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Site Reliability Engineer (SRE) Jobs in London
Overview
Looking for top Site Reliability Engineer (SRE) jobs in London? Discover the best SRE opportunities on Haystack, your go-to IT job board. Whether you’re an experienced Site Reliability Engineer or just starting out, explore a wide range of London-based roles that match your skills and career goals. Start your search today and take the next step in your SRE career with Haystack!
Day Shift Engineer
Integral UK Ltd
London
In office
Senior - Leader
£45,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

JLL empowers you to shape a brighter way.

Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether youve got deep experience in commercial real estate, skilled trades or technology, or youre looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.

JLL is seeking a skilled Day Shift Engineer to join our Workplace Management team, providing critical building operations and engineering support for a prestigious multi-media headquarters at our London Bankside location. This role is essential to maintaining optimal building performance and ensuring exceptional workplace experiences for our client’s employees and visitors.

Key Engineering Responsibilities

Technical Operations & Maintenance

  • Perform planned preventative maintenance (PPM) on mechanical and electrical equipment
  • Execute reactive maintenance and repair works on building services systems
  • Conduct technical investigations and fault-finding on complex building systems
  • Operate and maintain UPS systems, generators, and static switches
  • Service and repair water treatment, refrigeration, and air conditioning systems
  • Maintain and troubleshoot CHP (Combined Heat & Power) systems
  • Ensure all engineering works meet professional standards and scheduled timelines

Engineering Management & Quality Control

  • Produce and validate technical risk assessments and method statements
  • Inspect and verify quality of PPM activities and engineering workmanship
  • Generate technical quotations for additional engineering works
  • Provide technical support and guidance to engineering teams and clients
  • Investigate and operate Computer Aided Facilities Management (CAFM) systems
  • Produce technical and situational reports as required

System Compliance & Safety

  • Ensure all engineering activities comply with relevant Health, Safety, and Environmental legislation
  • Complete monthly HSE audits according to company guidelines and schedules
  • Manage safe handling, storage, and use of engineering materials and equipment
  • Conduct accident investigations and engineering-related incident reporting

Engineering Team Leadership

  • Lead and direct team of engineering technicians and operatives
  • Conduct technical competency assessments and personal development reviews
  • Recruit and induct engineering personnel according to company directives
  • Provide technical training and skills development for engineering staff
  • Manage engineering workforce performance and motivation

Subcontractor & Engineering Coordination

  • Manage engineering subcontractor activities and contractual obligations
  • Coordinate complex multi-trade engineering projects
  • Identify potential engineering cost savings and efficiency improvements
  • Oversee engineering call-out rota coverage on rotating basis
  • Attend technical meetings with clients and engineering contractors

Essential Engineering Qualifications & Experience

Core Technical Requirements

  • 10+ years Building Services engineering experience
  • City & Guilds Parts 1 & 2in electrical/mechanical disciplines or equivalent 17th or 18th Edition IEE: Wiring and Installationcertification
  • IOSH Accreditedsafety qualification
  • Technical competencyacross all building services systems:
  • UPS and generator systems
  • Static switches and power distribution
  • Water treatment systems
  • Refrigeration and air conditioning
  • CHP systems and energy management

Engineering Skills & Capabilities

  • Strong technical problem-solving and fault-finding abilities
  • Advanced knowledge of CAFM systems operation and investigation
  • Enhanced IT skills for engineering documentation and reporting
  • Ability to read and interpret technical drawings and specifications
  • Experience with engineering project management and coordination
  • Competency in producing technical risk assessments and method statements

Leadership & Communication

  • Proven ability to lead and motivate engineering teams
  • Strong communication skills across all organizational levels
  • Experience managing difficult technical situations and client relationships
  • Pro-active approach to achieving highest engineering standards

Desirable Engineering Qualifications

  • 2391 Test & Inspectioncertification
  • IPAF(International Powered Access Federation) certification
  • PASMA(Prefabricated Access Suppliers’ and Manufacturers’ Association) training
  • Customer service training for technical client interactions
  • Security vetting for financial environment engineering work

About JLL Engineering Excellence

Join JLL’s engineering team where technical expertise meets innovative workplace solutions. You’ll work with advanced building systems and technologies while developing your engineering career within our global network of technical professionals.

Security Operations & Engineering Manager - Threat Defence
Morson Edge
London
Hybrid
Senior - Leader
£85,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Security Operations & Engineering Manager – Threat Defence
2 days/week onsite
SC Clearance required (current or eligible)

We are seeking an experienced Security Operations and Engineering Manager to lead cyber defence and operations for a globally critical organisation.

This role reports to the Head of Threat Defence and Cyber Security Operations and combines technical leadership, team management, and strategic oversight of security operations, engineering, and threat defence capabilities. You will manage a high-performing team, drive continuous improvement, and support a combination of in-house and external security services.

What you’ll do:

  • Lead cyber security operations and engineering services, including SOC management, security tooling, and vulnerability management
  • Drive continuous improvement, tuning and optimisation of security systems
  • Support the delivery of projects with security assurance and alignment to best practice
  • Collaborate with threat intelligence, incident response teams, and internal stakeholders
  • Develop metrics, reporting, and dashboards to track operational effectiveness

What we’re looking for:

  • Proven experience leading cyber security operations, SOCs or threat defence teams
  • Strong knowledge of vulnerability management, security testing, and incident response
  • Experience managing technical teams and working with outsourced security providers
  • Ability to translate threat intelligence into actionable operational improvements
  • Familiarity with regulatory compliance, service management, and security frameworks
  • SC Clearance is essential

Why this role matters:

  • Strategic position within a global organisation operating critical infrastructure
  • Opportunity to shape security operations and engineering capabilities
Static Air Conditioning Engineer
CBW Staffing Solutions Ltd
London
In office
Mid
£50,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

FM Service Provider Commercial Estate Denmark Hill, South East London - Up to £50,000 per annum

CBW Staffing Solutions are currently recruiting for a Static Air Conditioning Maintenance Engineer to work on a large, well-established commercial estate in Denmark Hill, South East London.

Youll be part of a dedicated on-site engineering team of 8 engineers, working collaboratively to deliver a high standard of planned and reactive maintenance across the site. The team is experienced, supportive, and well-structured, ensuring you receive a thorough handover and ongoing support with the plant, systems, and site procedures. The campus benefits from excellent staff facilities, including multiple coffee outlets, on-site restaurants, dedicated break areas, and secure bike storage, creating a comfortable and well-equipped working environment. In return, the company offers a competitive salary of up to £50,000, regular overtime opportunities, 25 days holiday plus bank holidays, ongoing technical training, and clear long-term career progression within a leading FM service provider.

Key Duties & Responsibilities:

  • Carry out planned and reactive maintenance on a wide range of air conditioning systems, including VRV/VRF, split systems, AHUs, and FCUs
  • Diagnose faults and carry out repairs to ensure systems operate efficiently and reliably
  • Perform routine inspections, filter changes, coil cleaning, and system testing
  • Ensure all works comply with F-Gas regulations and industry standards
  • Respond promptly and professionally to breakdowns to minimise downtime
  • Accurately complete maintenance records, job sheets, and reports
  • Work closely with the wider engineering team to ensure smooth site operations
  • Identify system improvements and recommend upgrades where appropriate

Package:

  • Salary: Up to £50,000 per annum
  • Hours: Monday to Friday, 8am5pm (40 hours)
  • Holiday: 25 days plus bank holidays
  • Overtime: Available
  • Progression: Ongoing training and clear career development

Requirements:

  • NVQ Level 2/3 in Refrigeration & Air Conditioning, City & Guilds 2079, or equivalent
  • Current F-Gas Category 1 certification (Essential).
  • Proven experience within an HVAC / Building Services environment
  • Stable employment history within HVAC, FM, or Building Services
  • Strong technical knowledge of a broad range of air conditioning systems
  • Ability to work independently while also being an effective team player
  • Good organisational skills with the ability to manage workload and paperwork
  • Professional, client-focused approach with strong communication skills
  • Positive, proactive attitude with flexibility in approach to problem-solving

Please send your CV to Charlie Long of CBW staffing solutions to ensure you do not miss this great opportunity.

Security Analyst
Lynx Recruitment Ltd
London
Remote or hybrid
Mid
£75,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Lynx Recruitment are seeking an experienced Security Analyst with strong hands-on expertise in SSE platforms, Web DLP, and CASB. This role focuses on control hardening, security engineering, and continuous improvement of cloud-delivered security services protecting data, identities, and cloud applications.

Key Responsibilities

  • Design and enhance controls within SSE platforms (eg Zscaler or similar).
  • Develop and optimise Web DLP policies to reduce data exfiltration risk.
  • Strengthen CASB configurations including app governance and data protection.
  • Conduct control gap analyses and implement improvements.
  • Support threat analysis, alert tuning, and investigations with SOC teams.
  • Provide documentation and evidence for audit and compliance requirements.

Required Experience & Qualifications

  • Hands-on experience with SSE, CASB, and Web DLP solutions.
  • Strong understanding of cloud security and Zero Trust principles.
  • Experience assessing and improving control effectiveness.
  • Ability to collaborate across security, cloud, and network teams.
  • Hold an active SC Clearance?
  • IT or technology-related degree with a minimum 2:1 classification (or equivalent).

If you are a technically strong Security Analyst who enjoys engineering and optimising controls in cloud-first environments, we’d like to hear from you.

Foot Mobile Engineer
smart managed solutions
London
In office
Junior - Mid
Private salary
RECENTLY POSTED

Why work for Smart?

Benefits:Birthday off, 25 days holiday entitlement + Bank Holidays, Life Assurance, 3 days fully paid volunteering days

At Smart, we help the worlds leading companies maintain their facilities to the best possible standards through a customer centric experience. Over the past 10 years, we have worked in the worlds top data centres and commercial facilities providing quality engineering services.

We are proud to be an employer that values your growth and work-life balance. We offer comprehensive training opportunities and clear progression routes to help you build a rewarding career.We are one of the few facilities companies that understand people are at the core of every organisation and are the most important investment we will ever make. Even as technology advances and buildings change, it is our leadership and personal contributions of Smart individuals that ultimately set us apart from competitors.

Purpose

To carry out PPM, reactive and breakdown works to all Electrical/Mechanical systems within the allocated sites. Engineers must be able to demonstrate relevant knowledge of Air conditioning, UPS, Generators, LV systems, which will include the ability to fault find using the production of graphical information and the utilisation of current alarm data.

As a Foot Mobile Engineer at Smart Managed Solutions, you will operate and manage all engineering assets to support the business with no unplanned disruptions in the most cost-effective manner. Manage reactive works process to ensure requests are responded to and closed out in accordance with agreed procedures. To develop management tools to actively report on asset and building performance and make recommendations for improvement.

Working Pattern

Monday - Friday

08:00 - 17:00

Zones 1 & 2 Travel Card included

Key Tasks and Responsibilities

  • Ensure that routine PPM is carried out to all electrical and mechanical plant in accordance with Site task schedules and asset lists.
  • Ensure that reactive tasks throughout the building are completed and be proactive in highlighting areas where improvements can be made. These reactive calls to also include concessionary stores and fabric related items.
  • Ensure that plant faults and defects are swiftly remedied to maintain plant in serviceable order.
  • Ensure that suitable spares are available to carry out both maintenance and reactive works. To provide parts inventory and estimated timescales to carry out remedial works.
  • Ensure Computer Based Maintenance system, e.g. Concept, Smart Hub, is kept up to date and that PPM and reactive tickets are closed out with accurate data captured.
  • Ensure that all relevant paperwork is completed regarding reactive and breakdown works and that it is passed without delay to the contract administrator.
  • Ensure that Method Statements and Risk Assessments are prepared, and used for all tasks undertaken to ensure safe working practices at all times.
  • Ensure that all plant rooms under the responsibility of Smart are locked always and are kept in a clean and tidy condition.

Requirements

  • Qualified to NVQ Level 2/3 Electrical Installations or equivalent
  • 17th/ 18th Edition

Why work for us?

  • Career Progression
  • Workplace Pension
  • Mandatory Leave on your Birthday
  • Employee Assistance Programme
  • Volunteering Days

Our people are at the heart of everything we do so if you love a challenge and want to work for a company that genuinely values and invests in their people, apply now!

Mechanical Maintenance Engineer (Manufacturing)
Hudson Shribman
London
In office
Junior - Mid
£45,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Mechanical Maintenance Engineer (Manufacturing) Up to 45k + Bonus + Benefits
South East Perm Ref: ABJ6479

A well-established SME manufacturing organisation is seeking a mechanically biased Maintenance Engineer to support its production facility. The company operates large-scale manufacturing equipment supplying sectors such as defence and offshore energy.

This role would suit a hands-on engineer with strong mechanical maintenance, machining and workshop skills, who enjoys working in a practical production environment. Welding capability (MIG or ARC) would be advantageous but is not essential.

Reporting to the Engineering Manager, you will support both planned preventative and reactive maintenance programmes, helping maximise plant reliability and overall equipment effectiveness (OEE). With in-house design and manufacturing expertise, the company offers excellent long-term stability and career development opportunities.

Shift:7:00am 3:30pm (some overtime available)

Key Responsibilities

Provide first-line mechanical maintenance and repair support for production machinery.

Carry out planned preventative maintenance (PPM) and respond to breakdowns.

Support general site and building maintenance where required.

Undertake machining work including turning, milling and lathe operations (essential) where needed.

Assist with continuous improvement and equipment upgrade projects.

Work collaboratively with production teams to maintain equipment uptime.

Maintain accurate maintenance records and ensure compliance with safety procedures.

Proactively identify reliability improvements and preventative solutions

Qualifications & Experience

Completed engineering apprenticeship or equivalent industrial training.

Recognised engineering qualification (City & Guilds, BTEC or similar).

Mechanical maintenance experience within manufacturing or heavy industry essential.

Basic electrical knowledge beneficial but not essential.

Preferred Skills

Strong mechanical fitting and fault-finding capability.

Experience with hydraulics, pneumatics and rotating machinery.

Machining skills milling, turning and lathe work essential.

Welding capability (MIG or ARC) essential (certs desirable but not required)

General workshop and fabrication experience advantageous.

Package & Benefits: 25 days holiday + bank holidays, Private healthcare (BUPA), Pension scheme, Bonus scheme Uniform provided, Death in service (3x salary): 7:00am 3:30pm (up to 45k + some overtime)

Salary dep. on experience.

To Apply: Contact Alison Basson - 07814 547440 Ref: ABJ6479

Mobile Mechanical Electrical Engineer
Excel Engineering Recruitment ltd
London
In office
Mid
£50,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

JOB TITLE: Mobile Mechanical/Electrical Engineer / M&E Engineer

LOCATION: Southwest/west london surrounding areas

PACKAGE: £48k - £50k basic salary dependant on skills and experience

  • Includes company mobile phone, uniform, and specialist tools
  • Overtime rates at time and a half
  • Sick pay
  • Pension

JOB INFORMATION - Mobile Mechanical/electrical Engineer / M&E Engineer

  • The position is a mobile role where the successful candidate will be undertaking maintenance works such as mechanical & electrical ppm and reactive maintenance on HVAC plant, plantroom checks, pumps, vessels, valves, boosters, lighting, electrical remedials and ppms etc
  • Other building maintenance tasks such as fire alarm testing, emergency light testing and so on
  • This exciting opportunity has come available due to the win of a new contract including multiple new private apartment blocks

COMPANY INFORMATION - Mobile Mechanical/electrical Engineer / M&E Engineer

  • Reputable and well-established Building Services company specialising in technical building services including commercial gas and HVAC maintenance, electrical services and building compliance
  • The business has been established for over 30 years with excellent client retention, leading to long term job security
  • Our client has excellent staff retention and is looking for someone honest and reliable to join their close-knit team
  • This role has become available due to the recent win of multiple contracts in West/South west London

CANDIDATE INFORMATION - Mobile Mechanical/electrical Engineer / M&E Engineer

  • The ideal Mechanical/Electrical Engineer / M&E Engineer you will have experience of working on mechanical/electrical services and maintenance/facilities contracts previously with good knowledge and hands on experience with HVAC, mechanical and electrical service and maintenance
  • Experience and knowledge of PPM’s and site compliance will be essential along with the ability to change/diagnose valves/strainers/pumps/pressurisation units/pressure vessels etc
  • Our client is looking for someone who seeks a long-term opportunity,
  • Demonstrable experience of working in a similar role previously
  • We are looking for someone who is honest, professional and reliable with the ability to build good relationships with the customer on site
Senior Software Development Engineer
Permax Recruitment Limited
London
Hybrid
Senior
£100,000
RECENTLY POSTED
+4

Permax Recruitment is working in partnership with a London based firm who are on the lookout for a Software Engineer. For nearly a century, our client has been building a firm as accountants, auditors, tax specialists and close advisors to clients operating in emerging markets, disrupting the status quo.

This has accelerated thanks to the blockchain. In 2017, a client asked to help with an ICO and they have been crypto pilled ever since, developing into what is currently the leading professional services firm on chain.

In 2023, they opened a new leg of the business to carve out a team dedicated to all things Web3, which is now over 80 strong and servicing near 600 digital asset clients globally. They partner with some of the industry’s most influential playerscryptocurrency exchanges, blockchain innovators, Web3 pioneers, and digital asset fundsoffering tailored audit, tax, and advisory services that keep pace with this fast-evolving landscape.

Senior Software Engineer (Cloud Infrastructure & DevOps)

Location: London (Three days in office, two days wfh)

Salary: Approx £100,000 + Bonus

While our team builds data pipelines and reporting tools that enable accountancy teams to work efficiently, this role focuses primarily on managing our AWS infrastructure, supporting the team with robust DevOps practices, and mentoring other developers. You’ll be the technical expert who ensures our systems are scalable, secure, and well-architected as we transition to microservices and ephemeral infrastructure.

Key Responsibilities

Cloud Infrastructure & DevOps (Primary Focus)

Own and manage our AWS infrastructure, acting as the team’s cloud platform expert

Be one of the leaders in the migration toward microservices and ephemeral architecture

Lead in infrastructure as code

Establish and maintain CI/CD pipelines for the team’s data and application projects

Lead the implementation of monitoring, logging, and alerting systems to ensure reliability in our solutions

Manage cloud security, IAM policies, and compliance requirements

Provide infrastructure support and guidance to team members working on data pipelines and applications

Troubleshoot infrastructure and deployment issues

Team Leadership & Mentorship

Mentor other developers on DevOps practices, cloud architecture, and infrastructure concepts, jointly with other senior members

Support and encourage team members in deploying and managing their data pipelines and applications

Conduct code and infrastructure reviews

Develop and share best practices for cloud-native development

Foster a collaborative learning environment within the team

Contribute to technical documentation

Collaboration & Technical Enablement

Enable the team to build and deploy data pipelines efficiently by providing templates and guidance on infrastructure

Work with colleagues to understand their infrastructure needs and provide solutions

Translate infrastructure requirements into scalable, maintainable solutions

Communicate technical concepts clearly to both technical and non-technical stakeholders

Collaborate with accountancy teams to ensure data platform reliability and performance

Technical

5+ years of software engineering experience with a significant cloud infrastructure focus

Understanding of networking, security, and cloud best practices

Hands-on experience with AWS services

Proficiency with infrastructure as code tools

Experience designing and implementing CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, or similar)

Solid understanding of containerization and orchestration (Docker, Kubernetes, ECS)

Experience with monitoring and observability tools (CloudWatch, Datadog, Prometheus, or similar)

Proficiency in bash

Experience supporting development teams with infrastructure and deployment needs

Knowledge of microservices architecture and serverless patterns

Leadership

Experience working in teams outside the realm of Software Engineering

Demonstrated experience mentoring or managing junior Engineers

Strong communication skills with both technical and non-technical audiences

Ability to provide clear technical guidance and support

Pragmatic approach to balancing technical delivery with business needs

Desirable

Python experience for infrastructure automation and tooling

Familiarity with data pipeline infrastructure (supporting ETL workloads, data warehousing)

Experience with data governance and compliance requirements

Cloud cost and resource utilisation optimisation

Experience migrating from monolithic to microservice architectures

What We Offer

Opportunity to shape and own the technical infrastructure

Small, collaborative team environment where your expertise will have a direct impact

Opportunity to create and develop solutions that are new, be impactful

Dress for your diary.

Flexible working hours.

A technology enabled firm.

A Family environment, fantastic retention, hiring due to exceptional growth and internal promotions.

A Fixed profit-sharing bonus scheme payable to all staff.

Brand new central London office.

Plenty of socialising opportunities.

Free breakfast and fresh fruit provided daily.

Senior Site Reliability Engineer
Stratospherec Ltd
London
Fully remote
Senior
£80,000 - £100,000
+6

Senior DevOps Engineer / Senior Site Reliability Engineer

Fully Remote working for candidates based in the UK

Salary £80k to £100k (depending on experience) + Benefits

We are looking for a Senior DevOps Engineer that has strong C# code knowledge combined with strong knowledge of DevOps tools like Kubernetes (EKS or ideally AKS) and Azure or AWS Cloud platform. We are looking for a SRE or DevOps Engineer with a strong understanding of C# code combined with experience of monitoring tools like DataDog, Grafana and Prometheus to join a growing global Cloud Infrastructure team supporting SaaS products.

Our client are a Global Digital SaaS Software Company have a fantastic fully remote opportunity for an experienced Senior DevOps Engineer to join their UK Cloud Infrastructure team.

Site Reliability Engineers at this company are responsible for keeping the SaaS products running properly. Using concepts of software and systems engineering, they work to improve the reliability of all cloud systems while keeping levels of manual work low. DevOps are expected to be experienced in software engineering principals, operational discipline, and automation.

The Cloud and DevOps team work on a fully remote basis and work in conjunction with their US and Australian teams as well. This company are a market leader in Student community management software, this company’s unique SaaS platform is an essential platform in the life of millions of University students across the globe.

In this role, you will apply your Software Engineering experience to enhance system performance and reliability, as well as building internal systems and capabilities that eliminate manual work through automation. You’ll be joining our Platforms teams with globally-dispersed Site Reliability and Platform Engineers in a “follow the sun” model to operate our products on a multi-region cloud platform.

Role Responsibilities:

* Provide technical leadership and mentoring within the team through knowledge sharing sessions, pair programming, code reviews and solution design

* Identify and implement technical solutions to improve platform reliability, including the creation of mitigation strategies and operational playbooks.

* Implement and maintain monitoring/alerting/logging systems to identify and respond to incidents

* Ensure scalability and efficiency of cloud infrastructure and systems to handle traffic and data growth

* Conduct performance tests to identify and remediate bottlenecks

* Develop and maintain platform solutions, automate infrastructure provisioning, configuration, and management tasks using Infrastructure as Code.

* Monitor, review and tune databases to ensure high availability and performance

* Collaborate with product engineering teams to design/build fit-for-purpose and observable software

Required Skills and Experience:

* Proven experience in a SR DevOps / Site Reliability Engineering role

* Having strong code experience of C# or similar OO development language.

* Experience of supporting .Net applications as a SRE or DevOps Engineer

* Production experience operating containerization technologies - ideally with Kubernetes and/or Docker. Strong preference for AKS or EKS experience as well.

* Proficiency with one or more public cloud providers such as Azure, AWS or GCP

* Proficiency using Infrastructure as Code (IaC) tools such as Terraform (preferred), Ansible, or CloudFormation.

* Experience with monitoring, observability and logging tools such as DataDog, Prometheus, Grafana, or similar.

* Proven track record of maintaining highly-available and performant production environments.

* Ability to identify and implement effective mitigation strategies and operational playbooks.

Useful / Bonus Skills to have:

* Experience in CI/CD tooling: Azure DevOps/GitHub Actions, Octopus Deploy

* Relevant certifications in cloud platforms (e.g., Microsoft Certified: Azure Solutions Architect) and DevOps practices (e.g., Certified Kubernetes Administrator) are a plus

* Experience in database management/performance tuning, particularly MSSQL.

Employee benefits:

* Opportunity to be a part of a 30+ year well-established, high-performance SaaS company.

* Excellent Company Pension scheme and Life Insurance,

* Excellent holiday allowance.

* A supportive team environment with emphasis on learning and development opportunities

* Working with a team of caring, high-performing, and passionate people who have fun supporting our vision, innovation, and continuous improvement.

This Senior Site Reliability Engineer role is working for a market leading global software company and this job is part of a large program of change and improvement in their Cloud SaaS products over the coming years. If you are looking for an interesting SRE role with a forward-thinking global organisation, then this would be a tremendous career opportunity to consider.

Please apply with your CV to find out more.

e apply with your CV to find out more

Senior Software Engineer
Hyre AI Limited
London
Hybrid
Senior
£65,000 - £75,000

Stealth AI Startup | London | Hybrid We’re hiring for a fast-growing AI startup building a cloud-native analytics platform that transforms large volumes of LLM output into structured, queryable intelligence for businesses and brands. The platform is fully AWS-native, heavily event-driven, and built for scale from day one. The team actively uses AI agents and automation across both engineering and product workflows, not as a gimmick, but as a core operating principle. We’re looking for a Senior Software Engineer to help shape, build, and run the core cloud and data foundation of the platform. What You’ll Be Doing * 4+ years of experience * You’ll take ownership of significant parts of the cloud and data layer, including: * Designing and operating AWS infrastructure (ECS Fargate, Lambda, Step Functions, EventBridge, S3, Athena, DynamoDB) * Building robust ETL / ELT pipelines that transform raw LLM outputs into structured, analytics-ready datasets * Designing event-driven workflows and distributed processing systems * Managing containerised services using Docker and ECS * Implementing CI/CD pipelines and infrastructure-as-code practices * Establishing monitoring, alerting, and reliability standards across production workloads * Optimising system performance, cost efficiency, and scalability * Embedding security, IAM design, and least-privilege principles from the ground up * Actively leveraging AI agents and automation tools to improve engineering workflows and system design * This is a hands-on role. You’ll be designing, building, debugging, and shipping. Not just overseeing. What We’re Looking For * Strong production experience with AWS (especially ECS, Lambda, Step Functions, S3, EventBridge) * Solid Docker and container-native deployment experience * Python for data processing, automation, or backend services * Experience building and maintaining data pipelines or data lake architectures * Infrastructure-as-code (Terraform, CDK, or CloudFormation) * CI/CD and production engineering mindset * Comfort owning distributed systems and running real workloads in production * Genuine curiosity about AI tools, LLM APIs, and automation-driven engineering Why Join * Real ownership of core cloud and data architecture * Work at the intersection of cloud infrastructure, data engineering, and applied AI * Modern AWS-native, event-driven system with meaningful scale * Small, senior team operating in a high-trust, low-bureaucracy environment * Direct impact on a fast-growing AI product

2nd Line IT Support - on-site
Reed Technology
London
In office
Junior - Mid
£27,000 - £34,000

2nd Line Technical Support Engineer (Onsite)

  • Location: Euston, London
  • Job Type: Full-time
  • Salary Range: 27,000 - 34,000

We are currently recruiting for a 2nd Line Technical Support Engineer to join our client’s dynamic IT team. This role is pivotal in providing intermediate troubleshooting, rapid response, and superior customer interaction, focusing on escalated issue resolution, endpoint management, and robust collaboration.

Day-to-day of the role:

  • User Support & Troubleshooting: Efficiently resolve escalated tickets from 1st line support, diagnose and resolve issues related to Windows OS, Office 365, and endpoint connectivity.
  • Endpoint Management: Deploy and configure devices using Intune or Images, package new approved applications for deployment, and provide manual installation when necessary.
  • Documentation & Knowledge Sharing: Maintain internal knowledge base articles, document troubleshooting steps and resolutions, and share insights during team meetings.
  • Video Conferencing Support: Assist the Events team with VC issues, perform checks on networking, licensing, and account sign-ins, and escalate to 3rd party support when necessary.
  • 3rd Party Support: Provide support for 3rd party engineers attending site to perform services.
  • Tape Changes: Perform tape changes or insertions as required for backup & recovery tasks.

Required Skills & Qualifications:

  • Knowledge: Proficient in Windows OS and Office 365 troubleshooting, network troubleshooting, and using endpoint management tools like Intune.
  • Skills: Strong in root cause analysis, documentation, knowledge sharing, and cross-team collaboration.
  • Abilities: Proactive issue identification, mentoring junior staff, strategic communication, and consistency in support delivery.
  • Experience: Prior experience in a similar technical support role is highly required

Benefits:

  • Working Hours: 35 hours per week, expected between (Apply online only) Mon - Fri.
  • Annual Leave: 25 days, increasing by 1 day each year up to a total of 30 days.
  • Bonus Scheme: Eligibility for company bonus scheme.
  • Professional Development: Opportunities for training and advancement in a supportive environment.

How to Apply:

To apply for this 2nd Line Technical Support Consultant position, please submit your CV and a cover letter detailing your relevant experience and why you are interested in this role. Ensure your application reflects your ability to meet the core values and brand behaviours outlined in the job description.

This role is crucial for ensuring the security and efficiency of IT operations.

2nd Line Support Engineer - London
Principal IT
London
Hybrid
Junior - Mid
£30,000 - £35,000

2nd Line Support Engineer - 6 month FTC - London

Principal IT are proud to be supporting a leading provider within the Travel Industry. In this role you will play a vital part in supporting their future strategy. They are looking for someone who is passionate about continuous professional development and has an innovative approach to incorporating technologies into their operations.

The team are looking for a highly motivated 2nd Line Support Engineer seeking to make an immediate impact to the organisation. As a member of the Technical Services team, the successful candidate will be innovative, collaborative and driven and ultimately responsible for providing 2nd line IT support to the business.

Key Responsibilities

  • Provide 2nd line support for desktops, laptops, mobile devices, printers, and peripherals
  • Troubleshoot and resolve escalated incidents and service requests within agreed SLAs
  • Support Microsoft 365, Active Directory, Azure AD, and Exchange environments
  • Manage user accounts, permissions, group policies, and access control
  • Assist with onboarding/offboarding of staff across multiple office locations
  • Monitor and maintain network connectivity across branch offices

Technical Skills & Experience

Core Infrastructure Support

  • Windows 10/11 & macOS support
  • Microsoft 365 (Exchange Online, SharePoint, Teams)
  • Active Directory & Group Policy
  • Azure AD / Entra ID
  • Endpoint management (Intune or similar)

Networking Fundamentals (Essential)

Strong understanding of core networking concepts including:

  • TCP/IP fundamentals
  • DNS
  • DHCP
  • LAN/WAN connectivity issues

A Full UK Driving License is required. The role is on site 4 days a week and 1 day working from home.

The Package:

If successful our client iareoffering a pro rata salary between 30,000/ 35,000. This is a 6 month fixed term contract.

UAT and Infrastructure Tester
CBSbutler Holdings Limited trading as CBSbutler
London
Hybrid
Graduate - Junior
£45,000 - £50,000

+Permanent opportunity

+Hybrid working on site in London 3 days a week

  • 45,000 - 50,000

Skills:

+Infrastructure Testing experience

+UAT

+AWS / Azure

+Manual and automated testing experience

We’re looking for a Junior UAT & Infrastructure Test Analyst to support testing across business applications and core infrastructure platforms. This is a hands-on role for someone early in their testing career who wants broad exposure, real responsibility, and a fast learning curve - not just clicking buttons and logging tickets.

You’ll work closely with senior testers, engineers, and business stakeholders, supporting UAT delivery while gaining strong exposure to infrastructure and technical testing.

Key Responsibilities

UAT & Business Testing

  • Support delivery of UAT cycles across multiple projects
  • Execute test cases and scripts based on defined requirements
  • Work with business users to coordinate and support UAT activities
  • Log, track, and retest defects through to resolution
  • Help produce UAT documentation and reporting

Infrastructure & Technical Testing

  • Support testing of infrastructure changes such as:
  • Cloud migrations
  • Network and platform upgrades
  • OS updates and patches
  • Assist with:
  • Smoke testing
  • Regression testing
  • DR and failover test activities
  • Validate system stability before production release

Test Delivery & Quality

  • Maintain test cases, test data, and documentation
  • Contribute to continuous improvement of test processes
  • Support automation and tooling initiatives where relevant

Required Experience

  • 1-3 years experience in software testing or UAT
  • Basic understanding of:
  • IT infrastructure
  • Cloud platforms (AWS / Azure / GCP - exposure is fine)
  • Networks, servers, or application platforms
  • Experience using defect and test management tools (e.g. Jira, Xray, Zephyr, TestRail)
  • Strong attention to detail and a structured mindset
  • Clear communication skills and confidence working with stakeholders

Nice to Have (But Not Essential)

  • Exposure to infrastructure or technical testing
  • Basic automation knowledge
  • SQL or API testing exposure

What’s On Offer

  • Broad exposure across business + technical testing
  • Fast development path into Senior Test Analyst / Test Lead
  • Hybrid working - real flexibility, not “remote but actually office”
  • Strong training, mentoring, and career progression

If you’re an inquisitive, technically-minded tester who thrives in diverse environments and enjoys getting into the details that make systems stable and scalable - we’d love to hear from you.

If you’d like to discuss this role in more detail, please send your updated CV to (url removed) and I will get in touch.

SOC Engineer
Experis
London
Hybrid
Junior - Mid
£400/day - £500/day
TECH-AGNOSTIC ROLE

Job Title: SOC Engineer
Location: London - hybrid 3 days on-site 2 days remote
Start Date: Immediate
Contract length: 31/03/26 further extensions expected
Clearance Required: BPSS (must be obtained prior to onboarding)
Day rate: 400 - 500

Candidates must hold or be eligible for SC clearance

Our client is seeking a SOC Analyst to join a security operations team in London. The role is focused on real-time monitoring, investigation, and incident response across a modern enterprise security environment.

Key Responsibilities

  • Monitor, triage, and respond to security alerts across multiple platforms, including Microsoft and endpoint security tools.
  • Conduct in-depth investigations of security events, escalating and containing incidents as required.
  • Optimise and tune detection rules, policies, and alerting mechanisms to improve SOC efficiency.
  • Collaborate with internal teams to support security operations, threat analysis, and incident recovery.
  • Produce clear incident documentation, reports, and recommendations for continuous improvement.
  • Contribute to maintaining and enhancing SOC processes, runbooks, and operational workflows.

Required Technical Expertise

  • Sentinel, MDE, and MDI deployments
  • Proven experience in a hands-on SOC Analyst role within an enterprise environment
  • Strong understanding of security operations, threat detection, and incident response workflows
  • Excellent communication skills and the ability to work effectively within a collaborative SOC team

Desirable Skills

  • Experience with incident documentation and reporting
  • Familiarity with security frameworks (MITRE ATT&CK, NIST, ISO 27001)
  • Ability to adapt quickly to new tools, threats, and operational priorities
  • Any relevant certifications (e.g., Security+, CySA+, Microsoft SC-series, GIAC)
IT Support Engineer - First Line
Tec Partners
London
In office
Graduate - Junior
£27,000 - £31,000
TECH-AGNOSTIC ROLE

Position: IT Support Engineer - 1st Line

Location: Onsite, Acton

Type: Permanent

Salary: 27-31K

We’re looking for a hands-on (1st Line) IT Support Engineer to join a fast-paced, customer-focused team supporting warehouse operations. You’ll provide first-line IT support, maintain systems uptime, and ensure colleagues have the tools they need to work effectively.

What you’ll do:

  • Deliver responsive onsite IT support for hardware, software, and bespoke systems.
  • Set up and maintain desktops, laptops, peripherals, and cabling.
  • Log, manage, and escalate service desk tickets while keeping users informed.
  • Support IT projects, system rollouts, and process improvements.

Who you are:

  • Reliable, organised, and solutions-focused, with strong communication skills.
  • Curious and eager to grow your technical skills in a hands-on environment.
  • Comfortable working onsite in a collaborative, fast-paced setting.

Why join:

  • Gain exposure to a variety of IT systems and projects.
  • Work with a supportive team in a dynamic operational environment.
  • Opportunity to develop technical expertise and make a real impact.
SecOps Engineer (SC + NPPV3 Cleared)
Syntax Consultancy
London
Hybrid
Mid - Senior
£500/day

SecOps Engineer

Croydon (Hybrid)

6 Month Contract

£500/day (Outside IR35)

SecOps Engineer needed with both active SC Clearance and NPPV3 Security Clearance. 6 Month Contract based in Croydon (Hybrid).

Paying up to £500/day (Outside IR35). Start ASAP in Feb/March 2026.

Hybrid Working - 3 days/week remote (WFH), and 2 days/week working on-site in the Croydon office, plus occasional travel to the Birmingham office.

A chance to work with a leading global IT transformation business specialising in delivering large-scale Government/Public Sector projects.

Key experience + tasks will include:

  • SecOps Engineer needed to perform a key role in supporting technically complex + secure Government Cloud services programmes.
  • SecOps Engineer with in-depth experience of Security Operations, Security Consultant, or Information Security related roles.
  • Experience of supporting secure government Cloud migration/transformation programmes.
  • Ensuring security procedures, controls + operational practices are compliant with Government Security Classifications framework and security policies.
  • Maintaining Security Operating Procedures (SysOps), and Information Security management policies.
  • Continuous improvement of security processes, supporting secure delivery across Cloud services + maintaining a strong security culture.
  • Investigating security incidents and breaches, performing vulnerability scans for releases, vulnerability risk assessments + remediation planning.
  • Conducting threat modelling to identify risks and inform secure design decisions.
  • Providing assurance over patching operations, release notes + change management activities.
  • Assessing external threat intelligence feeds + providing recommendations to mitigate risks.
  • Conducting security incident investigations, accurate reporting + taking follow-up actions.
  • Creating ITHC (IT Health Check) Remediation Action Plans, tracking progress, ITHC change management + delivery Kanban board tickets.
  • Supporting certificate management ceremonies + cryptographic control processes.
  • Managing digital access requests + supporting Joiner/Mover/Leaver processes to maintain secure access controls.
  • Security Certifications (CISSP, CISM, CCSP, ISO 27001 Lead Auditor/Implementer), or similar.
  • Experience of Critical National Infrastructure (CNI) and Government/GOV.UK programmes preferred.
IT Support Engineer (Global Law Firm)
Ernest Gordon Recruitment Limited
London
Hybrid
Junior - Mid
£30,000 - £35,000

30,000 - 35,000 + Company Benefits + Training + Progression + Hybrid + Company Bonus

Central London, Hybrid

Are you an IT Support Engineer looking to join a global company that offers training and progression opportunities, along with hybrid working after probation to support a better work-life balance?

This leading international law firm, with more than 900 lawyers across nine offices in four Continents, advises global corporations, financial institutions, private equity sponsors, investment funds and governments on complex corporate transactions, high-stakes litigation and regulatory matters. Renowned for its strength in private equity, asset management, financial services, healthcare, energy, infrastructure and technology, the firm delivers strategic, commercially focused legal solutions built on decades of cross-border expertise and a reputation for excellence, discretion and client partnership worldwide.

In this role, you will provide 1st and 2nd line IT support to the London office, resolving issues efficiently and professionally. You will manage support tickets, deliver remote mobile device support, administer RSA access, and maintain laptops and core systems within a Windows and Microsoft 365 environment. You will act as a key point of contact for technology support, assisting with meeting room setup, hardware deployment and office moves to ensure the smooth running of IT services.

This role would suit an IT Support engineer looking to work for a large corporate company with excellent company benefits.

The Role:

  • Provide 1st/2nd line IT support
  • Log and manage helpdesk tickets
  • Deliver remote support for iPhones and iPads
  • Administer RSA and remote access
  • Deploy and reimage hardware

The Person:

  • Previous IT support experience
  • Able to commute to Central London 4 days per week

Reference: BBBH23928

If you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV.

We are an equal opportunities employer and welcome applications from all suitable candidates. The salary advertised is a guideline for this position. The offered renumeration will be dependent on the extent of your experience, qualifications, and skill set.

Ernest Gordon Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job, you accept the T&C’s, Privacy Policy and Disclaimers which can be found at our website.

Penetration Tester CHECK Team Member
Big Red Recruitment Midlands Limited
London
Hybrid
Junior - Mid
£50,000 - £60,000

If you enjoy understanding how systems fail and using that knowledge to make organisations more secure, this role will interest you.

Our client is an established cyber security consultancy, trusted to deliver high-quality offensive security testing to a wide range of organisations. They are expanding their Offensive Security Testing team and are looking for a CTM-qualified Penetration Tester who wants to work on meaningful, real-world engagements.

Role: Penetration Tester (CTM Required) Offensive Security
Salary: Up to £60,000
Location: London Hybrid

What you ll be doing

  • Delivering penetration tests and vulnerability assessments across networks, infrastructure, and applications
  • Supporting and leading testing engagements alongside experienced senior testers
  • Producing clear, well-structured reports with practical remediation advice
  • Using and developing skills with tools such as Metasploit and Burp Suite
  • Keeping up to date with emerging tools, techniques, and attack methods
  • Collaborating with consultancy and SOC teams, with opportunities to progress into threat hunting

What you must have

  • CHECK Team Member (CTM) status is essential
  • At least 6 months of hands-on penetration testing experience
  • Strong written and verbal communication skills
  • Experience working with networks and Windows, Linux, and macOS environments
  • Eligibility for UK Security Clearance
  • A proactive mindset and strong team ethic

Desirable experience

  • Web and mobile application testing
  • Cloud technologies including M365, Azure, and Sentinel
  • IoT and SCADA environments
  • SOC or security operations exposure
  • OSCP, CRT, Cyber Scheme, or Cyber Essentials Plus Lead Assessor

The role

  • Occasional out-of-hours work based on client requirements
  • Periodic travel to client sites and support for SOC activities

If you are CTM-qualified and want to develop your career within a cyber security consultancy that values high-quality offensive security, this role offers genuine challenge and progression.

On-site Audio-Visual Engineer
Unified Support
London
In office
Mid - Senior
£45,000 - £48,000
TECH-AGNOSTIC ROLE

Behaving as an ambassador for the AV Department at all times, including the technical setup, operation, and repair of equipment used to enhance collaborative meetings and live events.

Knowledge & Key Skills - Onsite Work: 90%

The on-site AV Engineer will prepare meeting rooms for presentations, Video and Audio conferencing, and collaboration

Supporting a wide variety of AV software and hardware

Comprehensive ability to troubleshoot a wide range of technology incidents and problems

Using Service Desk software to effectively manage all support and service requests

Taking complete ownership of and resolving all notified support and service issues, promptly, courteously, and professionally to agreed service levels (SLAs)

Keeping end-users fully informed during and at resolution, leaving them assured that they are receiving the best attention

Maintaining training and support function documentation

Effectively communicating with internal customers with respect to support issues

Maintaining an accurate inventory of all AV hardware, firmware, software, and configurations

Contributing to the specification and procurement of new hardware and software

Monitoring and optimising AV system performance

Assist in office relocations

Leaving the support function in such a state that it could easily be picked up by colleagues during an absence.

Admin 10%

Follow appropriate departmental and company procedures and policies (i.e., change control, problem and incident management)

Monitor performance through the scorecard

Monthly meetings with on-site primary contact

Reporting ticket management

Essential:

Previous AV support experience in a concierge service

Skilled AV Engineer possessing good interpersonal skills, and should be comfortable with Senior Management

Must be smart and confident in their appearance.

Should have proven abilities within the AV industry and/or corporate environment for over 5 years

Excellent communication and customer service skills

Enthusiastic and organised

Ability to work under pressure

Good knowledge OF Crestron, AMX, and RTI

Knowledge of Lutron lighting control, Polycom, and MS Teams

A firm understanding of networking protocols, RS232, and RS485

Good understanding of VOIP telephony and SIP

Good understanding of video collaboration and audio conferencing

Desirable:

Avixa CTS

Crestron P101

Extron School of AV

Cisco CCNA

Senior Data Centre Manager
Radius Consultancy
London
In office
Senior
£85,000 - £95,000
TECH-AGNOSTIC ROLE

Radius is seeking an experienced operational and strategic M&E Senior Data Centre Site Manager for their growing Data centre organisation based in London. Must have Critical M&E environment experience.

Reporting to the Senior Operations Director, you will be responsible for the day-day management, strategic direction and operations of multiple DC sites.

  • Working with 3rd party FM.
  • Experience of managing a team
  • Strategic thinking and mindset
  • Change Management
  • Incident and problem management,
  • Managing 3rd party suppliers to deliver against stringent SLA s.
  • Financial and Budget Management
  • Project Management.
  • P&L, OPEX, CAPEX
  • Procurement
  • Risk Management
  • Ensure all technical teams create and follow SOPs, MOPs and EOPs to the highest degree if accuracy
  • Responsible for critical infrastructure asset management and asset lifecycle
  • Audit aware and support frequent annual audit process, ISO 9001, 45001, 14001 etc.
  • Project Management.
  • Good understanding of Health and Safety, ISO standards, and compliance, BMS, PMS, fire systems.
Network SRE
SR2
London
In office
Senior
£500/day - £525/day

Senior Network SRE (Contract)

Location: On-site 5 days a week in London
Rate: 500 per day
Contract: Inside IR35

We’re looking for a Senior Network Site Reliability Engineer (SRE) to join a global network operations team supporting large-scale, business-critical infrastructure. This is a hands-on, high-impact contract role where you’ll play a key part in keeping complex network environments reliable, scalable, and performant.

You’ll take ownership of major incidents, troubleshoot deep technical issues, and drive automation and observability across a multi-vendor estate.

The role:

  • Lead incident management for critical network issues, owning resolution during outages and high-pressure situations
  • Troubleshoot complex network problems across routing, switching, firewalling, and wireless environments
  • Provide technical leadership, setting direction and mentoring other engineers
  • Operate in a 24/7 environment, participating in a shift-based support model
  • Work across a multi-vendor estate, including Arista, Cisco, Cumulus, Palo Alto, Check Point, F5, Netscaler, Aruba, Mist, A10, Spectrum Ethernet, and InfiniBand
  • Support network security and segmentation, including VPN solutions such as GlobalProtect and AnyConnect
  • Drive automation and observability, using modern monitoring, alerting, and configuration tools
  • Contribute to innovation projects, including wireless design and AI cluster deployments

Requirements:

  • 10+ years ofhands-on experience in network engineering and operations
  • Deep expertise in routing, switching, firewalling, and wireless
  • Strong understanding of overlay and underlay networking
  • Solid experience in Linux/Unix environments
  • Proven ability to work independently and take technical ownership

Technical stack & tooling:

Network & Architecture (one required):

  • EVPN & Segment Routing
  • or significant MPLS expertise

Tools & Platforms:

  • NetBox / Nautobot
  • Prometheus / VictoriaMetrics
  • Salt
  • Grafana, Splunk, syslog
  • ServiceNow, BigPanda, ITMP
  • Ansible

Nice to have

  • Experience with InfiniBand and AI cluster deployments
  • Wireless design experience (Cisco, Mist, Aruba)
  • Strong background in network asset management

Please apply with a copy of your CV and Emma from SR2 will contact potential candidates regarding next steps.

Frequently asked questions
A Site Reliability Engineer (SRE) is an IT professional who applies software engineering principles to system administration tasks. They focus on building scalable and highly reliable software systems to ensure optimal performance and uptime.
Key skills for SRE roles in London include proficiency in cloud platforms (AWS, GCP, Azure), strong knowledge of Linux systems, experience with automation and scripting (Python, Go, Bash), containerization tools like Docker and Kubernetes, monitoring and alerting systems, and strong problem-solving abilities.
You can find SRE job openings in London by using the search bar on our homepage. Simply enter 'Site Reliability Engineer' or 'SRE' along with 'London' in the location filter. You can also set up job alerts to receive notifications about new jobs matching your criteria.
Yes, many companies in London offer remote or hybrid working options for SRE roles. You can filter your job search on Haystack to show only remote or hybrid positions to find opportunities that suit your preferred working style.
Salaries for SRE positions in London typically range from £60,000 to £100,000+ per year, depending on experience, skills, and the specific employer. Senior and specialized roles may offer higher compensation including bonuses and equity.