Mechanical Engineer - Liquid Cooling

Barge Design Solutions

20h

About The Position

Barge Design Solutions is seeking a Mechanical Engineer with experience in high-density data center cooling systems to support the rapidly growing mission-critical sector. This role will focus on the design and integration of advanced cooling infrastructure supporting modern data centers and AI/HPC workloads, including both traditional chilled water systems and emerging liquid cooling technologies. The ideal candidate understands how IT thermal loads translate into mechanical infrastructure, and has experience designing hydronic systems, heat rejection systems, and high-density cooling solutions used in mission-critical environments. This position offers the opportunity to work on next-generation data center facilities supporting cloud, AI, and high-performance computing infrastructure. What You Get: Meaningful Project Work – Contribute to mission-critical infrastructure supporting the global digital economy. Technical Growth – Work on advanced cooling technologies including liquid cooling and high-density compute environments. Collaborative Engineering Culture – Work alongside electrical, controls, and structural engineers solving complex infrastructure challenges. Competitive Compensation – We recognize top talent with competitive pay and benefits. Growth & Stability – Join a well-established engineering firm with a strong presence in the data center sector. Flexibility & Work-Life Balance – We support a flexible environment that promotes both professional growth and personal well-being.

Requirements

Bachelor’s degree in Mechanical Engineering from an ABET-accredited university and an active Professional Engineer (PE) license.
Mechanical engineering background in mission-critical facilities, with a strong preference for experience in hyperscale or colocation data centers, AI compute environments, or High-Performance Computing (HPC).
Experience designing or supporting high-density data center cooling architectures, including chilled water and hydronic systems, liquid cooling (direct-to-chip or immersion), and CDU/secondary coolant loops.
Proficiency with Revit, AutoCAD, or similar design software, and familiarity with ASHRAE data center thermal guidelines (TC 9.9).
Strong technical communication skills with the ability to convey complex information clearly and collaborate effectively across multidisciplinary project teams.

Responsibilities

Support the mechanical design of data center cooling systems in a multidisciplinary engineering environment.
Develop and support design of: Chilled water distribution systems
Pumping systems
Heat exchangers
Dry coolers and cooling towers
Hydronic piping systems
Assist in evaluating and integrating high-density cooling technologies, including: Direct-to-chip liquid cooling
Coolant Distribution Units (CDUs)
Rear-door heat exchangers
Secondary coolant loops
Immersion cooling systems
Perform engineering calculations including: Cooling load calculations
Pump head calculations
Hydraulic analysis of piping systems
Heat exchanger sizing
Support development of: Mechanical drawings
P&IDs
Equipment specifications
Basis-of-design documents