{"id":2570201,"url":"https://alion.io/job/tylsemi-staff-embedded-firmware-engineer-platform-controller-zephyr-rtos","title":"Staff Embedded Firmware Engineer — Platform Controller (Zephyr RTOS)","company":{"id":4380397,"name":"TYLsemi","domain":"tylsemi.ai","url":"https://alion.io/company/tylsemi","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rippling","truth_index":{"grade":"A","score":95,"open_postings":13,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":92,"computed_at":"2026-10-21T05:46:15Z"}},"role":"Hardware","role_family":"Hardware","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Jose, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":166000,"max_usd":300000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":492},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"HPC","optional":false},{"name":"Anomaly Detection","optional":true},{"name":"C","optional":true},{"name":"C++","optional":true},{"name":"CMake","optional":true},{"name":"GCC","optional":true},{"name":"Git","optional":true},{"name":"OpenAI","optional":true},{"name":"Python","optional":true},{"name":"Quantization","optional":true},{"name":"RTOS","optional":true},{"name":"Rust","optional":true}],"status":"closed","first_seen_at":"2026-09-21T19:37:39Z","employer_posted_date":"2026-09-21","last_verified_at":"2026-10-19T18:40:07Z","board_verified":false,"closed_at":"2026-10-19T18:40:07Z","days_open":27,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":27},"description":"About TYLsemi, Inc.\nThe Opportunity\nThe AI infrastructure market is exploding. Every hyperscaler, every cloud provider, every AI company is building custom silicon. But they all face the same problem: how do you connect hundreds of chips, deliver clean power at scale, and move terabits of data without melting the package?\nThat's what we solve. TYLsemi builds the chiplet infrastructure IP - the IO, power delivery, and interconnect building blocks - that makes AI/HPC systems actually work at scale.\nThis isn't a nice-to-have. It's the critical path.\nWhy Now\nThe Market Window\nThe semiconductor industry is going through its biggest architectural shift in 40 years:\nMoore's Law is dead. 2nm and beyond delivers marginal performance gains. The future is chiplets, not monolithic dies.\nCustom silicon is now mainstream. Google, Microsoft, Amazon, Meta, OpenAI - they're all designing their own ASICs. The $50B custom silicon market is growing 30% annually.\nIO and power are the bottleneck. Solve hard problems and provide something which is a category in itself.\nTranslation: We're entering the market at exactly the moment when every major AI/HPC player needs what we're building, and their alternatives are disappearing.\nCulture & Team: How We Work\nNo Politics, No Bureaucracy\nThere are no layers, no approval chains, no corporate theater.\nIf you have an idea, we test it. If it works, we ship it.\nNo endless meetings, no PowerPoint presentations to convince middle management.\nRemote-Friendly, Global Team\nUS team: Bay Area preferred, but we hire the best people regardless of location\nIndia team: Building a world-class design center in Bangalore\nMove Fast, Ship Real Products\nWe're not a research project. We have paying customers, committed capital, and aggressive timelines.\nThis is a company, not a lifestyle business. We're building to win.\nWhat We Value\nOwnership mindset. You're not here to execute someone else's roadmap. You're here to define it.\nBias for action. We move fast. Analysis paralysis doesn't fly here.\nDeep technical expertise. This is hard engineering. We need people who've shipped real silicon and debugged real hardware.\nLow ego, high standards. We don't care about titles or politics. We care about results.\nThe Ask\nIf you're reading this, you're probably comfortable. You have a good job at a stable company with all the benefits.\nWe're asking you to walk away from that and bet on us.\nHere's why you should:\nThe market is real. AI infrastructure spending is $200B+ annually and growing 40% YoY. Every hyperscaler needs what we're building.\nThe team has done this before. We've built and exited semiconductor companies at scale. This isn't our first rodeo.\nThe traction is de-risked. We have LOIs, strategic investors, and a clear path to revenue.\nThe work is consequential. You're not optimizing someone's ad click-through rate. You're building the silicon infrastructure that powers AI.\nThis is the bet. Join us and build something that matters.\nOr stay comfortable. No judgment.\nBut if you're the kind of person who wants to take the shot, we'd love to talk.\nREADY TO JOIN?\nRole Overview\nWe are building the firmware that runs on our platform management controller: a Zephyr -based system responsible for power sequencing, rail telemetry, board health, and secure boot on next-generation silicon. This Staff Embedded Firmware Engineer - Platform Controller (Zephyr RTOS) owns firmware from pre-silicon bring-up through production release, working shoulder-to-shoulder with design, DV, and systems teams.\nWhat you’ll do\nDesign, implement, and maintain Zephyr RTOS firmware for platform management controller, including device drivers, subsystem integration, and application-level services.\nWrite and upstream-quality-review drivers against Zephyr's driver model - devicetree bindings, Kconfig, init levels and priorities, struct device APIs.\nDeploy and maintain lightweight ML inference on target for anomaly detection and predictive fault analysis; own the path from trained model to running firmware.\nPerform post-silicon bring-up: first-boot debug, clock and reset validation, bus enumeration, triage of RTL-versus-firmware ambiguity with design teams.\nDebug hard problems using JTAG/SWD, ETM/ITM trace, protocol analyzers, and logic analyzers - including intermittent, timing-dependent, and multi-master bus failures.\nBuild and extend CI: unit tests, Twister test suites, hardware-in-the-loop regression, static analysis gates.\nWrite the documentation your teammates and customers will actually rely on - design docs, bring-up guides, register-level notes, release notes.\nRequired qualifications\n8-10 years of professional embedded firmware development in C, with meaningful exposure to modern C++ or Rust.\nDeep, hands-on RTOS experience on 32-bit microcontrollers (Arm Cortex-M or RISCV) - scheduling, priority assignment, ISR design, synchronization primitives, and the failure modes each one produces.\nStrong grasp of serial protocols at the wire level: I2C, SPI, UART - arbitration, clock stretching, timing parameters, and how they break.\nPractical debugging skill with JTAG/SWD debuggers, oscilloscopes, logic analyzers, and protocol decoders.\nComfort with the toolchain: Git, GCC/Clang, CMake, Python scripting, and CI systems.\nApplied AI/ML knowledge - at minimum, a working understanding of model training and deployment workflows, quantization and its accuracy cost, inference latency and memory budgeting on constrained targets, and honest judgment about when ML is and is not the right tool for a control problem.\nBS or MS in Electrical Engineering, Computer Engineering, Computer Science, or equivalent practical experience.\nPreferred qualifications\nStrong candidates will have direct experience with several of the following. We do not expect all of them.\nRTOS and platform\nZephyr RTOS in production: devicetree, Kconfig, west workspaces, SYS_INIT and device init ordering, Twister, upstream contribution history.\nBare-metal and boot-path firmware, including boot ROM code, secure boot chains, and ROM-to-application handoff.\nOn-chip bus fabric familiarity - AMBA APB / AHB - and what a fabric-level stall or misconfigured bridge looks like from the firmware side.\nPeripherals and subsystems\nPMBus and SMBus - command sets, PEC, ALERT handling, multi-master and bus-recovery behavior.\nQSPI flash: XIP, DMA-driven transfers, dual/quad modes, flash programming and update paths.\nGPIO expanders and pin multiplexing; PWM and PIT/timer peripherals for control loops and precise sequencing.\nWatchdog design - windowed watchdogs, task-level petting strategies, and failure-mode analysis.\nInterrupt controller configuration nested and prioritized interrupts, latency measurement and reduction.\nTelemetry subsystem design: ADC sampling strategy, calibration, scaling, and out-of-band reporting.\nDebug and trace infrastructure - ETM/ITM, SWO, coresight, trace-based performance and timing analysis.\nAI based coding experience is must\nCompesation\nThe compensation range shown below represents total target cash compensation and includes both base salary and target bonus. Actual compensation will vary based on factors such as experience, skills, qualifications, job level, and work location.\nIn addition to cash compensation, this position is eligible for equity in the form of stock options, giving you the opportunity to share in the Company’s long-term growth and success.","description_format":"text","description_chars":7418,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity","Stock options"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Design & Creative"],"lifecycle":[{"event":"open","at":"2026-10-14T22:44:48Z"},{"event":"close","at":"2026-10-19T18:40:07Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/tylsemi-staff-embedded-firmware-engineer-platform-controller-zephyr-rtos","json_url":"https://alion.io/job/tylsemi-staff-embedded-firmware-engineer-platform-controller-zephyr-rtos.json","meta":{"generated_at":"2026-10-21T10:29:49Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":14869,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-22T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4380397},"rest":"https://alion.io/mcp/rest/get_company?id=4380397"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftylsemi-staff-embedded-firmware-engineer-platform-controller-zephyr-rtos"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ftylsemi-staff-embedded-firmware-engineer-platform-controller-zephyr-rtos"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ftylsemi-staff-embedded-firmware-engineer-platform-controller-zephyr-rtos"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/tylsemi-staff-embedded-firmware-engineer-platform-controller-zephyr-rtos\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftylsemi-staff-embedded-firmware-engineer-platform-controller-zephyr-rtos"}]}