LotusWorks
SemiconductorsDirect Greenhouse career site

Mechanical Commissioning Engineer

Location
Chandler, AZ · On-site
Job type
Full-time
Level
Mid-level
Experience
2+ years
Listed
30 days ago

Skills & highlights for this role

  • HVAC systems
  • mechanical commissioning
  • P&ID interpretation
  • QA/QC processes

Also useful

  • EXTO

Stated benefits & perks

  • Health
  • Dental
  • Vision
  • 401k
  • Life insurance

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

#INDHP

About LotusWorks

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.

Read the original posting

From LotusWorks's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

Rolev.ai is a job search and application tool for US job seekers. For this Mechanical Commissioning Engineer role at LotusWorks, it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.

  • See how you fit

    Openings from employer career sites are ranked against your whole resume—and searchable inside Claude, ChatGPT, and Cursor via Rolev.ai MCP.

  • Tailor without inventing

    Every change to your resume is checked against your original. New experience goes in only with your yes—zero fabricated claims.

  • Draft the full kit

    Tailored and Full Match resumes, role-specific cover letters, and answers to employer screening questions are prepared in seconds.

  • 1-Click Extension Autofill

    The Chrome extension fills the employer's Greenhouse, Workday, Lever, or Ashby form in 1 click. You review it and press Submit.

Common questions

Where is the Mechanical Commissioning Engineer job at LotusWorks located?

This Mechanical Commissioning Engineer position at LotusWorks is located in Chandler, AZ (On-site). Always check LotusWorks's application page for specific state eligibility or relocation policies.

What qualifications are required for Mechanical Commissioning Engineer at LotusWorks?

For the Mechanical Commissioning Engineer role, LotusWorks highlights 2+ years of relevant experience; experience with HVAC systems, mechanical commissioning, P&ID interpretation, QA/QC processes. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Mechanical Commissioning Engineer position at LotusWorks?

This listing links directly to LotusWorks's Greenhouse application page. You can apply directly on LotusWorks's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.