Introduction

Brunel is currently searching for a Commissioning Mechanical & Piping Technician for a contract opportunity with our mining client located in Bagdad, AZ on a 4x1 rotation.

What are you going to do 

The Commissioning Mechanical & Piping Technician is responsible for executing field activities related to pre-commissioning, commissioning and testing of mechanical equipment and piping systems. Supporting the Commissioning Team ensuring that all mechanical equipment and piping systems are properly installed, cleaned, tested and ready for commissioning, safe start-up and operation in accordance with project specifications, procedures and safety standards.

DUTIES:

  • Installation Verification
  • Verify installation of mechanical equipment and piping systems including:
    • Rotating equipment (pumps, compressors, blowers)
    • Static equipment (vessels, exchangers, tanks)
    • Piping lines, valves and supports
  • Ensure compliance with:
    • P&IDs
    • Isometric drawings
    • General Arrangement (GA) drawings
  • Check alignment, bolting, gaskets, supports and tagging

  • Pre-Commissioning Activities
  • Assist in pre-commissioning tasks such as:
  • Line flushing and cleaning (Water, air, chemical)
  • Steam blowing
  • System drying and preservation
  • Support reinstatement activities after testing (removal of blinds, temporary strainers, test spools).
  • Verify cleanliness and readiness of systems prior to commissioning.

  • Construction Pressure Testing & Lead Checks
  • Witness the execution of Hydrostatic testing and Pneumatic testing (under supervision)
  • Check for leads, pressure stability and system integrity.
  • Ensure proper installation of test equipment and safety devices.
  • Support preparation and completion of pressure test packs.

  • Mechanical Equipment Commissioning
  • Assist with Pre-commissioning of rotating equipment:
  • Coupling checks and alignment (laser/dial)
  • Lubrication and oil filling
  • Initial start-up checks (dry runs, rotation checks)
  • Monitor motor solo run and pump mechanical run and report abnormalities such as vibration, noise, temperature, or leaks.
  • Support troubleshooting and corrective maintenance.

  • Piping Systems Commissioning
  • Assist in inspection and commissioning of piping systems:
    • Valve operation checks
    • Line integrity verification
    • Flow path verification
  • Ensure systems are properly reinstated and ready for commissioning.

  • Start-up Support
  • Participate in commissioning (with process conditions)
  • Monitor systems during start-up and report any issues.
  • Assist in stabilization of systems during start-up.

  • Documentation & Reporting
  • Complete and maintain:
    • Pre-commissioning checklists
    • Pressure test records
    • Flushing and cleaning reports
  • Report progress, issues, and punch items to the mechanical and piping lead.
  • Assist in updating red-line drawings and as-built documentation.

  • Punch List & System Completion
  • Identify and report mechanical and piping punch list items.
  • Support closure of punch list items in coordination with construction and commissioning teams.
  • Ensure systems meet completion criteria before handover.

  • HSE Compliance
  • Follow all HSE procedures and policies such as permit to work, LOTOTO, etc.
  • Ensure safe handling of:
    • Pressurized systems
    • Rotating equipment
    • Heavy mechanical components
  • The use of appropriate PPE for different tasks.
  • Participate in toolbox talks and hazard identification.

Essential skills and knowledge

REQUIREMENTS:

  • Technical Diploma / Certificate in Mechanical Engineering or equivalent (or equivalent + 3 years of field experience).
  • Minimum 3-8 years of experience in mechanical or piping work.
  • Experience in pre-commissioning and commissioning activities in EPC projects.
  • Experience in oil & gas, power, mining, smelter, or heavy industry is preferred.
  • Good troubleshooting and problem-solving skills.
  • Attention to detail and quality.
  • Ability to work in a team environment.
  • Good communication skills.
  • MUST be eligible to work in the U.S. for any employer without the need for sponsorship.

What we offer 

Offer:

  • This position offers a flat daily rate for days worked only. 5 day work week, 10-hour workdays. All full-time Brunel contractors are eligible for benefits. Your medical, dental and vision will begin on your first day of employment. 401K matching - 50% match, up to 3%.
  • Non-local candidates to Bagdad, Arizona will be on a 4x1 rotation and provided single-status, fully furnished accommodations, airfare to/from home, rental car, fuel reimbursement, plus a $750/month stipend for food. Rotation will be 4 weeks on, 1 week off (not working).

Closing: 26 July 2026

Apply Now

Are you the perfect match for this vacancy? Apply in 5 minutes and let's get in touch!

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Process of your application

Application process & contact

We will now begin examining your application: We will take a close look at your application documents and ask you for additional information if necessary. If your qualifications match our requirements, we will invite you to meet us for the first time.

Project discussion with our customer

If the introductory meeting goes well for you and us, we will arrange a meeting with the customer who has the perfect project for you. This gives you the opportunity to find out more about the customer and the project.

The decision

If you enjoyed the project discussion and the customer is also convinced of your expertise, we will ask you the final and decisive question: Do you want to get started at Brunel?

Introductory conversation with Brunel

In an introductory meeting, we would like to find out more about your interests, ambitions and professional developments. At the same time, we report on working at Brunel and provide information about all career opportunities and prospects.

Welcome to Brunel

Now great times are beginning! With Brunel you have countless opportunities to help shape technological progress. You decide how your career path goes. We support you in every phase of your career. You always have security behind you: Brunel!