Commissioning Mechanical & Piping Lead

Brunel GmbH; Arizona; On-site; USD 90,000 - 130,000; Full time

Job summary

We are seeking a Mechanical & Piping Lead - Commissioning to lead and execute all mechanical and piping commissioning activities. The role covers rotating and static equipment, piping systems, and associated auxiliaries, ensuring installation, flushing, testing, and verification in line with project specifications, codes, and safety standards.

You will review P&IDs, isometrics, datasheets, and vendor manuals; supervise pre-commissioning and commissioning activities; manage site coordination with

Qualifications

• Experience leading mechanical and piping commissioning activities.
• Ability to review engineering deliverables and ITPs.
• Strong focus on safety and regulatory compliance.

Responsibilities

• Lead mechanical and piping commissioning activities for rotating and static equipment.
• Ensure installation, flushing, testing, and verification of systems per specs and safety requirements.
• Develop and implement commissioning procedures, ITPs, method statements, and checklists.
• Coordinate with I&C, Electrical, Process teams and vendors during handover to operations.
• Oversee pre-commissioning and commissioning walkthroughs and documentation.

Skills

Leadership

Team management

Coordination

HSE compliance

Project planning

Documentation

Job description

The Mechanical & Piping Lead - Commissioning is responsible for leading and executing all mechanical and piping commissioning activities to ensure systems are safely and efficiently brought into operation. This includes rotating and static equipment, piping systems, pressure systems, and associated auxiliaries.

The role ensures that all mechanical and piping systems are installed, flushed, cleaned, tested, and functionally verified in compliance with project specifications, codes, and safety requirements, supporting a smooth transition through project phases to start-up and operations.

Commissioning Planning & Preparation

• Support/implement mechanical and piping commissioning procedures, Inspection test plans (ITP), method statements, and checklists.
• Support/implement system/subsystem boundaries in line with commissioning sequence and priorities.
• Review engineering deliverables (P&IDs, isometrics, datasheets, vendor manuals).
• Support commissioning manager in resources plans, tools, consumables, and equipment requirements.

Mechanical Equipment Pre-commissioning

• Supervise pre-commissioning and commissioning of:
  • Rotating equipment (pumps, compressors, blowers, turbines)
  • Static equipment (vessels, exchangers, tanks, boilers)
• Ensure completion of:
  • Alignment checks
  • Lubrication and oil flushing
  • Mechanical run tests and performance checks
• Verify vendor requirements and ensure OEM supervision where required.

Piping Systems Pre-commissioning

• Leading activities related to:
  • Flushing, blowing (air/steam), and cleaning of lines
  • Hydrostatic and pneumatic pressure testing
  • Leak testing and reinstatement
• Ensure proper installation and removal of temporary items (blinds, strainers, spool pieces).
• Verify piping systems compliance with specifications, codes (ASME, API), and project requirements.

Pre-Commissioning & System Completion

• Oversee mechanical completion activities and system walkdowns.
• Ensure readiness for commissioning:
  • Punch list clearance (Category A/B/C)
  • System preservation and reinstatement
• Coordinate system handover from construction to pre-commissioning (MC) to commissioning and to operations.

Commissioning & Start-Up with Operational Support

• Participate in:
  • Initial equipment runs and system pressurization
  • Plant start-up and stabilization
• Troubleshoot mechanical and piping issues during commissioning and start-up.
• Support performance testing and reliability runs.

Pre-commissioning & Documentation

• Ensure completion and accuracy of:
  • Mechanical Completion Certificates (MCC)
  • Inspection and Test Records (ITRs)
  • Pressure test packs and reports
  • Flushing/blowing records
• Review and update red-line drawings and as-built documentation.
• Ensure compliance with applicable standards (ASME, API, ISO, etc.) and project QA/QC requirements.

HSE Compliance

• Enforce strict adherence to HSE policies and procedures such as permit to work, LOTOTO, etc.
• Ensure safe execution of high-risk activities such as:
  • Pressure testing
  • Equipment energization
  • Rotating equipment start-up
• Conduct toolbox talks and risk assessments.
• Promote a strong safety culture within the commissioning team.

Interface & Coordination

• Coordinate with:
  • I&C, Electrical, and Process commissioning teams
  • Construction and QA/QC teams
  • Vendors and OEM representatives
  • Client and operations personnel
• Participate in daily/weekly coordination meetings and progress reporting.
• Support handover activities from construction to pre-commissioning to commissioning and to operations.

Leadership & Team Management

• Lead and supervise mechanical and piping commissioning technicians.
• Assign tasks and monitor progress against schedule.
• Promote a collaborative and high-performance work environment.