LotusWorks · 1 month ago
Mechanical HVAC Commissioning Engineer
Sunnyvale, CA
Full-time
Hybrid
Mid Level
$40/hr - $55/hr
4+ years expLotusWorks is an Engineering Services provider specializing in managing commissioning and construction services within global manufacturing facilities. The Mechanical HVAC Commissioning Engineer will lead the commissioning process of HVAC mechanical systems for complex facility projects, ensuring compliance with design intent and ASHRAE guidelines.
Civil EngineeringSemiconductor
Responsibilities
Develop and implement mechanical commissioning plans in accordance with ASHRAE guidelines
Review design documents, specifications, and issued-for-construction (IFC) drawings in the role of Task Leader (TL)
Create system verification checklists and detailed functional test procedures
Review and enhance the mechanical Sequence of Operations (SOO)
Collaborate with Test and Balance (TAB) contractors to establish comprehensive testing protocols
Lead factory acceptance tests for mechanical equipment to verify performance before delivery
Document results and confirm compliance with project specifications
Conduct detailed visual inspections of HVAC installations, structural supports, and clearances
Verify mechanical code compliance and oversee pressure/hydro and duct leakage testing
Inspect equipment access for maintenance and validate sensor/control system installations
Coordinate and oversee TAB activities for both air and water systems
Test and verify mechanical system controls, including cross-system dependencies
Perform Functional Acceptance Testing against established SOOs
Validate cleanroom AHU performance and required certifications
Lead testing to ensure integrated operation of mechanical and building systems
Evaluate system-level performance metrics, energy consumption, and efficiency
Test and validate specialized systems, including MAHs, exhausts (scrubbed, solvent, silane), and cooling coils
Maintain complete and accurate commissioning records for all mechanical systems
Track and resolve HVAC non-conformance issues throughout the project lifecycle
Produce comprehensive commissioning reports, ensuring compliance with ASHRAE 90.1 energy standards
Review and provide feedback on O&M manuals
Participate in and contribute to weekly commissioning team meetings
Coordinate efforts with TAB contractors and the Facility Operations team
Lead training sessions for stakeholders on mechanical system operations
Support final owner acceptance and handover activities
Conduct opposite season performance evaluations and balancing
Perform 11-month system performance verifications
Confirm continued mechanical system performance under real load conditions
Any other duties or responsibilities that may be assigned to you
Qualification
Required
Minimum 4 years commissioning HVAC, boilers, chillers, air handlers, roof top units in a semiconductor environment
Strong knowledge of ASHRAE commissioning guidelines and energy standards
Experience with cleanroom and critical environment systems is highly desirable
Proficient in interpreting technical drawings, specifications, and control sequences
Excellent communication, documentation, and organizational skills
Preferred
Bachelor's degree in mechanical engineering or related field is preferred, not required
ATT-M Certification strongly preferred
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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