Data Center Mechanical Commissioning Lead

Lambda Inc.; San Francisco, Northern (CA, KY); Hybrid; USD 150,000 - 210,000; Full time

Benefits offered by this job

Cash & equity compensation

Health, dental, and vision coverage

Wellness and commuter stipends

401k with 2% company match

Flexible paid time off

Job summary

Lambda, The Superintelligence Cloud, is seeking a Mechanical Field Engineer to own the bring-up, commissioning, and startup of central plants and data-center cooling systems at active construction sites.

You will verify installations, run tests, coordinate with designers, contractors, and HPC teams, and mentor others while ensuring safety and readiness for high-density GPU workloads in a fast-growing AI cloud environment.

Qualifications

• Bachelor's degree in mechanical engineering or equivalent practical experience.
• Significant experience delivering, commissioning, or operating mechanical systems in data centers or mission-critical facilities.
• Ability to interpret P&IDs, equipment submittals, mechanical layouts, and test reports.
• Hands-on site inspections, pressure testing, flushing, water-treatment, and commissioning.
• Understanding of mechanical redundancy, failure isolation, and risk management.
• Ability to determine readiness to safely support high-density compute loads.
• Knowledge of construction safety, lockout/tagout, and startup practices.
• Strong communication with construction teams, engineers, vendors, and operators.
• Williness to travel extensively to active construction sites.

Responsibilities

• Serve as mechanical field engineering owner from construction through commissioning and startup.
• Verify installed systems match approved designs, P&IDs, and Lambda standards.
• Validate equipment installation, piping, supports, valves, and labeling.
• Ensure redundancy, isolation, and monitoring meet design intent.
• Inspect central plants, chillers, pumps, and liquid-cooling loops.
• Review test results including pressure tests, flushing, and balancing.
• Document punch lists and drive closure with stakeholders.
• Witness factory and site acceptance testing and integrated systems testing.
• Develop startup plans, SOPs, MOPs, and commissioning scripts.
• Troubleshoot flow, pressure, temperature, and water quality during bring-up.
• Confirm cooling capacity and control stability before GPU load.
• Coordinate with design engineers, GC, trades, and HPC teams.
• Validate as-built documentation and turnover packages.
• Capture lessons learned and contribute to design standards.
• Mentor engineers and provide senior technical leadership during startup.

Skills

Mechanical systems experience

Hydronic systems knowledge

P&ID interpretation

Site inspections

Mechanical redundancy

Safety startup practices

Field decision making

Clear communication

Travel willingness

Education

Bachelor of Mechanical Engineering or equivalent

Tools

Procore

Bluebeam

Job description

Lambda, The Superintelligence Cloud, is seeking a Mechanical Field Engineer to own the bring-up, commissioning, and startup of central plants and data-center cooling systems at active construction sites.

You will verify installations, run tests, coordinate with designers, contractors, and HPC teams, and mentor others while ensuring safety and readiness for high-density GPU workloads in a fast-growing AI cloud environment.