Verified from career page · Posted 2mo ago

Sphere Defense

Firmware Engineer, Autonomous Systems

Sphere Defense · R&D

Brussels

Mid-level Still listed after 2 months

Embedded & hardwareCI/CDC++RTOS / EmbeddedgRPCLinuxPythonRust

Last seen 5d ago

Posted
2mo ago

Posted on 28 July 2026

Workplace
On-site

Work model: On-site

Salary
Not disclosed

Salary range not shared by the company

Visa sponsorship
No

The posting states no sponsorship

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. Our office is close to Central Station.

Reports to: Chief Technology Officer

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.

About Sphere Defense

Sphere Defense builds embedded and defense-technology systems. A Belgian company.

Apply at Sphere Defense

Similar roles

  1. Technical Recruiter Hybrid Sphere Defense Administration Brussels People & HR High-growth Not disclosed Visa: No 5d ago
  2. Principal Machine Learning Engineer, Computer Vision On-site Sphere Defense R&D Brussels Machine learningComputer visionC++Python +1 High-growth Not disclosed Visa: No 1w ago
  3. Sr. Artificial Intelligence & Computer Vision Engineer, C-UAS On-site Sphere Defense R&D Brussels Machine learningComputer visionC++Distributed systems +1 High-growth Not disclosed Visa: No 1w ago
  4. CNC Programmeur en Verspaner On-site Sphere Defense R&D Belgium Software High-growth Not disclosed Visa: Not specified 1w ago
  5. Programmeur-Usineur CNC 5 axes (H/F/X) On-site Sphere Defense R&D Belgium Software High-growth Not disclosed Visa: Not specified 1w ago
  6. Test Engineer On-site Sphere Defense R&D Brussels QA & Test High-growth Not disclosed Visa: No 1w ago
370 more roles like this. Open the board →