About this role
Principal Security Engineer
United States, Washington, Redmond
Job description
Company and benefits
Job number
200059401
Date posted
Oct 01, 2026
Work site
3 days / week in-office
Travel
Less than 25%
Profession
Security Engineering
Discipline
Security Assurance
Role type
Individual Contributor
Employment type
Full-Time
Overview
The Cloud & AI organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’ heterogeneous environments, as well as ensuring the security of our own internal estate. Our culture is centered on embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. In doing so, we create life-changing innovations that impact billions of lives around the world. Microsoft is one of the largest enterprise service companies in the world.
Are you ready to take your career to another level at Microsoft? The Azure Security DevSec team is looking for a Principal Security Engineer to join us in securing services in the Microsoft Cloud. We work with service teams across Microsoft to evaluate and improve their security posture in the cloud, continuously moving the needle across multiple dimensions of their design, development and deployment security. In this role, you will collaborate with teams across Microsoft Azure to dive deep and evaluate the Security promises and risk posed by and to service ecosystems, recommend systemic mitigations, innovate on remediations for new issue The Azure Security DevSec team is looking for a Principal Security Engineer to join us in securing services in the Microsoft Cloud. We work with service teams across Microsoft to evaluate and improve their security posture in the cloud, continuously moving the needle across multiple dimensions of their design, development and deployment security. In this role, you will collaborate with teams across Microsoft Azure to dive deep and evaluate the Security promises and risk posed by and to service ecosystems, recommend systemic mitigations, innovate on remediations for new issue ecosystems, recommend systemic mitigations, innovate on remediations for new issue classes, contributing to the feedback loop that can help achieve these outcomes at scale.
Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
In alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day.
Responsibilities
- Perform security reviews and deep dives for on cloud-hosted service ecosystems in Microsoft Azure, helping understand the security promise posture, risks to the target ecosystem and broader Azure.
- Security expertise in at least one of the following Core areas: virtualization, memory safety (C/C++), Networking protocols, Cloud security, Kernel security, etc.
- Drive secure-by-design improvements by developing security guidance, reference architectures, and practical remediation strategies that help teams address systemic security challenges and architectural anti-patterns.
- Bring a growth mindset to tackle new and challengi