Member of Technical Staff (Security, Engineering, Research) is open at Security Level 5 in San Francisco, CA. The posting gives a salary of $200K - $350K. Posted on Jun 23, 2026, and still on Security Level 5’s careers page when we last checked, on Nov 15, 2026.
About the role
What you'd work on - Designing and operationalizing the network architecture, machine, physical, personnel, or supply chain security needed to implement an SL5 datacenter - Threat modeling AI training infrastructure against nation-state adversaries - Red-teaming critical AI infrastructure - Designing and running experiments to assess productivity impacts of SL5 on frontier AI workloads - Building custom security…
The opening lines of the posting. The rest is on Security Level 5’s careers page.
Hiring at Security Level 5
Security Level 5 has 11 open roles right now. Most are in Engineering, Security and Data & Research. See all its roles