About Epirus Epirus is a high-growth technology company dedicated to overcoming the asymmetric challenges inherent to the future of national security. Epirus' flagship product, Leonidas, is a software-defined system built using intelligent power management techniques which allow power-hungry systems to do more with less. Job Summary: Epirus is seeking a dynamic and experienced Senior Business Development Manager to lead strategic growth initiatives with the U.S. Navy (USN) and U.S. Marine Corps (USMC). This role is responsible for identifying, shaping, and capturing business opportunities across research and development, systems integration, sustainment, and modernization efforts supporting Naval and Marine Corps warfighting priorities. The ideal candidate will have deep domain knowledge of naval operations, procurement processes, and S&T/R&D funding pathways, along with a proven track record of capturing complex defense programs and cultivating long-term customer relationships. They will understand DoD/international operational and technical needs; requirements, budgeting, testing, and procurement processes; and business development techniques and practices. They will always act with integrity and trust and a we before I mindset. This position reports to Sr. Director of Business Development. Responsibilities: Develop and execute account growth strategies aligned with USN and USMC priorities across SYSCOMs, PEOs, warfare centers, labs, and operational commands. Build and maintain trusted relationships with key stakeholders at NAVSEA, NAVAIR, ONR, MARCORSYSCOM, MCSC, NIWC, and other relevant organizations such as CBP, USCG and USSS. Shape requirements and influence acquisition strategies through early engagement with program sponsors and technical decision-makers. Lead capture efforts for BAAs, IDIQs, OTAs, and RFPs, including teaming strategy, solution development, and proposal leadership. Partner with internal technical leads to align company capabilities with Naval/Marine missions including C4ISR, autonomy, cyber, expeditionary systems, logistics, and platform modernization. Maintain situational awareness of USN/USMC budget trends, POM cycles, and force design initiatives (e.g., Force Design 2030, Distributed Maritime Operations). Represent the company at industry days, conferences, and classified briefings as needed. Drive internal investment strategies aligned with Navy and Marine Corps innovation and future force requirements. Track and analyze funding lines, technology roadmaps, and programmatic priorities across service branches and emerging innovation offices. Basic Qualifications: Bachelor's degree in engineering, business, political science, or a related field. 8+ years of experience in business development, capture, or program management supporting DoD, with at least 3+ years focused on the U.S. Navy or Marine Corps. Demonstrated success in identifying and capturing complex DoD programs ($10M+), especially involving R&D, prototyping, or advanced technology integration. Strong understanding of Navy/Marine acquisition organizations and processes (e.g., PPBE, JCIDS, FAR/OTA). Experience developing and executing account plans and growth strategies across multiple organizations and mission areas Preferred Skills and Experience: Military or civilian experience in Navy/Marine operational or acquisition roles Master's degree or MBA PMP Certified Lean Six Sigma green belt or better ITAR REQUIREMENTS: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. At Epirus, you'll work with technical peers and great people—and get first crack at some of the defining technology challenges of our time. Here, "impossible" is just a challenge. We're a diverse, fast-growing team of change-makers fueling the future of energy with revolutionary solutions. Join us and rewrite the rules.