New

Senior Applied Scientist

Microsoft
United States, Washington, Redmond
Jan 14, 2026
Overview Securityrepresentsthe most critical priorities for our customers in aworldawash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them withend-to-end, simplified solutions. The Microsoft Security organization accelerates Microsoft's mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers' heterogeneous environments, as well as ensuring the security of our own internal estate. Our culture is centered on embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. In doing so, we create life-changing innovations thatimpactbillions of lives around the world. TheMicrosoft Security Social Engineering Research Team is dedicated to defending Microsoft's customers against threats across all messaging and web platforms through applied AI innovation. Our culture fosters a growth mindset, inspiring excellence, and encouraging teams and leaders to bring their best every day. As attackers' methods evolve, our solutions adapt and anticipate. This is an exciting opportunity to innovate and detect threats in real-time across different platforms, technologies, and AI capabilities. Working with data at scale, utilizing emergent technologies, and being empowered by Microsoft's unique set of threat intelligence is the perfect challenge for any Applied Scientist. We are seeking a Senior Applied Scientistto join our team.If you're looking tomakea meaningful impactonprotecting people and businesses, this is the team for you.Security is a top priority for our customers in a world filled with digital threats, regulatory scrutiny, and estate complexity. Microsoft's mission is to empower every person and every organization on the planet to achieve more. Asemployees,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. Responsibilities As aSenior Applied Scientistfocused onprotectingMicrosoftcustomersfrom social engineeringthreat vectors,you willbe responsible for: Engage with stakeholders across our team and beyond toidentifythe most critical challenges worth solving Developing and supportingproductionAImodels and heuristics to detect social engineering attacks Availability and willingness to cover a periodic on-call rotation or engage in incident response as needed Embody our cultureand values Qualifications Minimum Qualifications: Bachelor's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 4+ years related experience (e.g., statistics predictive analytics, research). OR Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ years related experience (e.g., statistics, predictive analytics, research). OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 1+ year(s) related experience (e.g., statistics, predictive analytics, research). OR equivalent experience. Other Requirements: Ability 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: Microsoft 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. Preferred Qualifications: Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research). OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ years related experience (e.g., statistics, predictive analytics, research). OR equivalent experience. 3+yearsexperiencedeveloping and deploying live production systems, as part of a product team. 2+years experiencewith processing large volumes of data in distributedenvironment(MapReduce, Spark, MPI, CUDA,etc) 1+years experiencewith at least 1 statically typed object-oriented language (C#, Java, C++, Fortran etc.) Familiarity with software development tools such as GIT, automated build systems, and project tracking systems. Proficiencyin measuring the health and effectiveness of systems. Demonstrated ability and motivation to self-teach and navigate through ambiguity. Passion for cybersecurity is a plus, althoughpreviousexperience or knowledge is notrequired. #MSFTSecurity This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled. Microsoft 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.