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Sphere Defense

European counter-UAS interceptor developer

Electronics Engineer

Full-TimeUpdated on 10/15/2026
No salary listed
Mid
Bachelor's, Master's
Brussels, Belgium
In Person
Hardware EngineeringBoard & Electronics Design

About the job

Requirements
  • A Bachelor's or Master's degree in Electrical Engineering or equivalent.
  • At least 4 years of relevant experience, with significant ownership of complex designs.
  • Proficiency with Altium Designer and/or Cadence OrCAD/Allegro.
  • Deep electrical engineering skills in both digital and analog design.
  • Proficiency with schematic capture and PCB layout design.
  • Knowledge of design for manufacturing (DFM) and reliability issues for complex electronics.
  • Experience selecting components and creating production-ready documentation, including bills of materials and assembly documentation.
  • Hands-on ability in system bring-up and internal prototyping of boards.
  • Proficiency with laboratory equipment, including oscilloscopes and spectrum analyzers.
  • Ability to work in a high-ambiguity environment and take on new challenges.
  • Excellent written and spoken English.
Responsibilities
  • Design, develop, and test system architectures and electronic boards, internally and with external partners, incorporating high-speed peripherals and sensors.
  • Bring up boards and systems, ensuring that intended functional and performance requirements are met.
  • Work with colleagues to integrate feedback during design reviews.
  • Troubleshoot and debug problems, ensuring that issues are addressed as they arise.
  • Ensure designs adhere to 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.
  • Support and mentor the team as needed.
Desired Qualifications
  • Experience working with flying robots.
  • 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 electronics manufacturing services (EMS) and implementing end-of-line (EOL) tests.
  • Experience with one or more of the following: RF/antenna design, motor control, rigid-flex design, electro-optical systems, or signal integrity/power delivery network (SI/PDN) simulation.
  • French or Dutch language skills.

About the company

Sphere Defense develops autonomous counter-UAS systems to defend airspace from drones. Its flagship product is a jet-powered interceptor guided by AI, designed for mass production with a European-made supply chain using local components. The system can autonomously detect, track, and neutralize hostile drones to protect critical infrastructure and security interests. The company emphasizes European sovereignty, opting for a jet engine over electric motors, and aims to scale production in Europe to reduce dependence on foreign supply chains.

Company Size

11-50

Company Stage

N/A

Total Funding

N/A

Headquarters

City of Brussels, Belgium

Founded

N/A

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Simplify Jobs

Simplify's Take

What believers are saying

  • Ukraine's drone war keeps European militaries buying counter-UAS systems in 2026.
  • Axon's February 2026 minority investment gives Sphere Defense capital and defense-industry credibility.
  • Brussels recruiting in April 2026 shows aggressive team-building toward prototype and production readiness.

What critics are saying

  • Sphere Defense remains pre-revenue in September 2026, with no disclosed orders or fielded contracts.
  • Brussels hiring ads in April 2026 signal dependence on rapid technical execution before customer validation.
  • Diehl, AirShields, and other C-UAS rivals compress margins and can outspend Sphere Defense.

What makes Sphere Defense unique

  • Sphere Defense launched in Brussels in February 2026 with former Sky-Hero executives.
  • It builds jet-powered, AI-guided interceptor drones using European manufacturing and components.
  • BEDEX 2026 showcased a man-portable launch base for sovereign counter-UAS deployments.

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Benefits

  • Health Insurance
  • Meal Benefits
  • Mobility Budget
  • Stock Options
  • Paid Holidays