{"id":3764746,"url":"https://alion.io/job/microsoft-senior-security-researcher-8","title":"Senior Security Researcher","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":84,"open_postings":438,"ghost_share":0.007,"stale_share":0.594,"repost_share":0.039,"time_to_fill_p50_days":29,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Redmond, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":119800,"max":234700,"currency":"USD","period":"year","gross":null,"usd_annual":234700},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Azure","optional":false},{"name":"Linux","optional":false},{"name":"Microsoft Defender","optional":false},{"name":"C++","optional":true},{"name":"PowerShell","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-10-29T00:48:41Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-09T02:22:48Z","board_verified":true,"closed_at":null,"days_open":11,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":11},"description":"OverviewAre you interested in radically improving the security of Microsoft’s products on Linux? Do you want to work on cutting edge malware analysis systems? Are you committed to helping Microsoft customers keep their computers secure and combating evolving malware threats? We are searching for a strong self-driven Senior Security Researcher to join Microsoft Defender Security Research Team for Linux.\nMicrosoft Defender Security Research team is a global team of security researchers, advanced threat hunters, and agile malware responders at the forefront of protecting the Microsoft ecosystem from emerging security threats. Our research powers protection in products like Microsoft Defender, Microsoft Defender Advanced Threat Protection, Office 365, Azure, and more. We are an industry leading threat research lab that does in-depth threat research with threats and exploits to help keep our customers safe. If you are a technically strong security researcher who has experience with the Linux platform and who is passionate about having huge impact in the security industry, we would love to talk to you!\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.\nIn alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day.\nResponsibilities\nConduct research in the Linux platform that yields new insights, theories, analyses, data, algorithms, and prototypes that advance state-of-the-art of malware protection.\nInvestigate, analyze, and learn from security researchers, attackers and real incidents in order to develop durable detection solution/strategies across the kill-chain or product/OS enhancements.\nWork with other internal and external teams to forge new and improve existing partnerships that help mature the product.\nProvide exemplary leadership in an exceptionally challenging and rewarding environment and influence the organization.\nCollaborate with other researchers, coordinators, and developers to improve the protection capabilities of the products.\nQualifications\nRequired Qualifications:\nDoctorate in Statistics, Mathematics, Computer Science, Computer Security, or related fieldOR Master's Degree in Statistics, Mathematics, Computer Science, Computer Security, or related field AND 3+ years experience in software development lifecycle, large-scale computing, threat analysis or modeling, cybersecurity, vulnerability research, and/or anomaly detection\nOR Bachelor's Degree in Statistics, Mathematics, Computer Science, Computer Security, or related field AND 4+ years experience in software development lifecycle, large-scale computing, threat analysis or modeling, cybersecurity, vulnerability research, and/or anomaly detection\nOR equivalent experience. \n\nOther Requirements:\nAbility to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings:\nMicrosoft Cloud Background Check: This position will be required to pass the Microsoft background and Microsoft Cloud background check upon hire/transfer and every two years thereafter. \nPreferred Qualifications:\n4+ years of computer security industry experience utilizing reverse engineering and knowledge of security/threat landscape. \nDevelopment skills with C, C++, C and scripting languages (Python/Powershell)\nDemostrated knowledge of Linux operating system internals and related security problems\nReverse Engineering skills: familiar with debuggers, disassemblers, network protocols, file formats, sandboxes, hardware/firmware internals, software communication mechanisms\nExcellent cross group and interpersonal skills, with the ability to articulate the business need for security or detection improvements.\nKnowledge of MacOS and mobile platforms is a welcome addition, but not required.\n#MSFTSecurity #Linux\nSecurity Research IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 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 $160,200 - $261,000 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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