Sr. Data Center Commissioning Manager

Lotus Works is seeking an experienced and safety-focused Senior Data Center Commissioning Manager to lead the end-to-end commissioning program for a major data center project in Grafton, Wisconsin. This role will be responsible for planning, executing, documenting, and turning over the commissioning program while ensuring MEP, controls, electrical, and life-safety systems perform in accordance with the Basis of Design (BOD), Owner’s Project Requirements (OPR), and project requirements.

The Senior Data Center Commissioning Manager will own the end-to-end commissioning program for the facility — planning, execution, documentation, and turnover — and is the single point of accountability that the MEP, controls, and life-safety systems perform to the Basis of Design and OPR before the operations team accepts them.

Planning and pre-construction

• Develop and maintain the Cx Plan, Cx specification (Div 01 91 13 / 25 08 00 etc.), and Level 1–5 definitions
• Review OPR/BOD, design drawings, sequences of operations, and submittals for commissionability and testability
• Build the integrated Cx schedule and tie it to the CM's master schedule; define Cx milestones and gating criteria
• Define the Cx budget, staffing model, and test equipment/instrumentation needs
• Establish the issues log, document control, and Cx software workflow (CxAlloy, Blue Rithm, Facility Grid, etc.)

Execution

• Direct Cx engineers and field technicians; assign systems and coordinate with contractors' startup teams
• Author or approve pre-functional checklists, functional performance tests, and IST scripts, including failure scenarios (utility loss, generator/UPS transfers, chiller failover, controls loss)
• Witness L2–L3 (factory/site startup, QA/QC), run L4 functional testing, and lead L5 integrated systems testing under load
• Manage load bank strategy, method of procedure (MOP) reviews, and energized-work safety controls
• Chair Cx meetings; drive issue resolution and re-test; escalated schedule or quality risks to the owner and CM
• Coordinate with the BMS/EPMS integrator on point-to-point, trending, alarms, and graphics verification

Quality and documentation

• Own the Cx issues log through closure; verify corrective work rather than accepting contractor sign-off
• Manage test data, trend logs, and evidence packages per system
• Produce the Final Cx Report, systems manual inputs, and lessons-learned
• Verify O&M manuals, as-builts, training, and warranty documentation are complete before turnover

Turnover and operations handoff

• Lead operator training coordination and confirm operations staff witness key tests
• Define and execute the turnover criteria and any seasonal/deferred testing plan
• Support first-year warranty issues and any post-occupancy performance verification

Interfaces

Owner's rep/PM, CM/GC, MEP subcontractors, controls integrator, design engineers, AHJ/fire marshal, utility, and the incoming facilities O&M team.

• 8–12+ years of experience in MEP construction, startup, commissioning, or a related field, with 3+ years of hyperscale or colocation data center experience.
• Proven experience leading end-to-end commissioning programs from pre-construction through final turnover.
• Strong experience with Level 1–5 commissioning, including L2–L3 startup/QA/QC, L4 functional testing, and L5 Integrated Systems Testing (IST).
• Experience developing and maintaining Commissioning Plans, Cx specifications, integrated commissioning schedules, milestones, and gating criteria.
• Strong understanding of OPR/BOD, design drawings, sequences of operation, specifications, and submittals, with the ability to evaluate systems for commissionability and testability.
• Experience leading and coordinating Cx engineers, field technicians, contractors, and startup…