Senior Software Engineer

Microsoft•Redmond, WA

34d

About The Position

Team Description: 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. We are looking for a Senior Software Engineer to Join Microsoft’s Identity Division and help shape the future of secure connectivity and intelligent experiences! Our Global Secure Access Datapath team builds cutting-edge network security solutions that enable enterprises to protect their most critical assets in a cloud-first, AI-powered world. This role offers the chance to work on high-scale, identity-aware services that power Microsoft Entra and deliver Zero Trust principles globally. You’ll design and develop systems that secure millions of users and workloads, while integrating AI-driven insights and automation to make security smarter and more adaptive. Your work will directly influence Microsoft Copilot experiences by ensuring secure, reliable access to data and services. We support flexible work arrangements, including remote options, so you can do your best work wherever you are. At Microsoft, you’ll find a culture that values growth mindset, collaboration, and innovation—where your ideas make an impact and your career can thrive. 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.

Requirements

4+ years of professional software development experience in languages such as C/C++, Go, C#, or Rust.
Bachelor’s degree in Computer Science, Engineering, or equivalent experience.
Understanding of networking protocols (HTTP/HTTPS, TCP/UDP, TLS, VPN) and IP routing (IPv4/IPv6).
Experience designing and operating distributed systems at scale.
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.

Nice To Haves

Knowledge of L7 proxies (e.g., NGINX, Envoy, HAProxy), L3/L4 firewalls and DPDK.
Familiarity with continuous delivery/deployment systems and modern DevOps practices.
Experience leveraging AI/ML for telemetry analysis or automation in large-scale systems.
Ability to meet Microsoft Cloud Background Check requirements.

Responsibilities

Design and build large-scale, distributed datapath services for secure access across Microsoft Entra.
Develop performant, reliable, and secure networking components that handle identity-aware traffic at global scale.
Integrate AI-driven telemetry and automation to enhance security, reliability, and performance.
Collaborate with cross-functional teams to deliver end-to-end solutions aligned with Zero Trust principles and Copilot scenarios.
Drive engineering excellence through code reviews, telemetry-driven decisions, and modern DevOps practices.
Improve test coverage, implement integration tests, and ensure observability and reliability for live services.
Participate in on-call rotations to support and resolve live-site issues.

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