{"id":1926297,"url":"https://alion.io/job/microsoft-principal-security-engineer-7","title":"Principal Security 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":75,"open_postings":86,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Security","role_family":"Security","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":["Vancouver, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":142400,"max":257500,"currency":"CAD","period":"year","gross":null,"usd_annual":180571},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-02T15:19:14Z","employer_posted_date":"2026-10-05","last_verified_at":"2026-10-12T05:27:13Z","board_verified":true,"closed_at":null,"days_open":9,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":9},"description":"OverviewThe Microsoft Windows Security team is looking for a Principal Security Engineer to help secure Windows products and devices through offensive security, vulnerability research, and the development of scalable security mitigations.\nThe Windows Security team helps protect Windows client and server operating systems used by customers and businesses worldwide. The team performs security design and code reviews, penetration testing, and vulnerability research while developing defenses that strengthen Windows against evolving cybersecurity threats.\nIn this role, you will identify and investigate complex security vulnerabilities and novel attack vectors across Windows, develop proof-of-concept exploits, and design durable mitigations for individual vulnerabilities and broader classes of security issues. You will apply deep knowledge of native code, operating system security, vulnerability research, and offensive security techniques while partnering with Windows engineering teams to incorporate security into product architecture and design.\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\nConduct vulnerability research and offensive security assessments across Windows, using techniques such as code auditing, fuzzing, penetration testing, and exploitation to identify vulnerabilities and no\ncomplex security risks, and develop durable defenses.\nEngage with internal and external security communities to understand emerging vulnerabilities, attack techniques, and opportunities to strengthen Windows securityvel attack vectors.\nReview product architecture, features, and native code to identify security vulnerabilities and architectural risks using manual and automated security analysis techniques.\nDevelop proof-of-concept exploits and scalable mitigations that address identified vulnerabilities and broader classes of security issues.\nDesign and build reusable security tools and automation that improve the efficiency, consistency, and quality of security reviews and vulnerability discovery.\nPartner with Windows product engineering teams to incorporate security into product design, resolve \nQualifications\nRequired/minimum qualifications\nMaster's Degree in Statistics, Mathematics, Computer Science, or related field AND 3+ years experience in security or related field OR Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field AND 4+ years experience in security or related field OR equivalent experience.\nHands-on experience with offensive security techniques such as penetration testing, vulnerability research, exploit development, or bypassing operating-system security mitigations\n\nExperience identifying vulnerabilities in operating systems and/or native (C/C++) applications.\nAdditional or preferred qualifications\nMaster's Degree in Statistics, Mathematics, Computer Science, or related field AND 6+ years experience in security or related field OR Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field AND 8+ years experience in security or related field OR equivalent experience.\n5+ years of experience in software engineering, security engineering, or a related technical field.\n\nDemonstrated experience in security research, particularly vulnerability discovery.\n\nExperience exploiting vulnerabilities and bypassing security mitigations in operating systems.\n\nFamiliarity with Microsoft Windows architecture and operating system internals.\n\nPenetration Testing IC5 - The typical base pay range for this role across Canada is CAD $142,400 - CAD $257,500 per year.\nFind additional pay information here:\nhttps://careers.microsoft.com/v2/global/en/canada-pay-information.html\nPenetration Testing IC5 - L'échelle salariale de base typique pour ce rôle dans l'ensemble du Canada est de 142,400 $ CAD à 257,500 $ CAD par année. \nPour plus d'information au sujet de la rémunération, veuillez cliquer ici:\nhttps://careers.microsoft.com/v2/global/en/canada-pay-information.html\nCe poste sera ouvert pendant au moins cinq jours et les candidatures seront acceptées de façon continue jusqu’à ce que le poste soit pourvu.\nThis position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.\nMicrosoft est un employeur offrant l’égalité d’accès à l’emploi. Tous les candidats qualifiés seront pris en considération pour l’emploi, sans égard à l’âge, à l’ascendance, à la citoyenneté, à la couleur, aux congés médicaux ou familiaux, à l’identité ou à l’expression de genre, aux renseignements génétiques, à l’état d’immigration, à l’état matrimonial, à l’état de santé, à l’origine nationale, à un éventuel handicap physique ou mental, à l’affiliation politique, au statut de vétéran protégé ou au statut militaire, à la race, à l’ethnie, à la religion, au sexe (y compris la grossesse), à l’orientation sexuelle ou à toute autre caractéristique protégée par les lois, ordonnances et règlements locaux applicables. Si vous avez besoin d’aide avec des accommodements religieux et/ou d’un accommodement raisonnable en raison d’un handicap pendant le processus de candidature, apprenez-en plus sur la demande d’accommodement.\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":6267,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Canada","iso":"CA","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Console Games","Cloud Platforms (IaaS & PaaS)","Gaming Consoles","Developer Tools"],"lifecycle":[{"event":"open","at":"2026-10-05T19:57:50Z"}],"visa":[],"liveness":{"score":57,"band":"ok","label":"Likely open","p_open":1,"p_active":0.638,"p_room":0.9,"age_days":9,"expected_fill_days":19,"reasons":["conf:1","stale_co","wave","velocity","win:mid","comp:brand"],"computed_at":"2026-10-12T06:55:09Z"},"pay":{"stated_usd_annual":180571,"is_top_pay":false},"html_url":"https://alion.io/job/microsoft-principal-security-engineer-7","json_url":"https://alion.io/job/microsoft-principal-security-engineer-7.json","meta":{"generated_at":"2026-10-12T11:00:06Z","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":16955,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"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":18},"rest":"https://alion.io/mcp/rest/get_company?id=18"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmicrosoft-principal-security-engineer-7"},{"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%2Fmicrosoft-principal-security-engineer-7"},{"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%2Fmicrosoft-principal-security-engineer-7"},{"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/microsoft-principal-security-engineer-7\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmicrosoft-principal-security-engineer-7"}]}