Product Security Engineer El Segundo, California,

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage—domain dominance. The company's products are powered by Coherent Distributed Networks (CDN™), empowering warfighters, commercial air operators, and border protection teams to act faster, adapt rapidly, and stay ahead of evolving threats.

CHAOS Industries was founded in 2022 and has raised a total of $1 billion in funding from leading investors, including 8VC, Accel, and Valor Equity Partners. The company is headquartered in Los Angeles, with offices in Washington, D.C., San Francisco, San Diego, and London. For more information, please visit  .

Role:
We are seeking a Cybersecurity Engineer focused on Product Security to help design, assess, and secure our next-generation sensor platforms and supporting software ecosystems. This role will support the Senior Product Security Engineer and work closely with Engineering, Embedded Systems, Infrastructure, and Program teams to ensure security is integrated throughout the product lifecycle — from architecture and development through deployment and operational support.

The ideal candidate has experience securing complex software and hardware systems within defense, aerospace, or other highly regulated environments. This individual will contribute to software security architecture efforts, assist with threat modeling and risk assessments, aid in compliance initiatives, and support the establishment of secure engineering standards across the organization.

This is a highly collaborative and hands‑on role with direct impact on the security and resiliency of mission‑critical technologies deployed in operational environments.

Responsibilities:

System Security Engineering

• Assist with the design and implementation of secure software andhardwaresystem architectures for mission-critical platforms and supporting infrastructure
• Partner with engineering teams to integrate security requirements throughout the software development lifecycle ( SDLC )
• Enable architecture reviews and identify security risks across software, embedded, real time, and hardware systems
• Document secure design standards, engineering guidance, and product security best practices
• Support secure development initiatives including code review, dependency management, secrets management, and vulnerability remediation
• Execute threat modeling exercises for software, embedded systems, hardware platforms, and supporting infrastructure
• Support cybersecurity risk assessments for products, systems, and operational environments
• Map attack surfaces, identify trust boundaries, and harden potential exploitation paths
• Work with engineering teams to prioritize and remediate identified security risks
• Develop mitigation strategies for cybersecurity threats impacting deployed systems and sensitive technologies

Compliance & Security Authorization

• Contribute to cybersecurity compliance initiatives and product authorization efforts including:
  • RMF (Risk Management Framework)
  • ATO (Authority to Operate)
  • Development of system security documentation, security controls, SSPs, and assessment artifacts
• Support internal and external security audits, assessments, and accreditation activities
• Collaborate with government, customer, and program stakeholders on security requirements and authorization activities
• Document security boundaries for both hardware and software

Security Testing & Validation

• Design security testing activities including vulnerability assessments, penetration testing coordination, and validation of remediation efforts
• Support secure configuration and hardening efforts across software, operating systems, and embedded environments
• Review software and system telemetry to identify potential security weaknesses or…