Senior Software Engineer

The Windows Endpoint Security Platform engineering team is seeking a skilled Senior Software Engineer to help build the next-generation security framework that will empower our industry-wide ecosystem of security partners. This work is central to Microsoft’s strategy to modernize endpoint security through a more resilient, extensible, and open platform.

In this role, you will play a key part in designing and implementing a new user‑mode based architecture that enables partners to deliver robust endpoint protection solutions without relying on kernel‑mode drivers - a major step forward in improving OS reliability and reducing security risk. You will contribute to a platform that must deliver exceptional performance, reliability, and a comprehensive set of capabilities to defend against evolving enterprise threats.

This initiative is a top priority within Microsoft and carries significant visibility at both executive and industry levels. You’ll collaborate closely with teams across Windows and the broader security ecosystem, helping to shape the future of endpoint protection for millions of customers worldwide.

In Core OS, we are responsible for the Operating Systems that power Azure, Microsoft's Linux OS, the platforms for Windows Client and Xbox, and our Windows Server ecosystem – through all of these, we support every one of our cloud businesses and billions of customers around the world. In this era of ubiquitous computing, systems software excellence has never been more important for Microsoft. High quality, high-efficiency operating systems and platform components underpin everything we do as a company, from making our systems more reliable for our customers, to increasing our competitiveness by reducing COGS, to delivering new features and capabilities to delight customers – that’s all us!

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.

• Collaborate with Microsoft Virus Initiative (MVI) partners to develop the next generation endpoint protection platform.
• Establish long term technical strategy and direction.
• Create and improve architecture designs for complex end to end scenarios that involve multiple teams and services. 
• Influence, lead, and collaborate effectively across leadership, teams, and organizations to drive outcomes.
• Fosters a healthy and inclusive team environment.
• Embody our culture and values. 

Required Qualifications:

• Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
  • 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:

• Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
  • OR Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
  • OR equivalent experience.

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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.