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Principal Software Engineer

Microsoft

Redmond, Washington, U.S.
Full-Time
Posted Oct 22, 2025
3 days / week in-office

Compensation

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About the role

Would you like to be part of a team that builds the best-in-class secure connectivity platform to our customers? Do concepts such as privacy, zero trust and network security excite you? In this world where we need to assume all networks are compromised, would you like to craft the defenses that protect our customers.

Responsibilities

  • Architect, design and implement features in the Windows networking stack that accrue to network security.
  • Conduct analysis and do focused investigations based on customer cases related to the core networking areas using a variety of mechanisms such as logging, packet capture, telemetry data.
  • Debug, analyze and then design and implement fixes for defects found in the networking stacks.
  • Collaboratively work with teams in Redmond and IDC for design and development activities
  • Learn and keep up with networking standards-based protocols with the goal of building out great functionality to help customers
  • Partners with appropriate stakeholders to determine user requirements for a set of scenarios.
  • Leads identification of dependencies and the development of design documents for a product, application, service, or platform.
  • Leads by example and mentors others to produce extensible and maintainable code used across products.

Requirements

  • 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#.
  • OR equivalent experience.
  • 6+ years of industry experience with either C, C++, or Rust.
  • 5+ years of system software or operating system development experience.
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role.

Benefits

  • 401k matching
  • Health insurance
  • Discounts on products and services
  • Generous time away
  • Giving programs
  • Opportunities to network and connect

About the Company

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.

Job Details

Salary Range

Salary not disclosed

Location

Redmond, Washington, U.S.

Employment Type

Full-Time

Original Posting

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