{"id":621963,"url":"https://alion.io/job/lumilens-power-integrity-engineer-silicon","title":"Power Integrity Engineer-Silicon","company":{"id":678172,"name":"Lumilens","domain":"lumilens.com","url":"https://alion.io/company/lumilens","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":89,"open_postings":148,"ghost_share":0.095,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":118,"computed_at":"2026-10-24T06:02:35Z"}},"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":167000,"max_usd":304000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":527},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ANSYS","optional":false},{"name":"Ansys RedHawk","optional":false},{"name":"Ansys SIwave","optional":false},{"name":"Cadence Sigrity","optional":false},{"name":"HPC","optional":false},{"name":"Keysight ADS","optional":false}],"status":"live","first_seen_at":"2026-06-17T17:31:16Z","employer_posted_date":"2026-06-17","last_verified_at":"2026-10-25T01:17:50Z","board_verified":true,"closed_at":null,"days_open":129,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":128},"description":"ABOUT LUMILENS\nAt Lumilens we are building the critical photonics infrastructure that powers tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is unlocking a new era of computing - faster, cooler, and massively more efficient.\nWe’re a well-funded startup backed by Mayfield and led by veterans who’ve built and scaled some of the most transformative technologies in the industry. At Lumilens, we’re developing high-speed photonics products purpose-built to power the future of AI infrastructure and high-performance computing.\nThis isn’t incremental innovation, it’s a ground-floor opportunity to rethink the optical layer from the silicon up. You’ll work alongside a team of world-class engineers solving some of the hardest challenges in scaling optical systems. Every line of code, every design decision, every breakthrough you help deliver will shape the infrastructure of tomorrow.\nIf you're looking for mission, momentum, and the chance to make an outsized impact, jump on the rocket ship. We’re just getting started.\nAbout the Role\nLumilens is revolutionizing AI compute infrastructure with next-generation photonic interconnects, enabling massive scale-out and scale-up architectures through co-packaged optics (CPO), near-packaged optics (NPO), high-density silicon photonics, and advanced heterogeneous integration.\nWe're looking for a world-class Senior / Principal Power Integrity Engineer to own and drive power delivery strategies across complex 2.5D/3D packages that integrate electrical ICs, photonic ICs, chiplets, and high-bandwidth memory. You'll architect robust, low-noise, high-efficiency PDNs that support extreme power densities, tight voltage margins, and ultra-high-speed signaling-critical for powering the world's largest AI clusters without compromising performance or reliability.\nKey Responsibilities\nDefine and implement power integrity architectures for 2.5D/3D heterogeneous integration, including chiplet-based designs, interposer/substrate scaling, on-package voltage regulation, multi-rail PDN topologies, decoupling strategies, and power-aware thermal co-design.\n\nPerform comprehensive full-stack power integrity analysis and optimization-from die-level IR drop and electromigration to package-level PDN impedance profiling, transient response, and system-level power delivery network (PDN) validation.\n\nModel, simulate, and validate power delivery solutions using industry-leading tools (e.g., Ansys SIwave, HFSS, Cadence Sigrity, Apache RedHawk, Voltus, or equivalent) across silicon, interposer, substrate, and board interfaces.\n\nLead power integrity co-design with silicon design, package engineering, and photonics teams to optimize bump maps, power/ground grid layouts, TSV/RDL routing, on-die decoupling, and voltage regulator placement for minimal noise, IR drop, and EMI in CPO/NPO systems.\n\nDrive selection and qualification of advanced power components (VRMs, capacitors, inductors, low-loss substrates, advanced TIMs) and collaborate with foundry/OSAT partners on PDN process capabilities, manufacturability, yield, and cost.\n\nDevelop and refine power integrity methodologies, design rules, and sign-off criteria tailored to high-performance AI accelerators, photonic transceivers, and chiplet architectures.\n\nAnalyze and mitigate power-related reliability risks, including electromigration, thermal-induced voltage droop, power sequencing, and long-term stability under dynamic AI workloads.\n\nPartner with cross-functional teams (architecture, Si design, package design, system engineering, supply chain) to explore emerging technologies, influence roadmaps, generate proof-of-concepts, and protect IP that maximizes power efficiency and performance.\n\nOwn power integrity qualification, lab validation (using high-bandwidth scopes, VNAs, spectrum analyzers), correlation to simulation, and readiness for volume production ramp.\n\nRequired Qualifications\nDeep expertise in power integrity for high-performance semiconductors, with strong knowledge of PDN design principles, frequency-domain analysis, transient response, on-chip/off-chip decoupling, IR drop/EM analysis, and noise mitigation techniques.\n\nProven track record leading power integrity efforts in advanced packaging environments, including 2.5D/3D integration, chiplets, silicon interposers/bridges, FOWLP, CoWoS, hybrid bonding, or similar technologies.\n\nBachelor’s degree in Electrical Engineering, Physics, or related field + 10+ years relevant industry experience; or Master’s/PhD + 7+ years related experience.\n\nHands-on proficiency with PI simulation tools (Ansys, Cadence/Sigrity, Keysight ADS, Apache/RedHawk, or equivalents) and correlation to silicon measurements.\n\nStrong understanding of chip-package-system interactions, high-speed signaling impacts on PDN, power-aware design for AI/HPC workloads, photonic interconnects and optical engines, and reliability failure mechanisms (e.g., EM, TDDB under high current densities).\n\nDemonstrated ability to lead complex, cross-functional programs across global teams, foundries, OSATs, and suppliers.\n\nExcellent communication, presentation, and documentation skills to influence stakeholders and drive technical alignment.\n\nPreferred Qualifications\nExperience with power integrity in silicon photonics, CPO/NPO, photonic IC/laser integration, or high-bandwidth optical interconnects for AI accelerators. DTCO for 3D IC solutions\n\nPrior work defining long-term PDN roadmaps and executing from concept through high-volume manufacturing in hyperscale AI or HPC environments.\n\nLeadership in multi-supplier or multi-company power integrity initiatives with measurable impact on performance, efficiency, or cost.\n\nFamiliarity with signal integrity/power integrity co-optimization, high-speed SerDes, PCIe/CXL interfaces, HBM integration, or advanced memory subsystems.\n\nFamilarity with photonic and electrical IC foundry processes (BICMOS, Advanced node CMOS...etc)\n\nKnowledge of board/system-level power delivery requirements and multi-physics considerations (thermal-electrical coupling).\n\nAbility to influence senior engineering leaders across silicon architecture, package design, systems, and supply chain.\n\nWhy Join Lumilens? Be at the forefront of AI infrastructure innovation. You'll solve some of the toughest power delivery challenges in photonic-enabled AI systems-directly enabling hyperscalers to build denser, more efficient compute clusters at unprecedented scale. Join a high-impact team backed by top investors, with deep expertise from industry leaders in photonics and connectivity.","description_format":"text","description_chars":6622,"description_truncated":false,"requirements":{"experience_years_min":10,"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":["Servers & Data Center Hardware","Optical Communications","Optics & Photonic Components"],"lifecycle":[{"event":"open","at":"2026-09-10T18:47:58Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"Filed H-1B visas in the last two years","filings_12m":0,"filings_prev_12m":1,"green_card_filings_12m":0,"median_offered_wage_usd":null,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":37,"band":"fade","label":"Fading","p_open":1,"p_active":0.842,"p_room":0.44,"age_days":128,"expected_fill_days":118,"reasons":["conf:3","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-24T06:02:35Z"},"pay":null,"html_url":"https://alion.io/job/lumilens-power-integrity-engineer-silicon","json_url":"https://alion.io/job/lumilens-power-integrity-engineer-silicon.json","meta":{"generated_at":"2026-10-25T04:51:42Z","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":6513,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"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":678172},"rest":"https://alion.io/mcp/rest/get_company?id=678172"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flumilens-power-integrity-engineer-silicon"},{"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%2Flumilens-power-integrity-engineer-silicon"},{"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%2Flumilens-power-integrity-engineer-silicon"},{"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/lumilens-power-integrity-engineer-silicon\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flumilens-power-integrity-engineer-silicon"}]}