The Core Services Infrastructure and Security team in Microsoft Teams provides the foundational compute, network, security, routing, traffic management, and governance layers that power Microsoft’s real‑time communication experiences across the globe.
As a Senior Site Reliability Engineer, you will help build and operate the mission‑critical components of our distributed systems platform ensuring that Teams remains fast, reliable, secure, and resilient at global scale. You will focus on areas such as network security, front door and gateway infrastructure, routing and load balancing, DNS and CDN systems, and end‑to‑end monitoring and observability.
This is a unique opportunity to deepen your expertise across high‑scale, active‑active architectures while collaborating with seasoned engineers who obsess over reliability and defense‑in‑depth. You will contribute hands‑on implementation work, participate in design discussions, and apply engineering best practices to continually improve the reliability, performance, and security of the platform.
Microsoft’s mission is to empower every person and every organization on the planet to achieve more. Our culture is built on a growth mindset—centered on respect, integrity, and accountability. We are committed to creating an inclusive environment where every engineer can thrive.
Responsibilities
Engineering & Operations
Service Ownership & On‑Call
Collaboration & Cross‑Team Influence
Continuous Improvement & Learning
Qualifications
Required Qualifications:
Other Requirements:
Site Reliability Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 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 $158,400 - $258,000 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.
Every company has a mission. What's ours? To empower every person and every organization to achieve more. We believe technology can and should be a force for good and that meaningful innovation contributes to a brighter world in the future and today. Our culture doesn’t just encourage curiosity; it embraces it. Each day we make progress together by showing up as our authentic selves. We show up with a learn-it-all mentality. We show up cheering on others, knowing their success doesn't diminish our own. We show up every day open to learning our own biases, changing our behavior, and inviting in differences. Because impact matters.
Microsoft operates in 190 countries and is made up of approximately 228,000 passionate employees worldwide.
