New 
Principal Firmware Security Engineer
 Microsoft | |
 United States, Washington, Redmond | |
 Oct 24, 2025 | |
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OverviewDo you want to be at the forefront of innovating the latest hardware designs to propel Microsoft's cloud growth? Are you seeking a unique career opportunity that combines technical capabilities, cross team collaboration, with business insight and strategy? 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 achieve 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. Join the Systems Planning and Architecture (SPARC) team within Microsoft's Azure Hardware Systems and Infrastructure (AHSI) organization, the team behind Microsoft's expanding Cloud Infrastructure and for powering Microsoft's "Intelligent Cloud" mission. Microsoft delivers more than 200 online services to more than one billion individuals worldwide and AHSI is the team behind our expanding cloud infrastructure. We deliver the core infrastructure and foundational technologies for Microsoft's cloud businesses including Microsoft Azure, Bing, MSN, Office 365, OneDrive, Skype, Teams and Xbox Live. The SPARC organization manages Azure's hardware roadmap from architecture concept through production for all of Microsoft's current and future on-line services. This role is for a highly motivated Firmware Engineer with a background in driver design and development. You will be involved with all phases of product development, from secure silicon design through manufacturing and supply chain, and into high scale deployment. At the design phase, you will work with security threat model team and be responsible for the silicon security architecture and design of low-level hardware accelerators. We are looking for a Principal Firmware Security Engineer to join our 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.
ResponsibilitiesWe are seeking a highly motivated and experienced Principal Software Engineer with deep expertise in hardware development and large language model (LLM) design and integration. In this role, you will contribute to every phase of product development-from silicon design to firmware architecture and security engineering. Key ResponsibilitiesLead firmware security architecture during the design phase.Apply LLMs for design assurance, including:Threat modelingVulnerability discoveryDesign accelerator chips and collaborate on silicon architecture, covering:Security protocolsBoot initialization and power-on sequencesVulnerability detection and servicing strategiesCloud infrastructure feature developmentEmbody our culture and values. | |