
Commercial Director (gn) – Defence @ Stealth DeepTech Venture (Belgium)
- Hybrid
- Brussels, Belgium
- Portfolio Company
Job description
About the Venture
We are a European deep tech company building next-generation technology for defense applications at sea. With a fully integrated and certified product, we’ve already secured our first clients and built early traction in one of the world’s most complex and high-stakes markets.
Our core technology combines advanced AI, embedded software, and integrated hardware. It’s production-ready, field-proven, and built by a top-notch technical team with deep domain expertise. Backed by leading investors, we’re now entering a critical commercial phase—and expanding our direct presence in defense markets.
Your Role and Responsibilities
As Commercial Director – Defense, you will lead direct sales efforts into military markets across Europe, North America, and selected allied regions. This is a senior individual contributor role working directly with the founding team and with the opportunity to build up a team following further funding rounds.
You will:
Build and execute a go-to-market strategy for defense clients globally
Develop and maintain relationships with key buyers, users, and procurement stakeholders
Identify and influence upcoming tenders and funding initiatives across NATO-aligned markets
Deliver compelling pitches and lead negotiations for complex, high-value deals
Own the entire sales cycle from prospecting to contract
Educate customers on emerging capabilities and support them in building business cases internally
Represent the company at defense and maritime forums, trials, and strategic exercises
Collaborate closely with product and engineering teams to tailor solutions for market fit
What You Need to Succeed
A proven track record in defense sales, ideally across multiple geographies
Experience closing high-value, complex contracts
Prior service in the Navy, Marines, or a defense-related institution is strongly preferred
Deep understanding of procurement dynamics within NATO-aligned forces
Strong technical fluency—you’re comfortable translating advanced systems into strategic value
Excellent communication, influencing, and negotiation skills across senior ranks and technical teams
A high degree of autonomy, accountability, and ownership
What We Value
Mission-driven thinkers with a bias for action
Entrepreneurial spirit—able to build from scratch, adapt, and scale
Cultural fluency and the ability to build trust across borders and mindsets
Strategic patience paired with relentless follow-through
People who earn influence through credibility, not flash
A hands-on, no-nonsense approach to relationship-building and deal-closing
What You Can Expect
A seat at the commercial front line of a fast-moving venture
A product that’s fully developed, certified, and ready to ship
A top-notch technical team that’s deeply respected in the industry
Real ownership of deals, markets, and impact
A competitive options and performance upside
A company culture built around trust, curiosity, and grit
- Brussels, Brussels, Belgium
or
All done!
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