Microsoft

Principal Software Engineer

Microsoft
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13 days ago
Redmond, WA, USAStaff+
H1B sponsor

Base Salary

$143k - $304k/yr

Responsibilities

  • Design and implement distributed systems delivering security-focused improvements and mitigations, including telemetry, reproducibility, governance, automated validations, and safety gates.
  • Set engineering direction for adversarial testing, model evaluation, risk measurement, and secure deployment services and tooling.
  • Ensure security mitigations and architectural changes meet high standards for availability, reliability, security, performance, and scalability.
  • Drive threat modeling, observability, automation, simplification, reusable patterns, and platform approaches across Microsoft's AI ecosystem.
  • Partner with security researchers, red teams, applied scientists, Responsible AI, platform engineering, product teams, and PM/TPM partners.
  • Represent Copilot Security Engineering in architecture reviews, risk assessments, and cross-team security initiatives.
  • Communicate technical strategy, progress, risks, and results to leadership and partner teams.

Requirements

  • Bachelor's degree in Computer Science or a related technical field and at least 6 years of technical engineering experience with coding.
  • Equivalent experience may substitute for the stated education and experience requirements.
  • Coding experience with one or more of C, C++, C#, Java, JavaScript, or Python.
  • Ability to meet Microsoft, customer, and/or government security screening requirements, including the Microsoft Cloud Background Check.
  • Preferred qualifications include a master's degree with 8+ years of experience or a bachelor's degree with 12+ years of experience.
  • Experience building or operating security-critical systems, evaluation frameworks, or platform services is preferred.
  • Familiarity with adversarial testing, AI/ML evaluation, telemetry pipelines, or secure-by-design engineering practices is preferred.
  • Experience partnering with applied science, security research, red teams, or Responsible AI stakeholders is preferred.
  • Proven ability to influence cross-organizational partners and align engineering execution with product and risk priorities is preferred.
  • Strong written and verbal communication skills, including presenting technical strategy to senior leadership, are preferred.

Benefits

  • Hybrid Redmond work arrangement with three days per week in the office and two days per week working from home.
  • Domestic relocation assistance is available.
  • Certain roles may be eligible for benefits and other compensation.
Microsoft

About Microsoft

10,000+ employees

Microsoft develops operating systems, productivity software, cloud services, developer tools, and consumer devices for individuals, enterprises, and governments. Its main products include Windows, Microsoft 365, Azure, Visual Studio/GitHub, Xbox, and LinkedIn; revenue comes from software subscriptions and licenses, cloud consumption, hardware sales, and advertising. Founded in 1975 and headquartered in Redmond, Washington, Microsoft is a public company traded on Nasdaq.

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