[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Microsoft jobs](https://jobs.opennash.com/companies/microsoft/) · [Search jobs](/search/) Microsoft # Principal Software Engineer United States, Washington, Redmond, Texas, Austin, California, Mountain View Senior individual contributor Software Engineering Listed on Microsoft’s official careers site. Posted October 1, 2026. Check that it is still open and apply there. [Apply on Microsoft’s careers site →](https://apply.careers.microsoft.com/careers/job/1970393556961433) [OpenNash Jobs](https://jobs.opennash.com/) / [Microsoft](https://jobs.opennash.com/companies/microsoft/) / Principal Software Engineer ## Job description Responsibilities include prototyping and evaluating new hardware and software designs, bringing up new SoCs and platforms, validating hardware and firmware features, debugging system-level issues, analyzing performance, and developing scalable automation frameworks and regression test suites. The candidate will work closely with architects, silicon design teams, firmware developers, operating system engineers, and system integration teams to define requirements, enable new capabilities, optimize platform performance, and drive resolution of complex hardware and software issues throughout the product lifecycle. Develop kernel and user mode components for Windows to enhance diagnostic and debugging capabilities at scale that meet our security and privacy standards. Envision processes and develop infrastructure that efficiently integrates the new diagnostic data for teams in Windows, IHVs and OEMs to put into practice. Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. OR equivalent experience. A Bachelor's degree in Computer Science, Computer Engineering or other relevant field of study combined with similar relevant work experience. 7+ years of experience in software and/or product development. Demonstrated experience with C/C++ design, coding, debugging and testing skills. Solid communication skills required, including the ability to clearly express technical concepts in verbal and written forms. Solid understanding of SoC architecture, platform bring-up, boot flows, and system initialization. Experience with silicon validation, hardware debugging, and root cause analysis across hardware, firmware, and software layers. Knowledge of platform technologies and peripherals including PCIe, NVMe, USB, I2C, SPI, UART, GPIO, and power management. Solid understanding of operating system fundamentals, including memory management, scheduling, interrupts, synchronization, and multithreaded programming. Experience developing, debugging, and optimizing device drivers in Windows or Linux environments. Familiarity with Plug and Play architecture, device enumeration, power management, and driver lifecycle management. Experience with kernel debugging, crash dump analysis, hardware debuggers, and JTAG-based bring-up and validation tools. Proficiency in designing maintainable, modular, and reusable software components with a focus on scalability and long-term supportability. Experience developing automated validation frameworks, test infrastructure, and regression suites for pre-production and production hardware. Solid analytical and troubleshooting skills with the ability to debug issues across silicon, firmware, drivers, operating systems, and applications. Proven ability to collaborate effectively with cross-functional teams and external partners to deliver solutions that scale across multiple product generations and architectures. Experience working in Agile development environments and applying Scrum methodologies to deliver high-quality engineering outcomes. ## At a glance - Posted by the employer: Oct 1, 2026 - First seen by OpenNash: Aug 21, 2026 - Last checked: Oct 18, 2026 - Listed for: 58 days - Location: United States, Washington, Redmond, Texas, Austin, California, Mountain View[Apply on Microsoft’s careers site →](https://apply.careers.microsoft.com/careers/job/1970393556961433) ## More jobs at Microsoft ### [Software Development Engineer](https://jobs.opennash.com/companies/microsoft/jobs/67dd797b8641f73390b6/) United States, Washington, Redmond, Texas, Austin, California, Mountain View ### [Software Engineer II-SIRE](https://jobs.opennash.com/companies/microsoft/jobs/24fcece1bb1796a22f4f/) United States, Washington, Redmond, Texas, Austin, California, Mountain View ### [Backend Software Engineer](https://jobs.opennash.com/companies/microsoft/jobs/8d87de29b261313ed137/) Czech Republic, Multiple Locations ### [Business Program Manager - Capacity Automation & Backend Tools](https://jobs.opennash.com/companies/microsoft/jobs/e7256a1bba75b9768669/) United States, Washington, Redmond, Multiple Locations ### [Compiler Software Engineer](https://jobs.opennash.com/companies/microsoft/jobs/15ff463d0aab951e2430/) Czech Republic, Multiple Locations ## Similar jobs at other companies ### [Principal Software Engineer – Mobile Software Architecture](https://jobs.opennash.com/companies/qualcomm/jobs/914589d5d4db917886f4/) Qualcomm · San Diego, California, United States of America ### [Principal Software Engineer](https://jobs.opennash.com/companies/jpmorganchase/jobs/43ddee4b84a577509be8/) JPMorganChase · Seattle, WA, United States ### [Principal Software Engineer](https://jobs.opennash.com/companies/citigroup/jobs/57f0d1514e469a39bd0b/) Citigroup · Jacksonville Florida United States ### [Principal Software Engineer](https://jobs.opennash.com/companies/aramark/jobs/ab582b5e1a57f5b633f8/) Aramark · Philadelphia, PA, US ### [Principal Software Engineer - Apache Cassandra](https://jobs.opennash.com/companies/jpmorganchase/jobs/a7c527beea02339f82da/) JPMorganChase · Columbus, OH, United States OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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