Senior Electrical Engineer
Confirmed on the employer's own hiring board on Nov 15, 2026. First seen by Alion on Mar 31, 2026. Sphere Defense scores A on the Alion truth index.
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 today’s 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 Senior Electrical Engineer that has worked with both high speed digital (integrating SoCs, DDRs, cameras) and analog (power stages, sensing, signal conditioning) designs. Ideally, you have worked with flying robots.
What You'll Do
Be one of the first members of a high performing team, designing and developing autonomous countermeasures to protect countries from aerial threats
Design, develop and test system architectures and electronic boards, both internally and with external partners, with high speed peripherals and sensors
Bring up boards and systems, ensuring that all intended functional and performance requirements are met
Work with your colleagues to integrate feedback during design reviews
Troubleshoot and debug problems, ensuring that issues are addressed as they appear
Ensure the designs adhere to the industrial quality standards by drafting test plans and working with test houses for validation and certification
Draft production level documentation for the entire product lifecycle
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
Minimum Requirements
Bachelor’s or Master’s Degree in Electrical Engineering or equivalent
At least 8 years of industry experience in relevant roles
Demonstrated experience in the role, with significant ownership of complex designs
Proficiency with Altium Designer and/or Cadence OrCAD/Allegro
Deep electrical engineering skills in both the digital and analog worlds
Proficiency with Schematic Capture and PCB Layout design
Knowledge of DFM and reliability issues for complex electronics
Experience in selecting components and creating production ready documentation (BOM, assy, etc.)
Hands on, with demonstrated ability in system bring up and internally prototyping boards
Proficient with lab equipment (oscilloscope, spectrum analyzer, etc.)
You are a self starter, able to work in a high ambiguity environment and willing to take up new challenges
Excellent written and spoken English, French or Dutch is a plus
Preferred Qualifications
Ability to write firmware to bring up boards and PC software to test them
Experience with FPGAs
Experience with Embedded Linux (Yocto)
Experience interfacing with EMS and with EOL tests implementation
Experience with one or more of the following: RF/antenna design, motor control, rigid flex design, electro optical systems, SI/PDN simulation
What we offer
Attractive compensation
Year-end bonus
Stock Options Plan
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.