SiteReliabilityEngineer UK (Remote) 6 Month Contract An excellent contract opportunity for a skilled SiteReliabilityEngineer to join a forward-thinking technology company. This is a trusted, high-impact engineering environment where a SiteReliabilityEngineer will be given real ownership, solving complex problems and building systems that directly … accelerate software delivery at scale. As a SiteReliabilityEngineer, 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 … system resilience. Clean, maintainable code, strong security practices, and expertise in modern cloud infrastructure are essential. SiteReliabilityEngineer - 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 ❯
Security Cleared SiteReliabilityEngineer - Contract Outside IR35 - 3 months+ -Hybrid We are seeking a Lead Operations/SiteReliabilityEngineer 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/SiteReliabilityEngineer 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 More ❯
SiteReliabilityEngineer (SC Cleared) Duration: 12 Months Rate: £675 per day Location: London & remote (hybrid working) IR35 Status: Inside Start: ASAP Role Overview: A SiteReliabilityEngineer (SC Cleared) is required for our government department to be part of a multidisciplinary team developing and supporting the clients data hub which provides access to … of openness and learning Provide technical leadership within the team and work alongside other team members to identify the best approaches and solutions Essential Skills & Experience required: As the SiteReliabilityEngineer (SC Cleared) you will possess the following skills and experience: A deep understanding of Linux operating system internals and comfortable working with Linux virtual machines More ❯
Role: SiteReliabilityEngineer Location: London or Manchester (2 days per week on-site + monthly team days rotating between locations) Duration: 6 months Rate: £675 per day (Inside IR35) Security Clearance: Must hold active SC clearance due to project timings Team Size: Core team of 10 within a wider programme of 60+ and expanding Experience … Level: 4+ years About the Role We're looking for an experienced SiteReliabilityEngineer to support a major central government programme, ensuring the reliability, scalability, and performance of critical digital services. You'll help shape modern cloud infrastructure and enable engineering teams to deliver secure and resilient platforms. Essential Requirements Technical Skills AWS Services: Strong … administration skills Leadership & Approach Technical Direction: Capable of providing technical leadership and mentoring without direct line management responsibilities System Design: Skilled in designing and implementing efficient, high-performing systems Reliability & Scalability: Focused on delivering robust, maintainable, and secure infrastructure solutions Collaboration: Comfortable working within cross-functional teams and engaging stakeholders across central government What You'll Be Doing Building More ❯
hold UKIC DV Clearance Are you passionate about reliability, automation, and supporting mission-critical systems? Join this global defence organisation as a SiteReliabilityEngineer (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 tools … 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 ❯
Wokingham, Berkshire, South East, United Kingdom Hybrid / WFH Options
Sanderson Government and Defence
Position: Senior & Principal SiteReliabilityEngineer 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 SiteReliabilityEngineer 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 ❯
Southampton, Hampshire, United Kingdom Hybrid / WFH Options
Square One Resources
Job Title: Senior SiteReliabilityEngineer Location: Hybrid - Southampton or Sutton - 2 days a week in the office Salary/Rate: Up to £560 inside IR35 Start Date: November 2025 Job Type: 6-month contract Company Introduction We are looking for a Senior SiteReliabilityEngineer to join our client, a global analytics organisation. … applications Diagnose complex system performance problems Work closely within cross-functional teams to refine system monitoring and reporting Identify and implement best practices by collaborating with other SREs and SRE teams Understand Infrastructure as a Service (IaaS) and its implementation methods. Identify and implement architectural best practices by collaborating with multiple teams and software engineers Diagnose complex system problems using More ❯
Job Title: SiteReliabilityEngineer Location: London or Manchester (Hybrid; 2 to 3 days per week onsite) Clearance: Active SC Clearance Contract Length: Initial 12 months Day Rate: £650-£675 p/d Inside IR35 We are partnering with a major government department in their search for an experienced SiteReliabilityEngineer to involved … transforming of complex and sensitive data into a modern, reliable data hub used across government and beyond. You'll work in a multidisciplinary team, solving complex problems, improving platform reliability, and building infrastructure that scales. This is a chance to have real impact on how the public sector shares data. We're looking for: Linux expert, comfortable with VMs More ❯
Job Title: SiteReliabilityEngineer Location: London or Manchester (Hybrid; 2 to 3 days per week onsite) Clearance: Active SC Clearance Contract Length: Initial 12 months Day Rate: £650-£675 p/d Inside IR35 We are partnering with a major government department in their search for an experienced SiteReliabilityEngineer to involved More ❯
Hereford, Herefordshire, West Midlands, United Kingdom
IO Associates
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 or an active SC with willingness to go through the DV process 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 or an active SC with willingness to go through the DV process More ❯
