Senior Product Security Engineer

Cyberjobs; El Segundo (CA); On-site; USD 123,000 - 211,000; Full time

Benefits offered by this job

Health benefits

401k match

FSA

HSA

Life insurance

Free daily lunch onsite

Unlimited PTO

Casual dress code

Relocation assistance

Annual bonuses

Job summary

CHAOS Industries is seeking a Senior Cybersecurity Engineer focused on Product Security to design, assess, and secure our sensor platforms and software ecosystems. You will collaborate with Engineering, Embedded Systems, Infrastructure, and Program teams to integrate security throughout the product lifecycle—from architecture and development to deployment and operations.

The ideal candidate has experience securing complex software and hardware in defense or other regulated environments.

Qualifications

• 5+ years of experience in cybersecurity engineering, product security, or related engineering roles.
• Experience with software security design and secure system architecture principles.
• Hands-on threat modeling and cybersecurity risk assessments.
• Knowledge of SSDLC practices and application security concepts.
• Familiarity with RMF, NIST 800-53, NIST 800-171, and DFARS.
• Experience supporting security authorization activities such as ATO processes and security documentation (eMASS).
• Security of embedded systems, sensor platforms, or edge computing.
• Knowledge of cryptographic systems and key management.
• Strong analytical, troubleshooting, and technical communication skills.
• Ability to operate in a fast-paced startup environment.
• Must be a U.S. Citizen eligible to work in government facilities and handle sensitive information.
• Ability to obtain additional security clearances as required by contract.
• Preferred: Active security clearance; defense/aerospace experience; firmware/TPM/security hardware knowledge.

Responsibilities

• Assist with secure software and hardware system architectures for mission-critical platforms.
• Coordinate with engineering teams to integrate security throughout the SDLC.
• Lead architecture reviews and identify security risks across software, embedded, and real-time systems.
• Document secure design standards, engineering guidance, and product security practices.
• Support secure development activities including code review, dependencies, secrets management, and remediation.
• Perform threat modeling exercises for software, embedded systems, and hardware platforms.
• Support risk assessments for products and operational environments; map attack surfaces.
• Contribute to RMF/ATO efforts and security documentation development.
• Design security testing activities and coordinate vulnerability remediation.
• Collaborate with cross-functional teams to balance security with performance.

Skills

Threat modeling

Security architecture

Risk assessment

SSDLC

Embedded systems security

Regulatory compliance

Security testing

Tools

eMASS

Job description

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 www.chaosinc.com.

Role:

We are seeking a Senior 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.

System Security Engineering

• Assist with the design and implementation of secure software and hardwaresystem 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

Threat Modeling & Risk Assessment

• 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 anomalous behavior
• Collaborate with Security Operations and Infrastructure teams to improve product and enterprise security visibility

Cross-Functional Collaboration

• Work closely with Software, Embedded, Hardware, DevSecOps, and Infrastructure teams to balance security, performance, and operational requirements
• Contribute to the development of scalable product security processes and governance
• Support customer and internal security reviews related to deployed technologies and operational environments
• Guide engineering teams on secure development and security‑by‑design principles

Minimum Requirements:

• 5+ years of experience in cybersecurity engineering, product security, application security, or related engineering roles
• Experience with software security design and/or secure system architecture principlesHands‑on experience supporting threat modeling and cybersecurity risk assessments
• Knowledge of secure software development lifecycle (SSDLC) practices and application security concepts
• Familiarity with cybersecurity frameworks and compliance standards including:
  • RMF
  • NIST 800-53
  • NIST 800-171
  • DFARS
• Experience supporting security authorization activities such as ATO processes and security documentation development, and eMASS management
• Experience securing embedded systems, sensor platforms, or edge computing technologies
• Knowledge of cryptographic systems, key management systems, and key handling standards
• Strong analytical, troubleshooting, and technical communication skills
• Ability to operate effectively in a fast‑paced startup environment
• Must be a U.S. Citizen eligible to work in government facilities and handle sensitive information
• Ability to obtain additional security clearances as required by contract

Preferred Requirements:

• Active Security Clearance
• Experience supporting defense, aerospace, government contracting, or highly regulated technology environments
• Firmware security or development experience
• BIOS/UEFI security or development experience
• Trusted Platform Module (TPM), secure boot, cryptographic hardware, or supply chain security knowledge
• Security certifications such as CISSP, CSSLP, GSEC, Security+, or equivalent

Why CHAOS?

• Health Benefits: Medical, dental, and vision benefits 100% paid for by the company
• Additional benefits: 401k (+ 50% company match up to 6% of pay), FSA, HSA, life insurance, and more
• Our Perks: Free daily lunch while you're working onsite, fully-stocked kitchen, unlimited PTO, casual dress code
• Compensation Components: Competitive base salaries, generous pre‑IPO stock option grants, relocation assistance, and (coming soon!) annual bonuses
• Team Growth: 500+employees and counting across 5 global offices

Salary Range: $123,000 - 211,000

The stated compensation range reflects only the targeted base compensation range and excludes additional earnings such as bonus, equity, and benefits. If your compensation requirements fall outside of the range, we still encourage you to apply. The salary range for this role is an estimate based on a range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations.