Mechanical Commissioning Engineer

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.

• →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.

• 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.

• High school diploma or GED required.
• Proof of education, licenses, and certifications will be required where applicable.