Site Reliability Engineer

3 weeks ago

London, United Kingdom Twinstream Limited Full time

Site Reliability Engineer | Bristol (3 days onsite, 2 days remote) | £65,000–£95,000 DOE Join a Team That Builds the Backbone of Secure, High-Performance Systems In 2019, a group of engineers solving complex cross-domain challenges inside government organisations decided to take things further — and TwinStream was born. Our mission? To deliver technical excellence, operational reliability, and exceptional client service for some of the UK's most high-profile government projects. Now, we're growing — and we're looking for a Site Reliability Engineer (SRE) who's ready to shape the next generation of resilient, high-impact infrastructure. Key Responsibilities of the Site Reliability Engineer: As a TwinStream SRE, you'll sit at the heart of our operation — ensuring the availability, performance, and cost-effectiveness of mission-critical cross-domain services. You'll work closely with feature development teams and our BAU/Support engineers to: Drive reliability, performance, and scalability across cloud and on-prem systems Automate toil, reduce alert fatigue, and evolve monitoring capabilities Build and refine CI/CD pipelines to enable seamless delivery Strengthen observability and proactively prevent issues before they impact users Evaluate cutting-edge tools, frameworks, and cloud solutions to keep us ahead of the curve Expand your expertise across diverse technical domains and architectures What You'll Bring: Proven experience with Azure and modern infrastructure management tools (Ansible, Chef, etc.) Strong hands-on experience with Terraform, Docker, and Kubernetes/OpenShift/Docker Swarm Deep understanding of CI/CD pipelines (e.g. Jenkins), monitoring tools (Grafana, Prometheus, InfluxDB), and event-driven messaging (RabbitMQ or similar) Confident with Linux, SQL, and network security protocols Familiar with AWS services (EC2, S3, Lambda, RDS) Bonus points if you have: Experience coding in Python, Java, or Go Knowledge of cross-domain technologies or service management environments Hands-on experience applying observability patterns and building availability metrics Why You'll Love Working Here: 8% employer pension contribution — invest confidently in your future Private medical healthcare (including dental & optical) for you and your family Learning and development budget — own your career growth Flexible working culture — 3 days onsite, 2 from home Electric Vehicle salary sacrifice scheme 28 days holiday + bank holidays Team events & celebrations — quarterly meetups, summer & Christmas parties Cycle to work scheme & life assurance for peace of mind Security Requirements Due to the nature of our work, successful candidates will need to beeligible for SC and/or DV clearance . Ready to Build What Matters? If you're passionate about automation, resilience, and solving complex infrastructure challenges that make a real impact — we'd love to hear from you. Apply nowand join TwinStream, where your engineering skills keep the UK's most vital systems running smoothly.TPBN1_UKTJ

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