{"id":1201454,"url":"https://alion.io/job/onsemi-senior-firmware-developer","title":"Senior Firmware Developer","company":{"id":58717,"name":"onsemi","domain":"onsemi.com","url":"https://alion.io/company/onsemi","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"B","score":82,"open_postings":165,"ghost_share":0,"stale_share":0.903,"repost_share":0,"time_to_fill_p50_days":3,"computed_at":"2026-09-26T05:45:00Z"}},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Waterloo, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":120000,"max_usd":226000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":131},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Assembly","optional":false},{"name":"C++","optional":false},{"name":"Embedded C","optional":false},{"name":"Git","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"Python","optional":false},{"name":"SystemVerilog","optional":false},{"name":"Verilog","optional":false},{"name":"C","optional":true}],"status":"live","first_seen_at":"2026-09-24T18:43:08Z","employer_posted_date":"2026-09-24","last_verified_at":"2026-09-26T21:37:44Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"About onsemi\nAt onsemi, we help improve lives every day through innovative silicon and software solutions. Our intelligent power and sensing technologies address some of the world’s most complex challenges, enabling a safer, cleaner, and smarter future. From leading-edge wireless-enabled MCUs and DSPs to software that senses and connects the world-or supports personal health through body-worn and implantable devices-we are at the forefront of technology that truly makes a difference. Our world-class ultra-low-power solutions further contribute to a more sustainable future.\nWe invite you to join our innovative team and help shape technologies that improve lives around the globe.\nThe Role\nWe are seeking a Senior Firmware Engineer to join our embedded firmware development team in our Waterloo office. This team specializes in developing low-level firmware for advanced power management devices, high performance sensing solutions, embedded ethernet solutions and industry-leading cloud power systems used by global infrastructure providers. In this role, you will collaborate closely with cross-functional teams-including system architecture, design engineering, applications engineering, and embedded firmware development-to deliver robust, high-quality solutions.\nWhy Join Us\nAt onsemi, we create a diverse range of world-class products in a collaborative, team-oriented environment. We foster continual learning and professional growth through opportunities such as education assistance, patent and publication incentives, and exposure to cutting-edge technologies.\nWe are also committed to supporting our employees beyond the workplace, offering volunteer and charitable programs, flexible work hours, and comprehensive wellness and retirement benefits-helping you maintain a healthy work-life balance.\n What You’ll Do\nCollaborate with system architects, design engineers, firmware engineers, and applications engineers to define and implement optimal firmware solutions\nDevelop firmware architecture specifications and associated test plans\nArchitect and implement embedded firmware primarily in C, with occasional use of C++ or assembly as required\nDebug firmware on custom hardware platforms and prototypes\nOptimize, refactor, and maintain existing firmware codebases\nParticipate in an Agile development environment, contributing to task planning, execution, and timely status updates\nApply best practices for coding, documentation, and tool usage (e.g., Git, JIRA, and related development tools)\nWork closely with digital design engineers to emulate and validate new designs using FPGA platforms\nLeverage AI-assisted tools throughout the development lifecycle, including requirements analysis, design exploration, coding, test generation, debugging, documentation, and code review\nEvaluate and apply AI capabilities in a disciplined and secure manner to improve developer productivity, code quality, and system understanding\nWhat You’ll Need\nBachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Software Engineering, or a related discipline\n3-5 years of experience in embedded firmware development\nStrong proficiency in embedded C, with working knowledge of C++ and assembly language\nSolid understanding of embedded system design at both board and IC levels\nGood knowledge of microprocessor architectures, including memory subsystems, interrupts, and common peripherals\nExperience with communication protocols such as UART, I²C, SPI, and USB\nFamiliarity with hardware debug and analysis tools (e.g., hardware debuggers, oscilloscopes, logic analyzers)\nStrong communication and interpersonal skills, with the ability to collaborate effectively across teams\nProven ability to plan and manage work to meet project deadlines\nDetail-oriented, quality-focused, and a strong team player\nInterest in or experience with the semiconductor industry\nDemonstrated experience using AI-assisted development tools across multiple stages of the software lifecycle (design, implementation, validation, and maintenance)\nAbility to critically assess AI-generated outputs, validate correctness, and integrate them safely into production-grade firmware\nWhat Else You May Bring\nExperience with scripting languages, particularly Python\nExperience with ARM Cortex-M based microcontrollers\nHands-on experience with FPGA prototype platforms for system evaluation\nExperience with Verilog or SystemVerilog\nExperience running and analyzing RTL simulations\nExperience building or customizing AI-enabled workflows (e.g., prompt engineering, automation, or tool integration) to support firmware development, verification, or documentation\nFamiliarity with enterprise and security considerations when applying AI in a regulated or IP-sensitive environment","description_format":"text","description_chars":4763,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Education assistance","Flexible schedule"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Analog & Power Semiconductors","Machine Vision & 3D Cameras"],"lifecycle":[{"event":"open","at":"2026-09-24T21:05:14Z"}],"liveness":{"score":54,"band":"ok","label":"Likely open","p_open":1,"p_active":0.599,"p_room":0.9,"age_days":1,"expected_fill_days":3,"reasons":["conf:1","stale_co","velocity","win:mid","comp:brand"],"computed_at":"2026-09-26T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/onsemi-senior-firmware-developer","json_url":"https://alion.io/job/onsemi-senior-firmware-developer.json","meta":{"generated_at":"2026-09-27T00:09:54Z","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":98,"day_limit":5000,"remaining_today":4902,"minute_limit":60,"resets_at":"2026-09-28T00:00:00Z"}}}