Sr. Data Center Commissioning Manager

LotusWorks is an Engineering Services provider specializing in managing Commissioning, Construction Services, Calibration, Operations & Maintenance scopes of work within global manufacturing facilities. LotusWorks operates globally across EMEA and North America partnering with the world's leading manufacturers across the Semiconductor, Pharmaceutical & Biologics, Medical Device and Data Center sectors. Our team of Engineering and Technical professionals is immersed in cutting-edge technologies and innovations. LotusWorks is committed to a diverse and inclusive workplace, integral to our people-first approach.

LotusWorks 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.

Responsibilities:

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, BlueRithm, 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; escalate 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.

Skills Required:

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 teams.

Strong knowledge of data center MEP, electrical, controls, and life-safety system.

Working knowledge of Uptime Tier and TIA-942 criteria, NFPA 70/72/110, ASHRAE 90.1/0.5

Fluent in BMS/EPMS platforms, medium-voltage switchgear, gensets, UPS, chilled water/air-cooled plants, and fire suppression

Education / Licenses / Certifications

CxA (ACG), CCP, QCxP, or CBCxP; EIT/PE or trade license a plus.

OSHA 10 or OSHA 30 required

Benefits:

Medical, Dental and Vision Insurance

Life, Short-Term, Long-Term Disability Insurance

Training and Education Assistance

401k Retirement Plan

Extra Annual Leave with Years of Service

Maternity/Paternity Leave

Recognition Rewards

LotusWorks is an equal opportunity employer and prohibits discrimination and harassment of any kind. We are committed to creating a diverse and inclusive workplace where all employees feel valued, respected, and empowered.