Mechanical Engineer

Location & work modality: HQ Rubí (near Barcelona) / hybrid model (3 days per week at the office)

Start: ASAP

Type of Contract: Full Time / Permanent

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.

What impact you will have

We are seeking a Mechanical Engineer to lead the design and delivery of critical mechanical systems for high-density data centers, including both conventional air-cooled facilities and direct liquid cooling (DLC) environments. This role ensures the safe, efficient, and resilient operation of cooling and mechanical infrastructure . from chillers to fan wall, CRAC/CRAH units, CDU loops and rack-level liquid cool...