Principal Software Engineer
1 week ago
Security represents the most critical priorities for our customers in a world awash 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 with end 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 that impact billions of lives around the world.
As Microsoft continues to push the boundaries of AI, we are on the lookout for passionate individuals to work with Microsoft Security Copilot (Security Copilot). Security Copilot is a generative AI-powered security solution that helps increase the efficiency and capabilities of defenders to improve security outcomes at machine speed and scale. Security Copilot provides a natural language, assistive copilot experience. Security Copilot helps support security professionals in various end-to-end scenarios such as incident response, threat hunting, intelligence gathering, posture management, and more Security Engineering for Copilot is focused on building and securing systems that accelerate this process by making it easy and safe to incorporate more data and functionality that would otherwise be too scary/risky to do. We are looking for a Principal Software Engineer to identify areas of risk and opportunity, then design and build solutions in Copilot, making the product and its platform more secure. This can include everything from secure coding standards, to API design, to infrastructure, sandboxing, automated testing/fuzzing, application security and intrusion detection. A key skill is the judgment to make the right risk vs velocity and value decisions. You will possess a methodical approach to problem-solving, proficiency in backend technologies, and the ability to architect solutions that stand the test of time. You will be skilled is the ability You will possess a methodical approach to problem-solving, proficiency in backend technologies, a familiarity with applied AI and its unique security challenges, and the ability to architect solutions that stand the test of time. Many problems in this space have not been solved before The right candidate is hands-on and enjoys building world-class consumer experiences and products in a fast-paced environment. 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
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.
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Principal Software Engineer
7 days ago
Redmond, Washington, United States Microsoft Full time $120,000 - $180,000 per yearMicrosoft Silicon and Cloud Hardware Infrastructure Engineering (SCHIE) is the team behind Microsoft's expanding Cloud Infrastructure and responsible for powering Microsoft's "Intelligent Cloud" mission. SCHIE delivers the core infrastructure and foundational technologies for Microsoft's over 200 online businesses including Bing, MSN, Office 365, Xbox Live,...
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Principal Software Engineer
1 week ago
Redmond, Washington, United States Microsoft Full time $120,000 - $200,000 per yearAre you a Principal Software Engineer who loves to work on large-scale projects at one of the most exciting and diverse divisions within Microsoft? Are you looking for big, creative challenges that show immediate results since your customers will be just down the hall? Do you want to be at the core of it all, acting as a force multiplier enabling groups of...
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Principal Software Engineer
1 week ago
Redmond, Washington, United States Microsoft Full time $120,000 - $200,000 per yearMicrosoft is a company where innovators come to collaborate, envision what can be and take their careers to levels they cannot achieve anywhere else. This is a world of more possibilities, more innovation, more openness in a cloud-enabled world. The Business & Industry Copilots group is a rapidly growing organization that is responsible for Copilot...
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Principal Software Engineer
2 weeks ago
Redmond, Washington, United States Microsoft Full time $150,000 - $250,000 per yearMicrosoft is a company where passionate innovators come to collaborate, envision what can be and take their careers to levels they cannot achieve anywhere else. This is a world of more possibilities, more innovation, more openness in a cloud-enabled world. The Business & Industry Copilots group is a rapidly growing organization that is responsible...
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Principal Software Engineer
3 days ago
Redmond, Washington, United States Microsoft Full timeMicrosoft is a company where passionate innovators come to collaborate, envision what can be and take their careers to levels they cannot achieve anywhere else. This is a world of more possibilities, more innovation, more openness in a cloud-enabled world. The Business & Industry Copilots group is a rapidly growing organization that is responsible...
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Principal Software Engineer
1 week ago
Redmond, Washington, United States Microsoft Full time $200,000 - $250,000 per yearMicrosoft is a company where passionate innovators come to collaborate, envision what can be and take their careers to levels they cannot achieve anywhere else. This is a world of more possibilities, more innovation, and more openness in a cloud-enabled world. The Business & Industry Copilots group is a rapidly growing organization that is responsible...
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Principal Software Engineer
1 week ago
Redmond, Washington, United States Microsoft Full time $150,000 - $250,000 per yearThe Windows Experiences team is pioneering the future of intelligent agents on Windows. We are responsible for delivering cutting-edge, cloud and local-model powered experiences that seamlessly integrate with cloud orchestrators such as Microsoft's Consumer and Enterprise Copilots. Our recent success includes shipping the Windows Settings Agent for Copilot+...
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Principal Software Engineer
5 days ago
Redmond, Washington, United States Microsoft Full timePrincipal Software Engineer - AI Driven Configuration & Experimentation PlatformRedmond, Washington, United StatesDate postedOct 27, 2025Job number1898308Work site3 days / week in-officeTravelNoneRole typeIndividual ContributorProfessionSoftware EngineeringDisciplineSoftware EngineeringEmployment typeFull-TimeOverviewECS (Experiments and Configuration...
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Principal Software Engineer
1 week ago
Redmond, Washington, United States Microsoft Full time $200,000 - $250,000 per yearAt Microsoft Digital, we build and manage the critical products and services that power Microsoft's internal operations. Our Employee Productivity Engineering (EPE) team is transforming the workplace experience for thousands of employees globally. We're creating a connected, accessible, and sustainable digital workplace that seamlessly blends physical and...
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Principal Software Engineer
2 weeks ago
Redmond, Washington, United States Microsoft Full time $200,000 - $250,000 per yearWe are the team that defines how users interact with Copilot in Microsoft 365. Our charter is to build foundational UX systems that make Copilot feel intelligent, responsive, and deeply integrated into the flow of work. We own the core interaction surfaces and frameworks that power Copilot's presence across endpoints -- Teams, Outlook, , and Office apps....
