Sphere Defense
Firmware Engineer, Autonomous Systems
Skills
2 months ago
Share this opportunity
Share this opportunity to other talents of your network:
✓ Offer them a visibility boost with clients.
✓ Help your contacts find their next job.
Important information
Contract type:
Permanent
Location:
Brussels, Belgium
Work mode:
Onsite
Published on:
13 August 2026
What they need
Who We Are Sphere Defense is a fully funded technology startup with the mission of providing allied countries with sovereign, effective and seamless autonomous countermeasures to neutralize todays’ and tomorrow’s aerial threats.
Sphere Defense was founded by industry veterans with previous successful exits, and is headquartered in Brussels, Belgium, in the heart of Europe.
About You You are an experienced and highly-motivated Firmware Engineer that has worked with MCUs running bare-metal and RTOSs, and is experienced with building highly reliable embedded, mission-critical systems. Ideally, you have worked with autonomous systems.
What You’ll Do
- Be one of the first members of a high-performing team, designing and developing autonomous countermeasures to protect allied countries from aerial threats
- Design, develop and test high-performant and reliable firmware systems that encompass sensing, processing and actuation with low latency
- Together with the hardware team, bring-up boards and systems, ensuring that all intended functional and performance requirements are met
- Troubleshoot and debug problems, ensuring that issues are addressed as they appear
- Establish CI/CD pipelines, focusing on QA aspects
- Be a team player and a mentor, being available to support the team when needed
Location: Onsite in Brussels, Belgium
Requirements
- Bachelor’s or master’s degree in Electrical Engineering, Computer Science, Robotics or equivalent
- At least 4 years in relevant role, with increasing levels of ownership
- Demonstrated experience in the role, owning complex systems based on MCUs and MPUs running bare-metal and RTOS
- Proficiency in C/C++ and Python
- Experience with bare-metal and RTOS firmware systems
- Experience with Device Drivers development and Board Bringup, including BSP creation
- Experience with lab equipment (oscilloscope, multimeter, etc.) for board bring-up and debug
- Experience with implementing and maintaining complex. multi-stage, SIL/HIL CI/CD processes
- Experience integrating sensors such as IMUs, network devices, etc.
- Excellent interpersonal communication skills in written and spoken English; French or Dutch is a plus
- You are a self-starter, able to work in a high-ambiguity environment and willing to take up new challenges
Preferred Qualifications
- Experience with Linux and Yocto-based embedded systems
- Experience with the PX4 Flight Controller or other flight controllers
- Proficient in Rust
- Experience with ST and NXP chipsets
- Experience with server communication (REST, gRPC, etc.)
- Experience with Mobile Apps integration (BLE, WiFi)
What we offer
- Attractive compensation
- Year-end bonus eligibility
- Stock Options Plan eligibility
- Mobility Budget
- 32 days of holidays
- Meal vouchers
- Private Health insurance
We are building a core team of hard-working people. If you want to join a company with tremendous impact and you are autonomous, creative and driven, we want to hear from you!
Sphere Defense offers attractive compensation, stock options, and a unique opportunity to change the global defense landscape.
This role is only open to candidates with right to work in Belgium. We cannot provide visa sponsorship at this time.
Other offers great for you!
These companies are also looking for great profiles
Rheso.tech
Mission Secure Firmware Engineer
Freelance
Nice, France
Hybrid
Skills
8 hours ago
Quick apply
Raedy
Ingénieur Système et Réseau, Infrastructure de Gestion de la Donnée(Open Source)
Freelance
Nancy, France
Hybrid
Skills
7 hours ago
Quick apply
EAYS Consulting
Architecte technique – , Saint-Denis (93) – 12 mois
TJM 576 EUR/jour
Freelance
Hybrid
Skills
6 hours ago
Quick apply
No company information available.