Senior Software Engineer - CTJ - Poly

Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security 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.

Are you ready to shape the future of identity and security at scale? Microsoft Identity & Network Access (IDNA), which includes Microsoft Entra, is looking for a Senior Software Engineer.  The IDNA team is at the heart of the digital experience—protecting over a billion active users every month. From Windows and Office to Azure and Xbox, our identity platform powers the trust behind nearly every Microsoft product and service. Microsoft Entra is not just growing—it’s thriving. We’re on a mission to secure the world’s most valuable digital assets and most visited services, and we’re looking for passionate engineers to help us get there. Our Green Domain and Networking team builds the foundational infrastructure service that enables Microsoft Entra to scale across public and sovereign cloud environments, including the U.S. Government cloud. We’re revolutionizing how complex services deploy and operate at global scale, and we need bold thinkers and builders to join us. If you're excited by high-impact engineering, solving complex challenges that matter—this is your opportunity.

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.

#MSFTSecurity, #IDNA, #Identity, #IdentityJobs

Responsibilities

• Design and deliver scalable, secure, and resilient software solutions that power mission-critical services across platforms and cloud environments, including public and sovereign clouds.

• Lead technical innovation by applying design excellence, performance optimization, and data-driven decision-making across the service lifecycle.

• Mentor and grow engineering talent, fostering a culture of technical rigor, inclusion, and continuous learning within and across teams.

• Collaborate across organizational boundaries to align architecture, execution, and long-term strategy with partner teams and stakeholders.

• Champion engineering best practices in code quality, testing, observability, and operational excellence to ensure high availability and reliability at scale.

• Drive incident response and root cause analysis, contributing to a culture of accountability and continuous improvement.

• Stay ahead of the curve by evaluating emerging technologies including Artificial Intelligence and incorporating them into our platform where they add value.

• Participate in an on-call rotation to support service reliability.

Qualifications

Required Qualifications:

• Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
  • OR equivalent experience.

• 3+ years of experience in designing, analyzing, and troubleshooting large-scale distributed systems

Other Requirements:

Security Clearance Requirements: Candidates must be able to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings:  

• The successful candidate must have an active U.S. Government Top Secret Clearance with access to Sensitive Compartmented Information (SCI) based on a Single Scope Background Investigation (SSBI) with Polygraph. Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. Failure to maintain or obtain the appropriate U.S. Government clearance and/or customer screening requirements may result in employment action