General Counsel

About Us At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We’re fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space. To achieve our mission, we’re building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space. The Antares team hails from SpaceX, the White House, the Pentagon, the Department of Energy, MIT, Rigetti Computing, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Idaho, Oak Ridge, Los Alamos, and Savannah River. Antares has raised over $600M in venture capital from top-tier investors and has hundreds of million-dollars on contract with the military services, NASA, and the Department of Energy. About the Team Antares is looking for its first General Counsel — a seasoned legal leader who will build and own the legal and compliance foundation required to take our nuclear microreactors from prototyping through full-rate production and commercial deployment. This is a defining leadership role at a pivotal moment in the company's growth. As GC, you will serve as a trusted advisor and strategic partner to the CEO and executive team. You will lead legal and compliance functions across the company, and you will partner closely with engineering, operations, finance, supply chain, business development, and people teams to enable rapid execution while ensuring Antares operates within an appropriate legal and regulatory framework. The ideal candidate has deep experience at the intersection of government contracting, nuclear or regulated environments, and export controls, and thrives in the ambiguity and pace of an early-stage, mission-driven company. You are not just a legal advisor; you are a builder, a business partner, and a key member of the leadership team. Roles and Responsibilities: - Serve as Antares’ first in-house legal hire and primary legal partner to leadership, engineering, operations, finance, supply chain, business development, and people teams. - Support government contracts and government-funded programs, including proposal review, flow-down analysis, contract negotiation, compliance obligations, data rights, deliverables, reporting requirements, and program execution risk. - Serve as the primary legal point of contact for DOE, DoD, and other federal agency relationships and contractual obligations - Draft, review, negotiate, and maintain a broad range of commercial agreements, including NDAs, vendor agreements, services agreements, consulting agreements, manufacturing and supply agreements, software/SaaS agreements, testing agreements, teaming agreements, and strategic partnership agreements. - Provide legal counsel on nuclear regulatory matters, including NRC licensing, DOE regulatory frameworks, nuclear materials handling, and compliance with applicable federal and state nuclear safety requirements. - Build, own, and continuously improve Antares’ export controls compliance program, including ITAR, EAR, and other applicable regimes, including policies, procedures, training, technology-control plans, visitor controls, deemed export processes, data handling practices, and escalation workflows. - Manage and scope external counsel across specialized areas including export controls, contracts, nuclear regulatory, corporate, employment, intellectual property, litigation, real estate, and financing matters. - Define the company’s legal infrastructure and procedures, including document retention, signature authority, contract lifecycle management, legal intake, entity management, board support, and corporate governance processes. - Create scalable contract templates, negotiation playbooks, approval workflows, fallback positions, and internal guidance to reduce legal bottlenecks as Antares grows. - Own day-to-day legal support across the company, p…