Lead Mechanical Engineer, Data Center Thermal Systems

Dc Blox

United States

Remote

USD 140,000 - 210,000

Full time

14 days+

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Job summary

DC BLOX in the United States is seeking a Lead Mechanical Engineer to drive the development, standardization, and deployment of advanced cooling systems across our data center platform. You will act as the mechanical SME for next-generation thermal solutions, focusing on hydronic design and direct-to-chip liquid cooling to support high-density AI and HPC workloads.

This role operates at strategic and execution levels, defining design standards while partnering with development, construction,

Qualifications

Bachelor’s degree in Mechanical Engineering; Master’s preferred.
10–15+ years in mechanical engineering for data centers or critical facilities.
Deep expertise in HVAC systems (CRAHs, chillers, cooling towers, pumps, heat exchangers).
Experience developing OPR, BoD, and design standards.
PE license preferred.
Knowledge of ASHRAE standards and building codes.

Responsibilities

Define cooling system architectures across air-cooled, liquid-cooled, and hybrid data center environments.
Lead hydronic design strategies supporting direct-to-chip cooling, including CDU integration, secondary TCS loop design, and rack-level heat rejection.
Establish and maintain mechanical design standards, including redundancy models, system topologies, and equipment selections.
Drive innovation in AI/HPC-ready infrastructure, including liquid-to-chip, immersion cooling, and high-density thermal management solutions.
Develop engineering guidelines, templates, and specifications to support rapid and consistent deployment.
Support Operations teams in optimizing system performance, reliability, and maintainability.
Balance CAPEX vs. OPEX considerations through value engineering and lifecycle analysis.