Senior SiteReliabilityEngineer At UnlikelyAI, we are building the future of AI: one that is reliable, accurate and transparent. Our neurosymbolic technology harnesses the power of LLMs and generative AI, and combines it with classical symbolic technology to produce hallucination-resistant artificial intelligence for high-trust applications. To support our rapidly increasing commercial momentum, we're … looking for an experienced and pragmatic sitereliabilityengineer to join our exceptional team. This role is ideal for someone who has successfully scaled systems from prototype to production and enjoys working in cross-functional teams to champion cloud-native engineering. We are looking for someone with the experience and expertise to define, and own, our approach … to building for reliability and security as first-class citizens. This is a strategically important role for our technology team, as we rapidly approach entering full production in multiple projects. You'll work on a range of customer-facing and internal infrastructure projects, applying your engineering skills to solve complex reliability and scalability challenges. Your ability to build 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 ❯
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 ❯
Birmingham, West Midlands, United Kingdom Hybrid / WFH Options
Inspire People
team at the heart of the global economy! The Department for Business and Trade ('DBT') and Inspire People are partnering together to bring you an exciting opportunity for Senior SiteReliability Engineers to join a team that ensures DBT's digital services work as users expect, working with development teams giving them the tools for their job, including … service-level objectives. - Participate in an on-call rota (with allowance), helping to keep DBT services resilient and reliable. - Mentor junior engineers and contribute to the growth of the SRE function. Technologies you will work with include AWS, Azure, Terraform/CloudFormation, Docker, ECS, ECR, ElasticSearch, Python/Django, PostgreSQL (RDS), Redis, and more. Essential Criteria - Cloud experience with AWS … will be assessed against these requirements before being progressed to DBT. Shortlisted candidates will then be invited to interview and technical exercise. If you are a DevOps Engineer, SRE, or Systems Administrator looking to make a real impact across government digital services, apply today or contact Keesha Paulsen at Inspire People in confidence for more information. More ❯
cambridge, east anglia, united kingdom Hybrid / WFH Options
Speechmatics
The Role Speechmatics are seeking a SiteReliabilityEngineer (SRE) whose focus will be improving the reliability of our products, systems and infrastructure. You will work across teams to improve availability, scalability, performance and efficiency of our real-time AI inference APIs. You will get to work with high-scale GPU deployments spread across the world. … latency responses, making this is a really interesting problem space to learn about. What you'll be doing: Working with a diverse group of engineers across Speechmatics to improve reliability of our products and systems, from design through to operation in production. Taking part in incident response, postmortems and ensuring the same incident doesn't happen twice. Managing and More ❯
Lead Site Relability Engineer – EdTech – AWS, Kubernetes, Terraform Oliver Bernard are currently working with an established EdTech, based in London, looking to expand their SRE function with a Lead level engineer. The incoming profile will have the chance to work on a variety of greenfield projects, and be able to help grow and scale their SRE practices whilst … competes heavily with their sizeable competitors. To be considered for this opening you’ll need at least 7-8 years’ experience, encompassing the following: Recent experience in a Lead SRE capacity, coaching/mentoring other engineers Hands-On Cloud experience with AWS and AWS Services Expert knowledge of Containerisation with Docker and Kubernetes Strong Infrastructure as Code experience with Terraform … Engineers, able to offer £80-90K, and operates a remote first model (with only quarterly visits required). Please apply here to register interest in this opportunity. Lead Site Relability Engineer – EdTech – AWS, Kubernetes, Terraform More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
Lead Site Relability Engineer – EdTech – AWS, Kubernetes, Terraform Oliver Bernard are currently working with an established EdTech, based in London, looking to expand their SRE function with a Lead level engineer. The incoming profile will have the chance to work on a variety of greenfield projects, and be able to help grow and scale their SRE practices whilst … competes heavily with their sizeable competitors. To be considered for this opening you’ll need at least 7-8 years’ experience, encompassing the following: Recent experience in a Lead SRE capacity, coaching/mentoring other engineers Hands-On Cloud experience with AWS and AWS Services Expert knowledge of Containerisation with Docker and Kubernetes Strong Infrastructure as Code experience with Terraform … Engineers, able to offer £80-90K, and operates a remote first model (with only quarterly visits required). Please apply here to register interest in this opportunity. Lead Site Relability Engineer – EdTech – AWS, Kubernetes, Terraform More ❯
At Spire, the Space Reliability Engineering team's mission is to protect, provide for, and progress the reliable operation of Spire’s constellation of satellites, ground stations, and software through vigilant monitoring of availability, latency, performance, and capacity. We embrace the SiteReliability Engineering work style and apply it to Space. This role can be situated in … Glasgow, UK, Munich, Germany or Luxembourg City, Luxembourg. What You'll Do as a Software Engineer for the Space Reliability Engineering team: As a Software Engineer working with the Space Reliability Engineering team, you will be working with a small team in an agile environment. You will be working on systems and tools that improve the … teams across Spire to adapt user needs into system requirements and have the experience to collaborate and iterate on the resultant projects. 5+ years professional software engineering, devops , or SRE experience Demonstrated ability to apply data analysis techniques to solve complex technical and business problems Familiarity with Linux, including Bash scripting and basic system administration Familiarity with data analysis and More ❯