DevSecOps Engineer (Jenkins, Python)

📍 Client and contract: lead international bank | B2B 🗣️ Recruitment: phone screen with our recruiter + 2 on-line meetings with hiring managers 🗺️ Hybrid work: 6 days per month from the office in Cracow Ironwood Digital is an international company providing recruitment support within #Fintech, #Finance and #Banking market in EMEA. We connect the most innovative organizations with the best people in the market. We conduct systematic market research, which allows our Digital Teams to be a step ahead of the competition. We are looking for a highly experienced Senior DevSecOps | CI/CD Engineer to join a platform engineering team. The role focuses on designing, building and maintaining secure, efficient CI/CD pipelines and improving the organization’s software supply-chain security posture. You will work on pipeline optimization, Python tooling, artifact integrity, security scanning and mentoring engineers on DevSecOps best practices. What's in it for you? Prestigious position at one of the world's largest banks Stable, long-term projects Hybrid work (6 days per month from the office in Cracow) and flexible working hours Working with modern IT technologies Growth and development opportunities with the possibility to move between projects Private healthcare and multisport card Referral program, free parking and company events
Requirements:
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 metadata Supply-chain security (SLSA, CycloneDX SBOM, digests) Experience with SonarQube, Sonatype IQ, container and SAST scanning Proven performance tuning (caching, parallelization, dependency pruning) Compliance Awareness Nice to have: Artifact signing / attestations (cosign, OCI) GitOps or release automation experience GCP/AWS cloud experience
Must have: DevSecOps, Jenkins, Groovy, Python, Helm, CI/CD Pipelines
Nice to have: Cloud
Daily tasks: - 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 modeling)
– 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