Principal Software Engineer - Microsoft Threat Protection

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.

We are now extending our security stack with the goal of supporting and empowering nations, governments, and related organizations in protecting their country's estates and safeguarding critical assets at great scales. This effort aims to protect the well-being of their citizens against cyber threats and attacks. The Defender suite leverages the robust Microsoft security portfolio to automatically analyze threat data across domains, building a complete picture of each attack in a situational awareness dashboard.

Our teams are dedicated to building cutting-edge Cyber Defense solutions, leveraging state-of-the-art cloud technologies, big data, AI, and modern UX platforms to deliver unparalleled value to our customers.

Responsibilities

In this role, you’ll take a leading position at the group level, shaping the architecture of one of our most critical cybersecurity initiatives.

Your focus will be on building secure, scalable, and modular cloud platforms that serve multi-tenant customer needs.

You’ll guide the architectural strategy across multiple product domains, including identity, observability, and threat detection, ensuring alignment with both technical and business goals.

Beyond technical design, you’ll play a key role in setting engineering direction, driving cross-team collaboration, and fostering a culture of quality, accountability, and innovation within the team.

This is not just another architecture role. You’ll be influencing the design of next-generation security platforms, setting the bar for engineering culture, and operating as a force multiplier across teams.

You’ll be part of a collaborative, impact-driven group where your architectural decisions will directly shape our direction, velocity, and long-term success. If you’re looking to operate at scale, drive meaningful change, and help define how modern cybersecurity products are built- this is your opportunity.

Qualifications

Required Qualifications

B.Sc. or M.Sc. in Computer Science, Software Engineering, or equivalent.
Experience in .NET/C# (or equivalent).
12+ years of hands-on software engineering experience with a strong background in building distributed systems and cloud-native services.
Proven experience owning architectural decisions for complex, multi-team products, preferably in the cybersecurity or cloud infrastructure domain.
Deep technical understanding in identity and access management, observability, and scalable backend architecture.
Strong product-thinking mindset: able to tie engineering solutions to customer outcomes and business goals.
Exceptional collaboration and communication skills, especially when working across organizational boundaries.
Ability and passion to drive large software systems, both vertically and horizontally.
Background in data security and cloud-based applications.

Other Qualifications

Experience with multi-tenant and/or sovereign cloud architectures.
Track record of mentoring, building engineering culture, and leading through influence.
Experience working with Microsoft Azure.
Experience in authentication and authorization domain.
Experience in product execution from inception to production.

Microsoft is an equal opportunity employer. Consistent with applicable law, 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 and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.