Site Reliability Engineer Day Rate: £500 - £600 Location: Hybrid - 3-4 days on site per week - Herefordshire (occasional travel to other UK sites) Contract Position Availability: On-call rota (24/7 when required) Security Clearance: SC clearance required Start Date : ASAP 3-month rolling contract Overview We're looking for a Site Reliability Engineer (SRE) to join our client's growing cross-domain services team, supporting critical systems used by major UK government organisations. As part of this dynamic environment, you'll play a key role in ensuring our platforms remain highly available, performant, and cost-efficient. You'll collaborate closely with software development, support, and operations teams to improve cloud and on-prem infrastructure, optimise CI/CD pipelines, enhancesystemobservability, and proactively manage reliability risks across complex environments. Key Responsibilities Partner with Software Engineers to enhance system reliability, scalability, and performance. Collaborate with System Administrators to automate repetitive tasks and streamline alerts. Advance monitoring and observability practices to identify and resolve issues before they affect users. Support development and testing environments to help meet delivery and quality objectives. Research, evaluate, and recommend tools and technologies to improve operational efficiency. Develop a deep understanding of the technical ecosystem, contributing to both cloud and on-prem solutions. Essential Skills & Experience Strong background with configuration management tools (e.g. Ansible, Chef, Puppet). Hands-on experience with Terraform for infrastructure as code. Expertise with containerisation and orchestration (Docker, Kubernetes, OpenShift, or Swarm). Skilled in CI/CD pipeline tools (e.g. Jenkins, GitLab CI). Proficient with monitoring and observability tools (Grafana, Prometheus, InfluxDB). Experience integrating event-driven systems using MQ solutions (RabbitMQ or similar). Strong knowledge of SQL and relational databases. Advanced Linux administration and shell scripting skills. Familiarity with network security protocols. Experience deploying and maintaining systems on AWS (EC2, RDS, S3, Lambda). Desirable Skills Programming experience in Java, Go, or Python. Understanding of cross-domain technologies and security models. Background in service management environments and ITIL practices. Proven application of observability patterns and system health metrics. Experience with Microsoft Azure cloud services. For more information, send your CV to Ryan at Services Advertised are those of an Employment Business