Senior Product Security Engineer — Onsite RMF/ATO

Cybersecurity Jobs; Los Angeles (CA); On-site; USD 123,000 - 211,000; Full time

Benefits offered by this job

Medical, dental, and vision benefits

401k with company match up to 6%

FSA

HSA

Life insurance

Free daily lunch onsite

Fully-stocked kitchen

Unlimited PTO

Casual dress code

Competitive base salaries

Relocation assistance

Job summary

CHAOS Industries in Los Angeles, CA seeks a Senior Product Security Engineer to design security into sensor platforms and the software ecosystems around them, spanning the full lifecycle from architecture and development through deployment and operational support.

Based in Los Angeles, this onsite role combines hands-on product security engineering with compliance-focused work, including RMF and ATO support, documentation development, and readiness for internal and external security audits and

Qualifications

• 5+ years of experience in cybersecurity engineering, product security, or related roles.
• Experience with secure software/hardware architectures and SSDLC.
• Knowledge of RMF, NIST 800-53/800-171, and DFARS.
• Experience supporting ATO processes and security documentation development.
• Security for embedded systems, sensor platforms, or edge computing.
• Strong analytical and technical communication skills.

Responsibilities

• Assist with design and implementation of secure software and hardware architectures for mission-critical platforms.
• Partner with engineering teams to integrate security requirements across the 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.
• Contribute to cybersecurity compliance and product authorization efforts including RMF and ATO.
• Contribute to system security documentation, SSPs, and assessment artifacts.
• Support audits, assessments, and accreditation activities.
• Collaborate with government, customer, and program stakeholders on security requirements and authorization activities.
• Document security boundaries for hardware and software.
• Design security testing activities, including vulnerability assessments and remediation validation.
• Review telemetry to identify security weaknesses or anomalies.
• Balance security, performance, and operational requirements with cross-team collaboration.
• Contribute to scalable product security governance and processes.

Skills

Threat modeling

SSDLC

Risk assessments

Security design principles

RMF

NIST 800-53

NIST 800-171

DFARS

eMASS

Security authorization (ATO)

Embedded systems security

Cryptography basics

Technical communication

U.S. Citizenship

Tools

eMASS

RMF

ATO

Job description

CHAOS Industries in Los Angeles, CA seeks a Senior Product Security Engineer to design security into sensor platforms and the software ecosystems around them, spanning the full lifecycle from architecture and development through deployment and operational support.

Based in Los Angeles, this onsite role combines hands-on product security engineering with compliance-focused work, including RMF and ATO support, documentation development, and readiness for internal and external security audits and