Lead Mechanical Engineer, Capacity Delivery

Our client is delivering AI compute capacity at gigawatt scale, with an in-house engineering team that owns the reference design and holds design firms to account. Mechanical systems are the constraint on rack density, so this role sits at the centre of their build strategy.

You will own mechanical engineering across the portfolio — cooling plants, liquid loops and airside — and make the calls in the field that keep builds on schedule.

• 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 rigour before they reach the field.
• Coordinate closely with electrical, controls and construction leads through commissioning and handover.

• You've led mechanical engineering for data center or heavy industrial programs.
• You know liquid cooling at the design level: hydraulics, controls interface and redundancy.
• You've made field engineering calls under schedule pressure that held up.
• You manage design firms with technical authority, not just contract terms.

• Professional Engineer (PE) license.
• Direct-to-chip cooling experience.
• Modular skid packages, hydraulic and CFD modelling.