{"id":1984357,"url":"https://alion.io/job/microsoft-principal-optical-engineer-2","title":"Principal Optical Engineer","company":{"id":18,"name":"Microsoft","domain":"microsoft.com","url":"https://alion.io/company/microsoft","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eightfold","truth_index":{"grade":"B","score":82,"open_postings":335,"ghost_share":0,"stale_share":0.719,"repost_share":0.009,"time_to_fill_p50_days":29,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Semiconductors","role_family":"Semiconductors","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Washington, United States","Mountain View, United States","Austin, United States","Hillsboro, United States","Raleigh, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":142800,"max":274800,"currency":"USD","period":"year","gross":null,"usd_annual":274800},"salary_estimate":null,"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Azure","optional":false},{"name":"OneDrive","optional":false},{"name":"InfiniBand","optional":true}],"status":"closed","first_seen_at":"2026-09-14T22:22:38Z","employer_posted_date":"2026-10-06","last_verified_at":"2026-11-02T10:20:56Z","board_verified":false,"closed_at":"2026-11-02T10:20:56Z","days_open":48,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":48},"description":"OverviewMicrosoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent Cloud” mission. SCHIE delivers the core infrastructure and foundational technologies for Microsoft's over 200 online businesses including Bing, MSN, Office 365, Xbox Live, Teams, OneDrive, and the Microsoft Azure platform globally with our server and data center infrastructure, security and compliance, operations, globalization, and manageability solutions. Our focus is on smart growth, high efficiency, and delivering a trusted experience to customers and partners worldwide and we are looking for engineers to help achieve that mission.\nAs Microsoft's cloud business continues to grow the ability to deploy new offerings and hardware infrastructure on time, in high volume with high quality and lowest cost is of paramount importance. To achieve this goal, the Cloud Hardware Systems Engineering (CHSE) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware. We are looking for engineers with a dedicated passion for customer focused solutions, insight and industry knowledge to envision and implement future technical solutions that will manage and optimize the Cloud infrastructure.\nWe are seeking a Principal Optical Engineer to drive the architectural design, production roadmap, engineering efforts for next-generation optical interconnects in hyperscale AI infrastructure.\nThis role will serve as an architect/engineer responsible for Cloud/AI optical interconnects, and rack-scale fiber management. The candidate will work across silicon, systems, networking, platform architecture, datacenter engineering, and external ecosystem partners to bring innovative optical technologies from concept through large-scale production deployment.\nThe ideal candidate combines deep expertise in optical systems with strong architecture, ecosystem, and execution skills, and can influence platform-level decisions across multiple generations of AI infrastructure.\n#SCHIE\nResponsibilities\nThis individual will serve as one of Microsoft's technical leaders in optics and photonics, shaping the company's multi-generation roadmap for Cloud/AI interconnects and rack-scale optical infrastructure. Success in this role will directly influence platform architecture, deployment scalability, power efficiency, cost structure, and time-to-revenue for future AI systems.\nDefine and drive Microsoft's optical interconnect strategy for next-generation AI platforms.\n\nEvaluate emerging technologies and determine the optimal migration path across multiple platform generations.\n\nLead architecture and product definition for rack-scale fiber management supporting AI clusters\n\nDefine bandwidth density, latency, reliability, power efficiency, serviceability, manufacturability, and cost targets.\n\nLead development of rack-scale fiber management solutions including Fiber shuffles, Fiber connectors, and fiber cabling\n\nDevelop standards and best practices for large-scale deployment of optical infrastructure across AI datacenters.\n\nDrive supplier roadmaps to align with Microsoft's future platform requirements.\n\nInfluence industry standards and ecosystem direction through joint development initiatives and technical forums.\n\nDrive architecture reviews and technical decision making across multiple organizations.\n\nGuide optical technologies through proof-of-concept, qualification, productization, manufacturing readiness, and fleet deployment.\n\nSupport root-cause analysis and operational issue resolution for deployed systems.\n\nQualifications\nRequired Qualifications:\nMaster's Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 7+ years technical engineering experience OR Bachelor's Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 8+ years technical engineering experience OR equivalent experience.\n\nOther Requirements:\nAbility to meet Microsoft, customer, and/or government security screening requirements is required for this role. These requirements include, but are not limited to, the following specialized security screening:\nMicrosoft Cloud Background Check. This position is required to pass the Microsoft Cloud Background Check upon hire or transfer and every two years thereafter.\n\nPreferred Qualifications:\nKnowledge and experience of Fiber Optics including related tools, devices, processes, design, operations, or manufacturing, etc.\n\nDoctorate Degree in Electrical Engineering, Optical Engineering, Mechanical Engineering, or related field AND 6+ years of technical engineering experience OR Master's Degree in Electrical Engineering, Optical Engineering, Mechanical Engineering, or related field AND 8+ years of technical engineering experience OR Bachelor's Degree in Electrical Engineering, Optical Engineering, Mechanical Engineering, or related field AND 12+ years of technical engineering experience OR equivalent experience.\n\nDeep expertise and hands-on in one or more of the following:\nData center networking\n\nHigh-speed copper or optical interconnects\n\nHigh-speed optical transmission systems\n\nCo-Packaged Optics (CPO) or Near-Packaged Optics (NPO)\n\nSilicon Photonics\n\nPluggable optics\n\nAdvanced packaging\n\nRack-scale fiber management\n\nExperience with AI infrastructure, GPU fabrics, InfiniBand, Ethernet, or UALink ecosystems.\n\nKnowledge of Optical Engineering and Optical Engineering concepts, testing procedures, standards, tools and appropriate analysis methods.\nExperience developing high-density fiber infrastructure, including fiber shuffle solutions, patch panels, connectors, cable assemblies, and rack-scale optical systems.\n\nHands-on testing and validation experience in active and passive fiber optic components and end-to-end fiber links.\n\nHardware Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.\nCertain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:\nhttps://careers.microsoft.com/us/en/us-corporate-pay\nThis position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.\nMicrosoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. 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