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Vallum Associates
DevOps Engineer

DevOps Engineer

Hybrid

Sheffield, United kingdom

Freelance

07-01-2026

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Skills

Python Kubernetes Jenkins Test GCP Maven Terraform

Job Specifications

Experience with relevant Kubernetes, GCP, Python, and Jenkins/Tekton

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,
Optimize performance.
Ensure artifact integrity.
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: -

5+ years of engineering.
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 metadata.
Supply-chain security (SLSA, CycloneDX SBOM, digests).
Experience with SonarQube, Sonatype IQ, containers, and SAST scanning.
Proven performance tuning (caching, parallelization, dependency pruning).

About the Company

Vallum Associates offer best in class talent acquisition on a contingency, retained, or project basis. Through our dedicated sector consultants, our specialised brands have the knowledge and connections to provide tailored hiring and project services across industries : * Banking & Financial * Energy, Utilities & Commodities * Engineering & Renewable * Insurance Services Our specialised industry and sector specific consultants are able to offer a personalised experience to fit your needs. Our unique associate consultativ... Know more