# Security Engineer at MatX

- Company: MatX
- What the company does: We make the best chips physically possible for the large model needs of frontier labs.
- Company website: https://matx.com
- Type: Startups
- Level: Mid level
- Location: Mountain View (HQ) or Remote
- Work setup: Remote
- Pay: $160K to $275K base salary per year (USD)
- Posted: 2026-09-16
- Apply by: 2026-10-31
- Apply: https://jobs.ashbyhq.com/matx/0d29836a-d726-47b8-9b81-d23e0e69014d
- Page: https://www.1752.vc/careers/jobs/matx-security-engineer/

## About the role

Own and grow our supply chain and build integrity program - dependency and third-party IP provenance, artifact signing and code signing infrastructure, SBOM generation and consumption, reproducible builds, and hardening of CI/CD systems, build caches, and build runners. This is a priority area for us and the part of the role with the most room to define itself

## What they're looking for

- Strong software engineering skills. You write and ship production-quality code (Go, Python, Rust, or similar) and are comfortable reading code in languages you don't write. You've built tools other engineers chose to use
- Working knowledge of at least one major cloud provider (GCP, AWS, or Azure) - IAM models, network architecture, secrets management, logging - and the appetite to go deep on the parts you haven't owned yet
- A track record of shipping fixes with development teams rather than filing tickets at them. You've been the security person engineers actually wanted in the room
- Comfort operating with ambiguity and breadth. You can prioritize the small number of things that actually reduce risk, say no to the rest, and explain both decisions to engineers and to leadership
- Direct experience implementing supply chain security tooling and standards - Sigstore/cosign, SLSA or equivalent build integrity frameworks, SBOM formats, reproducible builds
- Experience with containers and infrastructure-as-code (Terraform or equivalent)

Tags: Hardware