Staff Platform Security Engineer
Summary
Hands-on Staff Platform Security Engineer at Firestorm, a defense manufacturer of autonomous aircraft and deployable microfactories in San Diego. You build and harden security for Crucible — the software running its manufacturing network — across cloud, Kubernetes, edge, and air-gapped environments, including identity, supply-chain security, and ATO accreditation support.
Who We Are
About the Role
What You’ll Do
- Drive platform security execution — Own security improvements from design through implementation across Crucible, cloud infrastructure, and edge deployments.
- Build security into the platform — Implement authentication, authorization, secrets, data protection, and system boundaries in product and infrastructure code.
- Secure cloud and edge deployments — Harden Kubernetes, cloud infrastructure, Linux systems, and air-gapped environments.
- Own identity and trust — Build approaches for user, service, workload, and device identity across connected and disconnected deployments.
- Secure the software supply chain — Improve dependency security, artifact integrity, signing, provenance, and deployment controls.
- Find and fix security weaknesses — Threat model systems, review designs and code, identify vulnerabilities, and drive remediation.
- Automate security controls — Build security checks and tooling into CI/CD, infrastructure, and development workflows.
- Support accreditation — Translate security requirements into implemented controls, technical evidence, and system designs that support ATO and customer security requirements.
Required Qualifications
- U.S. Citizenship and ability to obtain and maintain a U.S. Government security clearance
- 8+ years of security engineering, platform security, product security, or cloud security experience; with a proven track record of success
- Strong software engineering skills and experience contributing directly to production code
- Strong Linux, networking, and cloud security fundamentals
- Deep experience securing Kubernetes, containers, and cloud infrastructure
- Strong experience with identity and access management, authentication, authorization, secrets management, and PKI
- Experience with application and platform threat modeling, security architecture, and vulnerability remediation
- Experience building security automation into CI/CD, infrastructure, and deployment workflows
- Experience with software supply chain security, including dependency management, artifact integrity, signing, or provenance
- Demonstrated ability to design and implement security solutions across application, infrastructure, and deployment boundaries
Preferred Qualifications
- Experience securing air-gapped, edge, or intermittently connected systems
- Experience with NIST 800-53, RMF, ATO, or similar accreditation processes
- Experience with AWS GovCloud or other regulated cloud environments
- Aerospace, defense, robotics, or other regulated-industry experience
Work Environment
- This role is based in San Diego, CA.
- We welcome candidates who are local or open to relocating; relocation assistance is available and may be included in the offer package where appropriate.
Compensation
Benefits & Perks
- We offer comprehensive medical, dental, and visions plans
- 401(k) Retirement Savings Plan to invest in your long-term retirement goals
- Equity grants for new hires
- Unlimited PTO
- Extremely generous company holiday calendar, including a holiday hiatus in July & December.
- Generous Parental Leave
- Lifestyle Spending Account
- FSA
- DCFSA
- HSA
- Hospital Indemnity insurance
- Critical Illness insurance
- Accident insurance
- Basic Life/AD&D, short-term and long-term disability insurance, 100% covered by Firestorm. Plus, the option to purchase additional life insurance for you and your family.
- Mental Health Resources: We provide free mental health resources 24/7 including therapy and more. Additional work-life services, such as free legal and financial support, are available to you as well.



