Site Reliability Engineer - Twinstream Limited : Job Details

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.