Site Reliability Engineer | Bristol, Hybrid (3 days onsite, 2 from home) | Up to £95K & Great Benefits

Ready to take on high-impact engineering challenges that actually matter? Want to work on mission-critical systems used across the UKs most high-profile government organisations?

This is your chance to join TwinStream a team of elite engineers who built their careers cracking complex cross-domain problems, and then built a company to do it even better.

Were growing fast. Demand for our services is skyrocketing. And now were looking for a Site Reliability Engineer whos ready to step into a role with real ownership, real influence, and real opportunities to innovate.

Why Youll Love This Role

As our new SRE, youll be right at the heart of our evolving cloud and on-prem platforms. This isnt a keep the lights on jobits a role where youll shape infrastructure strategy, partner closely with software and systems teams, and push performance, reliability, and automation to the next level.

You’ll help us evolve observability, enhance delivery pipelines, eliminate toil, drive reliability metrics, and make smart technical decisions that keep our systems robust as we scale.

If you love solving gnarly problems, improving how things work, and innovating at speedthis is the role for you.

Key Responsibilities of the Site Reliability Engineer:

Collaborating with Software Engineers to improve subsystem reliability and performance

Partnering with System Administrators to automate toil and cut down alert noise

Taking observability to the next levelfind issues before they hit the business

Supporting development environments to boost speed and quality

Researching & evaluating tools to guide key buy-vs-build decisions

Deepening your expertise across multiple technical and business domains

Expanding your knowledge of diverse tech stacks and platforms

What You Bring

Modern configuration management tools (Ansible, Chef or similar)

Terraform

Docker containers & orchestration (Kubernetes, OpenShift, Docker Swarm)

CI/CD tooling (Jenkins or similar)

Monitoring/metrics stack (InfluxDB, Prometheus, Grafana)

MQ messaging (RabbitMQ or other AMQP solutions)

SQL & relational databases

Linux administration & shell scripting

Network security fundamentals

Cloud hosting (ideally AWS: EC2, RDS, S3, Lambda)

Bonus points for:

Experience with Java, Go, Python or similar

Knowledge of cross-domain principles & tech

Service management experience

Hands-on observability implementation

Proven ability to reduce downtime with smart reliability metrics

Why Youll Love Working at TwinStream

Competitive salary, £65k - £95k DOE

8% employer pension contribution

Private medical healthcare (including dental & optical for the whole family)

Flexible working culture

Learning & development owned by YOU

Electric vehicle salary-sacrifice scheme

28 days holiday + bank holidays

Regular team events, plus Christmas & summer parties

Life assurance & cycle-to-work scheme

Security Clearance

Youll need to be eligible for SC and/or DV clearance. Any offer will be subject to successful security screening.

Ready to engineer impact?

Apply now and shape the future of secure, high-performance cross-domain systems.

TPBN1_UKTJ