Sr. Staff Software/Firmware Engineer - MCU development

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 Impact Marvell Central Engineering (CE) develops Marvell most advanced High-Speed SerDes (HSS) IPs covering multiple applications, Switch, Automotive, Storage, Optics, etc. Acting as the engine to the company, Central Engineering provides the source of power to every business unit in Marvell system. Central System Engineering (CSE) in Central Engineering, independent of other CE functions including DSP algorithm development, circuit design, physical design, packaging, etc., is a function team responsible of validating all Marvell HSS IPs in the lab environment and supporting all Marvell business units for fast and smooth SoC production. What You Can Expect RISC-V MCU / SoC Integration Ownership Lead integration of an embedded RISC-V core (e.g., SiFive E24 Core) into chip validation environments Define MCU subsystem architecture: memory map, boot flow, and execution environment Integrate and validate system interconnect (AHB/AXI-lite) and memory hierarchy (ROM/SRAM) Implement interrupt architecture using PLIC and CLINT Firmware Development for PHY Validation Develop bare-metal and RTOS-based firmware for PHY/IP control and bring-up Implement calibration, training, and tuning algorithms for high-speed interfaces Build reusable firmware frameworks for: Register-level control abstraction Test sequencing and automation Logging, diagnostics, and error handling System-Level Bring-Up & Debug Lead silicon and pre-silicon bring-up using embedded firmware Debug cross-domain issues across hardware, firmware, and PHY behavior Enable rapid iteration of initialization, configuration, and recovery flows Drive root-cause analysis for system-level failures Validation Automation & Framework Integration Integrate RISC-V firmware into existing PHY validation automation framework Enable unified validation across simulation, emulation/FPGA, and silicon Develop firmware-driven test scenarios replacing or complementing external stimulus Build infrastructure for automated test execution and result collection Validation Strategy & Coverage Expansion Transition validation methodology from directed external tests to software-driven closed-loop validation Define and implement coverage for: Functional PHY behavior Corner cases and stress conditions Recovery and error handling scenarios Ensure reusability of validation content across programs and platforms Cross-Functional Collaboration Partner with RTL teams on SoC integration and interface definitions Work with validation teams to align firmware-driven test strategies Collaborate with architecture teams to define scalable validation platform direction Support system-level debug across hardware/software boundaries Infrastructure & Toolchain Ownership Maintain RISC-V toolchain environment (GCC, linker scripts, startup code) Support debug infrastructure (JTAG, OpenOCD, GDB workflows) Drive automation for firmware build, deployment, and regression execution What We're Looking For Must Have 8+ years of experience in embedded systems, firmware, or SoC development Strong proficiency in C/C++ with bare-metal programming Experience with low-level system development: Boot flows, startup code, linker scripts Memory-mapped I/O and register-level programming Interrupt handling and real-time constraints Hands-on experience debugging HW/SW integration issues (silicon, FPGA, or RTL simulation) Solid understanding of computer architecture fundamentals (CPU, memory hierarchy, buses) Nice to Have Experience with RISC-V systems or similar MCU architectures (e.g., ARM Cortex-M) Exposure to embedded SoC integration (bus fabrics such as AHB/AXI-lite) Familiarity with interrupt systems such as PLIC and CLINT Experience with PHY / SerDes / high-speed IP bring-up or validation RTOS experience (e.g., FreeRTOS , Zephyr) Exposure to silicon bring-up or post-silicon validation Strong Plus (Differentiators) Experience building firmware-driven validation frameworks or automation infrastructure Familiarity with simulation/emulation workflows (RTL co-sim, FPGA prototyping) Experience in closed-loop control systems (calibration, tuning, adaptive algorithms) Exposure to hardware verification or validation environments (UVM, testbenches) Core Skills for Success in This Role Ability to bridge hardware, firmware, and validation domains Strong system-level debugging mindset across HW/SW boundaries Ability to design scalable, reusable validation approaches (not just point tests) Experience working in cross-functional teams (RTL, validation, architecture) Expected Base Pay Range (USD) 131,010 - 196,300, $ per annum The 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. 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, rob