Senior Business Development Manager

Deep Fission is a nuclear technology company pioneering the development of a revolutionary deep borehole pressurized water reactor. We recently completed a private placement financing and Alternative Public Offering and are now operating as a public company while maintaining our startup agility and innovation focus. S.

Nuclear Regulatory Commission (NRC), we are executing our next phase of growth as we advance our groundbreaking nuclear technology toward commercial deployment. Job Summary: The Senior Manager, Business Development is responsible for advancing late-stage commercial opportunities and ensuring momentum from warm prospect to executed agreement. This role focuses on contract execution, state and regulatory engagement, and cross-functional coordination to move complex deals forward.

The role is designed to take ownership of downstream commercial execution, allowing senior leadership to focus on origination and strategic growth. This is a senior individual contributor role with no direct reports, working closely with internal and external partners across legal, regulatory, project development, and finance.

Key Responsibilities

: Commercial Deal Execution Drive progress on late-stage commercial opportunities once prospects are engaged, including NDAs, LOIs, and definitive agreements Coordinate contract development and execution in partnership with internal legal teams and external counsel Track deal milestones, dependencies, and open items to ensure steady forward progress Support negotiations and help resolve gaps between commercial intent and executable agreements State Regulatory Engagement Coordinate state-level engagement and regulatory touchpoints in partnership with Regulatory Affairs and Permitting teams Track and manage state-specific

Requirements

, timelines, and approvals that impact commercial execution Support alignment between commercial agreements and licensing, permitting, and regulatory pathways Government Institutional Opportunities Organize and track opportunities with DOE, DOD, national laboratories, and other government or institutional partners Maintain calendars, deadlines, and submission

for government-related opportunities Coordinate inputs across internal teams to support timely and complete submissions Cross-Functional Coordination Work closely with Regulatory Affairs, Legal, Permitting and Licensing, Project Management, and Project Finance to align commercial terms with project execution realities Serve as a connective point between commercial objectives and operational delivery Ensure information flows smoothly across teams and that decisions are well-documented and followed through Required Skills Experience: 5–10 years of experience in commercial roles within energy, infrastructure, or related capital-intensive industries Hands-on experience negotiating and executing complex contracts and commercial agreements Strong understanding of deal processes from engagement through execution Demonstrated ability to manage multiple stakeholders and move work forward without direct authority Excellent organizational skills and follow-through in long-cycle, ambiguous environments Desired Skills Experience: Experience working with federal entities such as DOE, DOD, national laboratories, or similar government partners Familiarity with state engagement, permitting, or licensing processes Exposure to renewable PPAs, thermal assets, or infrastructure project development Nuclear industry experience is a plus, but not required Our Commitment: Deep Fission is an equal opportunity employer committed to building a diverse and inclusive workplace. We welcome applicants from all backgrounds who share our passion for advancing clean nuclear energy and creating a sustainable future.