{"id":1684948,"url":"https://alion.io/job/monolithic-power-systems-staff-biosplatform-system-engineer","title":"Staff BIOS/Platform System Engineer","company":{"id":58924,"name":"Monolithic Power Systems","domain":"monolithicpower.com","url":"https://alion.io/company/monolithic-power-systems","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":75,"open_postings":92,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-08T05:49:30Z"}},"role":"DevOps","role_family":"DevOps","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":157000,"max_usd":306000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":466},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"C++","optional":false},{"name":"JTAG Debuggers","optional":false},{"name":"Python","optional":false},{"name":"Agile","optional":true},{"name":"CI/CD","optional":true},{"name":"Git","optional":true}],"status":"live","first_seen_at":"2026-08-18T00:00:00Z","employer_posted_date":"2026-08-18","last_verified_at":"2026-10-09T01:41:24Z","board_verified":true,"closed_at":null,"days_open":52,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":52},"description":"Monolithic Power Systems, Inc. (MPS) is one of the fastest growing companies in the Semiconductor industry. We are worldwide technical leaders in Integrated Power Semiconductors and Systems Power delivery architectures. At MPS, we cultivate creativity, are passionate about sustainability, and are committed to providing leading-edge products and innovation to our customers. Our portfolio of technology helps power our world ---come join our team and see how YOU can make a difference.\n Job Description:\nWe are seeking a skilled and motivated Senior BIOS Engineer to join our system engineering team. In this role, you will work closely with Systems Engineers to troubleshoot, validate, and optimize firmware and low-level software across a diverse portfolio of platforms built on AMD, Intel, and ARM-based CPUs, with a focus on DDR memory subsystems and other critical components. You will play a key role in bringing up/troubleshooting and validating memory subsystem/components on different platforms, resolving complex hardware-software interface issues, and ensuring robust interoperability/compatibility of subsystems/components and production readiness.\nKey Responsibilities\nLead BIOS-level bring-up and validation for new hardware platforms, including debug of CPU, chipset, and memory (DDR5/6) subsystems.\nDevelop and execute validation test plans for BIOS features, power management (ACPI/S-states), security features (Secure Boot, TPM, AMD PSP, Intel TXT/SGX), and boot flows.\nSupport manufacturing and sustaining engineering with BIOS customization, factory programming, and field issue resolution.\nAnalyze, troubleshoot, and customize BIOS/UEFI firmware for platforms using AMD EPYC/Ryzen, Intel Core/Xeon, and ARM-based processors.\nCollaborate closely with Systems Engineers to troubleshoot and validate subsystems and components across the full platform stack.\nAnalyze and resolve hardware-firmware interface issues including POST failures, memory training errors, PCIe enumeration problems, and thermal/power sequencing anomalies.\nConfigure and validate DDR5 memory subsystems, including SPD/XMP programming, memory training tuning, RAS features, and JEDEC compliance.\nWork with CPU vendors to ensure the adoption of certain BIOS customization for certain platforms\nDebug using industry-standard tools such as JTAG/ITP debuggers, logic analyzers, oscilloscopes, and serial console output.\nAuthor and maintain issue logs/notes, validation reports, debug guides, and internal technical documentation.\nParticipate in design reviews, hardware bring-up planning, and cross-functional meetings\nRequired Qualifications\nBachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a closely related field.\n3+ years of hands-on experience in BIOS/UEFI firmware development or validation.\nDemonstrated experience with at least two of the following CPU architectures: AMD (AGESA, EPYC/Ryzen), Intel (FSP, Core/Xeon), or ARM (TF-A, EDK2).\nStrong understanding of DDR5 memory architecture, training algorithms, SPD/MR registers, and RAS features.\nProficiency in C/C++ and scripting languages (Python, Bash) for firmware development and automation.\nExperience with UEFI/EDK2 framework, SMM, DXE, PEI driver development, and ACPI/ASL.\nFamiliarity with hardware debug tools: JTAG debuggers (Intel ITP, Lauterbach), protocol analyzers, oscilloscopes, and serial console interfaces.\nSolid understanding of platform busses and interfaces: PCIe, USB, I2C/SMBus, SPI, LPC, UART, and GPIO.\nExperience reading and interpreting hardware schematics, datasheets, and silicon vendor documentation.\nExcellent analytical and problem-solving skills with the ability to work across hardware and software boundaries.\nStrong written and verbal communication skills; experience authoring technical documentation.\nPreferred Qualifications\nExperience with AMD PSP, Intel ME/CSME, or ARM TrustZone security subsystems.\nFamiliarity with BMC firmware (OpenBMC) and IPMI/Redfish management interfaces.\nKnowledge of server platform RAS features: DRAM ECC, memory mirroring, patrol scrub, and machine check architecture (MCA).\nExposure to PCIe Gen 5 or CXL 2.0/3.0 interconnect validation.\nHands-on experience with JEDEC DDR5 compliance testing and memory timing optimization.\nUnderstanding of power management frameworks: ACPI, AMD STAPM, Intel DPTF, and platform telemetry.\nPrior collaboration with silicon vendors (AMD, Intel, Arm Ltd.) on pre-silicon or early-silicon bring-up.\nExperience with version control systems (Git), CI/CD pipelines, and agile engineering workflows.\nWork Environment & Collaboration\nThis role requires close day-to-day collaboration with Systems Engineers, Hardware Engineers, and Design/Applications Engineers in a fast-paced lab environment. You will have access to pre-production hardware, silicon support, and a dedicated debug lab equipped with industry-standard instrumentation. Occasional travel to vendor or customer sites may be required.\nWhat We Offer\nCompetitive salary and equity compensation.\nComprehensive health, dental, and vision benefits.\nOpportunity to work on cutting-edge hardware with next-generation silicon.\nCollaborative, technically rigorous team culture.\nFlexible work arrangements and professional development support.\nMPS offers a comprehensive benefits package. We provide health care coverage, dental and vision, 401(K) with a company match, Employee Stock Purchase Program (ESPP), up to 11 company paid holidays, and 15- 20 days of paid time off depending on your tenure, generous discretionary company bonuses, and life and disability protection. Employees in sales positions may be eligible for our sales incentive bonuses. Employees in certain positions may be eligible for stock compensation. For more information on MPS’ benefits please view our company website at www.monolithicpower.com.\nPay is based on market location and may vary based on factors including experience, skills, education and other job-related reasons. The base salary range for this position in California is $140,000 - $220,000.\nMonolithic Power Systems, Inc. (MPS) is an Equal Opportunity Employer and embraces diversity in our employee population. It is the policy of MPS to provide equal opportunity to all qualified applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status or special disabled veteran, marital status, pregnancy, genetic information, or any other legally protected status.","description_format":"text","description_chars":6542,"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":["Equity","Flexible schedule","Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-02T10:18:34Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 26 · green card filings: 4","filings_12m":26,"filings_prev_12m":21,"green_card_filings_12m":4,"median_offered_wage_usd":156167,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":2}],"liveness":{"score":21,"band":"cold","label":"Long shot","p_open":1,"p_active":0.467,"p_room":0.44,"age_days":51,"expected_fill_days":37,"reasons":["conf:2","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-08T05:49:30Z"},"pay":null,"html_url":"https://alion.io/job/monolithic-power-systems-staff-biosplatform-system-engineer","json_url":"https://alion.io/job/monolithic-power-systems-staff-biosplatform-system-engineer.json","meta":{"generated_at":"2026-10-09T02:39:12Z","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","counted_by":"address","units_charged":1,"used_today":930,"day_limit":5000,"remaining_today":4070,"minute_limit":60,"resets_at":"2026-10-10T00:00:00Z"}},"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":58924},"rest":"https://alion.io/mcp/rest/get_company?id=58924"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmonolithic-power-systems-staff-biosplatform-system-engineer"},{"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%2Fmonolithic-power-systems-staff-biosplatform-system-engineer"},{"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%2Fmonolithic-power-systems-staff-biosplatform-system-engineer"},{"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/monolithic-power-systems-staff-biosplatform-system-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmonolithic-power-systems-staff-biosplatform-system-engineer"}]}