Site Reliability Engineer

Site Reliability Engineer | £65,000–£95,000 DOE | Hybrid (Bristol-based, occasional site visits)
Clearance: Must be eligible for DV Clearance
Founded in 2019 by engineers solving complex cross-domain problems for government organisations, TwinStream delivers technical excellence and exceptional service to high-profile clients. Our teams work both on-site and remotely, supporting mission-critical systems where performance and reliability are paramount.
The Site Reliability Engineer Role:
We are seeking a Site Reliability Engineer (SRE) to ensure the availability, performance, and cost-effectiveness of our cloud and on-prem services. You will collaborate with software engineers and system administrators to improve observability, reduce downtime, and proactively mitigate reliability risks across a growing portfolio of services.
Key Responsibilities of the Site Reliability Engineer:
- Improve reliability and performance across multiple subsystems.
- Automate manual tasks and eliminate unnecessary alerts.
- Enhance monitoring capabilities to identify and resolve issues before they impact users.
- Support and optimise CI/CD pipelines and cloud infrastructure.
- Research and evaluate new tools to influence build-vs-buy decisions.
- Contribute to technical innovation across diverse stacks and environments.
What We’re Looking For:
- Experience with configuration management tools (e.g., Ansible, Chef).
- Proficiency with Terraform, Docker, and container orchestration (Kubernetes, OpenShift, or similar).
- Hands-on experience with CI/CD tools (Jenkins or equivalent).
- Knowledge of monitoring solutions (Prometheus, Grafana, InfluxDB).
- Familiarity with MQ messaging (RabbitMQ or similar).
- Linux administration, scripting, and network security protocols.
- Experience with cloud services (preferably AWS – EC2, RDS, S3, Lambda).
Desirable: Experience coding in Java, Go, or Python; cross-domain technologies; observability patterns; and service management environments.
Why Join TwinStream?
- Salary: £65,000–£95,000 (DOE & clearance level)
- Pension: 8% employer contribution
- Private Healthcare: Includes dental & optical cover for you & your family
- Learning & Development: £1,000 annual training budget
- Flexible Working: Hybrid & family-friendly culture
- Additional Perks: EV leasing scheme, 25 days’ holiday + bank holidays, life assurance, cycle-to-work scheme, and team events
Ready to Shape the Future of Mission-Critical Systems?
Apply now and join a team where innovation, reliability, and technical excellence drive everything we do.