Security Engineer for Nuclear Enrichment & Critical Infra

General Matter; Los Angeles (CA); On-site; USD 100,000 - 180,000; Full time

Benefits offered by this job

Stock options

Medical, vision & dental

Job summary

General Matter in Los Angeles is seeking a Security Engineer to protect systems across cloud, on-prem, and air-gapped environments. You will design and implement security controls, work with engineering, IT, and operations, and support compliance and incident response in a fast-paced, pioneering setting.

The role emphasizes practical cybersecurity across regulated contexts, collaboration with multiple teams, and building secure systems from the ground up with a focus on governance, risk, and

Qualifications

• 5+ years of hands-on cybersecurity experience across infrastructure, product, cloud, or security operations domains.
• Practical experience implementing security controls in production or high-stakes environments.
• Experience in regulated environments such as federal, defense, nuclear, classified, ITAR, or similarly controlled settings.
• Strong knowledge of cloud security, network security, endpoint security, IAM, and security monitoring.
• Experience supporting incident response, vulnerability management, or security event investigation in operational environments.
• Ability to work cross-functionally with engineering, IT, compliance, and operations teams to drive security improvements.

Responsibilities

• Design, implement, and maintain security controls across product, infrastructure, corporate, and regulated environments.
• Secure cloud, on-prem, air-gapped, and classified systems per NRC, federal, and internal security requirements.
• Support security operations including monitoring, detection engineering, incident response, vulnerability management, and remediation tracking.
• Implement and improve identity and access management controls across workforce systems, production environments, and privileged access workflows.
• Partner with engineering teams to embed application security and secure SDLC practices across hardware, firmware, and software development.
• Contribute to GRC efforts, policy implementation, risk assessments, audit readiness, NRC licensing support, and facility accreditation prep.

Skills

Cloud security

Network security

IAM

Security monitoring

Incident response

Vulnerability management

Cross-functional collaboration

Job description

General Matter in Los Angeles is seeking a Security Engineer to protect systems across cloud, on-prem, and air-gapped environments. You will design and implement security controls, work with engineering, IT, and operations, and support compliance and incident response in a fast-paced, pioneering setting.

The role emphasizes practical cybersecurity across regulated contexts, collaboration with multiple teams, and building secure systems from the ground up with a focus on governance, risk, and