{"id":1380741,"url":"https://alion.io/job/microsoft-principal-software-engineer-os-internals","title":"Principal Software Engineer - OS Internals","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":75,"open_postings":14,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-09-28T05:45:00Z"}},"role":"Backend","role_family":"Backend","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":["Hyderabad, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":24000,"max_usd":54000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":51},"experience_years_min":15,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"JavaScript","optional":false},{"name":"Python","optional":false},{"name":"Windows","optional":false},{"name":"Scrum","optional":true}],"status":"live","first_seen_at":"2026-09-25T10:38:20Z","employer_posted_date":"2026-09-28","last_verified_at":"2026-09-28T22:07:16Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"OverviewWould you like the satisfaction that comes with keeping every person and organization on the planet protected and productive each month through delivering high quality Windows updates? Do you want to explore and discover your full engineering potential? Do you enjoy working in a highly performing diverse team with comradery and passion for development? If you answered “yes,” Windows Servicing and Delivery Update Platform team is the place for you.\nWe are the Windows Servicing and Delivery (WSD) organization. We deliver updates to every Windows-based device in the world to protect users and enable them to be productive. While Security remains our primary focus, we also enable our commercial and enterprise customers by enabling new device support, addressing reliability and upgrade blocking issues. Our work is critical for the Windows family of devices, Azure and more. We are an agile team and ship twice every month, impacting over a billion Windows devices in the ecosystem. You will collaborate with your teammates in India, and your partner teams in Ireland and Redmond, Washington, USA.\nOur Update Platform team is looking for a highly motivated Principal Software Engineer to help us in this mission. You will play a key role in extending and modifying the Windows Update Platform for keeping our customer base secure, improving the reliability of the platform, addressing customer reported issues, and developing features to light up new scenarios for updates in the Windows ecosystem.\nMicrosoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.\nResponsibilities\nDevelop and execute the strategy and plan for continued improvement in how we deliver ongoing protections and innovations to the billion+ in-market Windows devices, gaining efficiency and building trust. \nCollaborate with senior executives at Microsoft, leaders from product engineering, security services, and other business units to ensure a shared sense of success. \nBe responsible for the engineering deliverables impacting billions of Windows customers. \nOversees partnership with appropriate stakeholders to determine user requirements within and across teams for multiple solutions or product lines. \nOversee teams and provides technical leadership for identification of dependencies and the development of design documents for a product, application, service, or platform. \nProvide technical leadership and guidance to development teams, ensuring best practices and high standards of software quality. \nEvaluate and recommend new technologies, tools, and processes to improve the efficiency and effectiveness of the team. \nDevelop features to support the update stack in Windows.\nReproducing, debugging and fixing customer-reported problems.\nCrafting high-quality, bug-free fixes with minimum application compatibility risk.\nAdding new features in the Windows Update Platform.\nPrioritizing your collection of work and delivering fixes in a timely fashion to meet deadlines.\nCollaborating with escalation engineers and other partner teams across Microsoft to debug, develop, test and ship updates.\nFinding ways to improve products, tools, and processes for long-term benefit for Microsoft and customers.\nMentoring engineers in the team.\nQualifications\nRequired Qualifications:\nBachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.OR equivalent experience.\n\nPreferred Qualifications:\nBachelor’s degree in computer science, or related technical discipline. \n15+ years of experience in building and shipping production-grade software products.\nSolid knowledge of software development methodologies, tools, and processes. \nExperience in managing highly complex, large-scale software engineering projects.\nExcellent problem-solving skills and the ability to think critically and creatively. \nSolid communication and interpersonal skills, with the ability to work effectively with cross-functional teams. \nProven track record of delivering high-quality software solutions on time and within budget. \nExperience in collaborating with geographically distributed partner teams. \nExperience with OS Internals and system programming.\nExperience with relevant programming skills in C, C++ or equivalent.\nAbility to understand unfamiliar code bases, and debug server-side, multi-threaded, and highly scalable applications. \nExperience in working with Windows system level programming is desirable.\nDemonstrated results working with a global team.\nExperience with Agile/scrum methodologies.\n#W+DJOBS\n#ewdindia\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. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.","description_format":"text","description_chars":5852,"description_truncated":false,"requirements":{"experience_years_min":15,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Console Games","Cloud Platforms (IaaS & PaaS)","Gaming Consoles","Developer Tools"],"lifecycle":[{"event":"open","at":"2026-09-28T08:13:05Z"}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":3,"expected_fill_days":19,"reasons":["conf:4","win:early","comp:brand"],"computed_at":"2026-09-29T03:05:34Z"},"pay":null,"html_url":"https://alion.io/job/microsoft-principal-software-engineer-os-internals","json_url":"https://alion.io/job/microsoft-principal-software-engineer-os-internals.json","meta":{"generated_at":"2026-09-29T03:05:34Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":2768,"day_limit":5000,"remaining_today":2232,"minute_limit":60,"resets_at":"2026-09-30T00:00:00Z"}}}