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Sphere Defense in Brussels is seeking a Mechanical Design Engineer to drive the mechanical design of countermeasures against aerial threats. The ideal candidate has a strong background in high-speed, small-scale flying vehicles and experience with electro-mechanical systems. You will work within a dynamic team, handling design responsibilities, prototyping,...

Sphere Defense, a startup based in Brussels, is seeking an experienced Control Systems Engineer to design and develop high-performance autonomous countermeasures for aerial threats. The ideal candidate will have a Bachelor's or Master's degree in Control Systems or Aerospace engineering and proficiency in Matlab, C++, and Python. This role involves hands-on...

Sphere Defense, based in Brussels, Belgium, is seeking an Electronics Engineer to join a fast-moving team developing autonomous countermeasures for aerial threats.The role covers designing and testing high‑speed digital/analog electronics, bringing up boards, and producing production‑ready documentation. Strong leadership and mentoring skills are valued;...

Global People Sphere is seeking a Short Video Content Moderator (French) in Lisbon, Portugal. You will review user-generated content to ensure compliance with community guidelines and help maintain a safe online environment.Requirements include fluent French and English, strong attention to detail, and the ability to work independently. The role offers...

Sphere Defense, a Brussels-based tech startup, seeks a Senior Firmware Engineer to develop autonomous countermeasures for aerial threats. You will own firmware for MCUs/MPUs, bare-metal and RTOS, delivering low-latency sensing, processing and actuation in collaboration with hardware and software teams. You will design, implement and test robust firmware,...

Sphere Defense is a Brussels-based tech startup building autonomous countermeasures to counter aerial threats. We are seeking a Firmware Engineer with MCU/MPU experience, bare-metal and RTOS, and strong C/C++ and Python skills. You will join a small, high-performing team, design and test reliable firmware, bring-up hardware with the team, and establish CI/CD...

Sphere Defense in Brussels is seeking a Senior Embedded Software Engineer to lead development of autonomous countermeasures. You will own Linux-based embedded systems, implement high-performance software for sensing, processing and actuation, and work closely with hardware to bring-up boards. The role requires proven experience with C/C++, Python, Yocto,...

Sphere Defense in Brussels, Belgium, is seeking an experienced Firmware Engineer to design, develop, and maintain embedded firmware for autonomous countermeasures. You will work closely with hardware, bring up boards, and implement reliable, low-latency sensing and actuation software. The role emphasizes ownership, CI/CD, and collaboration in a...

Sphere Defense in Brussels is seeking a Senior Embedded Software Engineer to lead development of autonomous countermeasures. You will own Linux-based embedded systems, implement high-performance software for sensing, processing and actuation, and work closely with hardware to bring-up boards. The role requires proven experience with C/C++, Python, Yocto,...

Sphere Defense in Brussels, Belgium is seeking a highly motivated Test Pilot & Tech to lead hands-on development of early UAS prototypes (fixed-wing, VTOL, quadcopters) for defense applications. The role is onsite in Brussels and reports to the CTO.You will assemble, test, and evaluate prototypes with the Lab and Engineering teams, travel across Europe for...

Sphere Defense, a Brussels-based tech startup, seeks a Senior Firmware Engineer to develop autonomous countermeasures for aerial threats. You will own firmware for MCUs/MPUs, bare-metal and RTOS, delivering low-latency sensing, processing and actuation in collaboration with hardware and software teams.You will design, implement and test robust firmware,...

Sphere Defense in Brussels is seeking a Senior Embedded Software Engineer to lead development of autonomous countermeasures. You will own Linux-based embedded systems, implement high-performance software for sensing, processing and actuation, and work closely with hardware to bring-up boards.The role requires proven experience with C/C++, Python, Yocto, RTOS...

Sphere Defense in Brussels is seeking a Senior Firmware Engineer to design and build autonomous countermeasures with high-performance firmware for MCUs/MPUs running bare-metal and RTOS. You will bring-up boards with the hardware team and implement robust CI/CD pipelines to ensure reliability and low latency. You will mentor colleagues, produce high-quality...

Sphere Defense is a Brussels-based tech startup building autonomous countermeasures to counter aerial threats. We are seeking a Firmware Engineer with MCU/MPU experience, bare-metal and RTOS, and strong C/C++ and Python skills. You will join a small, high-performing team, design and test reliable firmware, bring-up hardware with the team, and establish CI/CD...

Global People Sphere seeks a dedicated Video Content Moderator (French) based in Lisbon, Portugal. You will review user-generated content across videos, images, text and audio to ensure compliance with community guidelines and safety standards.This full-time position emphasizes careful content evaluation, policy adherence and clear reporting of trends....

Sphere Defense is a Brussels-based tech startup building autonomous countermeasures to counter aerial threats. We are seeking a Firmware Engineer with MCU/MPU experience, bare-metal and RTOS, and strong C/C++ and Python skills.You will join a small, high-performing team, design and test reliable firmware, bring-up hardware with the team, and establish CI/CD...

Sphere Defense, based in Brussels, Belgium, is a fully funded technology startup focused on autonomous countermeasures to neutralize aerial threats. We seek an experienced Senior AI & Computer Vision Engineer to lead perception pipelines, model training, and real-time video processing, collaborating with Embedded Software, Control and Hardware teams.You will...

Sphere Defense in Brussels is seeking a Senior Firmware Engineer to design and build autonomous countermeasures with high-performance firmware for MCUs/MPUs running bare-metal and RTOS. You will bring-up boards with the hardware team and implement robust CI/CD pipelines to ensure reliability and low latency.You will mentor colleagues, produce high-quality...

Sphere Defense, a Brussels-based startup building autonomous countermeasures for aerial threats, seeks an embedded software engineer with strong Linux/Yocto experience. You will design and test high‑performance software for sensing, processing and actuation on flying systems, and help bring up boards with the hardware team.You will implement robust...

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...