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Posted 12 June, 2026

Mechanical Commissioning Technician

LotusWorks
Leixlip, Ireland Full Time
Reference: 1827397328

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 Centre 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.

As a Mechanical Commissioning Technician working with the LotusWorks team, you will be based on a client site within the Semiconductor sector at a state-of-the-art facility in Leixlip, Co. Kildare.

You will be responsible for both decommissioning and commissioning of facilities equipment across utility and process systems, supporting the safe start-up, testing, and handover of mechanical systems in a live, high-tech manufacturing environment. You will be responsible for the mechanical connection and installation of process tools, supporting tool start-up activities during a semiconductor facility ramp-up. The role operates in a fast-paced, schedule-driven environment and requires close coordination with multiple trades and project teams.
Responsibilities:
  • This position is responsible for the commissioning and de-commissioning of a range of Mechanical associated Live Systems, including but not limited to those listed below:
    • Air Handling Units (AHUs)
    • Chillers and Boilers
    • Compressed Air Systems
    • Scrubbed Exhaust and General Exhaust Systems
    • Water Treatment Systems
    • Industrial Waste Systems (IWS)
    • Process equipment and associated mechanical services
    • Tool hook-up and turn-on readiness activities
    • Associated piping, fittings, and mechanical interfaces
  • Work as a Mechanical Technician as part of a wider multi-disciplinary team supporting commissioning and de-commissioning activities.
  • Demonstrate ownership and initiative in a high-paced, schedule-driven environment.
  • Deliver assigned tasks in line with project milestones and safety requirements.
  • Carry out all duties in a manner that poses no risk to personnel safety or facility operations.
  • Work with trades to ensure equipment is installed in a safe, compliant, and approved manner.
  • Follow detailed installation and tool turn-on documentation.
  • Monitor contractor installation workmanship to ensure compliance with specifications.
  • Track mechanical installation activities against the project schedule.
  • Support tool start-up activities, including inspections, pressure testing, and verification prior to handover.
  • Witness tests and inspections carried out on mechanical systems and connections.
  • Generate Before Action Reviews (BARs) and execute documentation to support decommissioning activities on live systems in line with site procedures.
  • Generate and execute commissioning documentation including OATs and FATs (Operational and Functional Acceptance Tests).
  • Work with Operations and Engineering teams to develop testing protocols and system start-up procedures.
  • Commission mechanical equipment including pumps, fans, motors, compressors, boilers, chillers, and air handlers.
  • Troubleshoot and resolve system and equipment issues safely and efficiently.
  • Work to tight timelines while maintaining strict safety and quality standards
  • Carry out QA/QC walk-downs of mechanical systems and equipment.
  • Ensure documentation complies with client quality and commissioning requirements.
  • Generate, execute, and maintain commissioning documentation in a controlled and organised manner.
  • Record test results and system performance data.
  • Support the closure of identified field issues and verify that all corrective actions have been effectively implemented
  • Interact and respond to Project and Commissioning Leads direction.
  • Attend daily meetings and provide accurate status updates on assigned systems and activities.
  • Co-ordinate with commissioning, operations, engineering, and safety teams to support system readiness.
  • Communicate clearly and professionally with peers, supervisors, and client stakeholders.
  • Execute all works in strict accordance with site safety protocols, procedures, permits, and approved documentation.
  • The role involves the commissioning and de-commissioning of multiple Live Systems, executed with unwavering adherence to COHE (Control of Hazardous Energy) procedures to ensure the highest standards of safety and operational control.
  • Maintain exceptional attention to safety standards, particularly when working on live monitoring and FMS systems.
  • Identify, report, and mitigate risks associated with Mechanical commissioning & de-commissioning activities.
  • Any other duties or responsibilities that may be assigned to you in your role.
Skills Required:
  • Ideally a minimum of 2 years' industry experience with a mechanical maintenance and /or start up mechanical process, Installation or commissioning environments.
  • Strong working knowledge of industrial HVAC and refrigeration systems, including fans, pumps, and associated equipment.
  • Excellent troubleshooting and problem-solving skills.
  • Ability to work independently and as part of a team in a dynamic, fast-paced environment.
  • Proficient in Microsoft 365 suite applications, with the ability to produce accurate documentation and support operational tasks.
  • Strong communication, documentation, and interpersonal skills.
  • Flexibility and accountability in approach to work.
Education / Licenses / Certifications:
  • Time-served mechanical trades qualification or a Degree in Mechanical Engineering with relevant experience.
  • Proof of education, licenses, and certifications will be required where applicable
Benefits:
  • VHI Healthcare Cover
  • Life Assurance
  • Pension Contribution
  • Training And Educational Assistance
  • Annual GP Check-Up
  • Extra Annual Leave
  • Healthcare Screening
  • Recognition Rewards

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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.

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