Staff Platform Security Engineer

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Staff Platform Security Engineer in USA new

Firestorm
Full time
Email

USA
11/01/2026
Report

San Diego, CA

Responsibilities

Own security improvements from design through implementation across Crucible, cloud infrastructure, and edge deployments.
Implement authentication, authorization, secrets management, data protection, and system boundaries in product and infrastructure code.
Harden Kubernetes, cloud infrastructure, Linux systems, and air-gapped environments.
Build identity and trust solutions for users, services, workloads, and devices across connected and disconnected deployments.
Improve software supply-chain security, including dependency security, artifact integrity, signing, provenance, and deployment controls.
Threat model systems, review designs and code, identify vulnerabilities, and drive remediation.
Build security checks and tooling into CI/CD, infrastructure, and development workflows.
Translate security requirements into implemented controls, technical evidence, and system designs supporting ATO and customer security requirements.

Requirements

U.S. citizenship and ability to obtain and maintain a U.S. Government security clearance.
At least 8 years of security engineering, platform security, product security, or cloud security experience.
Strong software engineering skills with direct contributions 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.
Ability to design and implement security solutions across application, infrastructure, and deployment boundaries.
Preferred experience securing air-gapped, edge, or intermittently connected systems.
Preferred experience with NIST 800-53, RMF, ATO, or similar accreditation processes.
Preferred experience with AWS GovCloud or other regulated cloud environments.
Preferred aerospace, defense, robotics, or other regulated-industry experience.

Benefits

Comprehensive medical, dental, and vision plans.
401(k) retirement savings plan.
Equity grants for new hires.
Unlimited PTO and a generous holiday calendar, including July and December holiday hiatuses.
Generous parental leave.
Lifestyle Spending Account, FSA, DCFSA, and HSA.
Hospital indemnity, critical illness, and accident insurance.
Basic life/AD&D and short- and long-term disability insurance fully covered by Firestorm, with optional additional life insurance.
Free 24/7 mental health resources and additional work-life services including legal and financial support.
Based in San Diego, California, with relocation assistance available and potentially included in the offer package.

Salary: $175k - $195k/yr

Firestorm

Firestorm builds modular, open-architecture unmanned systems and mission-configurable hardware for defense customers, leveraging additive manufacturing to rapidly tailor platforms for diverse Department of Defense mission areas. Its fielded xCell platform is being developed in multiple variants a...

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