Mechanical Engineer (AI Data Centers)

Location: Sunnyvale, United States; on-site

Company

hirify.global builds large-scale AI computing systems powered by its high-performance AI chip architecture for model labs, enterprises, and AI-native startups.

What you will do

• Provide technical oversight for mechanical infrastructure across leased AI data center deployments.
• Review basis-of-design documents, drawings, equipment submittals, RFIs, change requests, and developer design decisions.
• Act as the owner's technical representative during design, construction, commissioning, and turnover.
• Validate high-density cooling systems, including chilled-water infrastructure, CDUs, piping, containment, leak detection, and CRAH/CRAC integration.
• Inspect installations, review contractor methods, resolve technical issues, and support schedule recovery.
• Support FAT, SAT, IST, FPT, mechanical startup, cooling optimization, owner acceptance, and operational readiness.

Requirements

• Bachelor's degree in Mechanical Engineering.
• 8+ years of experience in mission-critical facilities or hyperscale data centers.
• Strong understanding of chilled-water cooling systems and data center cooling infrastructure.
• Experience with high-density AI/HPC cooling, construction, and commissioning.
• Ability to interpret mechanical drawings and manage technical projects.
• Excellent communication and cross-functional collaboration skills.

Nice to have

• Professional Engineer license.
• Experience with leased, hyperscale, or AI data centers.
• Familiarity with liquid cooling, ASHRAE thermal guidelines, BIM, Revit, Navisworks, or CFD analysis.

Culture & Benefits

• Work on an AI computing platform designed beyond traditional GPU constraints.
• Opportunity to contribute to cutting-edge AI research and high-performance computing systems.
• Startup vitality combined with job stability.
• Simple, non-corporate work culture focused on individual respect.
• Continuous learning, growth, and support for an inclusive work environment.