We make the best chips physically possible for the large model needs of frontier labs.
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)
More about this role
MatX is on a mission to be the compute platform for AGI. We are developing vertically integrated full-stack solutions from silicon to systems, including hardware and software, to train and run the largest ML workloads for AGI. MatX is seeking a Senior Security Engineer to join our team as we create best-in-class silicon for high-performance and sustainable GenAI. The successful candidate for this role will be responsible for securing the software, build systems, and cloud infrastructure that MatX products are designed, verified, and delivered on.
As a Security Engineer reporting to our Security Lead, you'll work across a stack that spans RTL design flows, compilers and kernels, ML training infrastructure, and the cloud environments that host all of it. This is a generalist role by design. We are a startup, and we would rather hire one engineer who can move between breaking things, reviewing code, and hardening infrastructure than three specialists who each own a slice.
Your week might include a threat model with the compiler team, an adversarial look at an internal service, and a redesign of how our build artifacts get signed. Two areas in particular are where we want this hire to...
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