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Windows Jobs in London
Overview
Looking for Windows jobs in London? Discover the latest IT opportunities focused on Windows roles right here. Whether you're a Windows System Administrator, Engineer, or Support Specialist, our London-based job listings connect you with top employers seeking your expertise. Start your search today and find your ideal Windows job in the heart of the UK’s tech hub.
HVAC Engineer - Technical Aftersales Support
ETS Technical Sales
London
Hybrid
Junior - Mid
£55,000
RECENTLY POSTED

HVAC Engineer - Aftersales Support (Commercial/Industrial Refrigeration & Air-Conditioning) - west London / Middlesex (with option of hybrid/homeworking up to 2 days per week)

(CANDIDATES FOR THIS ROLE MUST BE ELIGIBLE TO WORK IN THE UK / TRAVEL IN THE EU WITHOUT RESTRICTIONS, EITHER NOW OR IN THE FUTURE)

A new vacancy for a HVAC Engineer - Aftersales Support with UK division of leading global manufacturer of high-efficiency heating and cooling products. The company is looking for a motivated and ambitious individual to provide technical aftersales support to distributors, consultants and end users in the UK & across Europe. The job will cover various aftersales services for products for customers (providing both office and on-site technical support, carrying out product demos & training and delivering presentations). The HVAC Engineer - Aftersales Support will be required to continuously develop his/her knowledge in the technical specification of the company’s products. Responsibilities will include planning services for new products, instruction on servicing methods and promoting new air-conditioning and refrigeration products.

Key responsibilities will include:

  • Technical aftersales support to distributors, consultants and end users.
  • Respond to technical inquiries by e-mail or phone without any delays and attend site visits when required (around 5% travel).
  • Submit reports for technical supports for site visits.
  • Promote new refrigeration products.
  • Introduction of new products highlighting the features and the benefits.
  • Create presentations and enlighten the features and the benefits for customers / distributors.
  • Calculate the products’ performance and/or cost-saving benefits.
  • Prepare company technical support documents.
  • Propose ideas to improve technical documents for distributors.
  • Create new service tools Register subsidy schemes / certification programs.
  • Register new products with national subsidy schemes, quality certification schemes and other country requirements.
  • Arrange and support random tests as required.
  • Collect market information / surveys for new products, benchmark and analyse competitors’ new products.

Key candidate requirements:

  • A technical qualification in a relevant Engineering discipline (such as HVAC/R, Mechanical Engineering, etc).
  • At least 1yrs experience in aftersales support role working with HVAC/R products & systems.
  • Knowledge of refrigeration cycle; commercial refrigeration systems; VRF systems; Building Management Systems; EU regulations / directives related to air conditioning / refrigeration.
  • Eligible to work in the UK and travel in the EU without restrictions (either now or in the future).
  • Strong interpersonal and communications skills.
  • Strong problem-solving skills.
  • Understanding of customer requirements.
  • Presentation skills.
  • Knowledge of Microsoft applications (Windows, Word, Excel, PowerPoint)
Aftersales Support Engineer - Commercial Heating & Cooling
ETS Technical Sales
London
Hybrid
Junior - Mid
£55,000
RECENTLY POSTED

Technical Aftersales Support Engineer/EUROPE (Commercial Air-Conditioning, Heating & Refrigeration) - west London / Middlesex (with option of hybrid/homeworking up to 2 days per week)

(CANDIDATES FOR THIS ROLE MUST BE ELIGIBLE TO WORK IN THE UK / TRAVEL IN THE EU WITHOUT RESTRICTIONS, EITHER NOW OR IN THE FUTURE)

A new vacancy for a Techncial Aftersales Support Engineer with UK division of leading global manufacturer of high-efficiency heating and cooling products. The company is looking for a motivated and ambitious individual to provide technical aftersales support to distributors, consultants and end users in the UK & across Europe. The job will cover various aftersales services for products for customers (providing both office and on-site technical support, carrying out product demos & training and delivering presentations). The Technical Aftersales Support Engineer will be required to continuously develop his/her knowledge in the technical specification of the company’s products. Responsibilities will include planning services for new products, instruction on servicing methods and promoting new air-conditioning and refrigeration products.

Key responsibilities will include:

  • Technical aftersales support to distributors, consultants and end users.
  • Respond to technical inquiries by e-mail or phone without any delays and attend site visits when required (around 5% travel).
  • Submit reports for technical supports for site visits.
  • Promote new refrigeration products.
  • Introduction of new products highlighting the features and the benefits.
  • Create presentations and enlighten the features and the benefits for customers / distributors.
  • Calculate the products’ performance and/or cost-saving benefits.
  • Prepare company technical support documents.
  • Propose ideas to improve technical documents for distributors.
  • Create new service tools Register subsidy schemes / certification programs.
  • Register new products with national subsidy schemes, quality certification schemes and other country requirements.
  • Arrange and support random tests as required.
  • Collect market information / surveys for new products, benchmark and analyse competitors’ new products.

Key candidate requirements:

  • A technical qualification in a relevant Engineering discipline (such as HVAC/R, Mechanical Engineering, etc).
  • At least 2yrs experience in a technical support role working with HVAC/R products & systems.
  • Knowledge of refrigeration cycle; commercial refrigeration systems; VRF systems; Building Management Systems; EU regulations / directives related to air conditioning / refrigeration.
  • Eligible to work in the UK and travel in the EU without restrictions (either now or in the future).
  • Strong interpersonal and communications skills.
  • Strong problem-solving skills.
  • Understanding of customer requirements.
  • Presentation skills.
  • Knowledge of Microsoft applications (Windows, Word, Excel, PowerPoint)
Windows Site Reliability Engineer
Intec Select Ltd
London
Hybrid
Senior - Leader
£100,000 - £110,000
RECENTLY POSTED
+12

Windows Site Reliability Engineer | £110K | Hybrid | London

Overview:
A leading global investment bank is seeking a skilled Windows Site Reliability Engineer to join their London-based Technology team. This is a senior-level leadership role focused on driving platform reliability, automation strategy, and infrastructure modernisation across mission-critical banking systems. This is an excellent opportunity to join an investment banking powerhouse.

Role and Responsibilities:

Lead Platform Engineering and SRE strategy across the organisation
Build scalable, self-service, and resilient infrastructure platforms
Drive Infrastructure as Code and CI/CD adoption, automating manual tasks
Define SLOs and optimise system performance, latency, and scalability
Lead root cause analysis and remediate technical debt
Partner with development teams to improve testing, releases, and deployments
Shape cloud and hybrid migration strategies
Ensure regulatory, audit, and security compliance
Act as senior escalation point for high-severity incidents
Identify cost and efficiency improvements; deputise for senior leadershipSkills and Experience:

Deep expertise in Microsoft Windows Server internals
Advanced knowledge of Active Directory, DNS, DHCP, LDAP, and Kerberos
Extensive experience tuning low-latency, enterprise-scale systems
Strong background in SRE, DevOps, CI/CD, and Infrastructure as Code principles
Advanced scripting and development capability (PowerShell, Python, C#)
Clustering, high-availability, replication, and disaster recovery expertise
Experience with Git, Terraform, Ansible, Jenkins, and TeamCity
Strong understanding of security hardening (CIS) within regulated environments
Deep knowledge of performance monitoring, system internals, and optimisation techniques
Experience working within financial services or other regulated industriesDesirable:

Kubernetes and Docker orchestration
Major cloud platforms (Azure, AWS, GCP)
Nutanix HCI and VMware ESX
Enterprise databases (SQL Server, Oracle, Sybase ASE, MongoDB, Snowflake)
Enterprise monitoring tools (Splunk, Netcool)Package

Circa £110,000 + Excellent Package
London / Hybrid x3 days onsite
Flexible working consideredWindows Site Reliability Engineer | £110K | Hybrid | London

C# .NET Developer
Adecco
London
Hybrid
Mid - Senior
£600/day - £650/day

Contract
Daily Rate: 600 - 650 (inside IR35 via umbrella)
Contract Length: 6 months initially
Location: Hybrid Working - 2/3 days onsite per week

Our client, a leading organisation in the tech sector, is seeking a talented C# .NET Developer to join their dynamic team on a contract basis. If you are passionate about software development and are eager to tackle exciting challenges, we want to hear from you!

Key Responsibilities:

As a C# .NET Developer, you will:

Understand business requirements and design applications that meet those needs.
Engage in business data analysis to inform application design and development.
programme in Visual C#.NET while utilising both Oracle and SQL Server databases.
Conduct unit testing and ensure quality assurance (QA) for all developed applications.
Implement solutions in production and disaster recovery environments, providing support to users.
Prepare and maintain technical documentation related to your projects.

In addition to new application development, your role will also encompass supporting existing C# and .NET applications. You will work closely with the IT department to provide general IT support and maintain the environments where applications are hosted.

Additional Responsibilities:

Define database objects required for various systems and interact with SQL and Oracle Database Administrators in both London and New York.
Provide scripts for database inquiry languages (T-SQL for SQL Server and PL/SQL for Oracle) to enable data analysis based on business requirements.
Support the setup of system distribution methods for Citrix and application servers for both web and Windows applications.
Troubleshoot systems during failures and implement solutions, including code fixes and SQL scripting, while checking Windows Servers and databases.
Follow the Development Team’s Change Management Control procedures to secure proper approvals prior to production updates.
Update versions of MS .NET Framework and MS Visual .NET platform as needed to ensure existing systems run smoothly in the production environment.
Liaise with relevant support teams such as Technical Support, Network and Infrastructure, and Database Administrators when business users encounter system issues.
Assess the impact of data processing loads on SQL and Oracle databases and propose alternative solutions when necessary.
Actively assist in rolling out changes through coordination with the Release team and maintain a change history of applications.
Communicate effectively with primary support Helpdesk staff in both London and New York to provide necessary system support.
Be available for occasional out-of-office hours support during weekdays and weekends.

If you are a proactive C# .NET Developer looking for a challenging opportunity to showcase your skills, please apply now with your CV and a brief cover letter detailing your relevant experience.

Join us in shaping the future of technology!

Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

1st Line Service Desk Analyst
INTEC SELECT LIMITED
London
In office
Graduate - Junior
£180/day - £240/day

1st Line Service Desk Analyst - 3 Month Rolling Contract - £180 P/D - £240 P/D - Financial ServicesAs a 1st Line Service Desk Analyst, you will be the first point of contact for users seeking technical assistance. You’ll log, categorise, and manage incidents, providing resolutions where possible and escalating when necessary. This role involves both telephone and deskside support, with a strong focus on communication, accuracy, and customer satisfaction.Key Responsibilities

  • Log, classify, and process IT incidents and service requests accurately.
  • Provide first-line troubleshooting, investigation, and diagnosis.
  • Perform routine daily system checks (e.g., backups, server checks).
  • Escalate more complex issues to the appropriate teams while ensuring timely updates to users.
  • Work within defined Service Level Agreements (SLAs).
  • Maintain clear communication with users regarding incident progress and outcomes.
  • Support various IT projects and undertake additional tasks as required.

Essential Technical Skills

  • Experience with MS Windows Desktop & Server OS (Windows 10/11, Windows Server 2016+).
  • Strong knowledge of MS Office, Office 365, Outlook (2016+).
  • Active Directory user, group, and computer administration.
  • Ability to diagnose and resolve Citrix connectivity issues.

Desirable Technical Skills

  • Understanding of PC & server hardware troubleshooting.
  • Familiarity with Android/iOS mobile devices.
  • Experience with Microsoft Azure and Office 365 admin.
  • Troubleshooting video conferencing platforms, especially MS Teams.

Desirable Knowledge

  • Understanding of ITIL, particularly Service Operation.

1st Line Service Desk Analyst - 3 Month Rolling Contract - £180 P/D - £240 P/D - Financial Services

Cloud Infrastructure Engineer
VIQU IT
London
Hybrid
Mid - Senior
£600/day - £700/day
+4

Cloud Infrastructure Engineer 8 months SC Cleared Hybrid - London

My customer is looking for an SC Cleared Cloud Infrastructure Engineer with strong cloud and Infrastructure-as-Code expertise to support the delivery of a large-scale Infrastructure Transformation project.

This role requires a Security Cleared Cloud Infrastructure professional with solid, hands-on experience with DevOps, Terraform, and GitHub.

Responsibilities of the Cloud Infrastructure Engineer:

  • Lead the complete transition of applications into the Azure environment.
  • Create Automation by implementing CI/CD pipelines using GitHub.
  • Implement and manage Infrastructure as Code (IaC) working with tools such as Terraform.
  • Provide SRE-level support, troubleshooting, and incident resolution for complex cloud environments.
  • Coach less-experienced engineers and champion collaborative knowledge-sharing.
  • Installing and configuring Windows based systems.
  • Integrate PowerShell automation with database operations
  • Writing clear and concise documentation.

Essential Skills of the Cloud Infrastructure Engineer:

  • Must hold an Active SC Clearance.
  • Must have experience completing large scale transformation projects.
  • Must have extensive hands-on experience:
    • Azure DevOps
    • PowerShell
    • SQL
    • CI/CD pipelines
    • GitHub
    • Terraform (Infrastructure as Code)
  • Desirable hands-on experience:
    • Kubernetes
    • C# development
    • Packer
    • Helm
    • AKS
    • Flux

The successful Cloud Infrastructure Engineer must be available to work 2 days a week onsite in Central London.

Apply now to speak with VIQU IT in confidence. Or reach out to Matt Farrell via the VIQU IT website.

Do you know someone great? We ll thank you with up to £1,000 if your referral is successful (terms apply).

For more exciting roles and opportunities like this, please follow us on IT Recruitment.

2nd/3rd Line EUC Engineer
Tria
London
Hybrid
Mid - Senior
£40,000 - £45,000

2nd /3rd Line EUC Engineer
40,000 - 45,000 depending on experience
Central London
Hybrid working (1 day a week wfh)

About the Role

This is a really exciting role for an ambitious 2nd / 3rd line engineer who wants to join an innovative Managed Service Provider and be at the forefront of providing excellent IT support and consultancy.

You’ll support a diverse client base across the non-profit, finance, media and technology sectors. You’ll play a key part within the Technical Operations team, taking ownership of complex 2nd and 3rd line issues across Apple and Windows estates.

You’ll work with enterprise-grade tooling - including Jamf Pro, Microsoft Intune, Entra ID and Microsoft 365 - while contributing to automation, documentation and build processes. This role offers variety, autonomy and exposure to multiple client environments, giving you the chance to broaden your technical depth while progressing towards senior engineering paths.

With dedicated opportunities for funded training and certifications, you’ll be joining a supportive team that invests heavily in professional development and clear career progression.

We are looking for

A proactive 2nd or 3rd line EUC engineer who loves learning new tech and solving problems. A natural team player who thrives in a client facing environment.

You must have strong hands-on experience supporting both macOS and Windows environments in a 2nd/3rd line capacity

Skilled in supporting and administering Microsoft 365 (Exchange, Teams, SharePoint, OneDrive)
Experience administering device management platforms such as Jamf Pro or Microsoft Intune
Confident troubleshooting complex issues, working independently and across multiple client environments
Scripting in Bash or Python, with Powershell as an advantage

Tech Stack You’ll Work With

Apple & Windows devices, Jamf Pro, Jamf Connect, Jamf Protec
Microsoft Intune, Microsoft 365 (Exchange, Teams, SharePoint, OneDrive)
Entra ID (Azure AD), PowerShell, Bash, Python
Apple Business Manager, Windows Autopilot, Networking fundamentals (DNS, DHCP, Wi-Fi, VPN)

Key Benefits

33 days holiday including bank holidays
Funded training, certifications & professional development
Pension scheme
Hybrid working with flexibility
Diverse project exposure across multi-sector clients, including non-profit, finance, media and technology

If this is you, apply immediately - we look forward to speaking with you

Cutover Manager
Morgan Law
London
Hybrid
Senior - Leader
£80,000 - £90,000

A Charity in London have launched a programme of work to adopt simple, standard and modern processes in the everyday operations, underpinned by an Oracle cloud-based Enterprise Resource Planning software-as-a-service (SaaS) solution.

They are now seeking a Cutover Manager who will lead all planning, coordination and execution of activities required to transition them from legacy Finance, HR, Payroll, Procurement and Research Management systems into Oracle Fusion, ensuring a smooth, controlled and well-governed go-live.

This role overseas all cutover workstreams; technical, data, business readiness, environment, testing, exit criteria, communication and hypercare planning, to ensure the organisation is fully prepared for Day 1 operations.

The role can be offered on either a Fixed Term contract ( 80-90k per annum) or a daily rate or arpund 600pd (inside IR35).

Key Responsibilities

  • Develop and maintain the detailed cutover plan aligned to the overall plan-on-a-page and deployment timeline.
  • Define cutover scope, review existing entry criteria and exit criteria, establish success measures and checkpoints.
  • Coordinate across all workstreams (HR, Finance, Research) to identify all cutover tasks and dependencies.
  • Liaise directly with the Enterprise Applications team to ensure the Digital Services BAU function is engaged at the right checkpoints; plan and manage the progressive wind-down of non-essential BAU activity during cutover, and coordinate a controlled handover into hyper-care and steady-state support.
  • Lead cutover governance meetings including readiness checkpoints, go/nogo meetings and daily stand ups. go meetings and daily
  • Own and manage the end-to-end cutover strategy for Oracle Fusion Cloud implementations (FINANCE, HCM, and SCM) including Research Management and EPM.
  • Oversee issue management and escalation during data load/dry-run cycles.

Skills and Experience

  • Knowledge and experience of managing cutover for major ERP transformation projects. (Preferably Oracle)
  • Strong understanding of ERP platforms, plus infrastructure and data migration.
  • Evidenced experience of performing this role in multiple Oracle programmes
  • Strong understanding of data migration cycles, environment management, testing phases and business readiness, as evidenced across programme documentation.
  • Excellent planning, organisation and dependency-mapping skills across multi-workstream programmes.
  • Ability to run multiple workstreams manage high-pressure go-live windows.
  • Confident communicator with strong leadership presence, able to operate at senior stakeholder level.
  • Experience within public sector, research, or higher-education environments.
  • 7+ years of experience in Oracle implementations, with strong focus on cutover and deployment management.
  • Hands-on experience with Oracle Fusion Cloud Applications (ERP, HCM, SCM)
IT Project Manager
Connect2Employment
Watford
Hybrid
Mid - Senior
£61,000

An exciting opportunity has arisen for an experienced IT professional to join our IT & Systems Department.

We are looking for a confident IT Project Manager to work with our DevOps team and newly formed Project Management Office to support the development, direction, and delivery of IT services covering college infrastructure, including on-premise, SaaS and cloud services across storage, network, firewalls, and management systems.

What you will be doing on a daily basis, working with stakeholders, executive c-suite and IT teams to deliver critical modern systems for the business. Provide IT Project management support for all Company Core strategic projects. Technical knowledge required: Cisco networking, Firewalls, Windows Server, SQL, Database Concepts, AD, Virtualisation, Microsoft 365 / Azure, IP telephony, Power Shell, SCCM and Intune.

The ideal candidate will hold Azure accreditation (AZ-900 or equivalent), Prince2 and ITIL certificated. Have a minimum of 5 years experience working in an enterprise environment as an IT Project Manager.

MAIN PURPOSE OF JOB

To support the delivery of critical large IT projects as part of the colleges project management office. You will be responsible for leading large projects to ensure the delivery of the business transformation strategy to modernise IT.

DUTIES AND RESPONSIBILITIES

Define the scope, goals, deliverables and project plan with schedules for multiple projects.

Estimate costs, manage budgets and correctly allocate resources.

Proactively identify risks, solve technical or personnel issues, and implement contingency plans to ensure projects are successful.

Act as the main point of contact, providing regular status updates, and aligning project goals with business objectives.

Motivate, coach, directing and guiding cross-functional teams to deliver project deliverables.

Utilize project management tooling to monitor progress and maintain comprehensive project documentation.

Support service transition from project to production ensuring a support model with monitoring is in place for go live.

Ensure projects are delivered to a high-standard meeting requirements, control processes and regular quality assessments.

Manage and plan release schedules for deliverables as part of change control.

Ensure to review any relevant legislation that could impact the project.

Challenge the accepted way of working within WHC Group and encourage colleagues to think differently and innovatively.

This is a full time, permanent position, based primarily at our Watford site with travel between our other sites as required (hybrid working pattern available).

The closing date for applications is Friday 20th March 2026.

You’ll have the full support of a dynamic team and opportunities to bring your ideas to the role. Training and development are at the heart of everything we do so you’ll be actively encouraged to upskill.

You can access a wide range of discounts and benefits including a cycle-to-work scheme, free on-site parking, generous pension, generous holiday scheme, time off at Christmas, early finishes on a Friday and the opportunity to work from home.

Connect2Employment is a trading style of Luton & Kent Commercial Services LLP - A joint venture between Luton Borough Council & Commercial Services Kent Ltd. Connect2Employment is an equal opportunities Employment Agency & Business. It positively encourages applications from all suitably qualified and eligible candidates.

3rd Line IT Support Engineer
ITSS Recruitment
London
Hybrid
Mid - Senior
£45,000 - £60,000

3rd Line IT Support Engineer - Up to 60K - Hybrid (3 days in office) - Farrindgon, London

An exciting new opportunity has become available for a 3rd Line IT Support Engineer within a Microsoft Gold Partnered Managed Service Provider (MSP) in Farringdon. Hybrid working is available with 3 days in office.

We are looking for enthusiastic, passionate 3rd Line IT Support Engineer to join a forward thinking and growing MSP. There is ample opportunity for career progression with the company thriving and experiencing a 50% expansion over the last 18 months.

3rd Line IT Support Engineer experience:

Windows Server 2008/2012/2016
Microsoft Office 365 (Email, SharePoint, OneDrive, Compliance)
Azure Active Directory
Microsoft Intune and Auto Pilot
Microsoft SharePoint Online
Exchange2007/2010/2013/2016 Server
Active Directory, DNS, DHCP and Group Policies
Multi-Site VPN and connectivity solutions
Networking & Wi-Fi Infrastructure experience
Server Virtualisation experience
Security, 2FA & Firewalling
Backup/DR troubleshooting & management
Dell & HP hardware troubleshooting
Liaise with 3rd party suppliers ensuring faults are logged, managed and that SLAs are met
Experience working within a Managed Service Desk provider

We are not expecting the 3rd Line IT Support Engineer to have experience in all the technologies above, just a strong basis knowledge and passion to learn more!

They are a big believer in sharing thoughts and encouraging and supporting innovation and creativity. The environment is relaxed yet professional, gone are the days of a corporate rigid structure and you will be given flexibility.

You will be self motivated 3rd Line IT Support Engineer, a good communicator and have a natural desire to create an fluid environment. The successful 3rd Line IT Support Engineer should have strong problem solving abilities, organisational skills and the ability to work as part of a team.

Apply now for immediate consideration for this 3rd Line IT Support Engineer position or contact George Harvey at ITSS Recruitment for further details.

Out of Hours 2nd Line IT Support Engineer
Chalkline
London
In office
Mid - Senior
£35,000 - £45,000

Location: Borehamwood, WD6 1JD
Salary: £35K £45K per annum, DOE + Excellent Benefits!
Contract: Full time, Permanent
Hours: Shifts outside of our standard operating hours (8am-6pm). The Out of Hours shifts will be on a rota basis and will include weekends.
Benefits: 20 days holiday plus bank holidays, Bupa Cash plan with EAP support after 1 month service, 4% Pension contribution (matched by employee), Stock options after 1 years service, Private Health Insurance after 2 years service

At Chalkline, we re more than just a Microsoft Solutions Partner we re a people-first business!

We specialise in Modern Work and Azure Infrastructure, and hold an Advanced Specialisation in Azure Virtual Desktop, we re proud to deliver technical excellence and outstanding service to every client.

Our commitment doesn t stop at our customers. We re just as focused on our team!

If you re passionate about tech, eager to develop your skills, and thrive in a collaborative environment, Chalkline is the place to grow. We have extremely high standards in everything we do and place importance on continued technical development achieved through Microsoft accreditations.

We are now recruiting for driven and capable 2nd Line IT Support Engineer to join our close-knit team in Borehamwood.

You ll work directly with our clients across a range of cutting-edge Microsoft technologies and provide high-quality support that makes a real difference to their businesses.

You ll play a key role in solving technical challenges, mentoring 1st line engineers, and contributing to ongoing product development and innovation.

In addition to this, as our 2nd Line IT Support Engineer you will be responsible for:

  • Providing excellent 2nd line technical support to our clients
  • Acting as an escalation point for the 1st line support team
  • Troubleshooting issues across a wide range of systems and technologies
  • Working on projects involving Microsoft 365, Azure, Intune and more
  • Assisting with research and development of new services and solutions

Your Experience & Skills

We re looking for someone with at least 3 5 years of experience in an IT support or systems role and strong working knowledge of:

  • Microsoft 365
  • Microsoft Azure
  • Microsoft Entra
  • Intune
  • Windows Server (2016 / 2019 / 2022)
  • Active Directory
  • Windows networking
  • Basic routing, switching, and firewall rules
  • Printer support and troubleshooting

You ll also need:

  • Excellent written and verbal communication skills
  • A strong customer-focused attitude
  • A proactive, can-do approach to problem-solving

Why Join Chalkline

  • Work with the latest Microsoft technologies
  • Gain industry-recognised certifications
  • Be part of a friendly, supportive team that values quality and professionalism
  • Receive continuous learning and development opportunities
  • Make a real impact in a growing business

Plus free parking, training programmes and much more!

If you feel you have the skills and experience to be successful in this role then click on APPLY today!

No agencies please.

Technical Architect
CBSbutler Holdings Limited trading as CBSbutler
London
Hybrid
Senior - Leader
£650/day - £700/day
+2

+6 months +

+Hybrid in London

+eDV clearance

+Inside IR35

  • 650 - 700 a day

We are seeking an experienced eDV Cleared Technical Architect to design and assure secure, mission-critical infrastructure within a high-security government environment.

The Role

You will lead the production of High-Level and Low-Level Designs (HLDs/LLDs) for secure, multi-tenant platforms, ensuring alignment to Secure by Design principles and frameworks including the National Cyber Security Centre (NCSC) CAF and National Institute of Standards and Technology (NIST 800-53). You’ll present at TDA, act as the infrastructure SME, and ensure all solutions are hardened to CIS/STIG standards.

Key Experience

  • Modern data centre networking (Clos-fabric, BGP, ECMP, DCI, EVPN/VXLAN)
  • Palo Alto firewalls and secure cross-domain architectures
  • VMware private cloud, including VMware Cloud Foundation (VCF), VxRail/vSAN and NSX-T
  • Secure multi-tier environments (DMZs, segmentation, high-grade crypto)
  • Linux & Windows Server administration (AD, PKI, SQL)
  • Docker, CI/CD, Infrastructure as Code (Terraform/Ansible)

Desirable

Kubernetes, Vault, Splunk, Panorama, Avi, SRM, Dell Powerscale, NVIDIA GPU, VDI (Omnissa Horizon).

This is a high-impact role shaping secure cloud and infrastructure architecture at scale.

If you hold active eDV clearance and thrive in complex, secure environments, we’d like to hear from you.

IT Compliance Support Engineer - Hybrid - Banking
GCS
London
Hybrid
Junior - Mid
£400/day - £415/day

IT Compliance Support Engineer - Hybrid / Canary Wharf - 6 month Contract - Banking

Tier 1 Bank - Regulatory Reporting Team

Role - IT Compliance Support Engineer

Duration - 6 months with very likely extension

Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office

Rate - 415 per day (Inside IR35)

Role

  • IT Compliance Support Engineer to join a development team and act as the primary liaison with internal/external audit, compliance, and IT security counterparts. This role combines governance with technical capability-supporting audits, demonstrating IT controls, and troubleshooting or coordinating resolution of issues across Azure DevOps pipelines, ServiceNow change management, and Jira requirement workflows. You will help us evidence good practice, reduce audit friction, and improve developer productivity by ensuring our controls are both effective and practical.

Tasks

Audit & Compliance Liaison

  • Act as the single point of contact for internal/external audit, compliance, and IT security.
  • Handle audit requests, walkthroughs, and create timely evidence (C# source code, SQL scripts, server config, Azure DevOps logs, ServiceNow change records, Jira artefacts).
  • Maintain an audit-ready repository of artefacts and narratives (control matrices, process maps, and access log review).

Interpret Technical Details for Auditors

  • Ability to understand C# code and SQL scripts to verify logic and queries.
  • Interpret permissions (Windows, Azure AD, Azure DevOps) and explain them clearly to auditors.
  • Translate technical details into auditor-friendly narratives.

IT Controls & Governance

  • Operate and improve general IT controls (GITC) across change management, access control, backups/recovery, incident/problem management.
  • Ensure segregation of duties, peer reviews, approvals, and traceability for production changes.
  • Embed controls within Azure DevOps pipelines (e.g., gated approvals, policy enforcement).

Evidence & Documentation

  • Create and maintain clear documentation: SOPs, control narratives, diagrams, audit evidence packs.

Support Risk Assessments

  • Assist or act on behalf of the Application Service Owner in completing required risk and compliance assessments (e.g., security, operational resilience, regulatory checks) as per internal governance standards and workflows.
  • Ensure timely submission of assessment artefacts and coordinate with relevant stakeholders for approvals and remediation actions.

Coordinate Audit/Assessment/Security Defect Remediation

  • Track and manage remediation of audit findings, control gaps, and assessment defects.
  • Work with developers, platform teams, and risk owners to ensure timely closure and evidence of remediation.
  • Provide regular status updates to stakeholders and maintain defect logs for audit readiness.

GCS is acting as an Employment Business in relation to this vacancy.

Helpdesk Engineer
Integral Recruitment Ltd
London
In office
Graduate - Junior
£25,000 - £30,000

Location: London, NW1
£25,000 - £30,000 plus payment and support for Microsoft certifications

My client is a well-established and highly regarded Managed Service Provider (MSP) based in Camden, North London. They re known for delivering outstanding service and building long-term relationships with a loyal and varied client base.

They are now looking for a customer-focussed, confident and personable Helpdesk Engineer to join their team on a permanent basis. This role is ideal for someone who has recently completed an IT apprenticeship or has 1 2 years experience in a helpdesk or IT support role within a similar organisation (MSP / IT Managed Services Provider) and is keen to develop their career within a supportive organisation.

This is a client-facing position, where you ll act as the first point of contact for clients. While technical knowledge is important, your communication skills, professionalism and ability to build rapport will be absolutely key to your success.

The Helpdesk Engineer Role:

As part of a small, close-knit service desk team, you will:

  • Be the first point of contact for all incoming client support requests via phone, email, video call and remote tools
  • Provide a warm, professional and confident experience for clients, ensuring they feel supported and informed
  • Log, triage and progress support tickets, resolving issues where possible or escalating appropriately
  • Build strong, positive client relationships through excellent service, enthusiasm and a genuine desire to help
  • Carry out 1st line troubleshooting of hardware, software and user issues
  • Assist with diagnosing, testing, repairing and deploying PCs, Macs and other devices
  • Build and deploy new devices to client environments
  • Liaise with 3rd party vendors where required
  • Create and maintain clear documentation relating to client systems and processes
  • Gain exposure to a wide range of modern technologies and MSP best practices

Technical Experience and Knowledge Required:

  • Active Directory administration
  • Windows and macOS environments
  • Microsoft Office & Microsoft 365 (Email, Teams, SharePoint)
  • Basic networking concepts (TCP/IP, switches, routers, firewalls)
  • VPNs and remote access tools

The Person - We re looking for someone who is:

  • Confident, personable and approachable, with excellent verbal and written communication skills
  • Comfortable speaking to clients at all levels and representing the business professionally
  • Passionate about IT and keen to build a long-term career in technical support
  • Proactive, enthusiastic and eager to learn from others
  • A team player who can also use their own initiative
  • Organised, reliable and able to manage multiple tasks at once
  • Calm under pressure and capable of thinking on their feet

Experience & Qualifications

  • Recently completed an IT apprenticeship or 1 2 years experience in a helpdesk / IT support role within an MSP environment
  • IT certifications are preferred but not essential, such as:
    • MS-900 / AZ-900
    • CompTIA (A+, Network+, etc.)
  • A genuine interest in technology and customer service is essential

In return, my client offers the chance to develop your technical skills considerably, gaining exposure to the latest technologies from day one. Training and support for IT certifications is offered and you will learn from a well-established and close-knit team of Engineers.

Sound interesting and something you would like to be part of? Integral Recruitment is acting as an employment agency in regard to this advertisement.

SQL Server Architect - SC Cleared
CBSbutler Holdings Limited trading as CBSbutler
London
Hybrid
Senior - Leader
£590/day - £605/day
  • 6 month initial contract

  • Hybrid working from London

  • 605 per day - Inside IR35

  • SC Cleared role

Key Skills:

SQL Server Always On

Sharepoint

Key Activities

Work with Infra Architect to define PoV success criteria (RPO/RTO, failover time, throughput, recovery steps).

Stand up PoV topology:

SQL Server Always On Availability Groups on Amazon EC2 across multiple AZs.

Storage using EBS (io1/io2 / gp3) and, where required, FSx for Windows File Server for cluster dependencies.

Integrate CloudWatch, AWS Backup, Systems Manager, and automation as appropriate (CloudFormation/Terraform/PowerShell).

Confirm and test SharePoint compatibility (content/search/service DBs).

Produce pattern catalogue and TCO/performance findings and assessment of complexity to introduce and in terms of operability and maintainability for each of the chosen patterns (Always On availability groups, Always On failover cluster instances (FCI), SIOS DataKeeper, AWS Elastic Disaster Recovery, and AWS Database Migration Service (AWS DMS .

Deliverables

PoV Plan & Success Metrics

Resilience Pattern Catalogue (HA/DR topologies, pros/cons, prerequisites)

Testing of DR options with SharePoint team.

Performance Baseline & Findings Report (throughput/latency, failover timings)

PoV Recommendation & NextStep Design Decisions

Core Responsibilities

Architect HA/DR for SQL Server in AWS to support a missioncritical SharePoint farm.

Evaluate native AWS options (EC2, EBS, FSx, Route 53, CloudWatch, Backup, Systems Manager, CloudFormation).

Design and validate Always On patterns, listener routing, quorum/witness.

Collaborate with the Infrastructure Architect to ensure network/IAM/security fit.

Produce documentation, runbooks, and handover materials for operations.

Skills & Experience

Essential

10+ years with Microsoft SQL Server (2016+) architecture and operations.

Proven delivery of Always On Availability Groups, FCI, log shipping/replication.

Largescale SharePoint database design/operations experience.

Strong performance engineering (indexing, I/O, concurrency, wait stats, storage optimisation).

Deep understanding of networking for Always On, listener design, DNS failover.

Excellent documentation and stakeholder communication.

Desirable

Azure SQL HA/DR exposure (SQL MI, zone redundancy) for comparative design decisions.

Handson AWS deployment for SQL workloads (EC2, EBS, FSx, Route 53, CloudWatch, Backup, SSM).

Automation tooling (CloudFormation/Terraform, PowerShell DSC).

Experience with regulated environments and security hardening

Windows Site Reliability Engineer
Intec Select Ltd
London
Hybrid
Senior - Leader
£100,000 - £110,000
+12

Windows Site Reliability Engineer 110K Hybrid London

Overview:
A leading global investment bank is seeking a skilled Windows Site Reliability Engineer to join their London-based Technology team. This is a senior-level leadership role focused on driving platform reliability, automation strategy, and infrastructure modernisation across mission-critical banking systems. This is an excellent opportunity to join an investment banking powerhouse.

Role and Responsibilities:

  • Lead Platform Engineering and SRE strategy across the organisation
  • Build scalable, self-service, and resilient infrastructure platforms
  • Drive Infrastructure as Code and CI/CD adoption, automating manual tasks
  • Define SLOs and optimise system performance, latency, and scalability
  • Lead root cause analysis and remediate technical debt
  • Partner with development teams to improve testing, releases, and deployments
  • Shape cloud and hybrid migration strategies
  • Ensure regulatory, audit, and security compliance
  • Act as senior escalation point for high-severity incidents
  • Identify cost and efficiency improvements; deputise for senior leadership

Skills and Experience:

  • Deep expertise in Microsoft Windows Server internals
  • Advanced knowledge of Active Directory, DNS, DHCP, LDAP, and Kerberos
  • Extensive experience tuning low-latency, enterprise-scale systems
  • Strong background in SRE, DevOps, CI/CD, and Infrastructure as Code principles
  • Advanced scripting and development capability (PowerShell, Python, C#)
  • Clustering, high-availability, replication, and disaster recovery expertise
  • Experience with Git, Terraform, Ansible, Jenkins, and TeamCity
  • Strong understanding of security hardening (CIS) within regulated environments
  • Deep knowledge of performance monitoring, system internals, and optimisation techniques
  • Experience working within financial services or other regulated industries

Desirable:

  • Kubernetes and Docker orchestration
  • Major cloud platforms (Azure, AWS, GCP)
  • Nutanix HCI and VMware ESX
  • Enterprise databases (SQL Server, Oracle, Sybase ASE, MongoDB, Snowflake)
  • Enterprise monitoring tools (Splunk, Netcool)

Package

  • Circa 110,000 + Excellent Package
  • London / Hybrid x3 days onsite
  • Flexible working considered

Windows Site Reliability Engineer 110K Hybrid London

Junior Desktop Engineer - Hedge Fund
James Joseph Associates
London
In office
Junior
£20,000 - £50,000

Our client is a long established and highly prestigious Quantitative Trading Firm focusing on systematic low latency trading strategies. This role has arisen because of the promotion of the current Junior Desktop Engineer who is now progressing into a more specialised infrastructure engineering role within the company.

The firm is looking for an ambitious and enthusiastic professional who is looking to continuously learn and progress in their career & follow the same progression path as the previous Junior Desktop Engineer

You don t need years of experience, but you do need solid practical IT skills, a good attitude, and a willingness to learn and grow in an infrastructure-focused career. You will benefit from the support and mentorship of their world class team of senior engineers.

THE ROLE :Junior Desktop Engineer - Hedge Fund

You will be working closely with the Senior Engineers on their IT Infrastructure team in a bleeding edge High Performance Computing environment. Initially, your focus will be on resolving 1st/2nd line support tickets and assisting with projects on an ad-hoc basis. It s ideal for someone who s hands-on with computers and enjoys fixing problems from setting up PCs and workstations to troubleshooting Windows/Linux issues and dealing with both physical hardware and cloud based faults.

  • Responsible for providing day-to-day IT support to internal users. Your objective will be solve as many issues as possible without having to escalate them
  • Troubleshooting Windows and Linux issues
  • Continue to deepen your technical knowledge by assisting Senior Engineers with Project based work
  • Assisting Senior Engineers with Infrastructure Administration based tasks
  • Supporting general infrastructure tasks as needed
  • Setting up PCs, desks, monitors, and peripherals (If and when required)
  • Moving workstations and patching network connections (If and when required)

SKILLS / EXPERIENCE REQUIRED: Junior Desktop Engineer - Hedge Fund

  • Minimal Experience is required- our Client is looking for someone they can mentor and develop, they are looking for someone who has a genuine interest and desire to learn and progress.
  • Understanding of Windows, Linux, and networking fundamentals
  • Hands-on PC skills (setup, troubleshooting, hardware basics)
  • Strong communication skills (Both written and verbal)
  • A customer-service mindset and friendly approach
  • A fast learner who is looking to improve their skillset and grow their career
  • Whilst a university degree is desirable it is not essential
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.

Senior Software Developer
Spectrum IT Recruitment
London
In office
Senior
£100,000 - £120,000
+2

Senior Software Developers specialising in trading systems required for an excellent client based in London.
The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client’s own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield projects and allow you to make your own mark on the development process early on.You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications and trading platform.
Our client offers a very collaborative working environment with all of the development team coming from excellent educational backgrounds from across Europe. This role is within the sports trading industry so any candidate applying should either have an interest in the industry, or experience within it.
This is predominantly an office-based role. As well as very competitive salaries, our client offers a comprehensive benefits package.

Skills required:

  • C#
  • Worked with the latest version of the .NET platform
  • Database experience - SQL Server
  • WPF
  • Angular, TypeScript
  • Excellent communication skills both written and verbal
    Knowledge of working with trading platforms
  • Modelling experience
  • High level aptitude for technology
  • Education to at least a BSc level or higher in Computer Science or Mathematics from a Russell Group University or equivalent.

Desirable skills:

  • HTML5, CSS, JavaScript
  • Multi-threaded application development
  • Understanding of Windows technologies

If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on (phone number removed) or email (url removed)

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Test Analyst
Reed Technology
Hatfield
In office
Junior - Mid
£30,000 - £35,000
  • Annual Salary: TBD
  • Location: Hatfield, Hertfordshire
  • Job Type: Full-time, Permanent, 5 days a week onsite

A new exciting permanent Test Analyst opportunity has become available to join a leading company in the medical electronics sector, developing, manufacturing, and supplying hearing test devices. With over 30 years of global competition, they’re continually enhancing their product range, including software, firmware, and hardware. This is an excellent opportunity for a Test Analyst looking to either start or progress their experience in a dynamic team, working on high-tech products throughout the entire product lifecycle.

Day-to-day of the role:

  • Test and evaluate new and modified products using both manual and automated software and firmware testing protocols, with occasional hardware testing.
  • Collaborate closely with the Test Manager and development team during product development cycles.
  • Create and maintain test cases from specification documents for execution and regression testing.
  • Report defects and suggest improvements to the Test Manager for development team consideration.
  • Contribute to test planning by assessing risks, identifying areas of change, and applying time constraints.
  • Participate in reliability, efficacy, equivalence, and comparative trials of products, including data collection and analysis.
  • Investigate issues reported from the field or internally by reproducing and investigating faults.
  • Support the implementation of new products and produce technical documentation and test reports as required.
  • Adhere to formal version control procedures and comply fully with quality system documentation.

Required Skills & Qualifications:

  • Minimum 2 years’ experience in testing electronic devices and/or software applications using manual techniques.
  • Comfortable with handheld medical devices running on board micro-controller firmware.
  • Experience with automated test tools and/or coding is advantageous.
  • Familiarity with SDLC processes such as waterfall, agile, and scrum.
  • ISEB/ISTQB foundation certificate required.
  • Degree in Computer Science or a related technical field is advantageous.
  • Proficient with PC, Windows, and general IT.
  • Keen interest in new technologies.

Personal Requirements:

  • Excellent team player with strong initiative.
  • Observant, quick learner, and excellent communicator.
  • Methodical, logical, and detail-oriented with a commitment to quality and reliability.
  • Strong problem-solving skills and ability to handle multiple projects under pressure.

Benefits:

  • Competitive pension and healthcare benefits.

To apply for the Test Analyst position, please submit your CV to be considered immediately for this position.

Frequently asked questions
London offers a wide range of Windows IT jobs, including Windows system administration, network engineering, desktop support, Windows server management, and cybersecurity roles focused on Windows environments.
Common skills include proficiency with Windows Server (2016, 2019, 2022), Active Directory, PowerShell scripting, troubleshooting, virtualization technologies like Hyper-V, and experience with Microsoft Azure or Office 365.
Yes, many employers offer remote or hybrid working options for Windows IT roles in London, especially for experienced professionals who can manage systems and networks remotely.
Salaries vary based on experience and role but typically range from £35,000 for entry-level positions to over £70,000 for senior Windows system administrators or engineers.
Obtain relevant certifications such as Microsoft Certified: Windows Server Fundamentals or Microsoft Certified Solutions Expert (MCSE), gain hands-on experience, and keep up to date with the latest Windows technologies and best practices.