Microsoft AI

Senior Software Engineer - Copilot Security

Microsoft AI
hybrid senior full-time $119,800 - $234,700 per year Mountain View
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First indexed 6 Mar 2026

Description

Summary

Microsoft AI are looking for a talented Senior Software Engineer to join their Copilot Security team in Mountain View. This role sits at the heart of strategic decision-making, turning market data into actionable insights for a company that's revolutionising AI experiences. You'll work directly with leadership to shape the company's direction in the AI and security markets.

About the Role

Copilot for consumers is entering a new era of agentic AI, where intelligent agents act on behalf of users across Windows, Edge, web, mobile, and third-party products. We're seeking a Senior Software Engineer to help develop security features and solutions that harness agentic AI to protect customers and enable new capabilities in Copilot. You'll contribute to designing and building AI-powered defenses, secure orchestration frameworks, and enabling technologies that empower Copilot to act safely and responsibly at scale.

Accountabilities

  • Develop and ship agentic AI-powered security features that protect users from threats such as prompt injection, adversarial manipulation, and abuse of agentic workflows.
  • Implement secure orchestration frameworks that enable Copilot to safely delegate, coordinate, and execute actions across devices, services, and platforms.

The Candidate we're looking for

Experience:

  • 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.

Technical skills:

  • Experience building production agent systems using frameworks such as LangGraph, Amazon Strands SDK, or similar platforms; familiarity with agentic design patterns including tool calling, multi-agent coordination, and secure delegation patterns.

Personal attributes:

  • Proven ability to design, build, and ship agentic AI features or frameworks.
  • Ability to clearly explain complex systems and security concepts to technical and non-technical stakeholders and influence cross-org roadmaps.

Benefits

  • Competitive salary range: $119,800 - $234,700 per year.
  • Comprehensive benefits package, including health, dental, and vision insurance.
  • 401(k) matching program.
  • Flexible work arrangements, including remote work options.
  • Opportunities for professional growth and development.
  • Collaborative and dynamic work environment.
This listing is enriched and indexed by YubHub. To apply, use the employer's original posting: https://microsoft.ai/job/senior-software-engineer-copilot-security-3/