Jobs at General Matter, Inc.

Build AI-powered tools that accelerate nuclear engineering workflows, including safety and physics analyses, neutronics simulations, and automated ticket, design-tree, and file-management processes. The role embeds with engineering teams to identify bottlenecks, prototype solutions, and deploy production-grade Python tools using LLMs, AI agents, RAG, and tool-use architectures. Work is fully onsite, may require extended hours, and requires US citizenship with the ability to obtain and maintain a Q clearance.

Develop the integrated safety basis for a new NRC-licensed uranium enrichment facility under 10 CFR Part 70. Responsibilities include hazard and accident sequence analyses, consequence and likelihood evaluations, HAZOP/FMEA leadership, IROFS definition, ISA Summary and licensing documentation, risk assessment across nuclear, chemical, fire, and external hazards, NRC support, design verification, configuration management, and startup readiness.

Own and maintain the integrated safety basis for a uranium enrichment facility, including the ISA, management measures, license commitments, configuration control, and supporting analyses. Lead safety evaluations for design and operational changes, ensure consistency across licensing documents, interface with the NRC, coordinate multidisciplinary technical teams, and mentor staff through regulatory reviews and audits.

Conduct offensive security testing across web applications, APIs, hosts, cloud infrastructure, embedded devices, and industrial control systems. Perform penetration testing, code audits, reverse engineering, threat modeling, vulnerability research, and security design reviews. Build proof-of-concept exploits, static analysis rules, CI checks, and automated security tooling. Present findings and collaborate with engineering teams and vendors to remediate vulnerabilities.

Supports nuclear facility licensing, regulatory submissions, safety analyses, environmental reports, risk assessments, and regulatory engagement. Prepares technical documentation, evaluates compliance with NRC requirements and applicable codes, monitors regulatory changes, and collaborates with engineering, operations, legal, and environmental teams. Participates in inspections, audits, and regulatory meetings while helping resolve licensing issues for nuclear fuel cycle facilities.

Support corporate governance, subsidiary administration, entity records, board and stockholder actions, equity administration, financing diligence, legal repositories, and regulatory operations. The role prepares governance documents, tracks approvals and deadlines, coordinates filings and signatures, maintains entity and authority records, supports audits and diligence, and develops repeatable legal workflows. It also assists with contracts, licenses, real estate closing deliverables, insurance documentation, attorneys, internal stakeholders, outside counsel, and service providers.

Own manufacturing accounting activities including inventory, costing, reconciliations, month-end close, financial reporting, and accounting policy development. Partner with supply chain, operations, analytics, FP&A, and manufacturing teams to improve cost visibility. Support audits, technical accounting research, reporting, and implementation of ERP and finance systems. The role is onsite in Los Angeles and may require extended hours during close deadlines.

Owns the Risk Management Framework lifecycle and cyber assurance program for classified information systems. Ensures regulatory compliance, coordinates audits, builds GRC capabilities, partners with engineering teams to automate security assessment and enforcement, and supports authorization to operate under DoD or DOE boundaries. The role also develops classified-space processes, implements export-control and access restrictions, manages compliance risk, and works with government partners. Requires 3+ years managing cyber assurance for classified networks and eligibility for a DOE Q-level clearance.

Ensures enrichment technology designs meet design criteria and remain consistent from concept through operation. Leads design and change reviews, maintains configuration and technical documentation, manages engineering risks, coordinates cross-disciplinary interfaces, drives action closure, and automates review and risk workflows. The role requires strong technical documentation, decision-making, accountability, and systems-level understanding across engineering teams.

Supports development, optimization, testing, modeling, and scaling of chemical processes for nuclear fuel production. Responsibilities include designing unit operations, conducting pilot-scale tests, analyzing data, preparing engineering documentation, collaborating with manufacturing, operations, safety, and licensing teams, and participating in technical reviews. The role requires foundational chemical or related engineering knowledge and offers opportunities for growth in advanced nuclear energy processing.

Own onboarding and offboarding, benefits administration, HRIS data integrity, employee records, company events, culture initiatives, compliance documentation, and employee support. Improve People Operations processes, handle confidential information, and partner with Recruiting, Finance, and department leads in a fast-paced startup environment.

Owns the company’s compensation and benefits strategy, infrastructure, programs, compliance, systems, and day-to-day operations. Responsibilities include market benchmarking, pay bands, compensation analysis, review cycles, benefits renewals, vendor management, budgeting, open enrollment, pay transparency compliance, and administration of Rippling, Carta, and Pave. The role also develops AI-enabled tools and partners with leadership, Finance, Talent Acquisition, Legal, and operational teams.

Own the enterprise systems strategy, roadmap, platform selection, data governance, integrations, and implementation across ERP, manufacturing, quality, engineering, supply chain, finance, and HR platforms. Build and lead the systems team, deliver regulated quality and document-control capabilities, manage interim tooling, oversee vendors and partners, and report risks and recommendations to executive stakeholders. The role is based onsite in Los Angeles and supports a first-time systems build in a regulated nuclear-energy environment.

Own and scale the contingent workforce program, including contractor intake, sourcing, contracting, onboarding, access controls, compliance, renewals, and offboarding. Build supplier networks, negotiate terms, manage subcontractor and construction vendor requirements, and partner cross-functionally with Procurement, Legal, Finance, Security, IT, and People. Establish metrics, automate workflows, manage risk, and improve supplier performance and operational efficiency in a rapidly scaling company.

Drives planning and execution across the software department, owning integrated roadmaps, schedules, dependencies, milestones, risks, and delivery commitments. Coordinates software work with hardware, systems, controls, testing, licensing, and security teams. Leads planning and operating reviews, documents decisions, tracks action items, and ensures follow-through. The role requires strong technical judgment, software lifecycle knowledge, and the ability to resolve blockers and manage complex programs across multiple engineering teams.

Supports IT systems, infrastructure, and end-user services in a regulated, mission-critical environment. Responsibilities include troubleshooting, helpdesk support, account provisioning, endpoint and server maintenance, network support, patching, backups, asset tracking, security controls, access reviews, documentation, onboarding, equipment deployment, IT projects, and audit readiness. The intern collaborates with IT, security, engineering, and operations teams while gaining experience in systems administration, networking, compliance, and process automation.

Own procurement for IT hardware, software, services, and infrastructure from sourcing through delivery and invoice reconciliation. Partner with technical, security, legal, finance, and supply-chain teams to validate requirements, negotiate supplier terms, manage orders and renewals, maintain purchasing records, and ensure secure, compliant sourcing. The role requires hands-on vendor management, technical purchasing expertise, and process improvement in a fast-growing, security-sensitive environment.

Own full-cycle technical recruiting for hardware engineering, manufacturing, nuclear, and operational roles. Partner with hiring managers, develop creative sourcing strategies, assess candidates, manage interview processes, deliver strong candidate experiences, analyze recruiting metrics, maintain ATS accuracy, and support university recruiting and process improvement. The role is fully onsite in Los Angeles and requires recruiting expertise in specialized engineering or hard-tech talent markets.

Owns manufacturing and production program visibility, operating rhythms, schedules, dashboards, executive updates, and engineering processes. Partners with engineering leadership and cross-functional teams to track priorities, dependencies, risks, and follow-ups; standardizes workflows and drives execution in a fast-paced, regulated nuclear energy environment.

Design and implement motor, drive, and motion-control algorithms for uranium-enrichment systems. Develop control-oriented models, estimation and monitoring algorithms, and integrate, test, debug, and calibrate controls across simulation, bench, and deployed hardware. Collaborate with power electronics, firmware, mechanical, and systems teams; support stability validation through SIL and HIL tools, technical documentation, commissioning, and system improvements.