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Salary: USD 180,000 - 260,000 / annual
General Matter is a venture-backed nuclear fuel enrichment company (incubated by Founders Fund, backed by top-tier VCs) building the world's lowest-cost uranium enrichment services in the US. The company is restoring America's domestic nuclear fuel production capacity to power AI, advanced manufacturing, and critical industries.
You will serve as the Information Systems Security Manager, leading General Matter's classified cyber assurance and regulatory compliance program within the Software organization. This is a hands-on management role with three core pillars:
**Relationship & Ownership**: You are the primary representative and owner of General Matter's information systems security program, interfacing with internal engineering teams and external government partners.
**Assessment & Expertise**: You are the subject matter expert for all regulatory compliance processes within the Software organization, responsible for interpreting complex requirements and ensuring classified systems remain provably compliant.
**Delivery & Unblocking**: You clarify ambiguous regulatory requirements, work with engineers to build automated compliance tools, and ensure mission success without compromising security.
**Key Responsibilities**:
- Own the Risk Management Framework (RMF) lifecycle for classified information systems
- Ensure continuous regulatory compliance across all classified systems
- Collaborate with engineering teams to manage regulatory overhead risk
- Evaluate and build automated tools for security policy assessment, auditing, and enforcement at scale
- Coordinate with government partners on external audits and tests
- Build out the GRC (Governance, Risk, Compliance) tool suite for classified systems
- Embed security as a first-order requirement across the software stack
- Apply first-principles thinking to solve ambiguous compliance challenges
**Requirements**:
- 3+ years managing cyber assurance for classified computer networks
- Strong understanding of engineering fundamentals
- Ability to perform trade studies and make clear recommendations using first principles with partial information
- Evidence of exceptional ability (prior projects, portfolio, completed products)
- Ability to obtain and maintain DoE Q-level clearance eligibility
- Willingness to work extended hours and weekends as necessary
**Preferred Experience**:
- NIST 800-53 environment experience
- Fast-paced engineering or highly technical environment with resourceful delivery under tight timelines/budgets
- Building approved classified spaces from the ground up on ambitious timelines
- Expertise with the 7-step RMF process and modern software development integration
- 10 CFR Part 810 export-control and US-person access restriction implementation
- DoD or DOE Authorization-to-Operate (ATO) experience
- COMSEC procedures and practices expertise
- Experience writing and delivering complex software systems in highly regulated environments
