About Submer
Submer designs and delivers end-to-end AI datacenter infrastructure built around industry-leading liquid cooling.
We help organizations scale AI beyond the limits of traditional datacenters by enabling higher density, greater efficiency and lower environmental impact – accelerating time-to-AI from first deployment to full production.
Location Location: HQ - Rubí (Barcelona)
Start Start: ASAP
Type of Contract Type of Contract: Full Time / Permanent
What You’ll Do
Electrical, Electronics and Control Design: Develop detailed electrical schematics ensuring safety, energy efficiency, electromagnetic compatibility (EMC), and compliance with applicable standards.
Product Development: Collaborate with cross‑functional teams in the full product lifecycle (NPI - New Product Introduction, quality assurance), from conceptualization to industrialization.
PLC Development: Program and implement control logic using PLC environments for prototyping and custom series.
Embedded programming: Develop embedded software for process control.
Cost Optimization (BOM):



Manage and optimize the Bill of Materials to ensure the electrical design is viable for high‑volume manufacturing.
Documentation: Develop and maintain detailed documentation, including technical specifications, user manuals, and maintenance procedures.
Services support: Diagnose and resolve issues in automated systems to minimize downtime and ensure optimal performance.
What You’ll Need
Bachelor’s or Master’s degree in Electronics, Electrical, Mechatronics, Telecommunications Engineering or a related field.
Minimum 7 years of experience in product development, automation design, programming, and implementation (e.g. experience over consumer electronics, building automation, automotive industry, IOT devices, illumination, HVAC or measure devices).
Experience in PLC languages and knowledge of C for embedded systems.
Proficiency in electrical CAD software (EPLAN or AutoCAD Electrical).

Experience with industrial comm

📌 Senior Automation Engineer (Barcelona)
🏢 Submer
📍 Barcelona