Mechanical Commissioning Engineer

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 Centre 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 a highly skilled Mechanical Commissioning Engineer to oversee commissioning activities on mission-critical and data center projects. This role is responsible for leading the planning, execution, and delivery of mechanical commissioning, ensuring all systems meet design intent, operational requirements, and client expectations. Responsibilities: Execute mechanical commissioning activities for data center and mission-critical projects. Ensure systems meet design intent, operational requirements, and client expectations. Develop commissioning plans, procedures, pre-functional checklists (PFCs), and functional performance tests (FPTs). Review drawings, specifications, sequences of operation, identify design risks, and validate mechanical QA/QC documentation. Perform field inspections to verify installation compliance, identify deficiencies, and track corrective actions through completion. Commission mechanical systems including chillers, cooling towers, AHUs, CRAH/CRAC units, pumps, heat exchangers, expansion tanks, water treatment systems, HVAC controls, BAS integration, ventilation, pressurization, containment systems, and associated mechanical equipment. Verify equipment startup readiness, witness vendor startups, and validate system performance under normal, maintenance, and failure operating conditions. Participate in integrated systems testing (IST), validate redundancy (N+1, 2N, 2N+1), verify sensor calibration and control sequences, and support BAS/BMS integration, alarms, safeties, interlocks, and system functionality. Coordinate commissioning activities with construction, QA/QC, TAB, controls, vendors, and client teams to support project milestones and system turnover. Maintain commissioning documentation including commissioning logs, deficiency reports, startup records, TAB reviews, progress reports, systems manuals, O&M documentation, and turnover packages. Support client witness testing, operator training, project closeout, and successful system turnover. Ensure compliance with LOTO, safety procedures, job hazard analysis (JHA), pre-task planning (PTP), and commissioning best practices while promoting a safe work environment. Skills Required: 2+ years of mechanical commissioning experience in data center or mission-critical environments. Strong knowledge of HVAC, chilled water, and critical cooling systems. Experience executing commissioning activities through all project phases. Ability to read and interpret construction drawings, specifications, and technical documentation. Familiarity with BAS/BMS systems, TAB processes, and integrated systems testing. Strong communication, organizational, and problem-solving skills. Ability to work collaboratively with cross-functional project teams. Education / Licenses / Certifications: High school diploma or GED required. Proof of education, licenses, and certifications will be required where applicable. 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 #INDHP 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, a…