Data Center MEP Engineer - Liquid Cooling Lead

Millennium Management LLC; New York (NY); On-site; USD 175,000 - 250,000; Full time

Job summary

Millennium leads the design and operation of critical data center MEP systems in a high-density environment. The role focuses on end-to-end design, commissioning, and continuous improvement of liquid cooling infrastructure, including direct liquid cooling, cold-plate assemblies, and rear-door heat exchangers across global sites.

The engineer will develop hydraulic models, perform thermal simulations, and coordinate with electrical and mechanical teams to ensure reliable UPS, PDU, and switchgear

Qualifications

• 5+ years of hands-on data center MEP engineering experience.
• Experience designing and commissioning liquid cooling technologies.
• Strong knowledge of chilled water, glycol, and refrigerant-based cooling.
• Familiarity with ASHRAE TC 9.9, Uptime Institute Tier, EN 50600 and NFPA 70.

Responsibilities

• Lead end-to-end design, commissioning, operation and improvement of liquid cooling infrastructure.
• Develop hydraulic models, heat-load calculations, and thermal simulations for high-density racks.
• Define liquid cooling distribution architecture and integration with chillers or dry-coolers.
• Oversee design, commissioning, and maintenance of critical mechanical systems (chillers, AHUs, CRAC/CRAH).
• Support electrical infrastructure design (UPS, PDU, switchgear, generators).
• Act as Owner’s Engineer for MEP capital projects, manage RFIs, submittals, and change orders.
• Maintain documentation (MOPs, SOPs, EOPs) and support risk assessments and audits.

Skills

Data center MEP engineering

Liquid cooling

Direct liquid cooling

Cold-plate

Rear-door heat exchanger

Chilled water

Project coordination

Documentation

Tools

AutoCAD

Revit MEP

6SigmaDC

Future Facilities

Job description

Millennium leads the design and operation of critical data center MEP systems in a high-density environment. The role focuses on end-to-end design, commissioning, and continuous improvement of liquid cooling infrastructure, including direct liquid cooling, cold-plate assemblies, and rear-door heat exchangers across global sites.

The engineer will develop hydraulic models, perform thermal simulations, and coordinate with electrical and mechanical teams to ensure reliable UPS, PDU, and switchgear