Site Reliability Engineer (Contract – Outside IR35) | Hybrid – Hereford (with occasional site visits) | Day Rate: £500–£600

Overview

TwinStream is a technology partner delivering cross-domain and cloud infrastructure solutions to high-profile government programmes. We seek an experienced Site Reliability Engineer (SRE) to own reliability, drive automation and keep our systems performing flawlessly.

Key Responsibilities

• Partner with Software Engineers to enhance reliability and performance across complex systems.
• Collaborate with SysAdmins to automate toil and eliminate manual intervention.
• Build smarter monitoring, logging and observability pipelines to detect and resolve issues early.
• Support and improve development environments to hit delivery and quality goals.
• Research new tools, services and architectures to drive scalability and resilience.
• Expand expertise across both cloud and on‑prem environments.

What You’ll Bring

• Proven experience with Terraform and modern configuration tools (Ansible, Chef, etc.).
• Skilled with Docker and Kubernetes/OpenShift/Docker Swarm.
• Hands‑on experience building and maintaining CI/CD pipelines (e.g. Jenkins).
• Deep understanding of monitoring & observability tools (Grafana, Prometheus, InfluxDB).
• Solid grounding in Linux, network security, SQL and AWS (EC2, S3, RDS, Lambda).
• Comfortable with MQ messaging (RabbitMQ or similar).

Bonus Points For

• Experience with Azure environments.
• Strong coding ability in Python, Java or Go.
• Knowledge of cross‑domain systems or service management frameworks.
• Proven application of observability and uptime metrics to reduce downtime.

The Offer

• Contract position outside IR35.
• £500–£600 per day (DOE).
• Hybrid working from Hereford with occasional travel to other sites.
• Possible 24/7 on‑call rota (with premium compensation).
• Work on secure, high‑impact projects that make a real difference.
• Collaborate with some of the UK's best engineers in an agile, forward‑thinking environment.

Security Clearance

Due to the nature of our projects, candidates must be eligible for DV Clearance.

Apply Now

If you are an experienced SRE who thrives on solving complex infrastructure challenges, driving automation, and delivering secure, high‑performance systems, we want to hear from you.

Send your CV to the hiring team and join TwinStream—where your engineering skill keeps critical systems running reliably.