Site Reliability Engineer
| Posting date: | 02 September 2025 |
|---|---|
| Salary: | £65,000 to £95,000 per year |
| Hours: | Full time |
| Closing date: | 02 October 2025 |
| Location: | BS1 |
| Remote working: | On-site only |
| Company: | Pioneering People |
| Job type: | Permanent |
| Job reference: | HS/H281/SRE-3009-43919 |
Summary
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.