The Mechanical Subject Matter Expert Assigned to QA/CX is responsible for ensuring that all electrical and mechanical systems within a data center are installed, tested, and commissioned in accordance with design intent, project specifications, applicable codes, and industry best practices. This role plays a critical part in delivering reliable, safe, and fully operational mission-critical infrastructure by performing inspections, coordinating testing activities, validating system performance, and supporting issue resolution throughout construction and commissioning phases. Responsibilities: Technical Knowledge & Interpretation • Demonstrate strong working knowledge of data center electrical and mechanical systems, including power distribution, UPS, generators, HVAC, cooling systems, controls, and life safety systems. • Accurately interpret drawings, specifications, submittals, sequences of operation (SOOs), and commissioning plans. • Identify discrepancies between design documents and field installations and escalate for resolution. Inspection & Compliance • Perform detailed field inspections to verify installations comply with approved drawings, specifications, manufacturer requirements, and applicable codes (NEC, NFPA, ASHRAE, local AHJ). • Verify proper installation of equipment, supports, labeling, grounding, clearances, and accessibility. • Track deficiencies and punch list items, working with construction teams to ensure timely closure. Testing & Quality Assurance • Witness and oversee pressure testing, leak testing, flushing, cleaning, megger testing, and equipment start-ups. • Support and observe Factory Acceptance Tests (FATs), Site Acceptance Tests (SATs), and Functional Performance Testing (FPT). • Validate operational readiness of systems and ensure testing is executed per approved procedures and commissioning plans. • Confirm system performance aligns with design intent and redundancy requirements for mission-critical operations. Documentation & Reporting • Maintain accurate and organized QA/QCx documentation, including inspection reports, test results, deficiency logs, and turnover records. • Review contractor documentation such as test reports, checklists, and as-built drawings for completeness and accuracy. • Support systems turnover, client acceptance, and commissioning closeout packages. Coordination & Communication • Collaborate with construction teams, commissioning agents, engineers, vendors, and client representatives to resolve quality and commissioning issues. • Participate in coordination meetings, commissioning readiness reviews, and system walkthroughs. • Communicate issues clearly and professionally, ensuring alignment across all stakeholders. Safety & Best Practices • Enforce site safety policies and support compliance with EHS requirements, including LOTO, PPE, and energized work controls. • Promote quality and commissioning best practices throughout all phases of construction and startup. • Support continuous improvement by identifying recurring issues and recommending process enhancements. • Any other duties or responsibilities that may be assigned to you in your role. Skills Required: • Minimum of 2+ years of experience in data center, mission-critical, or large-scale commercial construction QA/QC or commissioning. • Strong understanding of electrical and mechanical systems in critical facilities. • Experience witnessing and documenting testing activities. • Ability to read and interpret technical drawings, specifications, and test procedures. • Excellent documentation, communication, and coordination skills. • Ability to work in a fast-paced construction environment and manage multiple priorities Education / Licenses / Certifications • Associate's or Bachelor's degree in Mechanical Engineering (highly desirable, not required). • High School Diploma required. • Trade certifications are an advantage. • 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 #LI-DNP #INDHP