Linux Devices Software Engineer Jobs in Seattle, WA

Overview
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.
Microsoft Entra ID is at the center of Microsoft's cloud strategy. We build and operate critical authentication, authorization and directory services that are used by millions of Azure, Microsoft 365, Xbox and Windows users worldwide. In the mobile-first cloud-first world, sign-in and sign-up are the front door for reliable end-user experience to use any of Microsoft cloud services. Entra ID hosts millions of tenants and billions of identities. It serves billions of requests per day in the stacks powering core authentication and programmability. Our team builds the authentication technologies and security capabilities that enable secure sign-in and access to Microsoft services across Windows, mobile, and cloud platforms. We develop core identity components used by Microsoft's authentication clients, device identity systems, token protection technologies, and emerging AI scenarios. As AI agents increasingly access enterprise resources and act on behalf of users, we are helping define the next generation of secure identity experiences for both people and AI. We are looking for a Software Engineer II to help build reliable, scalable, and secure client-side identity and authentication technologies. You will work on challenging security and systems problems, collaborate across Microsoft, and contribute to technologies that millions of people depend on every day.
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.
Responsibilities

• Design and develop authentication, identity, and security features for Windows, Linux, and cross-platform client technologies, including emerging AI scenarios.
• Partner across engineering, product, and design to build customer-facing experiences that simplify complex workflows, reduce friction, and create moments of delight for users.
• Develop secure, reliable, and reusable client-side components and platform capabilities that are well-defined, diagnosable, testable, and maintainable.
• Ensure testability, portability, reliability, and maintainability, and know when code is ready for delivery.
• Focus on customer/partner needs through a data-driven approach.
• Participate in on-call rotations, incident response, and root cause analysis.
• Troubleshoot and optimize automation, reliability, and monitoring for LiveSite.
• Evangelize the usage of AI to increase productivity and quality on the team.
• Embody our culture and values

Qualifications
Required Qualifications:

• Bachelor's Degree in Computer Science or related technical field AND 2+ 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 3+ 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 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
• Experience developing software for Windows or Linux platforms using C++ or other programming languages.
• Experience with authentication and authorization technologies, including OAuth 2.0, OpenID Connect, token-based authentication, or identity systems.
• Experience or interest in AI security, agent identity, or emerging agentic scenarios.
• Experience using AI-assisted development tools to improve engineering productivity and software quality.

#MSFTSecurity
Software Engineering IC3 - The typical base pay range for this role across the U.S. is USD $102,100 - $202,200 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 $133,800 - $219,200 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.