Twinstream

Open

DV Site Reliability Engineer (Contract outside of IR35)

Location
Cheltenham
Employment type
Contract
Posted
Jun 10, 2026
Last seen
Aug 7, 2026

About the role

About Us

In 2019, the founders were working as engineers solving complex cross-domain problems within government organisations.

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:

  • Designing and maintaining reliable, scalab le physical and virtual in frastructure
  • Monitoring system performance and proactively resolving issues
  • Automating processes using tools such as Ansible to improve efficiency and consistency <span data-ccp-props="{"134233117":false,"134233118&a