Microsoft

Microsoft

Posted via Microsoft Careers

Penetration Tester, SERPENT: Internship Opportunities

Posted Sep 9, 2026

Role at a glance

Job function
Software Engineering & IT Cybersecurity
Salary
$5.7K – $11.2K/mo
Location
Redmond, Washington, United States
Work arrangement
On-site
Employment
Internship
Education
Bachelor's, Master's

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Role Summary

AI-generated

The SERPENT Services Pentest team is seeking an intern to help secure Microsoft products, devices, and large-scale online services through penetration testing, security research, and security innovation. The role supports Microsoft’s Specialized Clouds organization and involves collaboration with product, defensive, and security research teams to improve security posture and operational awareness.

What You'll Do

  • Participates in penetration tests, security reviews, and variant-hunting exercises for Microsoft products and services, including design...
  • Supports analysis of emerging threats and contributes to improving the security of next-generation Windows, Azure, and specialized cloud...
  • Applies an evolving understanding of offensive security techniques to propose new protections and reinforce secure design
  • Engages with internal and external security researchers
  • Collaborates with product teams to improve security posture and articulate the business value of security insights
  • Participates in the SERPENT OODA Loop to scale offensive insights across Microsoft

Generated from the employer's posting. Verify important details before applying.

View full posting

Qualifications

Currently pursuing a Bachelor's or Master's degree in Statistics, Mathematics, Computer Science, or a related field, with at least one semester/term of school remaining following the completion of the internship. Ability to meet Microsoft, customer and/or government security screening requirements is required.

Required

  • Currently pursuing a Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field, with at least one semester/term...
  • Currently pursuing a Master's Degree in Statistics, Mathematics, Computer Science, or related field, with at least one semester/term of...
  • Ability to meet Microsoft, customer and/or government security screening requirements
  • Microsoft Cloud Background Check

Preferred

  • Familiarity with reading Python or C#
  • Demonstrated interest in cybersecurity, penetration testing, or vulnerability research
  • Curiosity, willingness to learn, ability to ask technical questions, and passion for solving complex problems
  • Participation in Capture the Flag (CTF) challenges, security labs, hackathons, or research projects
  • Coding experience in C#, Java, Python, Rust, Go, or JavaScript/TypeScript
  • Familiarity with cloud concepts (Azure preferred) or distributed systems
  • Understanding of static analysis or experience auditing code for vulnerabilities
  • Knowledge of memory corruption, web security, identity, authentication, or operating system internals

Original job description

Content provided by the employer

Overview

Come build community, explore your passions and do your best work at Microsoft with thousands of University interns from every corner of the world. This opportunity will allow you to bring your aspirations, talent, potential—and excitement for the journey ahead.  

 

SERPENT (Services Pentest) is looking for a learn-it-all engineer excited to secure Microsoft products and devices through real-world penetration testing, research, and security innovation. 

Are you looking for a challenge that puts you at the center of the Microsoft Specialized Clouds strategy? Are you passionate about solving the security challenges of critical, large-scale online services? Do you want to learn how Microsoft defends some of the world’s most important cloud and device ecosystems? 
If you’re passionate about penetration testing, variant research, and reliable security, this role is for you. 

Microsoft’s Specialized Clouds organization is responsible for securing some of Microsoft’s largest and most influential online services across the Adaptive Cloud and Windows + Devices (W+D) organization. 
The EPSF Services Pentest (SERPENT) team is expanding and looking for interns who want to grow their offensive security skills while helping increase our business partners’ security posture. 

EPSF Security has a world-class penetration testing team that helps ensure a safe, resilient experience for millions of users worldwide. We focus heavily on offensive security, application security, variant discovery, and collaborating with defensive teams to enhance detection and operational awareness. 

 

At Microsoft, Interns work on real-world projects in collaboration with teams across the world, while having fun along the way. You’ll be empowered to build community, explore your passions and achieve your goals. This is your chance to bring your solutions and ideas to life while working on cutting-edge technology.

 

Microsoft’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.

#EiP



Responsibilities

• Participates in penetration tests, security reviews, and variant-hunting exercises for Microsoft products and services—including design reviews, code reviews, and exploit proof-of-concept development 
• Supports analysis of emerging threats and contribute to improving the security of next-generation Windows, Azure, and specialized cloud services 
•  Applies a current and evolving understanding of offensive security techniques to propose new protections and reinforce secure design 
• Engages with internal and external security researchers, contributing to a culture of curiosity and continuous learning 
• Collaborates with product teams to improve security posture and articulate the business value of security insights 
• Participates in the SERPENT OODA Loop (Observe → Orient → Decide → Act) to scale offensive insights across Microsoft 



Qualifications

Required Qualifications:

  • Currently pursuing a Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field, or related field with at least one semester/term of school remaining following the completion of the internship
    • OR Currently pursuing a Master's Degree in Statistics, Mathematics, Computer Science, or related field, or related field with at least one semester/term of school remaining following the completion of the internship.

 

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:

• Familiarity with reading Python or C# 
• Demonstrated interest in cybersecurity, penetration testing, or vulnerability research 
• Curiosity, willingness to learn, ability to ask technical questions, and passion for solving complex problems  
• Participation in Capture the Flag (CTF) challenges, security labs, hackathons, or research projects 
• Coding experience in C#, Java, Python, Rust, Go, or JavaScript/TypeScript 
• Familiarity with cloud concepts (Azure preferred) or distributed systems 
• Understanding of static analysis or experience auditing code for vulnerabilities 
• Knowledge of memory corruption, web security, identity, authentication, or operating system internals  



The base pay range for this internship is USD $5,690.00 - $11,210.00 per month. 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 $7,410.00 - $12,250.00 per month.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-intern-pay

Microsoft accepts applications and processes offers for these roles on an ongoing basis throughout the academic calendar
(September - April)


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.

Microsoft

About the company

Microsoft

Large Enterprise

Microsoft is a global technology leader that empowers individuals and organizations to achieve more through innovative software, services, and devices. Founded in 1975, the company is best known for its flagship products like the Windows operating system and Microsoft Office suite. In addition to personal computing, Microsoft is a leader in cloud computing with its Azure platform, providing a range of solutions for businesses to enhance productivity and efficiency. With a strong commitment to sustainability and accessibility, Microsoft continues to drive technological advancements that shape the future of work and learning.