Contract Site Reliability Engineer (SRE) Jobs

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Contract Site Reliability Engineer (SRE) Jobs

Overview

Find top Contract Site Reliability Engineer (SRE) jobs with Haystack, your go-to IT job board. Browse the latest contract SRE opportunities that let you apply your expertise in system reliability, automation, and performance optimization. Whether you’re looking for short-term projects or long-term contracts, explore roles tailored to your skills and advance your career in site reliability engineering today.

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Microsoft Azure DevOps Engineer

Stackstudio Digital Ltd.

Microsoft Azure DevOps EngineerRole Details

Job Title: Microsoft Azure DevOps Engineer (Hybrid 1 to 2 days)

Location: Gloucester or Warrington, UK

Job Purpose and Primary ObjectivesMicrosoft Azure Administrator to provide L2/L3 support for Azure Landing Zone and DevOps.Key Responsibilities*(Please specify if the position is an individual one or part of a team)*

Hands-on experience with MS Azure environment with DevOps and IaC (Infrastructure as a Code).

Implementing Microsoft Azure tenant-level configuration.

Significant experience of Terraform and PowerShell scripting.

Knowledge of Microsoft Azure licensing.

Understanding of Active Directory and Active Directory Federation Services, AD Connect, etc.

Good working knowledge of Active Directory, DNS, DHCP, VNET, etc.

Server management using remote tools.

Certification like AZ-400 would be an added advantage.

Solid understanding of ITIL / ITSM best practices.

Excellent problem-solving and decision-making skills.

Ability to work independently and as part of a team.

ITIL processes Change, Incident, and Problem Management.

Experience in handling escalated issues, including coordination with multiple teams and vendors.

Preparing incident reports and root cause analysis reports.

Interpersonal sensitivity and customer responsiveness.

Ability to communicate complex technical content plainly and simply.

Good hardware knowledge and troubleshooting experience.

Excellent documentation skills for user training and technical documents.

Provide on-call support after business hours and during weekends.

Flexibility to work multiple shifts as and when required.

Willingness to work shifts and out-of-hours based on project requirements.

Adhering to SLA / OLA.

Handling tickets and requests.

Handling severity incidents and availability for on-call (on ROTA basis).

Key Skills / Knowledge

Azure DevOps Engineer with extensive knowledge and experience in Azure IaaS / PaaS, CI/CD pipelines, Terraform, Ansible, ARM templates, PowerShell, Git, and Linux.

Implementing Microsoft Azure tenant-level configuration, including Conditional Access Policy (CA).

Good understanding and working experience in Agile ways of working (DevOps-based model).

Experience delivering cloud-based solutions across a large enterprise.

Experience Required / Must Have

Hands-on experience with Azure IaaS / PaaS, CI/CD pipelines, Terraform, Ansible, ARM templates, PowerShell, Git, and Linux.

Hands-on experience in Azure Landing Zone.

Enterprise device provisioning, management, configuration, and lifecycle management.

Azure AD administration and policies (Conditional Access, Single Sign-On, etc.).

Implementing Microsoft Azure tenant-level configuration.

Significant experience using Terraform as IaC.

Significant experience in PowerShell scripting.

Knowledge of Microsoft Azure licensing.

Understanding of Active Directory and Active Directory Federation Services, AD Connect, etc.

Well-versed with Agile methodologies (JIRA tool, creating stories).

Expertise in troubleshooting issues reported by end users.

Manage, maintain, support, troubleshoot, and optimize existing solutions while recommending improvements for future needs.

Understanding of SSO and MFA technologies for SaaS applications.

Understanding of Azure AD Connect and Azure AD directory services for managing cloud identity.

Supporting proof of concept for new services and technologies.

Delivering all services following ITIL methodology for service creation.

Bradford, West Yorkshire (Hybrid - 1 day per week in the office)6 Month Contract - Inside IR35A strong contract opportunity has opened for an experienced Cloud Engineer to join a well-established organisation with a mature cloud estate. This is a hands-on delivery role, suited to someone who’s comfortable owning real infrastructure and contributing from day one.As a Cloud Engineer, you’ll be focused on building, operating, and improving AWS platforms in live production environments. You’ll work closely with the wider engineering function to deliver secure, reliable cloud infrastructure using infrastructure-as-code, while supporting the organisation’s ongoing cloud maturity and operational capability.The Cloud Engineer role is firmly delivery-led rather than advisory. You’ll be documenting the current AWS estate to an operational level, contributing to upcoming AWS builds, and supporting the team with practical improvements around security, automation, and knowledge sharing. There’s also scope to input into training needs and help uplift cloud capability across the team, working in an Agile / DevOps model with a high degree of autonomy.Cloud Engineer - Key Skills & Experience:Strong hands-on AWS cloud engineering experience in production environmentsProven delivery of AWS infrastructure using Terraform and infrastructure-as-code practicesExposure to Azure within a multi-cloud AWS / Azure environmentExperience building secure-by-default AWS platforms, including IAM, networking, logging, and guardrailsStrong documentation habits and a collaborative approach to knowledge sharingExperience contributing directly to live cloud builds and operational improvementExperience building or maintaining CI/CD pipelines for cloud infrastructureFamiliarity with cloud best-practice frameworks and design principlesExperience working in highly regulated envirionments would be preferredIf you’re a Cloud Engineer who enjoys hands-on delivery, improving live cloud platforms, and making a practical impact, apply today. The client is keen to move quickly.We are an equal opportunities employer and welcome applications from all suitably qualified candidates, regardless of race, sex, disability, religion/belief, sexual orientation, or age.TPBN1_UKTJ

SC Cleared GCP Platform Engineer

SC Cleared GCP / Kubernetes Platform Engineer | Outside IR35 | 6 Month ContractDuration: 6 Months (likely extensions) IR35: Outside IR35 Rate: £400-£450 per day Location: Hybrid - London (3 days onsite)I’m looking for a GCP Platform Engineer / Kubernetes Engineer to join a multi-year transformation programme delivering some of the UK Government’s most critical systems.The client is open to candidates with strong Kubernetes platform experience, even if you haven’t worked directly with GDC - as GDC is fundamentally Kubernetes-based.What you’ll do

Design and operate secure GCP and Kubernetes platforms (GDC exposure a bonus)

Build solutions for disconnected / air-gapped environments

Own IAM, networking, GKE and core platform services

Automate infrastructure using Terraform and CI/CD pipelines

Optimise platform performance, reliability and cost

Partner closely with security and architecture teams

What you’ll bring

Strong hands-on experience in Kubernetes platform engineering (on-prem or cloud)

GCP experience or strong transferable Kubernetes background

Understanding of hybrid / on-prem Kubernetes environments

Experience in regulated, secure or classified environments

Deep skills in IaC, automation and platform operations

Security-first mindset with strong stakeholder communication

Bonus

Exposure to Google Distributed Cloud (GDC) or Anthos

Government or secure data centre experience

AI on GCP

Google certifications

ClearanceMust hold active SC clearance (DV preferred).This role is Outside IR35 and requires up to 3 days onsite in the London office.If this sounds of interest, please send your updated CV and we can have a chat.

Microsoft_M365 Copilot SME

CBSbutler Holdings Limited trading as CBSbutler

Job Title: Microsoft_M365 Copilot SMELocation: Sheffield/Hybrid (3 days per week on site)Contract: 12 monthsRate: 558 per day inside ir35Role Description:Provide 3rd / 4th Line Operational Support for M365 Copilot across HSBC’s tenant. Providing incident response via complex troubleshooting, policy/configuration changes and mass deployments throughout the organisation.Key Responsibilities:

Incident & Problem Management:

Triage and resolve complex M365 escalations / Multi User Incidents (usage, access errors, unexpected results).

Root cause analysis across M365 Admin Centre, Entra, Conditional Access, SharePoint/OneDrive permissions, Teams, Group Policy Objects, Aternity etc

Observability and Monitoring:

Advanced understanding of monitoring and observability tools such as Thousand Eyes and Downdetector

Required Skills:

5-8+ years in Microsoft 365 support at enterprise scale.

Strong skills in Microsoft Copilot, SharePoint/OneDrive permissions, Entra ID, Conditional Access.

Experience working within regulated environments and producing audit-ready artifacts.

Preferred:

Exposure to large scale Copilot deployments (free/M365) in the financial sector.

Proficiency with PowerShell and Graph API for troubleshooting and reporting.

Provide CoPilot knowledge sharing sessions to fellow M365 Application owners

If you are interested in this role or wish to apply, please feel free to submit your CV.

Platform Engineer - Edinburgh - outside IR35 - 6 month contractAre you an Platform Engineer with experience of working on Site Resilience projects?I have an immediate contract opportunity in Edinburgh for a Platform Engineer to support and enhance existing storage and virtual platforms for a public sector client. Some of the work will involve contributing to NVMe adoption, enhancing organisational resilience, expanding backup services, and improving platform engineering for vMotion setup.Key Responsibilities:

Work with the Product Managers and Technology teams to define and prioritise platform roadmaps

Support virtual and storage platform development

Propose and implement platform improvements

Manage platform health, capacity, and integrity

Monitor storage and archiving procedures

Support disaster recovery events

Skills Required:

Proven experience with VMWare, Cisco UCS, NSX environments

Skilled in disaster recovery planning, platform monitoring, and infrastructure as code

Proficient in Windows, RHEL operating systems, Agile working practices

Experience with Grafana, Fibre Channel Fabrics, and Cisco switching

Interested? Apply now for immediate consideration!

Principal DevOps Engineer

Contract DevOps Engineer - AWS DevOps Location: UK Remote (Must be UK based, with full right to work) Contract Type: £550pd INSIDE IR35 - Immediate Start Available WRK digital are delighted to be shortlisting for Contract DevOps Engineers with strong AWS and DevOps capabilities working across modern cloud infrastructure including AWS services (ECS, EKS, Lambda, RDS), CI/CD pipelines (GitHub Actions, Jenkins), infrastructure as code (Terraform, CloudFormation), container orchestration (Kubernetes, Docker), and configuration management tools. The Role You’ll be working as part of a high-performing agile team within the NHS, building and maintaining cloud-native infrastructure with a focus on reliability, security, compliance, and automation. This is an exciting opportunity for an accomplished Contract Platform Engineer with deep AWS expertise and experience delivering infrastructure solutions in regulated environments. What You’ll Be Doing Design, build, and maintain scalable AWS infrastructure and platform services Implement and optimise CI/CD pipelines for automated deployment and testing Ensure infrastructure meets standards for security, compliance, observability, and cost optimisation Work with infrastructure as code (Terraform/CloudFormation) to enable repeatable, version-controlled deployments Support application teams with container orchestration, monitoring, and platform tooling Enable rapid platform modernisation with minimal service disruption Engage with technical and business stakeholders to determine infrastructure requirements (consultancy experience highly valued). The contract is an initial engagement until the end of March with this UK-based team working remote first. You must be comfortable working INSIDE IR35 for this engagement.

Laptop Builder - 1st / 2nd Line Support

£136,000/day - £155,137/day

RECENTLY POSTED

Laptop Builder / 1-2 Line SupportDuration: 12 week initial contract (poss ext)Rate: .64 per day via umbrellaIR35: In scopeLocation: Wakefield, West YorkshireThe main focus of the roles is to build and image new laptops, then issue to Staff ensuring any issues are resolved and bitlockers are accessed.The role is based in Wakefield, West Yorkshire.Duties will include being involved in the build and test of Laptops.There may be some support thereafter from time to time.Skillset requirements

Building Laptops

Imaging Laptops

Distributing Laptops

Troubleshooting skills

Excellent customer service skills

Ability to communicate effectively with staff and customers (both written, and verbally)

Excellent organisational skills

Beneficial Public Sector / Government experienceNHS, PC, IMAGING, WINDOWS, LAPTOP, CLOUD, SCRIPT, MS INTUNE, PUBLIC SECTOR, GOVERNMENT, 1ST LINE, 2ND LINE, 3RD LINE, HELPDESK, SERVICE DESK, ELSHays Specialist 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 (url removed)

Technician 2

Hays Talent Solutions

Join a leading independent telecom company as a Technician 2.Job Overview: Installation Technicians are responsible for providing desktop hardware installation services where basic technical skills are required to deliver a reliable service solution. The role involves unboxing and installing equipment at desks, connecting peripherals and cables (such as power and network), performing power-on self-tests, and initiating automated builds or simple scripted post-login configurations. Technicians may be required to work variable shift patterns as per business needs, maintain accurate system records, and strictly adhere to procedures, scripts, and policies.Tittle: Technician 2 Location: Belfast County Antrim, Northern Ireland - BT1 3BT Antrim BT1 3BT Rate: PAYE - £14.90/hr (Basic) or UMB - £19.34/hr (Under IR35) Start/End Date: 19 Jan 2026 to 31 Mar 2026 Duration: Mon-Fri 09:00 AM to 05:30PMKey Responsibilities:

Unbox and install desktop hardware and peripherals at designated workstations.

Connect power and network cables and perform power-on self-tests.

Initiate automated builds and execute simple scripted post-login configurations.

Maintain accurate system records, primarily using ServiceNow.

Ensure strict compliance with established procedures, scripts, and policies.

Provide basic technical support during installation and configuration.

Collaborate with internal teams to ensure smooth service delivery.

Work flexible shifts as required by business needs (with prior notice).

Uphold high standards of professionalism and customer service during installations.

Additional Requirements:

A current UK driving licence is mandatory.

Ability to work variable shift patterns when required.

Strong attention to detail and adherence to company policies.

How to Apply: If you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV, or call us now.Next Steps Once you’ve applied, one of our friendly recruitment consultants will give you a call and talk you through the screening process. If your application is successful, you’ll be involved in a live virtual interview with one of our client’s hiring managers to get to know you better. We look forward to speaking to you!Hays Talent Solutions is a trading division of Hays Specialist Recruitment Limited and 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 on our website.

OpenShift/Kubernetes SRE - SC CLEARED - Wokingham & Remote - 10-20 MONTHS+

Octopus Computer Associates

OpenShift/Kubernetes SRE - SC CLEARED - Wokingham & Remote - 10-20 MONTHS+/RATE: £367.50 per day inside IR35.One of our Blue Chip Clients is urgently looking for a Openshift/Kubernetes SRE - Site Reliability Engineer.Candidates must ideally hold an ACTIVE SC Clearance.Role is hybrid so onsite Wokingham and some remote workingPlease find some details below:CONTRACTOR MUST ideally HOLD ACTIVE SC CLEARANCEMUST BE PAYE THROUGH UMBRELLAWe’re seeking fellow Site Reliability Engineers who want to grow their career and delight customers through a hybrid of project and foundational activities. We take a modern approach of working collaboratively internally and externally to achieve high levels of satisfaction both for our clients and ourselves collectively. We achieve this through focused groups of technical people, known as Pods, coming together to deliver and maintain services to UK clients. The strength of our pods lies within our people, fostered by a supportive team culture. Our ideal candidate would thrive in such an environment. Hybrid working: The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time.Due to the nature of the client to be supported, successful candidates should expect there will be regular on-site engagement and so travel to site will be required.Your role As an integral part of a Cloud Pod, you’ll have fantastic opportunities to develop both yourself and our collective capabilities as you progress both project and foundational requirements with other likeminded SRE’s and Cloud Engineers. As part of the team, you’ll be empowered to:Build and maintain platforms with a high degree of focus on technical reuse, standardisation and blueprints; think GitOps not ClickOps . Fully embrace modern ways of working and feel invested our customer’s outcomes as we group around activities in agile sprints, and within error budgets. Continue to strengthen and bolster your existing capabilities in site reliability through a mix of professional training, certifications, and experiences. Collaborate and influence our iterative offerings.Your skills and experience Existing knowledge of Site Reliability Engineering operations, with a hands-on experience in OpenShift, and Kubernetes. Ability to support and troubleshoot OpenShift Operators (ServiceMesh, ODF, ACS, ACM, AMQ). Familiarity with and ability to adapt within a complex multi-cloud/hybrid ecosystem. Foundational understanding of distributed systems. Working knowledge of observability stacks such as Prometheus, Grafana, Loki, and Tempo. Drive to develop and grow with the aid of senior engineers, with a willingness to adopt best practices and new technologies. Ability to develop and maintain Infrastructure as Code (IaC) using tools like Kustomize or Helm, as well as proficiency in Bash and Python. Experience managing pipelines using Tekton, ArgoCD, or FluxCD, following GitOps principles for automation and consistency. Kubernetes certification would be advantageous (CKA, CKS), as would previous experience in secure environments. Strong drive to learn and develop under the guidance of senior engineers, with a willingness to adopt best practices and new technologies.Your security clearance To be successfully appointed to this role, it is a requirement to obtain Security Check (SC) clearance. To obtain SC clearance, the successful applicant must have resided continuously within the United Kingdom for the last 5 years, along with other criteria and requirements.Throughout the recruitment process, you will be asked questions about your security clearance eligibility such as, but not limited to, country of residence and nationality. Some posts are restricted to sole UK Nationals for security reasons; therefore, you may be asked about your citizenship in the application process.Please send CV for full details and immediate interviews. We are a preferred supplier to the client.

Technician 2

Hays Talent Solutions

Join a leading independent technology and services provider as an Installation Technician!Job Overview:We are seeking skilled Installation Technicians to provide desktop hardware installation services. This role involves unboxing and installing equipment, connecting peripherals and cables, and performing basic configuration tasks. You will also maintain accurate system records and adhere to strict procedures.

Location: Sheffield, S1 2BG

Daily Rate: £19.34 per hour via umbrella OR £14.90 per hour via PAYE

Contract Length: 19-Jan-2026 to 31-Mar-2026

Start Date: 19-Jan-2026 (Tentative)

Key Responsibilities:* Unbox and install desktop hardware and peripherals * Connect power and network cables and perform power-on self-tests * Initiate automated builds and simple scripted post-login configurations * Maintain accurate records in ServiceNow * Follow strict procedures, scripts, and policies * Work variable shift patterns as required by business needs Key Requirements:* Basic technical skills for hardware installation * Ability to follow detailed instructions and scripts * Flexibility for occasional changes in working days (with notice) * Current UK driving licence (mandatory) * Strong attention to detail and adherence to policies Additional Information:* Interview Process: One-stage interview via MS Teams How to Apply: If you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV, or call us now.Hays Talent Solutions is a trading division of Hays Specialist Recruitment Limited and 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 on our website.

1st Line IT Support Technician

Manchester

3 month contract

£120 per day (inside IR35)

Our client is currently hiring for a 1st Line IT Support Technician to join a dynamic team supporting a well-established client based in Manchester. This is an excellent opportunity for someone with strong helpdesk and desktop support experience to make an immediate impact.Key Responsibilities:

Act as the first point of contact for IT-related queries via phone, email, and ticketing system.

Diagnose and resolve hardware, software, and network issues.

Support Windows 10/11 environments

Maintain accurate documentation of support requests and resolutions.

Collaborate with other IT team members to ensure smooth operations.

Requirements:

Previous experience in a 1st Line Support or Desktop Support role.

Strong troubleshooting skills across hardware, software, and networking.

Experience with PC builds and deployments.

Familiarity with Windows OS, and basic networking concepts.

Excellent communication and customer service skills.

Ability to work independently and manage time effectively.

Citrix SME

ARM (Advanced Resource Managers)

Senior Endpoint Engineer 3/6 months Remote/London - 3 days a week on-site £Negotiable - INSIDE IR35We are seeking a highly skilled Senior Endpoint Engineer specialising in Citrix and Windows endpoint technologies. The ideal candidate will have extensive experience in designing, implementing, upgrading, and supporting large-scale enterprise desktop environments, with a strong focus on Citrix platforms and Windows 11 rollout.Key Responsibilities

Lead the design, deployment, and support of Citrix Virtual Apps and Desktops, Citrix DaaS, and related VDI solutions.

Manage Citrix image creation, maintenance, and life cycle upgrades.

Package, test, and deploy applications using Citrix App Layering and other modern packaging tools (eg, MSI, App-V, MSIX).

Oversee and execute platform upgrades for Citrix and Windows endpoints.

Disclaimer:This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited (“ARM”). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.

Devops Engineer- Contract inside ir35- HybridCore Responsibilities:

Design and maintain Groovy pipeline steps (build, test, package, scan, deploy).

Extend Python tooling for SLSA provenance, SBOM generation, hash/digest accuracy, and security scan aggregation (SonarQube, Sonatype IQ,SAST/Container).

Optimize performance (parallel builds, caching, scope-reduced BOMs, dependency prefetch).

Ensure artifact integrity (correct SHA1/SHA256 mapping, reproducible inputs, evidence modeling).

Refactor legacy scripts (remove global state, consolidate hashing, standardize templates).

Document ci-config.yaml standards and usage patterns.

Mentor engineers on secure pipeline developme

Essential Skills: -

7+ years engineering; 3+ in CI/CD platform or DevSecOps.

Strong Jenkins + Groovy shared library expertise.

Advanced Python automation (JSON/YAML processing, tooling scripts).

Deep Maven/NPM/Python packaging knowledge; exposure to Helm/Terraform and container image metadata.

Supply-chain security (SLSA, CycloneDX SBOM, digests).

Experience with SonarQube, Sonatype IQ, container and SAST scanning.

Proven performance tuning (caching, parallelization, dependency pruning).

Compliance Awareness.

Google Cloud Platform (GCP) Administrator

Job Title: Google Cloud Platform (GCP) Administrator Location: Birmingham, UK-based - Hybrid working Salary/Rate: £350 - £400 (Flexable) - Inside IR35 Job Type: 6 Month ContractWe are undertaking a project to migrate part of an existing service from an offshore Google Cloud Platform (GCP) environment into a UK-based GCP account. An experienced GCP Administrator is required to take ownership of this migration and the associated GCP environment in the short to medium term.Due to current capacity and skills constraints, this role will be responsible for end-to-end GCP administration throughout the project life cycle, followed by structured handover and training to internal teams ahead of go-live.The engagement will cover setup, migration support, go-live assistance, and knowledge transfer.Job Responsibilities/Objectives

Administer and manage a UK-based GCP environment

Support migration of services from an offshore GCP account to a UK GCP account

Set up, configure, and maintain GCP infrastructure to support applications

Implement and manage GCP security, IAM, networking, and governance

Support application updates deployed via GitHub into the UK GCP environment

Ensure platform stability, performance, and compliance during migration

Produce documentation and provide structured knowledge transfer

Assist with upskilling internal teams ahead of go-live

Required Skills/Experience The ideal candidate will have the following:

Strong hands-on experience as a Google Cloud Platform (GCP) Administrator

Proven experience delivering GCP migrations, ideally across regions or accounts

Solid understanding of:

GCP IAM and security best practices

Networking, compute, storage, and monitoring

CI/CD workflows (GitHub-based deployments)

Experience working in regulated or security-conscious environments

Ability to work independently and take full ownership of infrastructure delivery

Strong documentation and knowledge transfer skills

If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Job Title GCP Cloud Engineer Contract Type Contract – Outside IR35 Duration 6–12 months Working Model Fully Remote Day Rate £350–£400/Day Role Overview We are engaging an experienced GCP Cloud Engineer for an upcoming contract opportunity, supporting the design, build, and ongoing optimisation of cloud infrastructure within Google Cloud Platform (GCP). This role will be hands-on and delivery-focused, working closely with platform, DevOps, and engineering teams to deliver scalable, secure, and resilient cloud solutions in a production environment. Key Responsibilities Design, implement, and maintain GCP cloud infrastructure Work with core GCP services, including Compute Engine, GKE, Cloud Storage, Cloud SQL, VPC, and IAM Build and manage infrastructure using Infrastructure as Code (Terraform preferred) Support containerised workloads and Kubernetes-based platforms Implement and maintain cloud security best practices Monitor, troubleshoot, and optimise cloud environments for performance and cost Support cloud migrations, upgrades, and platform improvements Collaborate with DevOps and engineering teams across delivery initiativesRequired Skills & Experience Proven experience working as a GCP Cloud Engineer Strong hands-on experience with Google Cloud Platform Solid experience with Kubernetes (GKE) and containerised workloads Hands-on experience with Terraform or similar IaC tools Strong understanding of cloud networking and security principles Experience working in Agile delivery environments Excellent communication skills and ability to work effectively in remote teamsDesirable Experience CI/CD pipeline implementation and support Cloud security and compliance exposure Experience supporting enterprise-scale cloud platformsIf you’re a GCP Cloud Engineer considering your next remote, outside IR35 contract at £350–£400 per day, we’d be keen to speak. Apply now or get in touch for more details

Network Security Engineer - F5/DNS/iRules

World Wide Technology

Role: F5 SME IR35: Inside - £550.00 - £575.00 per day Duration: 12 monthsWorld Wide Technology (WWT) is a global technology integrator and supply chain solutions provider. Through our culture of innovation, we inspire, build, and deliver business results, from idea to outcome.World Wide Technology EMEA. has an opportunity available for an F5 SME to support our client, a leading Global Financial Services provider with a security infrastructure uplift program.The successful candidate will have deep knowledge in F5 internals, traffic management, iRule and DNS architecture, please see requirements below:Key Responsibilities:Design, implement, and maintain complex F5 BIG-IP solutions across LTM and F5 DNS/GTMDevelop and manage advanced iRules for traffic steering, security, and application logicOwn and configure DNS and global traffic management, including Wide IPs, health monitors, and failover strategiesProvide deep-level troubleshooting across network, DNS, TLS, and application layersAct as an F5 subject matter expert for architecture decisions, incidents, and optimisationRequired Skills & Experience:Strong hands-on experience with F5 BIG-IP (TMOS, LTM, DNS/GTM)Advanced iRules development and traffic management expertiseSolid understanding of DNS infrastructure (authoritative vs recursive DNS, Anycast, TTLs, split DNS)Experience designing highly available, resilient application delivery architecturesAbility to troubleshoot complex issues across TCP/IP, HTTP/S, TLS, and DNSCandidates will be required to go through background checks before commencing contract.Must be an EU Citizen. Some occasional travel maybe required. Only successful candidates will be contacted.EQUAL OPPORTUNITIES World Wide Technology is committed to equal opportunities and actively seeks applications from all sectors of the community irrespective of sex, race, colour, nationality, ethnic or national origin, disability, marital status, sexual orientation, having responsibility for dependents, age, religion/beliefs, or any other reason which cannot be shown to be justified.

Wintel Engineer

eTeam Workforce Limited

We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you.Role Title: Wintel Engineer Location: Barrow in Furness, Cumbria (Fully onsite) Duration: 30/04/2026 Pay Rate: £456 per day inside IR35 Must hold an active SC clearanceRole Description: Role Overview The Wintel Engineer will be responsible for managing and supporting enterprise Windows and VMware environments, ensuring high availability, resilience, and performance. This role involves advanced virtualization, storage replication, and network integration.Key Responsibilities

Administer and maintain VMware ESXi hosts, clusters, and virtual machines.

Configure and manage vCenter and vSphere Distributed Switch (VDS).

Implement and support SRDF Metro for storage replication and disaster recovery.

Integrate VMware environments with Cisco ACI for network automation and security.

Perform system upgrades, migrations, and capacity planning.

Troubleshoot complex Wintel and virtualization issues.

Ensure compliance with security and operational standards.

Required Skills & Experience

Strong hands-on experience with VMware ESXi, vCenter, and VDS.

Knowledge of SRDF Metro and storage replication technologies.

Familiarity with Cisco ACI and network virtualization concepts.

Expertise in Windows Server administration and clustering.

Understanding of high availability and disaster recovery strategies.

Experience in large-scale enterprise environments.

Additional Requirements Will require on-site work at customer location in Barrow-in-Furness as part of project delivery.Preferred Qualifications

VMware certifications (VCP, VCAP).

Microsoft certifications (MCSA, MCSE).

Experience with automation tools (PowerShell, Ansible)

If you are interested in this position and would like to learn more, please send through your CV and we will get in touch with you as soon as possible. Please note, candidates are often Shortlisted within 48 hours.

Microservices Engineer

We are currently seeking a Microservices Engineer for our public sector client to join the Operations team, ensuring the stability and continuous improvement of Enterprise Integration Services across diverse infrastructure platforms.500 per day Inside IR35 Hybrid - 2 days per week in Telford (flexible: 2 days every 2 weeks for the right candidate)Location: Telford (Hybrid)Up to 12-15 months duration (regularly reviewed in 3 months rolling SOWs)The ideal candidate will hold active SC clearanceWhat you’ll bring:

5+ years solid Java experience

Proven expertise in Java Microservices, Spring Framework, and Spring Boot 2

Hands-on experience with AWS cloud solutions

Skilled in CI/CD pipelines (Bamboo, Git Runner)

Strong interpersonal skills and team ethic

Agile experience (Scrum & Kanban)

Familiarity with TDD and Pair Programming

Innovative thinker with strong problem-solving skills

Tech Stack:

Java 7+, Spring Framework, Spring Boot 2

Oracle & MongoDB

Kubernetes with Helm

Red Hat Linux

Shell Script, Perl, SQL

Jira & Confluence

HPC Engineer

Pearson Whiffin IT & Digital

We are seeking an experienced High Performance Computing (HPC) Engineer to design, maintain, and optimise large-scale computing environments that support data-intensive and compute-heavy workloads. You will work closely with researchers, developers, and infrastructure teams to ensure high availability, performance, and scalability of HPC systems.Key Responsibilities

Design, deploy, and manage HPC clusters (on-prem, cloud, or hybrid)

Install, configure, and optimise job schedulers (e.g. Slurm, PBS, LSF)

Tune system performance for CPU, GPU, memory, storage, and network workloads

Support users with application optimisation and parallelisation

Automate system administration using scripting and configuration management tools

Monitor system health, capacity, and performance

Troubleshoot hardware, software, and performance issues

Collaborate on future architecture planning and upgrades

Maintain documentation and best practices

Required Skills & Experience

Strong Linux system administration experience

Hands-on experience with HPC environments and parallel computing

Knowledge of MPI, OpenMP, and/or CUDA

Experience with job schedulers (Slurm preferred)

Familiarity with high-speed interconnects (InfiniBand, Omni-Path)

Experience with scripting languages (Bash, Python)

Understanding of performance profiling and optimisation techniques

Desirable Skills

Experience with GPUs and accelerator-based systems

Knowledge of cloud HPC (AWS, Azure, GCP)

Experience with containers (Singularity/Apptainer, Docker)

Configuration management tools (Ansible, Puppet, Chef)

Experience supporting scientific or research workloads

London, UK 6 Month ContractAn incredible opportunity for an experienced Senior Go Developer with strong backend engineering skills to join a prestigious tech client on a contract basis. Known for its high bar for engineering quality, this isn’t your typical banking or fintech gig - contractors here are genuinely embedded, involved, and making meaningful impact from day one.As a Senior Go Developer, you’ll play a key role in building mission-critical, data-driven services that power core parts of the platform. You’ll take ownership across the full development lifecycle, from system design and implementation to optimisation and release.You’ll be working in an open, fast-moving environment where ideas get tested quickly and good engineering practices are taken seriously. If you like seeing your work go live within days - not weeks - you’ll fit right in. Contractors are treated as part of the team, contributing to technical decisions, stand-ups, and everything in between.Reporting into an Engineering Manager, you’ll be hands-on with technologies like AWS, Kubernetes, Docker, and Kafka, and will collaborate closely with product and infrastructure teams to ship well-architected, scalable microservices.This is a team that values clean systems, clear thinking, and code that lasts. You’ll have the freedom to shape how things are built and the trust to get on with it - whether that’s improving infrastructure, shipping new features, or quietly refactoring something that needs it.Senior Go Developer - Key Requirements:

Significant professional experience in software development, with a strong focus on backend systems

Proficiency in Go / Golang and proven expertise in AWS, Kubernetes, and Docker

Experience with end-to-end software engineering, including system design and architecture

Hands-on experience working on complex, data-intensive applications

A product-focused mindset and familiarity with working in technology-driven organisations or start-ups

Experience with Kafka, Cassandra, gRPC, and microservices architecture will also be beneficial, as well as experience contributing to open-source projects

If you’re a Senior Go Developer looking for a fast-paced, collaborative contract role where your work will ship quickly and matter to real users - apply now. Our client is ready to move quickly for the right person.We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation, or age.

IT Administrator

Synergize Consulting Ltd

OverviewWe are seeking a DV-cleared IT Administrator to support the operation and assurance of a secure infrastructure environment aligned with FCAS (Future Combat Air System) cyber requirements and Air Sector security standards.This role is hands-on and operational, working at the heart of a highly secure, mission-critical environment to ensure systems remain compliant, resilient, and ready for use.Key ResponsibilitiesAccess, Network & Security Controls

Validate and maintain user and administrative access controls, ensuring least-privilege principles are enforced.

Review and validate Firewall and IDS/IPS rules, ensuring secure configuration and effective threat protection.

Support secure configuration and ongoing compliance of infrastructure components.

Patch Management & Vulnerability Management

Schedule, apply, and validate security patches across infrastructure environments.

Run and support vulnerability scanning, validating results and supporting remediation activities.

Track patching status and provide evidence to support assurance and accreditation activities.

Resilience, Backup & Recovery

Test and validate backup and restore procedures to ensure data integrity and recoverability.

Validate and support disaster recovery plans, contributing to operational resilience and readiness.

Assist with recovery testing and assurance activities as required.

Documentation & Knowledge Transfer

Document all activities clearly to support knowledge transfer and operational continuity.

Package and manage all artefacts and deliverables for sharing with FCAS Security.

Support audits, assurance reviews, and working groups by providing accurate technical evidence.

Skills & Experience Required

Proven experience as an IT Administrator in secure or regulated environments.

Strong understanding of access control models, Firewall technologies, and IDS/IPS solutions.

Hands-on experience with patch management, vulnerability scanning, and remediation.

Experience supporting backup, recovery, and disaster recovery processes.

Strong documentation skills and attention to detail.

Experience in defence, aerospace, or similarly regulated sectors is highly desirable.

Security Clearance

DV clearance is mandatory and must be current and transferable.

3 days onsite, 2 days remoteBased out of Warton, possibly Frimley

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Frequently asked questions

What is a Contract Site Reliability Engineer (SRE) role?

A Contract Site Reliability Engineer (SRE) is a professional hired on a temporary basis to ensure the reliability, scalability, and performance of an organization’s infrastructure and applications. They typically work on specific projects or during critical periods to maintain system uptime and optimize operations.

How do I find contract SRE jobs on your job board?

You can find contract SRE roles by filtering job listings by 'Contract' type and using keywords such as 'Site Reliability Engineer' or 'SRE' in the search bar. Our platform allows you to easily sort and apply for relevant contract opportunities.

What skills are typically required for contract SRE positions?

Contract SRE roles generally require expertise in cloud platforms (AWS, GCP, Azure), automation tools (Terraform, Ansible), container orchestration (Kubernetes, Docker), monitoring systems (Prometheus, Grafana), and strong coding skills in languages like Python, Go, or Bash.

Are contract SRE jobs usually remote, on-site, or hybrid?

Many contract SRE opportunities offer remote or hybrid work options due to the nature of infrastructure management; however, some contracts may require on-site presence depending on the client’s operational needs.

What are the benefits of working as a contract SRE through Haystack?

Working as a contract SRE through Haystack gives you access to a curated list of high-quality contracts, competitive pay rates, flexible work arrangements, and direct communication with employers, helping you find the best fit quickly and efficiently.

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