职位描述

Mechanical Commissioning Engineer

Location: Chandler, Arizona

Contract Duration: Initial 12-month contract with strong possibility of extension

Start Date: ASAP

Schedule: Typically 5/40-5/50; may increase to 5/60 depending on project requirements

Typical Systems

  • HVAC and air-handling systems
  • Chilled-water and cooling-water systems
  • Pumps
  • Heat exchangers
  • Pressure vessels
  • Compressors
  • Mechanical utility systems
  • Process piping systems
  • Packaged mechanical equipment
  • Associated controls and interfaces

Primary Responsibilities

  • Plan, coordinate, and monitor subcontractor testing and commissioning activities.
  • Perform mechanical system walkdowns and readiness inspections.
  • Verify installation completeness against drawings, specifications, checklists, and commissioning requirements.
  • Confirm that mechanical systems and equipment are ready for checkout, startup, and functional testing.
  • Witness and monitor equipment startup, performance testing, and functional verification.
  • Ensure detailed equipment checkouts and functionality checks are completed and properly documented.
  • Identify, document, track, and help resolve deficiencies, incomplete work, and punch-list items.
  • Coordinate commissioning activities with subcontractors, vendors, construction teams, engineering, quality, operations, and project management.
  • Support equipment vendor representatives during startup, troubleshooting, and performance validation.
  • Review commissioning documentation, test records, turnover packages, and system completion records for accuracy and completeness.
  • Support system turnover, client acceptance testing, and final handover.
  • Verify that commissioning work complies with approved startup procedures, project requirements, and applicable safety standards.
  • Ensure adherence to lockout/tagout procedures and other energy-isolation requirements.
  • Monitor equipment performance and assist with troubleshooting mechanical system issues.
  • Communicate system status, outstanding deficiencies, testing progress, and schedule risks to project stakeholders.

Qualifications

  • Mechanical engineering, commissioning, startup, construction, or field engineering experience involving complex mechanical systems.
  • Hands-on experience with mechanical system walkdowns, installation verification, startup, functional testing, and turnover.
  • Working knowledge of HVAC, pumps, compressors, cooling systems, mechanical utilities, process piping, and packaged equipment.
  • Ability to interpret mechanical drawings, P&IDs, equipment specifications, test procedures, and vendor documentation.
  • Experience coordinating subcontractors, equipment vendors, construction teams, and multidisciplinary project stakeholders.
  • Knowledge of commissioning documentation, deficiency tracking, punch-list management, and turnover packages.
  • Strong understanding of construction and commissioning safety practices, including LOTO and energy isolation.
  • Ability to work an onsite schedule that may increase to 50-60 hours per week based on project requirements.
  • Strong written communication, documentation, coordination, and problem-solving skills.

Highly Preferred Experience

  • Semiconductor fabrication facilities
  • Data centers or mission-critical facilities
  • Cleanrooms
  • Advanced manufacturing facilities
  • Large-scale industrial or high-tech construction projects
  • Mechanical commissioning for HVAC and cooling infrastructure
  • System completion, startup, and turnover
  • EPC project experience

Employment Details

  • Twelve-month contract with a strong possibility of extension.
  • Nonexempt position with overtime paid at 1.5 times the regular rate for hours worked over 40.
  • Nine paid holidays.
  • Local candidates are preferred.
  • Per diem may be available for qualifying nonlocal candidates, subject to approval.