Senior Security Software Engineer


Location: Redmond, Washington

Job Type: Full time


The most difficult thing is the decision to act, the rest is merely tenacity.
- Amelia Earhart

Do you want a career where you can continuously grow your knowledge and skills in cyber security? Do you want to connect with supportive and security minded teammates and leaders? Then come join the Application Security team in the Microsoft Security Response Centre (MSRC)! You’ll get to explore new ways to find and prevent security flaws to protect millions of customers. You’ll be recognized for innovating novel techniques to secure the biggest services on the planet like Exchange, Sharepoint and Teams. You’ll work with diverse Software Developers from all around the world, to help keep our customers’ data safe.

#SCIMJobs #SecurityJobs #MSFTSecurity


What a Senior member of the MSRC Application Security team does:

  • Discovers security flaws in M365 web services leveraging penetration testing techniques and code reviews
  • Develops vulnerability detection tools, including static analysis and innovative solutions to find flaws at scale
  • Reproduces exploits and works across Microsoft on root cause analysis to assess the impact to all services
  • Collaborates with other Offensive Security personnel to leverage the latest trends and identify good opportunities to attack
  • Builds relationships with Software Developers to provide meaningful advice to improve security
  • Provides training and education to Software Developers on Secure Coding practice
  • Influences and guides the strategic direction of the team
  • Mentors and coaches junior team members



  • At least 6 years in a professional software engineering environment where you gained software architecture and debugging skills.
  • Demonstrated impact in improving application security through secure coding, threat modeling, or penetration testing

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.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via the Accommodation request form.

Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.

You’ve got this!