{"id":2877428,"url":"https://alion.io/job/microchip-technology-embedded-software-developer-ethernet-phy-interface-drivers","title":"Embedded Software Developer – Ethernet PHY & Interface Drivers","company":{"id":44188,"name":"Microchip Technology","domain":"microchip.com","url":"https://alion.io/company/microchip","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Herlev, Denmark"],"countries":["DK"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":81000,"max_usd":186000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1777},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"CI/CD","optional":false},{"name":"CMake","optional":false},{"name":"Git","optional":false},{"name":"Linux","optional":false},{"name":"Ruby","optional":false},{"name":"C++","optional":true}],"status":"live","first_seen_at":"2026-08-28T00:00:00Z","employer_posted_date":"2026-08-28","last_verified_at":"2026-10-21T21:17:28Z","board_verified":true,"closed_at":null,"days_open":54,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":54},"description":"Are you looking for a unique opportunity to be a part of something great? Want to join a 17,000-member team that works on the technology that powers the world around us? Looking for an atmosphere of trust, empowerment, respect, diversity, and communication? How about an opportunity to own a piece of a multi-billion dollar (with a B!) global organization? We offer all that and more at Microchip Technology Inc.\nPeople come to work at Microchip because we help design the technology that runs the world. They stay because our culture supports their growth and stability. They are challenged and driven by an incredible array of products and solutions with unlimited career potential. Microchip’s nationally-recognizedLeadership Passage Programs support career growth where we proudly enroll over a thousand people annually. We take pride in our commitment to employee development, values-based decision making, and strong sense of community, driven by our Vision, Mission, and 11 Guiding Values; we affectionately refer to it as the Aggregate System and it’s won us countless awards for diversity and workplace excellence.\nOur company is built by dedicated team players who love to challenge the status quo; we did not achieve record revenue and over 30 years of quarterly profitability without a great team dedicated to empowering innovation. People like you.\nVisit our careers page to see what exciting opportunities and company perks await!\nJob Description:\nAre you passionate about embedded software and eager to develop drivers that enable physical/electrical network interfaces? Do you thrive when creating software for automotive and other safety-critical industries, and enjoy working close to the hardware? Microchip Denmark is looking for a new colleague to join our local software team, focusing on OS-agnostic C-API products that interface directly with the physical Ethernet layers.\nYou will be part of a highly skilled team working closely with cross-functional groups designing chips, testing them, and supporting customers. Your work will directly impact the performance and reliability of Ethernet interfaces used in automotive and industrial applications.\n Key Responsibilities\nDevelop and maintain OS-agnostic C APIs for physical network interfaces.\nBring up and tune a variety of interfaces, ranging from 10 Mbit MII to high-speed Ethernet SerDes interfaces (1G-25G).\nUnderstand and implement PCS and MAC layer functionality from a software driver perspective.\nDevelop and maintain PHY drivers for various Ethernet standards including 1000BASE-T, 1000BASE-T1, 10BASE-T1S, etc.\nContribute to the associated switch driver as well.\nWrite MISRA-compliant C code in accordance with ASPICE and automotive safety standards.\nContribute to the automated testing infrastructure and help maintain test platforms.\nRequirements/Qualifications:\nWhat you bring\nStrong proficiency in C and embedded software development.\n\nExperience with, or a strong interest in, physical Ethernet layers, PHYs, and interface standards.\n\nA willingness to work close to hardware and investigate problems using datasheets, specifications, registers, test equipment, and debug tools.\n\nExperience working in regulated environments with demanding safety, quality, and reliability requirements.\n\nA structured and analytical approach to troubleshooting complex technical issues.\n\nThe ability to work independently while contributing effectively to a collaborative, cross-functional team.\n\nGood written and spoken English communication skills.\n\nA relevant technical education and five or more years of applicable experience.\n\nAdditional experience that would be an advantage\nExperience with Ethernet switch SoCs, PHYs, or network interface drivers.\n\nKnowledge of IEEE 802.1Q and fundamental Layer 2 forwarding concepts.\n\nFamiliarity with Ethernet bring-up, link training, auto-negotiation, PCS, MAC, SerDes, or MDIO management.\n\nExperience with automotive or industrial Ethernet technologies.\n\nKnowledge of Git, MISRA, ASPICE, ISO 26262, IEC 62443, or similar standards and processes.\n\nExperience participating in standardization bodies, industry consortia, or technical working groups.\n\nExperience with Linux user-space or kernel-space development.\n\nExperience with Ruby, CMake, automated testing, or continuous integration.\n\nPractical experience with AI-assisted development tools, with an understanding of responsible use, verification, code ownership, and security considerations.\n\nWhat we offer\nA key role in a team developing advanced Ethernet technologies for automotive and industrial applications.\n\nThe opportunity to work directly with hardware and influence products from early chip bring-up through production.\n\nAccess to experts in chip design, embedded software, networking, testing, and industry standards.\n\nA technically challenging environment where learning and innovation are encouraged.\n\nInternational collaboration and opportunities for travel.\n\nCareer development opportunities in both technical and managerial directions.\n\nAn informal, friendly, and collaborative office culture with meals and snacks provided.\n\nCompetitive compensation and benefits, including pension, healthcare, and stock options.\n\nJoin us\nIf you are motivated by challenging embedded-software problems, enjoy working close to the hardware, and want to help build the Ethernet technologies of tomorrow, we would love to hear from you.\nJoin Microchip Denmark and help connect the next generation of vehicles, machines, and industrial systems.\nTravel Time:\n0% - 25%To all recruitment agencies: Microchip Technology Inc. does not accept unsolicited agency resumes. Please do not forward resumes to our recruiting team or other Microchip employees. Microchip is not responsible for any fees related to unsolicited resumes.","description_format":"text","description_chars":5792,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":["Stock options"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Processors, MCUs & AI Chips","Analog & Power Semiconductors"],"lifecycle":[{"event":"open","at":"2026-10-19T21:52:07Z"}],"visa":[],"liveness":{"score":29,"band":"fade","label":"Fading","p_open":1,"p_active":0.647,"p_room":0.45,"age_days":54,"expected_fill_days":28,"reasons":["conf:2","velocity","win:tail","comp:brand"],"computed_at":"2026-10-21T05:46:15Z"},"pay":null,"html_url":"https://alion.io/job/microchip-technology-embedded-software-developer-ethernet-phy-interface-drivers","json_url":"https://alion.io/job/microchip-technology-embedded-software-developer-ethernet-phy-interface-drivers.json","meta":{"generated_at":"2026-10-21T23:11:28Z","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":33011,"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":44188},"rest":"https://alion.io/mcp/rest/get_company?id=44188"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmicrochip-technology-embedded-software-developer-ethernet-phy-interface-drivers"},{"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%2Fmicrochip-technology-embedded-software-developer-ethernet-phy-interface-drivers"},{"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%2Fmicrochip-technology-embedded-software-developer-ethernet-phy-interface-drivers"},{"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/microchip-technology-embedded-software-developer-ethernet-phy-interface-drivers\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmicrochip-technology-embedded-software-developer-ethernet-phy-interface-drivers"}]}