Mechanical Fitter
Catalyx · Cork, Ireland · On-site
Posted Sep 23, 2026
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Catalyx is seeking a Mechanical Fitter to join our team and work on our customer site in Cork.
Who We Are:
Catalyx is a machine vision and automation company that integrates technology and people to help global manufacturers and logistics companies achieve next-generation levels of quality and throughput. For over thirty years, the minds behind Catalyx have been at work maximizing operational processes across highly regulated industries by inventing new technology applications and supporting companies with technical experts. With 9 global offices, over 550 team members, and 3,000 projects under our belt (and counting), we have the capabilities and reach to solve unique process problems at scale – and the vision to keep doing what’s never been done before. For more information visit www.catalyx.ai .
The Role:
Catalyx is a trusted partner in delivering world-class lifecycle services to regulated and high-risk end markets. With a relentless commitment to innovation and excellence, we partner with life science and other highly regulated organisations, to empower them to enhance efficiency, and drive success. As part of this commitment, we are continuously developing our on-site teams to support the advancement of customer operations.
Responsibilities:
Carry out all maintenance and fabrication activities in strict accordance with site EHS requirements, including Permit to Work (PTW) and Lock Out Tag Out (LOTO) procedures.
Execute work in line with approved SOPs, risk assessments, and method statements at all times.
Actively participate in site safety initiatives, including toolbox talks, safety training, emergency drills, and the reporting of near misses or unsafe conditions.
Perform daily plant walk-downs, routine inspections, and preventative maintenance activities across utilities and process equipment.
Inspect, test, and maintain safety-critical equipment, including safety showers and eyewash stations.
Monitor and maintain fans, pumps, valves, pipework, and associated utility systems to ensure reliable operation.
Conduct routine checks on production skids, identifying leaks, vibration, abnormal noise, or component wear.
Troubleshoot and repair rotating equipment, including centrifugal and diaphragm pumps, carrying out seal changes, alignment, and bearing replacements as required.
Remove, service, repair, and reinstall a range of valve types, including ball, butterfly, diaphragm, and check valves.
Select and replace gaskets and seals, ensuring appropriate chemical compatibility.
Fabricate and install new process pipework and mechanical components to site and quality standards.
Perform TIG welding on thin-wall stainless steel pipework, including purging and sanitary welding where required.
Cut, fit, and join plastic pipework systems such as PVC, PVDF, and PP using solvent welding or fusion techniques.
Support mechanical installation, modification, and upgrade activities during projects, planned shutdowns,…