Senior Systems Engineer – GitHub Enterprise Tooling (Remote, UK) Contract - 12 months initially £500-£600 p/day (paid through an umbrella company) Can be fully remote but the office is in London (may require very occasional trips to the office) A leading enterprise organisation is looking for a Senior Systems Engineer with strong experience in GitHub Enterprise, infrastructure automation, and modern development practices. You’ll join a newly formed team responsible for building tools and automation that improve how GitHub is managed across the business. The role is hands-on and code-heavy, with a strong focus on GitHub API integration, policy enforcement, and operational tooling. Key Responsibilities: Design and build scalable tools to manage GitHub Enterprise environments. Automate organisation and repository setup, policy enforcement, and lifecycle management. Develop GitHub Apps and Actions to maintain code quality and security standards. Integrate GitHub with internal systems such as identity providers and compliance tools. Use languages like Go, Python or Java to interact with APIs and develop robust systems. Support adoption of automation and emerging tools like GitHub Copilot (AI). Collaborate with internal DevOps, Security and Platform teams. What You’ll Need: Strong coding skills in Go, Python or Java. Deep experience with GitHub Enterprise, GitHub APIs (REST & GraphQL), Actions, and Apps. Background in Ops, Infrastructure or SRE roles with a focus on automation. Familiarity with modern SDLC practices, security tooling, version control and testing frameworks. Experience using Infrastructure as Code tools (e.g. Terraform). Strong problem-solving ability and a proactive mindset. Nice to Have: Hands-on experience with AI developer tools like GitHub Copilot. Knowledge of Docker, Kubernetes, and cloud platforms like AWS or Azure. Understanding of security in DevOps environments. Why Apply? Be part of a high-impact team shaping how GitHub is used across a major organisation. Work on projects that affect thousands of engineers globally. Opportunities to innovate with the latest tooling and AI. Remote-first, collaborative work environment If this sounds like you please apply now for more details, thanks