Principal Engineer, System Diagnostics

About Marvell Marvell’s semiconductor solutions are the essential building blocks of the data infrastructure that connects our world. Across enterprise, cloud and AI, and carrier architectures, our innovative technology is enabling new possibilities. At Marvell, you can affect the arc of individual lives, lift the trajectory of entire industries, and fuel the transformative potential of tomorrow. For those looking to make their mark on purposeful and enduring innovation, above and beyond fleeting trends, Marvell is a place to thrive, learn, and lead. Your Team, Your ImpactMarvell is seeking a talented senior-level System Diagnostic Engineer to join our Platform Engineering team, supporting board, switch, and optics development for next-generation network switch platforms. This role drives execution across highly complex, cross-functional programs addressing some of the most demanding challenges in AI, wired and wireless communications, and critical infrastructure markets.This role is responsible for designing, developing, and implementing diagnostic software that bridges the gap between hardware and software, ensuring that high-performance switching hardware is defect-free, reliable, and production-ready. Your software will test everything from low-level silicon interfaces to complex system-level routing paths during the prototyping, manufacturing, and deployment phases.You will operate in a highly visible technical environment, providing diagnostic software expertise, hardware bring-up support, and lab-based validation while engaging with cross-functional engineering teams to ensure platform designs meet performance, quality, and schedule objectives.What You Can ExpectDesign and implement low-level diagnostic software, test suites, and APIs to exercise and validate network switch hardware componentsDevelop test plans to verify ASICs, high-speed SerDes, memory interfaces (DDR/HBM), PCIe buses, power management, and thermal control systemsPartner with hardware design and silicon teams during initial board bring-up, debugging early prototype hardware and isolating root-cause issuesDeliver robust diagnostic test coverage for integration into factory manufacturing lines to ensure high-quality production standardsBuild automated testing frameworks and scripts to execute diagnostic software, collect metrics, and analyze failure dataWork closely with Hardware Engineering, ASIC Design, Embedded Firmware, and Network OS teams to define diagnostic requirements and hardware-testability (DFT) hooksMentor junior engineers in developing their diagnostic software and hardware debug skills, and provide technical guidanceProactively identify hardware-testability and production-readiness risks across the platform stack, develop mitigation strategies, and escalate issues as needed to drive resolutionWhat We're Looking For•Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related technical field and 10-15 years of related professional experience; Master's degree in a related technical field with 5-10 years of experienceProficient in C/C++ for embedded or low-level software development, along with strong scripting skills in Python or Bash for automationSolid understanding of switch architecture, high-speed signal integrity, SerDes, I2C/SPI/MDIO protocols, PCIe, and peripheral managementExperience developing in Linux environments, including knowledge of Linux drivers, kernel concepts, and memory mappingHands-on experience using lab equipment such as oscilloscopes, logic analyzers, and JTAG debuggers to isolate hardware vs. software bugsExperience with networking ASICs or switch silicon from vendors like Broadcom, Marvell, or Intel (Barefoot) is a plusFamiliarity with networking protocols (Ethernet, TCP/IP, Layer 2/3 switching) and optical transceiversKnowledge of U-Boot, Open Network Install Environment (ONIE)Exposure to rack-scale management: BMC (OpenBMC), PDU, IPMI, or RedfishExperience with continuous integration (CI/CD) pipelines and automated test infrastructureProven experience managing test relationships with ODM/JDM or CM partnersStrong analytical, problem-solving, and debug skills, with an inherent sense of urgency and accountabilityExpected Base Pay Range (USD)150,680 - 225,700, $ per annumThe successful candidate’s starting base pay will be determined based on job-related skills, experience, qualifications, work location and market conditions. The expected base pay range for this role may be modified based on market conditions. This role is eligible to participate in Marvell's bonus and equity plans, including a new hire equity grant and annual equity refreshers, ensuring you are rewarded for your contributions and remain invested in the company's long-term success. Additional Compensation and Benefit Elements Marvell is committed to providing exceptional, comprehensive benefits that support our employees at every stage - from internship to retirement and through life’s most important moments. Our offerings are built around four key pillars: financial well-being, family support, mental and physical health, and recognition. Highlights include an employee stock purchase plan with a 2-year look back, family support programs to help balance work and home life, robust mental health resources to prioritize emotional well-being, and a recognition and service awards to celebrate contributions and milestones. We look forward to sharing more with you during the interview process.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.Any applicant who requires a reasonable accommodation during the selection process should contact Marvell HR Helpdesk at View email address on click.appcast.io Integrity To support fair and authentic hiring practices, candidates are not permitted to use AI tools (such as transcription apps, real-time answer generators like ChatGPT or Copilot, or automated note-taking bots) during interviews.These tools must not be used to record, assist with, or enhance responses in any way. Our interviews are designed to evaluate your individual experience, thought process, and communication skills in real time. Use of AI tools without prior instruction from the interviewer will result in disqualification from the hiring process.This position may require access to technology and/or software subject to U.S. export control laws and regulations, including the Export Administration Regulations (EAR). As such, applicants must be eligible to access export-controlled information as defined under applicable law. Marvell may be required to obtain export licensing approval from the U.S. Department of Commerce and/or the U.S. Department of State. Except for U.S. citizens, lawful permanent residents, or protected individuals as defined by 8 U.S.C. 1324b(a)(3), all applicants may be subject to an export license review process prior to employment.#LI-AO1SummaryLocation: Santa Clara, CAType: