FOSSA Systems is a European space and telecommunications company developing sovereign Low Earth Orbit (LEO) capabilities for secure communications, radio-frequency awareness, and resilient dual-use operations.
With 25+ satellites launched and a growing constellation in deployment, FOSSA delivers space-enabled connectivity and sensing solutions for civil, governmental, and defence applications across NATO, EU, and allied ecosystems.
Role Overview
FOSSA Systems is seeking a Defence Manager to drive commercial development of defence and dual-use opportunities across NATO, EU, and international institutional markets.
This role sits between defence strategy, institutional business development, and technical-commercial execution, focused on identifying, shaping, and capturing programmes related to satellite communications, RF awareness, and sovereign space infrastructure.
This is not a traditional sales role, but a programme-shaping commercial position working at the intersection of customers, institutions, and engineering teams.
Key Responsibilities:

Identify, track,



and qualify defence and security opportunities across NATO, EU (EDF, EDA), national Ministries of Defence, and allied institutions.
Map procurement routes, capability roadmaps, funding mechanisms, tenders, and operational experimentation programmes.
Build and manage capture strategies for selected defence and dual-use opportunities.
Translate operational defence needs into structured opportunity briefs and internal execution plans.
Support preparation of RFIs, RFPs, white papers, concept notes, and defence proposals.
Work with Engineering and Product teams to align customer requirements with FOSSA capabilities and mission architectures.
Position FOSSA in defence forums, capability development groups, and institutional ecosystems.
Develop and maintain relationships with defence agencies, primes, integrators, and institutional stakeholders.
Define go-to-market narratives for NATO, EU, national defence bodies,

📌 Defence Manager (Madrid)
🏢 FOSSA Systems
📍 Madrid