{"id":847805,"url":"https://alion.io/job/innophaseiot-senior-zigbee-thread-firmware-engineer","title":"Senior Zigbee / Thread Firmware Engineer","company":{"id":678880,"name":"InnoPhase IoT","domain":"innophaseiot.com","url":"https://alion.io/company/innophaseiot","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"D","score":45,"open_postings":13,"ghost_share":0.923,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-09-29T05:45:00Z"}},"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":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":17500,"max_usd":43000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":13},"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Embedded C","optional":false},{"name":"FreeRTOS","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"RTOS","optional":false},{"name":"Wireshark","optional":false},{"name":"Zigbee","optional":false},{"name":"C","optional":true}],"status":"live","first_seen_at":"2026-05-27T17:50:55Z","employer_posted_date":"2026-05-28","last_verified_at":"2026-09-29T14:21:38Z","board_verified":true,"closed_at":null,"days_open":125,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":125},"description":"About InnoPhase IoT\nIf you are keen to work with a bunch of brilliant people with various backgrounds, if you share the same value of working smart and celebrating successes, if you have enthusiasm for big technology in a small company, if your goals are to learn and experience different aspects of work--not just singing the same song every day, you’ll find your playground at Innophase IoT.\nWe are looking for people seeking AWESOMENESS! If you’re good at what you do, you can work anywhere. If you’re the best at what you do, come work at Innophase IoT!\nRole Overview\nWe are looking for a Senior Firmware Engineer with deep expertise in Zigbee, Thread, and IEEE 802.15.4 wireless stacks. The candidate will focus on architecting, developing, and optimizing embedded wireless protocol stacks on resource-constrained platforms, ensuring compliance, performance, and reliability.\nKey Responsibilities\nArchitect, design, and implement firmware solutions for Zigbee/Thread and IEEE 802.15.4-based products.\nDevelop and optimize low-level drivers, MAC/PHY interfaces, and protocol stack layers.\nDebug and resolve wireless interoperability and certification issues using sniffers (Ubiqua, Wireshark, Perytons).\nCollaborate with hardware, QA, and product teams to ensure robust HW/SW co-design and regulatory compliance.\nDebug, analyze, and optimize power consumption and timing for battery-operated IoT devices.\nSupport certification and compliance efforts for Zigbee/Thread-based products.\nDocument software design, testing procedures, and release notes.\nRequired Skills & Competencies\n12+ years of experience in embedded firmware development.\nStrong programming skills in C / Embedded C; assembly or scripting (Python) a plus.\nExpertise in IEEE 802.15.4 MAC/PHY, Zigbee, and Thread protocol stacks.\nExperience with embedded RTOS (FreeRTOS, Zephyr, or Linux system programming).\nProficiency in debug tools (JTAG, GDB, oscilloscopes, logic analyzers, sniffers).\nStrong knowledge of microcontrollers, transceivers, and RF system design basics.\nHands-on debugging and optimization for low-power wireless systems.\nFamiliarity with IoT frameworks and domains like home automation, security, and energy management.\nExcellent problem-solving, communication, and cross-functional collaboration skills.\nQualification\nBachelor’s or Master’s degree in Electronics, Computer Science, or related fields.\n• 12+ years of relevant experience in wireless embedded systems.\nIt is key to unleash the potential in every employee, every team, every leader, and the company herself. We know employees perform best when motivated, appreciated and recognized, and can be themselves. We are committed to building a culture where every voice can be heard, everyone has room for growth and can make meaningful contributions. At the end of the day, we want success not just for the company, but also for everyone who believes in the company, the vision, and the future.","description_format":"text","description_chars":2939,"description_truncated":false,"requirements":{"experience_years_min":12,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Processors, MCUs & AI Chips","RF & Wireless Hardware"],"lifecycle":[{"event":"open","at":"2026-09-13T01:44:16Z"}],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.293,"p_room":0.28,"age_days":124,"expected_fill_days":46,"reasons":["conf:9","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-09-29T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/innophaseiot-senior-zigbee-thread-firmware-engineer","json_url":"https://alion.io/job/innophaseiot-senior-zigbee-thread-firmware-engineer.json","meta":{"generated_at":"2026-09-30T05:38:04Z","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":4012,"day_limit":5000,"remaining_today":988,"minute_limit":60,"resets_at":"2026-10-01T00:00:00Z"}}}