Confirmed on the employer's own hiring board on Nov 10, 2026. First seen by Alion on Oct 20, 2026. Microsoft scores B on the Alion truth index.
Security is one of 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-reshaping security and empowering every user, customer, and developer with simplified, end-to-end solutions. Microsoft Entra, builds the identity and network access platform that underpins Microsoft’s Zero Trust strategy. Entra powers secure access for any identity to any resource, anywhere-across hybrid and multicloud environments. We are serving billions of authentications daily with extreme scale and availability targets exceeding 99.99%. As part of the Edge Services within Microsoft Entra organization, we design and operate the critical infrastructure that forms the secure front door to Entra's identity services. Our team owns foundational components - each engineered to deliver secure, scalable, reliable and observable traffic management across Microsoft's global footprint.
We are seeking a Principal Software Engineer to turn the multi-year roadmap into clear designs, guide architecture decisions across the Control Plane and Foundational Gateway, and bring other teams in Edge Services and across Identity along with you.
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
- Contribute and set the technical direction for IDTE's traffic, DNS and ingress platform.
- Build a gateway that protects itself and contains failures. You will contribute to and drive enforcement at the perimeter and predictable recovery when issues arise, without compromising availability, security or latency.
- Automate platform growth and support operations through automated, auditable workflows instead of manual, expert-driven steps.
- Champion observability and AI-assisted operations. Build end-to-end routing visibility that enables engineers and AI tools to trace any request or configuration change, identify problems faster and reduce on-call workload.
- Raise the engineering bar by mentoring senior engineers, leading design and incident reviews, and setting the standard for reliability, security and operations in a globally distributed service.
Qualifications
Required Qualifications:
- Bachelor's degree in Computer Science or a related technical field, along with proven experience in software engineering using C#, C++, Java, or other object-oriented programming languages.
- Collaboration skills with the ability to work effectively across local and global teams within Microsoft.
- Accountability and ownership of areas / products.
- Practical experience with cloud platforms such as Microsoft Azure, AWS, or equivalent.
- Knowledge of troubleshooting across networking, application layers, caching, load balancing, and distributed systems.
- Experience working with SQL-like query languages.
- Practical experience with Infrastructure as Code (IaC) tools and methodologies.
- Demonstrated ability to quickly learn and adapt to new technologies.
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 background and Microsoft Cloud background check upon hire/transfer and every two years thereafter.
Software Engineering IC5 - The typical base pay range for this role across Czechia is Kč 1,983,000.00 - Kč 3,553,000.00 per year. Certain roles may be eligible for benefits and other compensation.
Find additional benefits and pay information here:
https://careers.microsoft.com/v2/global/en/corporate-pay/czech-republic-corporate-pay.html
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.

