International Business Development Manager

The Business Development Manager will support the Chief Nuclear Officer and other Antares leadership in expanding the company's international business. The role's mandate will cover the full international business-development lifecycle: identifying and helping secure customers, developing market-entry strategies, building government partnerships, and advancing commercial agreements - including regulatory, financing, and related execution requirements. The manager will engage national governments, defense and energy ministries, regulators, utilities, financing, and private companies across global markets while helping leadership navigate opportunities from initial evaluation through negotiation and deal closure.

Roles & Responsibilities:

• Build and manage an international opportunity pipeline, evaluate and update prospective priority markets, and recommend where Antares should invest time and resources.
• Develop market-entry strategies that account for customer needs, government priorities, regulatory pathways, financing requirements, local partnerships, and competitive dynamics.
• Build and maintain relationships with national governments, defense and energy ministries, utilities, prime contractors, private companies, and other prospective partners and customers.
• Coordinate proposals, customer presentations, partnership structures, commercial agreements, financing approaches, regulatory strategies, and internal approvals across the full business-development process.
• Support the Chief Nuclear Officer and other leaders through customer engagement, negotiations, and deal closure.
• Represent Antares at customer meetings, government engagements, and industry events; brief leadership on key takeaways and recommend follow-up actions.
• Monitor relevant market, policy, procurement, regulatory, and financing developments and translate them into actionable business-development recommendations.
• Collaborate across engineering, finance, regulatory, policy, and program teams to align international opportunities with Antares' technical capabilities and strategic objectives.

Basic Qualifications:

• Bachelor's degree.
• 5+ years of relevant experience involving international governments, international customers, and/or business development, preferably within the energy or defense sectors.
• Demonstrated ability to build relationships across government and commercial stakeholders and advance complex, multi-party opportunities.

Preferred Skills and Experience:

• MBA or master's degree in international affairs or national security studies.
• Ability to communicate complex concepts in science, technology, energy, defense, regulation, and finance in clear language for varied audiences.
• Experience with government agreements, regulatory strategy, project financing, commercial negotiations, and international market-entry planning.
• Experience supporting senior executives through complex negotiations, government engagements, and commercial deal processes.
• Strong writing, attention to detail, and the ability to produce concise, decision-ready recommendations.
• Foreign-language proficiency is a plus.

Additional Requirements:

• Valid passport and ability to travel up to 25%, including international travel.
• Ability to work long hours and weekends as necessary to support critical milestones.
• Ability to work from Antares' Washington, DC office.