Orbital Welder, Dublin, Ireland

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Mercury is the European leader in construction solutions.


We build and manage complex engineering & construction projects for the world’s leading corporations. Our solutions help deliver technologies and life changing advancements that connect people, communities, and businesses, giving them the power to achieve incredible things. Our people have the courage to be innovative. Their determination and sharp focus enable us to deliver with certainty, time and time again.

 We deliver our clients’ visions through leading edge construction solutions across multiple sectors, including Enterprise Data Centres, Advanced Technology & Life Sciences, Hyperscale Data Centres, Fire Protection, and Technical Support Services (TSS).

 At Mercury, it is our duty to encourage and back our people to realise their vision of themselves. We place them at the heart of what we do, providing challenging opportunities to develop within a great team in a supportive environment that allows them to reach their full potential.

We are seeking a skilled and experienced Orbital Welders to join our team for a Pharmaceutical Project in the Dublin area. The ideal candidate will be responsible for operating and maintaining orbital welding equipment to produce high-quality welds in a variety of sizes. The Orbital Welder must possess a strong understanding of welding principles and techniques, as well as the ability to read and interpret drawings and specifications.


Selection Criteria / Person Specification:

  • Ability to work with and understand the protocols of installing electro polished tube and fittings, setting up purging of systems using inert gases.
  • Must be able to operate and understand Arc machines and Orbitalum welding equipment.
  • Ensure all welding operations meet quality standards and specifications.
  • A knowledge of High Purity tools, equipment and techniques used in fabricating and installing high purity piping systems in Pharmaceutical Projects.



  • Four years’ experience in in orbital welding.
  • Two years’ experience in in orbital welding on Pharmaceutical Projects.
  • Ability of reading and understanding isometric drawings.
  • Adherence to QA/QC requirements and documentation.
  • Must have experience in welding 2” and above.
  • Documented trade experience is a requirement and hold a welding ASME 9 IX, AMI or Orbitalum certification of competence.
  • Safe Pass.
  • Manual Handling.



  • Have clean room fab shop experience in the fabrication of piping spools and dimensional checking of high purity pipe work in clean room conditions for orbital welding.
  • Excellent communication and teamwork skills.
  • Excellent attention to detail and quality standards.
  • Ability to work well under pressure and within a strict deadline environment.
  • Strong problem-solving skills and ability to work independently.


Mercury is an equal opportunities employer.




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