Principal Software Engineer, Perception Platform and AI Systems
Role Overview
Security represents one of the most critical priorities for our customers in a world of evolving digital threats, increasing regulatory requirements, growing estate complexity, and rapid advances in AI.
Microsoft Security aspires to make the world a safer place by empowering every user, customer, and developer with integrated security solutions that protect across heterogeneous environments.
Perception is an advanced AI platform designed to empower security and IT teams to operate at the speed and scale of AI while adhering to Microsoft's responsible AI principles.
We are looking for a Principal Software Engineer to provide technical leadership for the evolution of the Perception Platform and drive foundational AI and platform investments across Microsoft Security.
You will define architecture and engineering strategy for sophisticated Generative AI, Retrieval-Augmented Generation (RAG), memory, reasoning, agentic and multi-agent systems, identity and authorization, AI safety, and distributed cloud platforms operating in security-sensitive enterprise environments.
Combining deep distributed systems and cloud platform expertise with strong AI systems architecture experience, you will establish architectural patterns that enable multiple engineering teams and Microsoft Security products to build secure, reliable, compliant, and scalable AI-powered experiences on common platform foundations. You will operate across organizational and product boundaries to translate ambiguous business and product requirements into durable technical architectures, drive alignment among senior technical leaders, and identify opportunities for MSEC-wide engineering leverage.
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.
Key Skills for This Role
Full Job Posting
Required Qualifications
- Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, Go, JavaScript, or Python OR equivalent experience
- OR equivalent experience
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.
Preferred Qualifications
- Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, Go, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, Go, JavaScript, or Python OR equivalent experience.
- OR Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, Go, JavaScript, or Python
- OR equivalent experience.
- Extensive experience architecting, building, and operating large-scale distributed systems, cloud services, enterprise platforms, or AI platforms in production environments.
- Deep experience with Generative AI and AI systems architecture, including model orchestration, retrieval/RAG, semantic search, memory, context management, tool use, evaluation, safety, and production operationalization.
- Experience designing agentic and multi-agent AI systems, including planning, reasoning, orchestration, delegation, collaboration, state and memory management, tool use, long-running execution, and failure recovery.
- Experience establishing reusable engineering patterns, frameworks, and platform capabilities for reliable, secure, observable, and scalable AI and agentic systems.
- Deep experience designing identity, authentication, and authorization architectures for autonomous or agentic systems, including user, application, workload, service, and agent identities.
- Expertise in RBAC, policy-based and resource-level authorization, least privilege, scoped permissions, delegated authorization, and multi-tenant isolation, including securing delegation chains and preventing privilege escalation or unauthorized cross-tenant access.
- Demonstrated ability to provide technical leadership across complex, ambiguous initiatives, translating business, product, and security requirements into durable architectures, technical standards, and long-term engineering strategies across multiple teams or organizations.
- Demonstrated technical leadership and communication skills, with experience influencing architectural decisions across organizational boundaries, mentoring senior engineers, establishing engineering standards, and communicating complex technical decisions, risks, and tradeoffs to engineering and leadership audiences.
- #MSFTSecurity #SCEM #Perception #AI #Fleetofagents
- Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 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 $188,000 - $304,200 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.
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