{"id":859396,"url":"https://alion.io/job/sphere-df-embedded-software-engineer","title":"Embedded Software Engineer","company":{"id":694579,"name":"Sphere Defense","domain":"sphere-df.com","url":"https://alion.io/company/sphere-df","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":75,"open_postings":7,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-09-28T05:45:00Z"}},"role":"Hardware","role_family":"Hardware","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Brussels, Belgium"],"countries":["BE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":63000,"max_usd":182000,"period":"year","method":null,"sample_n":2549},"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":true,"technologies":[{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"RTOS","optional":false},{"name":"gRPC","optional":true},{"name":"Rust","optional":true},{"name":"Wi-Fi","optional":true}],"status":"live","first_seen_at":"2026-04-23T21:01:10Z","employer_posted_date":"2026-04-23","last_verified_at":"2026-09-29T02:10:52Z","board_verified":true,"closed_at":null,"days_open":158,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":157},"description":"Who we are\nSphere 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.\nSphere Defense was founded by industry veterans with previous successful exits, and is headquartered in Brussels, Belgium, in the heart of Europe.\nAbout you\nYou are an experienced and highly-motivated Embedded Software Engineer that has worked with Embedded Linux Systems on MPUs, bare-metal and RTOSs on MCUs and is experienced with building highly reliable embedded, mission-critical systems. Ideally, you have worked with flying robots.\nWhat you’ll do\nBe one of the first members of a high-performing team, designing and developing autonomous countermeasures to protect allied countries from aerial threats\n\nDesign, develop and test high-performant and reliable embedded software systems that encompass sensing, processing and actuation with low latency\n\nTogether with the hardware team, bring-up boards and systems, ensuring that all intended functional and performance requirements are met\n\nTroubleshoot and debug problems, ensuring that issues are addressed as they appear\n\nEstablish CI/CD pipelines, focusing on QA aspects\n\nBe a team player and a mentor, being available to support the team when needed\n\nLocation: Onsite in Brussels, Belgium. Our office is close to Central Station.\nReports to: Chief Technology Officer\nRequirements\nBachelor’s or master’s degree in Electrical Engineering, Computer Science, Robotics or equivalent\n\nDemonstrated experience in the role, owning complex systems based on Linux\n\nProficiency in C/C++ and Python\n\nExperience with Embedded Linux (Yocto) and bare-metal/RTOS embedded systems\n\nExperience with Device Drivers and User-Space Embedded Applications development\n\nExperience with lab equipment (oscilloscope, multimeter, etc.) for board bring-up and debug\n\nExperience with implementing and maintaining CI/CD processes\n\nProficient with System Design, designing complex, multi-processor systems\n\nExperience integrating sensors such as cameras, IMUs, rangefinders, etc.\n\nExcellent interpersonal communication skills in written and spoken English; French or Dutch is a plus\n\nYou are a self-starter, able to work in a high-ambiguity environment and willing to take up new challenges\n\nPreferred Qualifications\nExperience with the PX4 Flight Controller or other flight controllers\n\nProficient in Rust\n\nExperience with ST and NXP chipsets\n\nExperience with server communication (REST, gRPC, etc.)\n\nExperience with cameras and image sensors\n\nExperience with Mobile Apps integration (BLE, WiFi)\n\nWhat we offer\nAttractive compensation\n\nYear-end bonus eligibility\n\nStock Options Plan eligibility\n\nMobility Budget\n\n32 days of holidays\n\nMeal vouchers\n\nPrivate Health insurance\n\nWe 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!\nSphere Defense offers attractive compensation, stock options, and a unique opportunity to change the global defense landscape.\nThis role is only open to candidates with right to work in Belgium. We cannot provide visa sponsorship at this time.","description_format":"text","description_chars":3253,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Health insurance","Stock options"],"hiring_locations":[{"name":"Belgium","iso":"BE","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-13T08:56:36Z"}],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.178,"p_room":0.28,"age_days":157,"expected_fill_days":21,"reasons":["conf:1","win:tail","crowd:"],"computed_at":"2026-09-28T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/sphere-df-embedded-software-engineer","json_url":"https://alion.io/job/sphere-df-embedded-software-engineer.json","meta":{"generated_at":"2026-09-29T04:36:18Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":4371,"day_limit":5000,"remaining_today":629,"minute_limit":60,"resets_at":"2026-09-30T00:00:00Z"}}}