Software Engineer II - C++

Job ID: 200052132Posted: 2026-09-25Location: United States, Washington, RedmondSalary: USD $102,100 - $202,200 per yearEmployment type: Full-TimeWork site: 3 days / week in-officeRole type: Individual ContributorTravel: Less than 25%Profession: Software EngineeringDiscipline: Software EngineeringCompany: MicrosoftOverviewSecurity 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.We are looking for a Software Engineer II passionate about systems programming, operating-system internals, and computer networking. In this role, you will gain experience building security software that runs on diverse customer endpoints and operates across user mode, kernel mode, and cloud-connected systems to join to the Global Secure Access Client team.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.ResponsibilitiesDesign and develop secure, reliable, and performant Global Secure Access endpoint components using C/C++ or Rust. Build solutions that integrate with the operating system network stack, including user-mode services and kernel-mode components. Use proficient networking knowledge to design secure traffic handling solutions and troubleshoot complex connectivity issues across the networking stack. Engineer for large, heterogeneous endpoint fleets by addressing compatibility, safe deployment, resource efficiency, limited observability, and interactions with other networking and security products. Deliver high-quality components through clear interfaces, design and code reviews, threat modeling, automated testing, telemetry, and production diagnostics. Collaborate across endpoint, identity, security, and cloud-service teams to shape and deliver cohesive end-to-end Global Secure Access experiences. Embody our culture and valuesQualificationsRequired Qualifications:Bachelor's Degree in Computer Science or related technical field AND 2+ years technical engineering experience with coding in languages including, but not limited to, C, C++, or Rust OR equivalent experience OR equivalent experience.Other Requirements:- 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 Cloud background check upon hire/transfer and every two years thereafter.Preferred Qualifications:3+ years of experience developing or debugging software involving computer networking, including protocols such as IP, TCP, UDP, DNS, or TLS. 3+ years of experience developing systems software involving OS internals, kernel-mode components, device drivers, or low-level operating-system APIs. Knowledge of secure software development, concurrency, memory management and performance optimization.Experience developing Windows kernel-mode drivers or networking components using technologies such as Windows Filtering Platform (WFP) or Network Driver Interface Specification (NDIS). Experience troubleshooting networking or systems issues using debuggers, crash dumps, traces or packet captures. Experience building endpoint software deployed across large and diverse enterprise environments#MSFTSecurity GSAClientSoftware Engineering IC3 - The typical base pay range for this role across the U.S. is USD $102,100 - $202,200 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $133,800 - $219,200 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.Microsoft is an equal opportunity employer. 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 with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.