LotusWorks · 2 months ago
Mechanical Commissioning Lead
Sunnyvale, California, United States
Full-time
Onsite
Senior Level
$63/hr - $68/hr
5+ years expLotusWorks is an Engineering Services provider specializing in managing Commissioning, Construction Services, Calibration, Operations & Maintenance scopes of work within global manufacturing facilities. The Mechanical HVAC Commissioning Lead will manage the complete commissioning lifecycle of HVAC and mechanical systems within semiconductor facilities, ensuring compliance with ASHRAE standards and industry specifications.
Civil EngineeringSemiconductor
Responsibilities
Develop mechanical commissioning plans in alignment with ASHRAE standards and client specifications
Act as Task Leader (TL) during design reviews, ensuring mechanical systems meet project requirements
Create verification checklists and functional test procedures for mechanical systems
Review and refine mechanical Sequence of Operations (SOO)
Coordinate with Test and Balance contractors to establish testing protocols
Lead mechanical equipment factory acceptance testing (FAT)
Verify equipment performance meets design specifications and standards
Conduct MEP inspections focusing on mechanical installations and code compliance
Oversee hydro/pressure testing, duct leakage testing, and maintenance access validation
Ensure proper installation of sensors and integration of control systems
Manage Test and Balance activities for air and water systems
Verify controls software operation and system dependencies between HVAC and building systems
Lead Functional Acceptance Testing (FAT) of mechanical and cleanroom air handling units
Ensure cleanroom AHU performance meets certification standards
Lead Integrated Systems Testing (IST) of HVAC and mechanical systems with facility components
Validate MAHs, air recirculation systems, sensible cooling, and specialized exhaust systems (Scrubbed, Solvent, Silane)
Document system performance, energy use, and efficiency
Maintain detailed commissioning documentation and track non-conformance reports
Generate comprehensive commissioning and performance validation reports
Ensure compliance with ASHRAE 90.1 and project-specific energy efficiency requirements
Review and update O&M manuals for mechanical systems
Lead weekly commissioning team meetings and coordination with Test and Balance contractors
Collaborate closely with the Facility Operations Team and key stakeholders
Conduct mechanical systems training sessions for operations staff
Support owner acceptance and system turnover activities
Conduct opposite season performance balancing and 11-month performance verification
Validate mechanical system performance under actual load conditions and support system troubleshooting during early occupancy
Any other duties or responsibilities that may be assigned to you in your role
Qualification
Required
Minimum 5 years of HVAC commissioning experience within the semiconductor or mission critical industry
Expertise in cleanroom environments, process cooling, air distribution, and specialized exhaust systems
Strong understanding of ASHRAE standards, energy efficiency (ASHRAE 90.1), and mechanical controls systems
Experience with integrated systems testing and performance validation
OSHA 30 is required
Proof of education, licenses, and certifications will be required where applicable
Preferred
Bachelor's degree in relevant studies is strongly preferred but not required
Commissioning Certification is preferred
Benefits
Medical And Dental Insurance
Life, Short-Term, Long-Term Disability Insurance
Training And Educational Assistance
401k Retirement Plan
Extra Annual Leave with Years of Experience
Maternity/Paternity Leave
Recognition Rewards
Company
LotusWorks
LotusWorks is an engineering and technical services company.
501-1000 employees
H1B Sponsorship
LotusWorks has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
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Trends of Total Sponsorships
2025 (1)
2024 (3)
2023 (4)
Funding
Current Stage
Late StageRecent News
2025-05-09
2023-12-11
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