Site Reliability Engineer Day Rate: £500 - £600 Location: Hereford (Hybrid working) Security Clearance: Must have at least SC clearance and be eligible for DV clearance Contract Type: Contract (Outside IR35) We're currently recruiting for an experienced Site Reliability Engineer to support the growth and reliability of a suite of cross-domain services used in complex, high-demand environments. This is a key role focused on ensuring service availability, performance, and cost-efficiency across both cloud and on-prem infrastructure. You'll work closely with development and support teams to evolve infrastructure, enhance observability, and proactively mitigate reliability risks. Key Responsibilities: Collaborate with software engineers to improve reliability and performance Automate operational tasks and reduce alert fatigue Enhance monitoring and observability to pre-empt issues Support development environments to meet delivery goals Evaluate tools and technologies to guide build vs. buy decisions Develop expertise across technical and business domains Required Skills & Experience: Strong experience with configuration management tools (e.g., Ansible, Chef) Proficiency with Terraform Hands-on experience with containerisation and orchestration (e.g., Kubernetes, OpenShift) CI/CD pipeline experience (e.g., Jenkins) Monitoring tools (e.g., Prometheus, Grafana, InfluxDB) MQ messaging experience (e.g., RabbitMQ) Solid understanding of SQL and relational databases Linux administration and shell scripting Familiarity with network security protocols Experience with cloud platforms, ideally AWS (EC2, RDS, S3, Lambda) Desirable: Coding experience in Java, Go, Python or similar Knowledge of cross-domain technologies Experience in service management environments Practical application of observability patterns Experience with Azure Additional Information: Due to the nature of the work, successful candidates will be required to undergo security vetting. We welcome applications from all backgrounds and are committed to creating an inclusive recruitment process. If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)