Experteer Overview
As a Senior Firmware Engineer, you will design and qualify embedded firmware for safety-critical components and systems. You’ll drive unit and system testing and help establish robust test automation, while aligning with safety standards across UL 1988, IEC 60730, IEC 61508, and ISO 26262. You’ll collaborate with manufacturing and suppliers to ensure performance, reliability, and cost targets. This role offers the opportunity to shape next-generation protection and control solutions in a cross-functional, innovation-driven environment.

Compensaciones / Beneficios
• Develop and qualify embedded designs for safety-critical components or systems
• Plan and execute unit- and system-level tests; collaborate with QA to create automated test suites
• Establish safety-critical software processes compliant with UL 1988, IEC 60730, IEC 61508, ISO 26262
• Develop DFMEA for safety-critical components and systems
• Coordinate with contract manufacturers or in-house fabrication to implement designs and evaluate production processes




• Occasional travel to evaluate suppliers and support ramp-up
• Develop and execute protection system qualification and reliability test plans
• Provide regular project updates within overall project planning and execution

Responsabilidades
• 10+ years of hands-on embedded firmware design for 32-bit/64-bit ARM architectures
• Experience with bare-metal and RTOS-based development (FreeRTOS, Zephyr)
• Proficiency with SPI, I2C, UART, Modbus, CAN, Ethernet
• Knowledge of cryptography, algorithms, and encryption for embedded devices
• Hands-on hardware bring-up and debugging tools (JTAG, oscilloscopes, logic analyzers)
• Experience in safety-critical firmware and supporting product compliance testing
• Entrepreneurial mindset; ability to navigate ambiguity and collaborate across teams

Requisitos principales
• competitive compensation and benefits
• performance-based incentives
• versátil work arrangements
• development opportunities

📌 Senior Firmware Engineer (San Sebastián)
🏢 Littelfuse
📍 San Sebastián