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Open nowPosted 2 days ago

Mechanical Commissioning Technician

LotusWorks75 open roles

Where
Grafton, Wisconsin
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Your applicationOpen nowMechanical Commissioning TechnicianLotusWorks · Grafton, Wisconsin

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The clock on this job

Early applications get read.

12.4% of postings close within 7 days. Measured by our own scanner across the market. LotusWorks postings stay open a median of 14 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.4%7 days
  4. 20.0%14 days
  5. 35.5%30 days
  6. 58.6%60 days
This job: posted 2 days ago

LotusWorks median: 14 days open

The posting

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 Mechanical Commissioning Technician to support the testing, verification, and commissioning of mechanical cooling systems and associated controls within a large-scale, mission-critical data center environment. This role will support commissioning activities from equipment installation verification and startup through functional performance testing, Integrated Systems Testing (IST), and final turnover. The position will focus on mechanical systems, including chillers, CRAH/CRAC units, cooling towers, pumps, heat exchangers, chilled water and condenser water systems, and associated Building Management Systems (BMS). The successful candidate will work alongside Commissioning Engineers, Leads, and Managers to execute testing procedures, document results, troubleshoot deficiencies, verify system redundancy, and ensure equipment operates in accordance with project specifications, safety requirements, and client expectations.

Responsibilities

  • Support commissioning activities for mechanical cooling systems and associated controls within mission-critical data center facilities across Levels 2–5 (L2–L5).
  • Perform equipment installation inspections, construction verification, and pre-functional checks.
  • Assist with equipment startup, OEM testing, functional performance testing (FPT), and Integrated Systems Testing (IST).
  • Support commissioning of mechanical systems, including chillers, CRAH/CRAC units, cooling towers, pumps, heat exchangers, and chilled water and condenser water systems.
  • Verify equipment readiness, operating parameters, temperature, pressure, flow rates, and system performance.
  • Assist with functional testing of cooling systems, including lead/lag sequences, control responses, and failure recovery.
  • Verify BMS points, alarms, setpoints, interlocks, control sequences, and equipment communication interfaces.
  • Witness OEM testing and testing, adjusting, and balancing (TAB) activities.
  • Support mechanical system redundancy, failover, and recovery testing to verify system performance under normal and abnormal operating conditions.
  • Document test results, complete commissioning checklists, and track deficiencies using platforms such as CxAlloy or Facility Grid.
  • Assist with troubleshooting, deficiency resolution, retesting, and final commissioning documentation and turnover.
  • Follow site safety procedures, including lockout/tagout (LOTO), job hazard analyses, and equipment isolation requirements.
  • Coordinate daily testing activities with Commissioning Engineers, Leads, Managers, contractors, vendors, TAB technicians, and client representatives.
  • Perform any other duties or responsibilities that may be assigned as part of the role.

Skills Required

  • Working knowledge of mechanical cooling systems used in data center environments, including chillers, CRAH/CRAC units, cooling towers, pumps, heat exchangers, and chilled water systems.
  • Understanding of commissioning processes, including L2 installation verification, L3 startup, L4 functional performance testing, and L5 integrated systems testing.
  • Ability to read and interpret mechanical drawings, equipment specifications, sequences of operation, and testing procedures.
  • Familiarity with BMS, control sequences, alarms, setpoints, interlocks, and equipment operating parameters.
  • Understanding of mechanical system redundancy, lead/lag operation, and failover sequences.
  • Ability to verify equipment performance and identify deficiencies during inspections and testing.
  • Troubleshooting and problem-solving skills to support deficiency resolution and root-cause investigation.
  • Ability to accurately document test results, commissioning progress, and deficiency reports.
  • Strong communication and teamwork skills when coordinating with engineers, contractors, vendors, and clients.
  • Commitment to site safety procedures, including LOTO and equipment isolation protocols.
  • Ability to work in a fast-paced, mission-critical data center construction and commissioning environment.
  • Familiarity with commissioning documentation platforms such as CxAlloy or Facility Grid is preferred.

Education / Licenses / Certifications

  • Mechanical engineering degree, HVAC-related education, or relevant technical training preferred.
  • Relevant experience with mechanical systems commissioning, HVAC, or data center cooling infrastructure preferred.
  • OSHA 10 certification required.

Benefits

  • Medical, Dental, and Vision Insurance
  • Life, Short-Term, and Long-Term Disability Insurance
  • Training and Education Assistance
  • 401(k) Retirement Plan
  • Additional Annual Leave Based on 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.

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