Site Reliability Engineer

Role:
Site Reliability Engineer

Location:

Manchester (on-site / secure environments)
Clearance: SC required | DV preferred
Employment:
Permanent or Contract
Salary/Rate:
Competitive + project allowances (DOE)

We are seeking a Site Reliability Engineer (SRE) to support mission-critical platforms within a secure, high-assurance environment. This role focuses on reliability, scalability, automation, and operational resilience across complex infrastructure and cloud-enabled services.

You will work within a collaborative engineering team ensuring systems remain secure, performant, and highly available to support critical national infrastructure and defence programmes.

• Maintain and improve reliability, availability, and performance of critical services
• Implement monitoring, alerting, and observability solutions
• Automate infrastructure provisioning and operational workflows
• Support incident response, root cause analysis, and post-incident reviews
• Improve system resilience through fault tolerance and self-healing design
• Collaborate with Dev Ops, platform, and security teams to enhance service stability
• Maintain documentation, runbooks, and operational procedures
• Ensure systems meet security and compliance requirements

• Linux systems administration
• AWS, Azure, or private cloud environments
• Virtualisation and container platforms

• Terraform, Ansible, Puppet, or similar
• CI/CD tooling (Git Lab CI, Jenkins, Azure Dev Ops)

• Docker & Kubernetes
• Container security & runtime reliability

• Prometheus, Grafana, ELK stack, Splunk, or similar
• Logging, metrics, tracing & alerting strategies

• High availability design & scaling strategies
• Load balancing & traffic management
• Performance tuning & capacity planning

• Active SC clearance (minimum) or eligibility
• DV clearance highly desirable
• Experience supporting production environments in secure or regulated sectors
• Strong troubleshooting and incident management skills
• Ability to work on-site within secure facilities

• Experience in defence, government, or critical infrastructure environments
• Knowledge of security hardening & compliance frameworks
• Scripting skills (Python, Bash, Power Shell)
• Understanding of Zero Trust and secure architecture principles

• Work on nationally significant, high-impact programmes
• Access to complex engineering challenges in secure environments
• Collaborative teams focused on engineering excellence
• Long-term programme stability and career development

Apply now to support secure, mission-critical systems that underpin national capability.