About Us
In 2019, the founders were working as engineers solving complex cross-domain problems within government organisations.
Company Overview
TwinStream was formed to bring together their collective expertise and experience into a single business, focused on delivering technical excellence and high‑quality service to clients.
Since then, the company has grown to over 100 team members across the UK, with colleagues working both on‑site with clients, hybrid and remotely from home.
Day Rate: £500 – £650
Location: Hybrid working in Cheltenham (3–4 days) with possible 24/7 call‑out when on rota
Security Clearance: Must have live DV Clearance
About The Role
Our cross‑domain services are used in high‑profile government organisations. The demand for these services continues to grow in both scope and scale. We are seeking an experienced Site Reliability Engineer to help satisfy that demand. As an SRE you will be responsible for ensuring the availability, performance and cost effectiveness of these services. You will be working with multiple feature development teams and the BAU/Support team to define and evolve our cloud & on‑prem infrastructure & delivery pipelines, improving system observability, demonstrating performance and capacity improvements and proactively identifying and mitigating reliability risks.
Key Responsibilities Of The Site Reliability Engineer
- Collaborate with Software Engineers to improve reliability and performance in their subsystems
- Partner with System Administrators in automating toil and eliminating alerts
- Evolve observability and monitoring capabilities to identify and solve problems before they impact the business
- Support development environments to help us achieve our delivery and quality goals
- Research and evaluate technologies, tools and services to influence buy‑vs‑build decisions
- Develop expertise in diverse technical and business domains
- Expand your knowledge of the technical stacks used
Skills & Experience Required
- Experience using modern configuration management tools (such as Ansible, Chef or similar)
- Experience working with Terraform
- Experience working with Docker containers & container orchestration tools (such as Kubernetes, OpenShift or Docker Swarm)
- Experience both using and maintaining CI / CD tools (such as Jenkins or similar)
- Experience with monitoring tools such as InfluxDB, Prometheus or Grafana.
- Experience of event‑driven integration with MQ messaging (RabbitMQ or similar AMQP solution)
- Good understanding of relational databases and SQL
- Linux command line, administration and shell scripting
- Working knowledge of network security protocols
- Experience using, developing with and maintaining cloud hosting services (ideally AWS EC2, RDS, S3, Lambda)
Desirable Skills
- Industry experience writing well‑tested code in one of our platform languages (Java, Go, Python or similar)
- Knowledge of cross domain principles & technologies
- Experience of working in a service management environment
- Practical applications of using observability patterns in previous systems
- Creating and monitoring system availability metrics and using those to drive work that reduces downtime
- Experience in Azure
Diversity & Inclusion
We’re committed to building a diverse and inclusive workplace. We welcome applications from people of all backgrounds, experiences, and identities. If you need any adjustments during the recruitment process, please let us know. We’re here to support you.
Further Information
To meet the security requirements of certain clients and industries we serve, any job offer will be contingent upon the successful completion of a security screening process.
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