Lead Mechanical Engineer, Data Center Capacity & Cooling

Fluidstack; Austin (TX); On-site; USD 250,000 - 292,000; Full time

Job summary

Fluidstack in Austin, TX is seeking a Senior Mechanical Engineer to lead the mechanical engineering for data center and heavy industrial programs. You will own cooling plants, liquid loops, and airside systems from concept to energized operation.

You bring design-level liquid cooling expertise, hydraulics, controls interfaces, redundancy, and experience guiding design firms under schedule pressure. PE license is a plus.

Qualifications

• Led mechanical engineering for data center or heavy industrial programs.
• Knowledge of liquid cooling at the design level: hydraulics, controls interface, redundancy.
• Made field engineering calls under schedule pressure that held up.
• Managed design firms with technical authority, not just contract terms.
• Bonus: PE license, direct-to-chip cooling, modular skid packages, hydraulic and CFD modeling.

Responsibilities

• Own mechanical engineering across the portfolio: cooling plants, liquid loops, and airside from reference design to energized.
• Set the mechanical reference design for direct-to-chip liquid cooling and evolve it with each build's lessons.
• Make the field mechanical calls, routing conflicts, equipment substitutions, sequence changes, at build speed.
• Review consultant packages with owner-of-record rigor before they hit the field.

Skills

Led mechanical engineering

Liquid cooling design

Field engineering calls

Vendor management

PE license (bonus)

Direct-to-chip cooling

CFD modeling

Job description

Fluidstack in Austin, TX is seeking a Senior Mechanical Engineer to lead the mechanical engineering for data center and heavy industrial programs. You will own cooling plants, liquid loops, and airside systems from concept to energized operation.

You bring design-level liquid cooling expertise, hydraulics, controls interfaces, redundancy, and experience guiding design firms under schedule pressure. PE license is a plus.