DV Site Reliability Engineer (Contract outside of IR35)

twinstream· Operations
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📍 Cheltenham

About this 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: 

  • 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: 

Due to the nature of the work and the sectors we support, any offer of employment will be subject to the successful completion of the relevant security screening and clearance process.

This role requires eligibility for [BPSS / SC / DV] clearance. As part of the vetting process, candidates must meet the UK Government's residency and right-to-work requirements associated with the required level of clearance.


Frequently Asked Questions

Is the salary disclosed for the DV Site Reliability Engineer (Contract outside of IR35) position at twinstream?
The salary for this DV Site Reliability Engineer (Contract outside of IR35) role at twinstream is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the DV Site Reliability Engineer (Contract outside of IR35) position at twinstream located?
This DV Site Reliability Engineer (Contract outside of IR35) role at twinstream is based in Cheltenham. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the DV Site Reliability Engineer (Contract outside of IR35) at twinstream belong to?
This DV Site Reliability Engineer (Contract outside of IR35) position is part of the Operations department at twinstream. See the full job description for more information about the team structure and responsibilities.
How do I apply for the DV Site Reliability Engineer (Contract outside of IR35) position at twinstream?
Click the "Apply Now" button on this page. You will be redirected to twinstream's official application portal hosted on greenhouse where you can submit your application directly.
When was the DV Site Reliability Engineer (Contract outside of IR35) job at twinstream posted?
This DV Site Reliability Engineer (Contract outside of IR35) position at twinstream was posted on Nov 11, 2025. Apply as soon as possible — early applications are often reviewed first.
DV Site Reliability Engineer (Contract outside of IR35)
twinstream
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