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, and empowered.

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.  We are seeking a Mechanical Commissioning Engineer to join our team in a data center, commissioning and conducting quality inspections on all mechanical systems. Working independently from trade installation crews, this role ensures that all mechanical installations, equipment, and systems comply with project specifications, applicable codes and standards, quality requirements, and Owner expectations. The ideal candidate has a strong background in mechanical construction, QA/QC, or commissioning within mission-critical facilities. This individual will perform detailed inspections, witness testing and commissioning activities, identify and document non-conformances, and maintain comprehensive quality records to support successful system turnover and project completion. Success in this role requires exceptional attention to detail, sound technical judgment, strong documentation skills, and a commitment to maintaining the highest standards of quality and safety throughout every phase of the project. RESPONSIBILITIES: Pre-Construction & Design Review * Review Issued for Construction drawings, specifications, and Owner standards to identify QC risk areas including clarity, tolerances, and acceptance criteria. * Review and comment on shop drawings, submittals, method statements, and Inspection & Test Plans (ITPs) for compliance. * Validate material control and traceability plans (serial numbers, batch numbers, long-lead items). * Produce deliverables: Design QC risk register, annotated submittal comments, and list of critical inspections and witness points. * Support project managers with schedule planning, resource allocation, and progress reporting to ensure successful project execution. Factory Acceptance Testing (FAT) & Factory Inspections * Plan and witness FAT and factory inspections for critical mechanical equipment, including: * Chillers, CRAH/CRAC units, and associated controls * Prefab/modular mechanical skids * Verify test procedures, instrumentation calibration, acceptance criteria, and corrective actions. * Confirm firmware versions, settings, and as-built configurations match approved submittals. * Produce deliverables: FAT reports (with photos), deviations/NCRs, and vendor punchlist closure documentation. Daily Site QC Inspections * Implement and manage daily QC inspections per approved ITPs across all mechanical scopes. * Inspect piping cleanliness and flushing procedures. * Conduct and document hydrostatic tests. * Perform weld inspections to applicable code standards. * Verify insulation thickness and quality. * Check equipment alignment and vibration isolation. * Enforce Foreign Material Exclusion (FME) programs for mechanical spaces. * Validate mock-ups, first-of-kind installations, and hold points before production work proceeds. * Conduct materials receiving inspection (damage, compliance, certificates). * Issue and track NCRs; verify corrective actions and re-inspection. Fire & Life Safety – Mechanical Scope * Inspect suppression agent quantities and detection zoning. * Witness and document pre-action system tests. * Verify penetration firestopping and signage compliance. Commissioning Witnessing & Verification * Witness and document pre-functional checks and functional performance tests for mechanical systems (Level 1–4; Level 5 IST where applicable). * Confirm test preconditions, lockouts/tagouts, sequencing, failover, and restoration align with commissioning scripts. * Validate setpoints, alarms, and interlocks against approved matrices. * Participate in lessons learned after each commissioning milestone. * Maintain commissioning QC punchlist, discrepancy log, re-test verification, and sign-off recommendations. Documentation & Reporting * Maintain a QC document control repository: inspection forms, evidence (photos, videos), material certificates, weld logs, test reports, and calibration certificates. * Provide as-built QC dossier aligned with Owner standards for handover. * Prepare final QC report summarising compliance, NCR trends, corrective actions, and residual risk. * Submit daily QC logs by 9:00 AM the following day. * Issue weekly summary reports (NCR status, upcoming hold points, risks, mitigation). * Produce monthly trend analysis (defects by system/subcontractor, leading indicators). * Utilise QC forms and logs in ACC; photo/geo-tagging via Owner ACC; secure file exchange per Owner policy. * Any other duties or responsibilities that may be assigned to you in your role. SKILLS REQUIRED: * Minimum of 3 years of experience in commissioning within mission critical sectors. * Strong understanding of mechanical systems and commissioning processes. * Ability to read and interpret engineering drawings, specifications, and commissioning documentation. * Strong leadership, communication, and coordination skills in a fast-paced field environment. EDUCATION / LICENSES / CERTIFICATIONS * Bachelor’s degree in Mechanical Engineering, or related technical field, preferred. * 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 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.