Senior Mechanical Lead Technician

Job Title

Senior Mechanical Lead Technician

The Mechanical Maintenance Lead oversees maintenance strategy, governance, and execution for cooling and mechanical systems in a mission-critical data center. This role ensures redundancy, thermal stability, and operational efficiency through preventive, predictive, and corrective maintenance programs. Serving as the mechanical subject matter expert, the role manages outage planning, condition-based maintenance, failure analysis, vendor performance, and lifecycle recommendations to improve system reliability and reduce operational risk.

Lead and continuously improve mechanical PM, PdM, and corrective maintenance programs for CRAC/CRAH units, chillers, CDUs, pumps, cooling towers, and related systems.

• Serve as the technical authority for cooling redundancy and thermal resiliency during maintenance activities.
• Develop, review, and enforce mechanical SOPs, MOPs, EOPs, and change-control requirements.
• Plan and approve outages, isolations, lockouts, valve alignments, and flow changes while maintaining required cooling capacity.
• Implement condition-based maintenance, including vibration analysis, oil analysis, thermography, ultrasonic testing, and water-quality monitoring.
• Lead root-cause analysis for cooling incidents, leaks, and control failures; track corrective actions through completion.
• Maintain hydronic system health by monitoring flow, delta-T, pressure, and water chemistry.
• Coordinate HVAC vendor work and review service reports, test results, and corrective actions for quality and completeness.
• Support commissioning and recommissioning activities,