DevX Build Pipeline/DevOps Engineer CGEMJP

Role Title: DevX Build Pipeline/DevOps EngineerDuration: contract to run until 30/11/2026Location: Hybrid. Sheffield, 3 days onsite with additional need to travel to other offices within the UKRate: up to £538.20 p/d Umbrella inside IR35Role purpose/summaryOwn and evolve our Jenkins Shared Library powering multi-language builds (Java/Maven, Node/NPM, Python, Helm, Terraform, containers). Deliver fast, secure, provenance-rich pipelines (SLSA, SBOM, digests) and strengthen supplychain integrity across teams.Core Responsibilities:Design and maintain Groovy pipeline steps (build, test, package, scan, deploy).Extend Python tooling for SLSA provenance, SBOM generation, hash/digest accuracy, and security scan aggregation (SonarQube, Sonatype IQ, SAST/Container).Optimize performance (parallel builds, caching, scope-reduced BOMs, dependency prefetch).Ensure artifact integrity (correct SHA1/SHA256 mapping, reproducible inputs, evidence modelling).Refactor Legacy scripts (remove global state, consolidate hashing, standardize templates).Document ci-config.yaml standards and usage patterns.Mentor engineers on secure pipeline development and supply-chain practices. Troubleshoot and prevent pipeline incidents.Essential Skills: 7+ years engineering; 3+ in CI/CD platform or DevSecOps.Strong Jenkins + Groovy shared library expertise.Advanced Python automation (JSON/YAML processing, tooling scripts).Deep Maven/NPM/Python packaging knowledge; exposure to Helm/Terraform and container image ..... full job details .....