OverviewAs a Functional Test Engineer, you will validate products against architectural specs and functional requirements, creating validation environments and executing system-level test plans.

You will collaborate with hardware, firmware, and software teams to isolate defects, validate fixes, and ensure robust, high-quality products.

Your work will span hardware and software domains, driving root-cause analysis and delivering repeatable validation results.

You will contribute to automation, tooling, and CI flows to improve efficiency and reliability.

This role offers impact through cross-functional collaboration and problem solving in a fast-paced, integral engineering environment.

Compensaciones / Beneficioscompetitive compensation performance-based incentives flexible work arrangements development opportunities

ResponsabilidadesSystem Validation &

- Debug: validate complex system-level scenarios including performance, power, and functional coverage

Root Cause Analysis: own failure analysis from symptoms to resolution across cross-domain interactions

Automation &

- Tooling: develop and optimize validation tools, scripts, and infrastructure to boost efficiency

Hardware &

- Software Debug: use lab equipment and software debuggers to diagnose issues

Collaboration:



work with Hardware/ASIC Design, Firmware, Architecture, and Software teams to verify fixes

Documentation &

- Reporting: maintain bug tracking and test coverage records using Jira, Git, or similar systems

Requisitos principales10+ years in system validation, functional testing, ASIC/SoC debug, or related roles

Strong understanding of computer architecture, memory subsystems (DDR, PCIe), and protocols (I2C, SPI, UART, USB)

Scripting and automation in Python, LabView, or Ladder Logic

C/C++ knowledge for firmware or driver debugging

Experience with version control and bug tracking tools (Git, Jira, Bugzilla)

Excellent analytical, problem-solving, and communication skills

Hands-on ASIC or SoC bring-up and post-silicon validation

Exposure to CI pipelines and automated validation frameworks

Experience in highly cross-functional, global engineering teams

Ability to create repeatable debug playbooks and clear documentation strong communication analytical mindset detail-oriented validation and debugging of system-level scenarios lab equipment (oscilloscopes, logic analyzers, protocol analyzers, JTAG, PLC, DAC cards)

software debuggers (GDB, logging, tracing tools)

📌 Functional Test Engineer (Experience In Debug) - Littelfuse (Valladolid)
🏢 Littelfuse
📍 Valladolid