Principal Software Engineer - Ctj - Poly

Microsoft Microsoft · Big Tech · Redmond, WA +3 · Software Engineering

Principal Software Engineer for Microsoft Specialized Clouds Teams Phone team, focusing on building, deploying, and operating Teams Phone services in Air Gapped and Sovereign Cloud environments. This role requires leading the design, development, and evolution of these services with strict security, compliance, and reliability requirements, ensuring feature parity with Public Cloud offerings. The engineer will drive technical strategy, influence architecture, and own the full software development lifecycle, acting as a senior technical leader and mentor.

What you'd actually do

  1. Lead engineering excellence through mentorship, coding best practices, quality standards, and proactive risk management.
  2. Lead architecture and design strategy for complex systems, driving scalable, resilient, secure, and cost-efficient solutions through technical leadership, innovation, and data-driven decision making.
  3. Drive end-to-end delivery planning and execution for complex services, ensuring security, compliance, resiliency, scalability, and operational readiness throughout the product lifecycle.
  4. Investigate pre-production and production issues, implement, and deploy fixes.
  5. Participate in an on-call rotation (typically 24/7 for one week every 6-8 weeks) within a secure facility.

Skills

Required

  • Bachelor's Degree in Computer Science or related technical field
  • 6+ years technical engineering experience
  • coding in languages including, but not limited to, 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
  • Microsoft Cloud background check
  • U.S. citizenship

Nice to have

  • Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience
  • Bachelor's Degree in Computer Science or related technical field AND 10+ years technical engineering experience

What the JD emphasized

  • highly regulated and mission-critical environments
  • strict requirements for security, compliance, reliability, and operational excellence
  • scalable, secure, and resilient distributed systems
  • feature parity with Public Cloud offerings
  • complex, multi-year engineering initiatives spanning multiple teams and organizations
  • full software development lifecycle
  • system design and implementation to deployment, performance optimization, and continuous improvement
  • senior technical leader
  • engineering excellence
  • mentorship
  • culture of innovation, quality, automation, and operational rigor
  • active U.S. Government Top Secret Clearance with access to Sensitive Compartmented Information (SCI) based on a Single Scope Background Investigation (SSBI) with Polygraph
  • U.S. citizenship