Mechanical Commissioning Engineer
- Level
- Mid
Not stated in the posting: salary, work type, visa.
Open. First seen 2 October 2026.
About the role
LotusWorks's standard text
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 Commissioning Engineer is responsible for supporting the commissioning and verification of mechanical systems within semiconductor or mission-critical facilities. This role ensures that all mechanical equipment and systems are installed, tested, and operating in accordance with design specifications, quality standards, and operational requirements. The technician will work closely with construction, engineering, vendors, and operations teams throughout all phases of commissioning, from installation through project closeout.
Responsibilities:
- Perform mechanical installation walkdowns to verify system completeness
- Verify AHU, pump, and piping installation
- Confirm valve tagging, labeling, alignment, and equipment anchoring
- Review hydrostatic and leakage test reports
- Confirm flushing and cleaning activities are complete
- Identify, document, and log installation deficiencies in EXTO
- Track equipment installation progress and readiness status
- Review mechanical QA/QC documentation from trade contractors
- Confirm access, clearance, and readiness for startup and OAT
- Attend and support mechanical OAT activities
- Witness pump startups, rotation checks, and VFD ramp-up
- Verify operation of valves, dampers, and system components
- Confirm bump tests and support system resets after simulated failures
- Assist troubleshooting during testing
- Log OAT deficiencies in EXTO (COR)
- Coordinate vendor training sessions
- Track corrective actions and retesting status
- Confirm systems returned to normal operating conditions
- Verify readiness for Green Tag and final sign-off
- Attend Owner FAT sessions
- Support pump and VFD resets
- Adjust valves and dampers during testing
- Monitor system stability during simulated failures
- Assist troubleshooting efforts
- Confirm systems returned to normal operation
- Log FAT deficiencies in EXTO (DWN, NGI)
- Track corrective actions and retest completion
- Confirm system balancing is complete
- Verify equipment is operating in normal configuration
- Close mechanical deficiencies in EXTO (NGI)
- Upload and finalize commissioning documentation
- Any other duties or responsibilities that may be assigned to you in your role.
Skills Required:
- 2–5 years of experience in mechanical equipment installation verification and commissioning.
- Experience in semiconductor or mission-critical environments (e.g., data centers, advanced manufacturing).
- Strong knowledge of HVAC, pumps, piping, and mechanical systems.
- Experience supporting startup, testing, and commissioning activities.
- Ability to read and interpret mechanical drawings, P&IDs, and specifications.
- Familiarity with QA/QC processes and commissioning tools (e.g., EXTO).
Education / Licenses / Certifications:
- Associate’s or Bachelor’s degree in Mechanical Engineering, Industrial Engineering, or related field.
- 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's standard text
#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.
What this role asks for
78% of this description is written for the role. The rest is LotusWorks's standard text, folded away below.
Read against LotusWorks's other open postings on this site.
The team: Commissioning - Semiconductor HIRES STEADILY
This role is one of 11 open in Commissioning - Semiconductor. 1 was posted in the last 30 days and the oldest in March: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Microsoft 365 (1 of 11), PLC (1 of 11)
OTHER ROLES ON THIS TEAM
- Senior Operations Manager – Semiconductor Accounts (U.S.) posted Sep 22
- Life Safety Systems Commissioning Technician posted Sep 16
- Waste Systems Commissioning Engineer posted Aug 28
- Electrical Commissioning Engineer posted Aug 26
- CSA Commissioning Engineer posted Aug 25
- Senior Facilities Engineer (Commissioning & Startup) posted Jul 31
- CSA Commissioning Engineer posted Jul 6
- Quality & Commissioning Engineer posted May 19
- Mechanical Commissioning Engineer posted May 12
- Electrical Commissioning Technician - Medium Voltage Systems posted Mar 23
From the team and dates on LotusWorks's own job board.
Other openings for this role
2 open postings for this role in Chandler, Arizona, United States, first posted 2 October 2026. The company is likely hiring for more than one position. None has been taken down and posted again.
- 2 October 2026 – open (this posting)
- 2 October 2026 – open
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