DevSecOps Engineer

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.  

Are you passionate about secure, high-performance CI/CD systems and cutting-edge DevSecOps practices? We are looking for a DevSecOps Engineer to own and evolve our Jenkins Shared Library, which powers multi-language builds including Java/Maven, Node/NPM, Python, Helm, Terraform, and container images.

Your work will strengthen supply-chain integrity, deliver secure, provenance-rich pipelines (SLSA, SBOM, digests), and ensure a seamless developer experience across teams.

Sounds like your kind of challenge? 

#LI-Hybrid

What you get in return

Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.)

Hybrid work setup – 6 days per month in the office in Kraków 

Collaborative team culture – work alongside experienced professionals eager to share knowledge 

Continuous development – access to training platforms and growth opportunities 

Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more 

High quality equipment – laptop and essential software provided

Daily tasks

• Design and maintain Groovy pipeline steps for build, test, package, scan, and deploy workflows.
• SLSA provenance and SBOM generation
• Hash/digest validation
• Security scan aggregation (SonarQube, Sonatype IQ, SAST, Container scans)
• Optimize pipeline performance (parallel builds, caching, reduced BOM scope, dependency prefetch).
• Guarantee artifact integrity through SHA1/SHA256 mapping and evidence modeling.
• Refactor legacy scripts for maintainability and standardization.
• Document ci-config.yaml patterns and enforce best practices.
• Mentor engineers on secure pipeline development and compliance practices.
• Troubleshoot and proactively prevent pipeline-related incidents.

Requirements

7+ years of engineering experience , with 3+ years focused on CI/CD platforms or DevSecOps.

Solid expertise in Jenkins, Kubernetes (K8s) and Groovy Shared Libraries .

Advanced Python automation scripting (JSON/YAML processing, CLI tooling).

Strong understanding of Maven, NPM, Python packaging ; familiarity with Helm, Terraform, and container metadata.

Hands-on experience with supply-chain security , including SLSA frameworks, SBOM formats (CycloneDX), and cryptographic digests.

Security tools knowledge: SonarQube, Sonatype IQ, SAST, container scanning .

Proven track record in performance optimization of CI/CD pipelines.

Awareness of compliance and secure coding practices.

Nice-to-Have

Experience with artifact signing/attestations (e.g., cosign, OCI standards).

Hands-on knowledge of publishing Terraform modules and Helm charts.

Exposure to GitOps or automated release management.

Proficiency with major cloud providers, especially GCP or AWS .

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.

Must have: Jenkins, Kubernetes, K8s, Groovy, Python, JSON, YAML, CLI, Maven, npm, Helm, Terraform, Security, SonarQube, SAST, CI/CD

Nice to have: Terraform modules, Helm Charts, Cloud, GCP, AWS