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Job Details
Posted date: Dec 10, 2025
There have been 4 jobs posted with the title of Penetration Tester all time at Microsoft.Category: Penetration Testing
Location: Redmond, WA
Estimated salary: $158,000
Range: $100,600 - $215,400
Employment type: Full-Time
Work location type: 3 days / week in-office
Role: Individual Contributor
Description
OverviewAre you looking for a challenge that puts you at the center of the Microsoft Security Fundamentals strategy? Are you passionate about solving the security challenges of Microsoft’s critical online services? Are you passionate about Penetration Testing?
Microsoft's Security Fundamentals team is responsible for securing some of Microsoft's largest and most influential online services in the Microsoft Specialized Clouds (MSC) organization and Windows Devices organization (W+D). The EPSF Services Pentest (SERPENT) team needs a Security Engineer to increase our business partners' security posture.
Responsibilities
MSC Security Fundamentals has a world-class penetration testing team that helps ensure a secure experience for millions of users worldwide. We primarily focus on online services security and work closely with our defense teams to continually improve our operational awareness.
Job responsibilities:
Penetration Testing: Identify security vulnerabilities and their variants in critical services using various techniques such as source code reviews, dynamic analysis, operational security assessments etc. and validate software quality following our development standards. Security Automation: Participate in developing static and runtime analysis capabilities to find software security bugs quickly and with high confidence. Push the cutting edge when it comes to automated analysis of managed code and modern web services. Research, Training, and Tool Development: Perform research to stay current with the bleeding edge of penetration testing, defensive tools, and tactics. Leverage the output of this research for training and awareness across EPSF Security and innovation development efforts.
Qualifications
Minimum Qualifications: Master's Degree in Statistics, Mathematics, Computer Science, or related field AND 1+ year(s) experience in security or related field OR Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field AND 2+ years experience in security or related field 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 Cloud background check upon hire/transfer and every two years thereafter.Preferred Qualifications:
3+ years of experience in identifying security vulnerabilities in online services through penetration testingDemonstrated skills in one or more popular cloud platforms. Azure experience is a plus. Strong background in customizing static, dynamic security analysis tools. Solid verbal and written communication skills.Solid teamwork and cross-group collaboration skills. Ability to deal with ambiguity. Experience in technical disciplines outside security space, including general software development, networking, defensive security, database management, edge computing and full-stack development, is a strong plus. Demonstrated coding skills in one or more popular languages and platforms such as: C#, Python, and others. Bachelor of science or master’s degree in computer science, software engineering, information security or equivalent work experience. CISSP, OSCP/OSCE, GCIA, or SANS certifications is a plus.
Penetration Testing IC3 - The typical base pay range for this role across the U.S. is USD $100,600 - $199,000 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 $131,400 - $215,400 per year.
Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay
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.
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