
About Hepburn and Sons
Hepburn and Sons LLC is a trusted advisor to the American maritime industry and the Department of Defense. We deliver expert advisory, engineering, and technology transition services with a warfighter-first focus. Built on a foundation of integrity, we honor handshakes as rigorously as contracts and place trust at the center of every decision and customer relationship. Our team bridges the gap between research & development and operational impact.
Join us in applying intellectual rigor and passion for meaningful work to solve today’s most critical defense challenges.
The Opportunity
We are seeking an experienced Testing and Evaluation Senior Engineer to join our Advisory Services team in support of the Defense Threat Reduction Agency (DTRA). In this key role, you will lead test coordination efforts for complex laboratory and live test events, serving as a critical liaison between Navy, DoD stakeholders, and internal teams. You will ensure seamless planning, execution, and post-test analysis while upholding the highest standards of mission success.
This is a high-impact position for a detail-oriented leader with strong Navy or DoD operational experience who thrives in a collaborative, mission-driven environment.
Preferred Qualifications
What Success Looks Like
You are a proactive problem-solver who excels at building relationships across military, government, and industry partners. You bring operational insight, meticulous planning skills, and a commitment to continuous improvement that directly enhances mission outcomes.
At Hepburn and Sons, we offer a collaborative culture that values open communication, mutual respect, integrity, and professional growth. If you are ready to contribute to meaningful defense work while upholding the highest ethical standards, we encourage you to apply.

Founded in 2010, Hepburn and Sons LLC, in the Commonwealth of Virginia as an S-Corp Small Business, our focus is in naval engineering and architecture. A rapidly growing small business, we provide engineering support services, consulting and technical advisory services, technology transition, technology transition, and expert witness services. Our firm has a winning track record providing law firms with a team of senior officers who provide expert witness services to win cases involving ship design, acquisition, and asbestos exposure from naval service aboard ship, or trades working in shipyards.
Our technical expertise in a variety of engineering disciplines including mechanical, electrical, nuclear, systems, information technology and cybersecurity, missile defense, material science, naval architecture, and naval engineering. Our strengths include program management, electromagnetic pulse (EMP), warfare and combat systems, to customers including the Defense Threat Reduction Agency (DTRA), the Surface Combat Systems Center (SCSC) Wallops Island, the Office of Naval Research (ONR), and the Electric Ships Program Office (PMS 320), and Fortune 500 firms with technical analysis, quality, life cycle cost estimating, proposal preparation, business development, marketing, and capture management.