Mechanical Subject Matter Expert
Posted 9 Apr 2026
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 2+ yrs
- Management level
- Individual contributor
No salary listed for this role.
Field of studyMechanical Engineering
Study levelCertificate or higher
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.
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.