Principal Site Reliability Engineer
Microsoft Corporation
Redmond, WA
Job posting number: #7320012 (Ref:ms-1898182)
Posted: November 2, 2025
Job Description
As a Principal Site Reliability Engineer in Core Services Infrastructure and Security team you will be responsible for the Infra and Network Security, front door, routing, gateway, CDN, DNS and monitoring layers for the microservices powering Microsoft Teams. This opportunity will allow you to improve the reliability of such mission critical layers investing in active-active architectures at every possible level, and hone your skills in improving your security acumen working with experts in the space and become adept at troubleshooting and securing the network layer.
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.
                    

