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. Microsoft Identity & Network Access (IDNA) is a central part of the everyday technology experience and safeguards over a billion active users every month. It enables the identity experience that is essential for almost every Microsoft product and service from Windows to Office, from Azure to Xbox. Microsoft Entra is a thriving business, and we have a huge role in our mission to secure the world's most precious assets and most visited services. We are the IDNA Security team with the mission to protect Entra services. We are a close community of engineers that play multiple roles -- work closely with various services, collaborate with other security teams, help services launch and run securely. We are looking for a Senior Software Engineer with a security mindset who can provide data intelligence, technical leadership and design along with delivering Entra protection goals via real time detection and defense systems. 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. **Responsibilities** + Design, build and test Microsoft's ZTNA solution on iOS and MacOS platforms. + Analyze and improve app performance. + Monitor the telemetry and take appropriate measures to improve our customer experience all while working closely with Program Managers and other Security Engineering disciplines. + Work on fast paced ideate/create/learn cycle and measurable value growth through the experiences you build. **Qualifications** • Excellent communication skills and ability to collaborate in a multi-disciplinary team consisting of Software Engineers, Program Managers, Security researchers, and Data Scientists. • 4+ years of experience as a software engineer working on industrial strength software and a proven track record of having shipped commercially successful software products & services. • 4+ years of experience in designing data structures, algorithms, highly concurrent programming, analysis of algorithm complexity. • 2+ years of experience designing end user applications on iOS or **MacOS** platform. • Strong network programming fundamentals, well versed with TCP/IP, VPN, HTTPS etc. • **2+ years of C++, Swift and Objective-C** with iOS internals • Strong debugging and problem-solving skills • Familiar with secure software development life cycle • Experience with software development tools such as source control systems (GIT), automated build systems, compilers, software validation systems, project tracking, and lifecycle management systems • Work independently, drive and manage technical and architectural dependencies. • BS or MS degree in Computer Science Ability 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: Microsoft Cloud Background Check: This position will be required to pass the Microsoft background and Microsoft Cloud background check upon hire/transfer and every two years thereafter. Microsoft is an equal opportunity employer. Consistent with applicable law, 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. If you need assistance and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations (https://careers.microsoft.com/v2/global/en/accessibility.html) .