Microsoft is seeking a Principal Software Engineer for the Specialized Clouds Teams Phone team, focusing on the development and operation of Teams Phone services in secure environments. This role involves leading the design and evolution of critical communication services while ensuring compliance with strict security and operational standards. The engineer will collaborate with various teams to deliver resilient distributed systems and maintain feature parity with public cloud offerings. The position emphasizes technical leadership, mentorship, and fostering a culture of innovation and quality.

• Bachelor's Degree in Computer Science or related technical field and 6+ years of technical engineering experience with coding in languages including C, C++, C#, Java, JavaScript, or Python.
• Active U.S. Government Top Secret Clearance with access to Sensitive Compartmented Information (SCI) based on a Single Scope Background Investigation (SSBI) with Polygraph.
• Ability to meet Microsoft, customer, and/or government security screening requirements.

• Lead engineering excellence through mentorship, coding best practices, quality standards, and proactive risk management.
• Drive architecture and design strategy for complex systems, ensuring scalable, resilient, secure, and cost-efficient solutions.
• Manage end-to-end delivery planning and execution for complex services, ensuring security, compliance, resiliency, scalability, and operational readiness.
• Investigate pre-production and production issues, implementing and deploying necessary fixes.
• Participate in an on-call rotation within a secure facility.

• Employees at Microsoft are often offered comprehensive, “world-class” benefits—including health and mental-wellness programs, competitive pay with bonuses and stock awards, and retirement/savings options. Time-off and flexibility are common, with generous vacation and holidays, parental and caregiver leave, and flexible work schedules, alongside learning support, employee resource groups, product discounts, and matching-gifts/volunteering programs. Specific benefits can vary by region.