Site Reliability Engineer

Site Reliability EngineerBristol / Hybrid£70,000 - £110,000 DOE + Excellent Benefits

Ready to shape the future of secure, high-performance systems? Join TwinStream.

At TwinStream, we don't just build technology-we solve complex, mission-critical challenges for high-profile government clients. Formed by engineers for engineers, we're driven by a passion for technical excellence and exceptional service delivery.

Our teams thrive in a culture of trust, innovation, and flexibility-whether embedded with clients or collaborating remotely. We're growing fast, and right now we're looking for an experienced Site Reliability Engineer (SRE) to strengthen our infrastructure and keep our cutting-edge systems running at peak performance.

The Site Reliability Engineer role:

As an SRE, you'll play a vital role in maintaining the reliability, performance, and scalability of our cross-domain services. You'll partner closely with engineering and support teams to evolve infrastructure, automate processes, and proactively eliminate downtime.

Expect to:

Improve system performance and observability across cloud and on-prem environmentsAutomate repetitive tasks and reduce alert fatigueStrengthen our CI/CD pipelines using modern toolingResearch and implement tools to improve reliability, scalability, and cost-efficiencySupport both live and development systems with critical monitoring and responseSkills & Experience:

Configuration management (Ansible, Chef, etc.)Terraform & Infrastructure-as-CodeDocker containers and orchestration (Kubernetes, OpenShift, etc.)CI/CD tools like JenkinsObservability tools (Grafana, Prometheus, InfluxDB)MQ messaging systems (RabbitMQ or similar)Strong Linux skills, shell scripting, and networking fundamentalsExperience with AWS (EC2, S3, RDS, Lambda)What's on Offer?

We're not just another tech company-we offer real impact, cutting-edge projects, and a genuine investment in your growth;

£1,000 annual training budget - Drive your own developmentPrivate medical care (including dental & optical) for you and your familyEV salary sacrifice scheme - Drive green, save money25 days holiday + bank holidaysFlexible & hybrid working - Your work, your rhythm8% employer pension contributionCycle to work schemeRegular team socials - From quarterly meets to summer and Christmas partiesLife assurance - For added peace of mindReady to apply?

If you're ready to work on systems that matter, in a company that puts people and engineering first-we want to hear from you. APPLY NOW for this Site Reliability Engineer position.

Note: All roles require eligibility for DV (Developed Vetting) security clearance