Security Engineer

About this role

General Matter, a nuclear fuel enrichment company backed by top-tier investors, seeks a Security Engineer to design and maintain security controls across cloud, on-premises, and highly restricted environments. You'll protect critical systems supporting nuclear fuel production while working cross-functionally with engineering, IT, and operations teams in a mission-driven, fast-paced organization.

What you'll do

• Design and implement security controls across product, infrastructure, corporate, and regulated environments
• Secure cloud, on-premises, air-gapped, and classified systems aligned with NRC and federal requirements
• Support security operations including monitoring, incident response, and vulnerability management
• Implement and improve identity and access management controls across workforce and production systems
• Partner with engineering teams to embed application security and secure development practices
• Contribute to governance, risk, and compliance efforts including policy implementation and audit readiness

What they're looking for

• Cloud security
• Network and endpoint security
• Identity and access management (IAM)
• Incident response and vulnerability management
• Regulated environment security (federal, defense, nuclear, ITAR)
• Security monitoring and detection engineering
• NIST frameworks and compliance standards
• Hardware and embedded systems security