1 to 25 of 35 Contract Site Reliability Engineering Jobs in the UK

Site Reliability Engineer UK (Remote) 6 Month Contract An excellent contract opportunity for a skilled Site Reliability Engineer to join a forward-thinking technology company. This is a trusted, high-impact engineering environment where a Site Reliability Engineer will be given real ownership, solving complex problems and building systems that directly accelerate software … delivery at scale. As a Site Reliability Engineer, you'll focus on creating and improving the platforms, tools, and services that support modern web engineering. Your work will cover everything from building new environments and optimising CI/CD pipelines to enhancing observability, monitoring, and runtime systems. The goal is clear: empower web engineers to ship products faster … distributed system resilience. Clean, maintainable code, strong security practices, and expertise in modern cloud infrastructure are essential. Site Reliability Engineer - Key Skills & Experience: Solid experience in platform, SRE, or backend-focused roles Strong coding ability in Go, Python, or Java (for building tooling and services) Proven expertise with AWS, including CloudFront and related web application services Track record More ❯

Job Title: Site Reliability Engineer - 12 Month Contract - No Sponsorship Available Job Description Our client are hiring a Site Reliability Engineering to join their Site Reliability Engineering group whose main objective is to ensure their services are consistently reliable for their customers. As part of adynamicand self-organizing team, you will have … and databases, providing the resources to build, deploy, and operate their own software. Responsibilities Support applications in production, including responding to incidents and conducting post-incident reviews. Apply observability engineering to proactively detect system degradation, understand system state, and quickly diagnose issues. Investigate and resolve production issues effectively. Build automation tools to reduce operational toil and enhance developer productivity. … Scope technical projects and break them down into user stories and tasks within an engineering team. Directly contribute to the design and coding of software systems. Contribute to building systems that are secure, reliable, scalable, and extensible. Make informed technical decisions with input from teammates and engage in technical discussions with other engineering teams. Build and maintain CI More ❯

Security Cleared Site Reliability Engineer - Contract Outside IR35 - 3 months+ -Hybrid We are seeking a Lead Operations/Site Reliability Engineer to take ownership of day-to-day operations across a legacy technology estate. The role will focus on maintaining service stability, ensuring operational readiness, and leading the response to incidents and outages. The Lead Operations …/Site Reliability Engineer will play a pivotal role during the transition phase by embedding operational standards, improving monitoring and support processes, and enabling knowledge transfer into ongoing service delivery teams. Key Responsibilities: Lead daily operational support of legacy systems, ensuring availability, performance, and resilience. Manage incident, problem, and change activities in line with ITIL and enterprise service More ❯

Security Cleared Site Reliability Engineer - Contract Outside IR35 - 3 months+ -Hybrid We are seeking a Lead Operations/Site Reliability Engineer to take ownership of day-to-day operations across a legacy technology estate. The role will focus on maintaining service stability, ensuring operational readiness, and leading the response to incidents and outages. The Lead Operations …/Site Reliability Engineer will play a pivotal role during the transition phase by embedding operational standards, improving monitoring and support processes, and enabling knowledge transfer into ongoing service delivery teams. Key Responsibilities: Lead daily operational support of legacy systems, ensuring availability, performance, and resilience. Manage incident, problem, and change activities in line with ITIL and enterprise service More ❯

Must hold UKIC DV Clearance Are you passionate about reliability, automation, and supporting mission-critical systems? Join this global defence organisation as a Site Reliability Engineer (SRE) and help shape the future of one of the UK's most vital national security platforms. You'll be joining a growing SRE team at the heart of the customer … s mission, focused on ensuring performance, availability, and scalability-while driving continuous improvement and innovation. About the Role As an SRE, you'll combine your operational expertise with software engineering skills to minimise manual effort and drive automation across complex systems. This role is perfect for someone who thrives on solving hard problems, automating the mundane, and building intelligent … overtime. Proactively enhance system availability, performance, and resilience. Develop tools and solutions to automate repetitive tasks and reduce operational toil. Collaborate with development teams to embed best practices and SRE principles. Deploy and manage monitoring systems to provide intelligent observability. Engage with the wider DevOps/SRE community within the organisation. Ideal Skills & Experience We're more interested in your More ❯

Must hold UKIC DV Clearance Are you passionate about reliability, automation, and supporting mission-critical systems? Join this global defence organisation as a Site Reliability Engineer (SRE) and help shape the future of one of the UK's most vital national security platforms. You'll be joining a growing SRE team at the heart of the customer … s mission, focused on ensuring performance, availability, and scalability-while driving continuous improvement and innovation. About the Role As an SRE, you'll combine your operational expertise with software engineering skills to minimise manual effort and drive automation across complex systems. This role is perfect for someone who thrives on solving hard problems, automating the mundane, and building intelligent … overtime. Proactively enhance system availability, performance, and resilience. Develop tools and solutions to automate repetitive tasks and reduce operational toil. Collaborate with development teams to embed best practices and SRE principles. Deploy and manage monitoring systems to provide intelligent observability. Engage with the wider DevOps/SRE community within the organisation. Ideal Skills & Experience We're more interested in your More ❯

Site Reliability Engineers (OpenShift is a MUST) - SC CLEARED - Remote and Wokingham ( Reading) (OpenShift, Prometheus, Grafana, Loki, Tempo, Kustomize, Helm, CICd, CI Cd, CI-CD, CI/CD, Tekton, ArgoCD) One of our Blue Chip Clients is urgently looking for several Site Reliability … Engineers. You must have very strong experience with OpenShift. CANDIDATES MUST HOLD ACTIVE SC CLEARANCE. 60% remote and 40% onsite in Reading MUST BE PAYE THROUGH UMBRELLA Role Description: SRE in CNI: OpenShift Experience is a MUST Collaborate with Agile teams to automate deployment, monitoring, and infrastructure management. Ensure platform and business application reliability and performance against strict SLAs … and ArgoCD. Support and troubleshoot OpenShift Operators (ServiceMesh, ODF, ACS, ACM, AMQ). Conduct security reviews and implement controls aligned with national infrastructure standards. Mentor junior engineers and promote SRE best practices. Collaborate with vendors and IT teams for incident resolution and platform improvements. Required Skills: Strong communication skills (written and verbal). Experience in remote team collaboration. Deep expertise More ❯

Security Cleared Site Reliability Engineer - Contract Outside IR35 - 3 months+ -Hybrid We are seeking a Lead Operations/Site Reliability Engineer to take ownership of day-to-day operations across a legacy technology estate. The role will focus on maintaining service stability, ensuring operational readiness, and leading the response to incidents and outages click apply for More ❯

Position: Senior & Principal Site Reliability Engineer Location: Wokingham/Home-Based Salary: £500-£590 p.d inside IR35 (Depending on seniority) Security Clearance: SC Clearance Required We're looking for a sharp-minded Site Reliability Engineer to join our cloud-native mission in Azure. If you thrive in Agile teams, live for automation, and know your way … around observability stacks and CI/CD pipelines - this is your playground. What you'll be doing: Automating deployment, monitoring & infrastructure with precision Owning platform reliability, performance & SLAs Building IaC with Helm/… Kustomize Managing CI/CD pipelines via Tekton & ArgoCD Supporting OpenShift Operators (ServiceMesh, ODF, ACS, ACM, AMQ) Implementing security controls aligned with national infra standards Mentoring junior engineers & championing SRE best practices Collaborating across dev teams, vendors & IT to drive operational excellence If you're interested in hearing more, please do send your profile to Reasonable Adjustments: Respect and equality More ❯

such as Prometheus and Grafana Maintain strong understanding of networking , system administration , and security best practices Requirements Proven experience in a DevOps or Site Reliability Engineering (SRE) role Solid experience with at least one major cloud provider (AWS, Azure, GCP) Hands-on experience with Kubernetes and Docker Proficiency in Terraform , CloudFormation , or similar IaC tools Strong scripting More ❯

Rate is available for suitable candidates Role Overview We are seeking a proactive and detail-oriented Platform VBA & Microsoft Engineer to join our Site Reliability Engineering (SRE) Platform team. This critical role is perfect for someone who thrives at the intersection of automation, operational excellence, and continuous improvement. Key Responsibilities: Maintain, monitor, and operate the Platform environment … by addressing system alerts and issues. Develop and maintain VBA scripts and tools that automate operational tasks and streamline reporting workflows. Collaborate with SREs and infrastructure teams to identify reliability gaps and design automation solutions. Enhance Excel-based dashboards for performance, availability, and incident metrics. Integrate VBA tools with external data sources, such as APIs and databases, for real More ❯

Rate is available for suitable candidates Role Overview We are seeking a proactive and detail-oriented Platform VBA & Microsoft Engineer to join our Site Reliability Engineering (SRE) Platform team. This critical role is perfect for someone who thrives at the intersection of automation, operational excellence, and continuous improvement. Key Responsibilities: Maintain, monitor, and operate the Platform environment … by addressing system alerts and issues. Develop and maintain VBA scripts and tools that automate operational tasks and streamline reporting workflows. Collaborate with SREs and infrastructure teams to identify reliability gaps and design automation solutions. Enhance Excel-based dashboards for performance, availability, and incident metrics. Integrate VBA tools with external data sources, such as APIs and databases, for real More ❯

DV-Cleared Application Support Engineer - Contract (Outside IR35) The Role We are seeking a DV-cleared Application Support Engineer to join our client's on-site team in the Cheltenham area. You will help maintain and support a managed cross-domain service, leveraging a broad range of technologies. The role focuses on site reliability engineering practices … to ensure service resilience, continuous improvement, and operational excellence. Location: Cheltenham, Gloucestershire Area (on-site minimum 4 days per week) Rate: £500 - £600 per day Clearance: Active DV clearance required Start : ASAP Duration : 6 months Key Responsibilities Build & Deploy Manage and maintain CI/CD pipelines using Java, Maven, and NPM. Configure and execute automated test suites with Maven … and conduct root cause analysis. Implement proactive changes to improve service stability. Maintenance Automate tasks to reduce manual workload. Conduct OS health checks, patching, and database housekeeping. Support multi-site data centre operations. Key Skills Experience in a managed service environment with strong service delivery focus. Hands-on with Infrastructure as Code (Terraform, Ansible). Application development experience (Java More ❯

Role Title: CNI Site Reliability Engineer Duration: contract to run until 30/01/2026 (possibility of extension) Location: Wokingham (Reading) Hybrid - 60% remote and 40% onsite Rate: TBC Clearance required: Active SC Clearance Role purpose/summary Collaborate with Agile teams to automate deployment, monitoring, and infrastructure management. Ensure platform and business application reliability and … and ArgoCD. Support and troubleshoot OpenShift Operators (ServiceMesh, ODF, ACS, ACM, AMQ). Conduct security reviews and implement controls aligned with national infrastructure standards. Mentor junior engineers and promote SRE best practices. Collaborate with vendors and IT teams for incident resolution and platform improvements. Required Skills: Strong communication skills (written and verbal). Experience in remote team collaboration. Deep expertise More ❯

Role Title: CNI Site Reliability Engineer Duration: contract to run until 30/01/2026 (possibility of extension) Location: Wokingham (Reading) | Hybrid - 60% remote and 40% onsite Rate: TBC Clearance required: Active SC Clearance Role purpose/summary Collaborate with Agile teams to automate deployment, monitoring, and infrastructure management. Ensure platform and business application reliability and … and ArgoCD. Support and troubleshoot OpenShift Operators (ServiceMesh, ODF, ACS, ACM, AMQ). Conduct security reviews and implement controls aligned with national infrastructure standards. Mentor junior engineers and promote SRE best practices. Collaborate with vendors and IT teams for incident resolution and platform improvements. Required Skills: Strong communication skills (written and verbal). Experience in remote team collaboration. Deep expertise More ❯

automation and opinionated defaults, so teams are not blocked by manual requests or low-level details Collaborate with engineers to understand common pain points and continuously improve platform usability, reliability, and documentation Embed security and compliance into platform tooling and workflows so that teams adopt safe patterns by default not by exception Your Skills & Experience as a Platform Engineer … Proven experience as a Platform Engineer, DevOps Engineer, or Site Reliability Engineer Strong understanding of cloud platforms (AWS, GCP, or Azure) Proficient in scripting or programming (Python, Go, Bash, etc.) Experience with containerization and orchestration (Docker, Kubernetes) Familiarity with CI/CD systems (GitHub Actions, GitLab CI, Jenkins, etc.) Hands-on experience with infrastructure-as-code tools (e.g. More ❯

automation and opinionated defaults, so teams are not blocked by manual requests or low-level details Collaborate with engineers to understand common pain points and continuously improve platform usability, reliability, and documentation Embed security and compliance into platform tooling and workflows so that teams adopt safe patterns by default not by exception Your Skills & Experience as a Platform Engineer … Proven experience as a Platform Engineer, DevOps Engineer, or Site Reliability Engineer Strong understanding of cloud platforms (AWS, GCP, or Azure) Proficient in scripting or programming (Python, Go, Bash, etc.) Experience with containerization and orchestration (Docker, Kubernetes) Familiarity with CI/CD systems (GitHub Actions, GitLab CI, Jenkins, etc.) Hands-on experience with infrastructure-as-code tools (e.g. More ❯

iO Associates are partnered with a growing SME in the Defence industry, currently looking for an experienced SRE to start with them as soon as possible. Rate: £550 per day (Outside IR35) Duration: Initial 3 months Location: Hereford - 3 days per week on site Clearance: MOD DV Essential Skills & Experience Experience using configuration management tools such as Ansible or More ❯

iO Associates are partnered with a growing SME in the Defence industry, currently looking for an experienced SRE to start with them as soon as possible. Due to the exciting nature of the role and the projects you will be working on, you must hold an active Security Clearance (SC), or be a sole British passport holder who has been … years to successfully complete all stages of the vetting process. Rate: £525 per day (Outside IR35) Duration: Initial 3 months Location: Hereford/Bristol - 3 days per week on site Essential Skills & Experience Experience using configuration management tools such as Ansible or Chef Experience working with Docker containers, Kubernetes, and OpenShift Experience with Terraform Experience with CI/CD More ❯

iO Associates are partnered with a growing SME in the Defence industry, currently looking for an experienced SRE to start with them as soon as possible. Rate: £550 per day (Outside IR35) Duration: Initial 3 months Location: Hereford - 3 days per week on site Clearance: MOD DV Essential Skills & Experience Experience using configuration management tools such as Ansible or More ❯

Senior DevOps Engineer Contract Opportunity - Inside IR35 – UK Wide The Bridge IT are supporting a flagship digital transformation programme, seeking experienced Senior and Lead DevOps Engineers to join established engineering teams. This is a long-term contract with significant scope for impact, working on critical national services. Day rate: £625–£650 p/d (Inside IR35) Location: Hybrid – with … high availability, scalability, and resilience. The role requires a blend of technical depth and leadership capability particularly in automation, observability, and mentoring team members. Key Skills & Experience: DevOps/SRE experience (5+ years) – ownership of projects, strong automation and Infrastructure-as-Code approach, incident management, and leadership of initiatives. Terraform – production use including modules, state management, and AWS integration. Kafka More ❯

iO Associates are partnered with a growing SME in the Defence industry, currently looking for an experienced SRE to start with them as soon as possible. Due to the exciting nature of the role and the projects you will be working on, you must hold an active Security Clearance (SC), or be a sole British passport holder who has been More ❯

CI/CD pipelines to streamline deployments. Ensure reliability, scalability, and performance across all systems. Implement Infrastructure-as-Code (IaC) using Terraform and scripting languages. Promote DevOps and SRE principles across the engineering function. What We're Looking For: Proven experience as a Virtualisation Platform Engineer or similar role. Strong understanding of virtualisation platforms and container orchestration tools. … Proficiency with automation and scripting (Terraform, Bash, Python). Experience with monitoring, alerting, and incident response tools. A passion for engineering excellence, automation, and operational efficiency. More ❯

CI/CD pipelines to streamline deployments. Ensure reliability, scalability, and performance across all systems. Implement Infrastructure-as-Code (IaC) using Terraform and scripting languages. Promote DevOps and SRE principles across the engineering function. What We're Looking For: Proven experience as a Virtualisation Platform Engineer or similar role. Strong understanding of virtualisation platforms and container orchestration tools. … Proficiency with automation and scripting (Terraform, Bash, Python). Experience with monitoring, alerting, and incident response tools. A passion for engineering excellence, automation, and operational efficiency. More ❯

Oracle) Spring, Hibernate Service-Oriented and Event-Driven Architectures and common Design patterns(Kafka streaming and Pub-Sub desirable) Delivering high quality, low complexity code Proven GCP experience An SRE mindset and proficiency in observability platforms, including Dynatrace and Splunk Hosting and server technologies Tomcat/JBoss, IIS, Nginx GitHub Extensive problem-solving skills and hands on experience with data More ❯