Power Design Engineer – Data Center Accelerator Boards

We are looking for a Power Design Engineer to own the power delivery architecture and implementation for our accelerator PCBs used in data center servers for HPC and AI/ML workloads. You will be responsible for high‑current, high‑efficiency VRM design, power tree definition, and ensuring robust power integrity for advanced accelerator SoCs and high‑speed memory.

Responsibilities

• Architect and design the power supply and board‑level power delivery network (PDN) for accelerator cards and related platforms.
• Define power trees, rails, sequencing, and margining.
• Select VRMs, DC‑DC converters, controllers, FETs, magnetics, and protection components.
• Investigate PCB technology options and define power delivery strategies for high‑current, low‑voltage environments.
• Enable the supply chain and work with suppliers over the full lifecycle.
• Perform schematic design for power stages and collaborate with layout engineers to ensure proper placement, routing, and copper utilization for high‑current paths.
• Work closely with PI/SI engineers on PDN impedance, decoupling strategies, and transient performance.
• Specify and guide power‑on sequencing, monitoring, and telemetry (PMBus, I2C, etc.).
• Conduct lab validation of power subsystems:
• Efficiency, ripple, transient response, and stability.
• Load/line regulation and thermal performance.
• Lead debug of power‑related issues (e.g., startup failures, droop, noise coupling, OCP/OVP events).
• Collaborate with silicon, hardware, system, reliability, and manufacturing teams to ensure design‑for‑reliability (DFR) and design‑for‑manufacturability (DFM) of power solutions.
• Generate design documentation, test plans, and bring‑up procedures.

Required Qualifications

• Bachelor’s and Master’s degree in Electrical Engineering or related field.
• 5+ years of experience in board‑level power design for high‑performance or server‑class systems.
• Strong understanding of switching power converters (buck, multiphase, POL regulators).
• Power topologies, compensation, and stability.
• High‑current layout techniques and loss optimization.
• Hands‑on experience with schematic capture (e.g., Siemens Xpedition) and familiarity with PCB layout constraint definition.
• Proficiency with lab equipment (oscilloscopes, electronic loads, power analyzers, DMMs).

Preferred Qualifications

• Experience designing power delivery for GPUs, CPUs, FPGAs, or custom accelerators in data center environments.
• Familiarity with PI simulation concepts and tools (e.g., CADENCE PowerSI, PowerDC, OptimizePI, VRM simulation (SIMetrix/SIMPLIS), etc.).
• Working knowledge of server power standards, hot‑plug, derating, and redundancy considerations.
• Relevant experience in Long‑Term Reliability prediction and testing (e.g., MTBF, FMEA, FIT, HTOL/HAST).
• Compliance, certification, and regulatory requirements knowledge for Power Delivery Designs and Qualification.
• Experience with PMBus configuration and debugging.
• Basic scripting skills for test automation (Python, LabVIEW, etc.).

What do we offer?

• Join an innovative team and experience company growth.
• We believe in investing in our employees and providing them with the opportunities they need to grow and develop their careers.
• Enjoy a hybrid work environment.
• We also offer flexible schedule.
• We offer a remuneration that values your experience.
• The position will have preferably the base in Karlsruhe (Germany).

At Openchip & Software Technologies S.L., we believe a diverse and inclusive team is the key to groundbreaking ideas. We foster a work environment where everyone feels valued, respected, and empowered to reach their full potential – regardless of race, gender, ethnicity, sexual orientation, or gender identity.