Site Reliability Engineer (SRE) - Defence / National Security
Location: Farnborough
Salary: £75k
Full - Time (3 days a week onsite)
We are looking for an experienced Site Reliability Engineer to join a team working in defence and national security environments. This is a hands-on role focused on building secure, automated, and highly reliable platforms, combining engineering, design, and DevOps principles.
You'll work closely with platform engineers, infrastructure teams, operational stakeholders, and project managers to take requirements from early design and proof-of-concept through to production. This role is ideal for someone curious, detail-oriented, and comfortable in complex, regulated environments, with a passion for automation, resilience, and secure-by-design infrastructure.
The Role:
Designing, delivering, upgrading, and maintaining core platforms, services, and automations
Building and improving monitoring, alerting, and observability platforms
Designing secure infrastructure using automation-first approaches
Creating and productionising proofs of concept for new tools and technologies
Diagnosing and resolving performance, reliability, and availability issues
Supporting architecture, documentation, and non-functional requirements
Mentoring engineers and helping improve DevOps and SRE practices
Essential experience:
Strong experience with Linux (Ubuntu) and Windows Server
Good knowledge of Linux administration
Skilled in scripting: Bash, Python, PowerShell, or similar
Experienced with DevOps/automation tools: Ansible, Terraform, CI/CD, Git
Familiar with cloud platforms, especially Azure
Knowledge of configuration management (e.g., DSC)
Excellent problem-solving skills
Willingness to learn new technologies
Able to handle multiple projects in a fast-paced environment
Desirable experience:
Strong problem-solving and analytical skills
Experience with Infrastructure as Code (IaC) - Terraform, ARM templates
Knowledge of security best practices
Configuration as Code: DSC, Ansible, or similar
Linux (Ubuntu, RHEL/CentOS) and Windows Server administration
Containerisation & orchestration: Docker, Kubernetes
Version control and configuration management: Git/GitLab
Project and issue tracking tools: JIRA or similar
Cloud platforms: Azure / Azure Stack Hub
Monitoring and alerting: Nagios, Splunk, or similar
Strong communication and documentation skills
Experience with large-scale system deployment
Advocate for DevOps and Agile practices
Able to work closely with teams and customers
Benefits:
A collaborative, inclusive culture with strong benefits including competitive pay, bonus, pension, private healthcare, generous leave, professional development, wellbeing perks, and modern on-site facilities
UK Security Clearance
Due to the secure nature of the position and working environment, you must be a UK sole national and either have, or be eligible to obtain Security Clearance .
To apply or find out more information on the role please send your CV
TPBN1_UKTJ