Principal Engineer, Software Supply Chain Security

Git Lab is an open-core software company that develops the most comprehensive AI-powered Dev Sec Ops  Platform, used by more than 100,000 organizations. Our mission is to enable everyone to contribute to and co‑create the software that powers our world. When everyone can contribute, consumers become contributors, significantly accelerating human progress. Our platform unites teams and organizations, breaking down barriers and redefining what's possible in software development.

Thanks to products like Duo Enterprise and Duo Agent Platform, customers get AI benefits at every stage of the SDLC.

The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. Git Lab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems.

Co-create the future with us as we build technology that transforms how the world develops software.

As the Principal Engineer, Software Supply Chain Security, you’ll own the technical strategy that secures how software is built and delivered on Git Lab’s Dev Sec Ops  platform. You’ll provide architectural leadership across multiple engineering teams. You’ll also partner closely with infrastructure and CI/CD teams to harden our pipelines, infrastructure, and access layers. Your work will shape Git Lab’s enterprise security posture in the rapidly growing software supply chain security market.

You’ll focus on SLSA Level 3 compliance, secrets management, CI/CD security hardening, and the foundations of Git Lab’s global zero‑trust architecture. You’ll mentor Staff Engineers and individual contributors, guide critical technical decisions, and also act as a spokesperson with customers and external stakeholders for Git Lab’s secure, mission‑critical SaaS that runs millions of pipelines.

• SLSA Level 3 compliance and provenance attestation across Git Lab’s CI/CD platform
• Integrated secrets management and runner security for container‑isolated, secure pipelines

• Lead the end‑to‑end software supply chain security architecture for Git Lab’s CI/CD platform, including SLSA Level 3 implementation and CI infrastructure hardening.
• Drive cross‑team technical strategy and decisions across our Software Supply Chain Security (SSCS) stage teams, aligning engineering work to SSCS strategic plans.
• Collaborate with infrastructure and CI/CD teams to design and land long‑term initiatives for secure, scalable runner architecture, container isolation, and pipeline security at scale.
• Propose and validate technical implementations that support architectural changes to improve CI/CD scaling and performance on critical paths.
• Teach, mentor, and coach Staff Engineers and individual contributors, raising the bar on supply chain threat modeling, secrets management, artifact signing, and SBOM lifecycle practices.
• Partner with Engineering Managers and senior leadership to define roadmaps, break down complex initiatives, and enable Staff Engineers to lead sub‑department‑wide efforts.
• Engage with customers and external stakeholders as a technical consultant and spokesperson for Git Lab’s software supply chain security capabilities and roadmap.
• Collaborate with product, security, and compliance stakeholders to ensure features meet enterprise security, governance, and regulatory expectations in the software supply chain security market.

• Deep expertise in software supply chain security, including threat modeling for supply chain attack vectors, SLSA implementation and attestation systems, and SBOM generation and lifecycle management.
• Strong knowledge of artifact signing and verification using the Sigstore ecosystem, including Cosign, Fulcio, Rekor, and in‑toto attestations.
• Experience designing and hardening CI/CD security, such as runner isolation,…