Principal Software Engineer - Identity

About the role

The ID Cache Team within Microsoft Security’s Identity division is looking for a Principal Software Engineer to design, build, and operate a large‑scale managed caching platform for internal customers. You will combine software engineering with systems and DevOps expertise to deliver reliable, automated infrastructure across public and sovereign clouds.

Key responsibilities

• Lead the design, implementation, and evolution of a scalable infrastructure platform powered by agentic tools.
• Own end‑to‑end feature development, ensuring reliability, performance, and operational stability.
• Partner with engineering, product, and incident management teams to improve service health, observability, and readiness.
• Participate in on‑call rotations and live‑site investigations, driving long‑term fixes for recurring issues.
• Elevate engineering quality through robust testing, clear documentation, and disciplined release practices.
• Mentor engineers via design reviews, code reviews, and technical coaching.

Required profile

• Bachelor’s degree in Computer Science or related field, or equivalent technical experience.
• Professional experience in software engineering and/or site reliability engineering, including designing, developing, and delivering software and systems solutions.
• Ability to meet Microsoft, customer, and/or government security screening requirements.

Required skills

• Programming languages: C, C++, C#, Java, JavaScript, Rust, Python.
• Automation and monitoring tools: Ansible, Telegraf.