Hadrian
Security Engineer, Full Stack
$160K–$230K
Seattle/Bellevue Area, WA +1 · On-site · Full-time · Posted Sep 17, 2026
- Location
- Seattle/Bellevue Area, WA
San Francisco Bay Area, CA - Experience
- 4+ years in security engineering, software engineering, or infrastructure/platform engineering, with hands-on security ownership.
- Visa sponsorship
- Must be a U.S. citizen or national, lawful permanent resident, protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain required authorizations from the U.S. Department of State, to comply with ITAR requirements.
About the job
Build and own security across Hadrian’s software, cloud, identity, Kubernetes, and factory operational technology as the company expands its Factory-as-a-Service platform.
What you'll do
- Secure applications, cloud infrastructure, Kubernetes, identity and authorization, and factory-floor and OT systems.
- Develop automation, agentic tooling, guardrails, and engineering controls for compliance requirements including CMMC 2.0 / NIST 800-171 and ITAR.
- Investigate and resolve security incidents, then implement systemic improvements.
What they ask for
- 4+ years in security engineering, software engineering, or infrastructure/platform engineering, including hands-on security ownership.
- Write code in Go, Python, or similar and build security tooling and guardrails.
- Familiarity with agentic loops, task delegation, LLM agents, and automation.
- Breadth across application security, cloud and Kubernetes security, identity/authorization, and networking.
Nice to have
- GCC High administration or migration experience; security experience in manufacturing or OT environments.
- Familiarity with ITAR/EAR and CUI marking and handling requirements; ability to mentor and grow a team.
Pay
$160,000 - $230,000 USD base salary
Tools
Go, Python, AWS, GCP, Kubernetes, LLM
AI focus
Build agentic tooling and automation loops, including AI-driven security checks; familiarity with building with or on LLM agents and automation.
Model-written summary · the original posting is authoritative