The Pipefitter Installer is responsible for the installation, modification, and maintenance of mechanical pipework systems across leisure facilities, healthcare environments, and data centres. The role involves working within energy centres and plantrooms, carrying out plate heat exchanger replacements, and installing or upgrading systems involving traditional gas boilers and modern low‑carbon technologies such as heat pumps.
Delivering the exceptional, every day
- Our purpose: our expertise, care, technology and insight create amazing work environments, helping our customers be exceptional every day.
- Our promise to our people: a place to work where you can thrive and be your best every day.
- Our promise to our customers: a trusted partner creating exceptional environments for your customers and people, adding value every day.
- Our culture – our core values and how we behave:
- We are one Mitie: we work as one to deliver a seamless, unrivalled service. We are all in it together, if we can help a customer or colleague in any way, we will. We are one Mitie.
- We are built on integrity and trust: integrity and trust are at the heart of all we do. We are the face of company. We treat others as we would like to be treated. We are proud to work for Mitie.
- We go the extra mile: whether it's keeping things running smoothly in a safe environment, looking for new ways to do things better or fixing problems, going the extra mile for our colleagues and customers and keeping our promises is in our DNA.
- Our diversity makes us stronger: we are very proud of our rich and diverse culture and backgrounds. Our diversity creates ideas and insights. Everyone at Mitie has a voice and is treated as an equal.
- Our customers' business, is our business: we are a partner, trusted for our expertise and for putting our customers at the heart of everything we do.
Main Duties
- Install, assemble, and test pipework systems including LTHW, CHW, DHW, and boosted cold-water services within commercial and industrial environments.
- Work within energy centres and plantrooms, ensuring safe and efficient installation of mechanical plant and associated pipework.
- Carry out plate heat exchanger swap‑outs, including isolation, removal, installation, and recommissioning
- Install and modify systems involving traditional gas boilers, ensuring compliance with relevant regulations and site safety standards.
- Install and support heat pump systems, including integration with existing plant and hydraulic circuits.
- Interpret technical drawings, schematics, and specifications to deliver accurate installations.
- Perform pipefitting tasks such as cutting, threading, grooving, welding, soldering, brazing, and mechanical jointing.
- Conduct pressure testing and system commissioning to verify integrity and performance.
- Collaborate with project managers, engineers, and other trades to ensure smooth project delivery.
- Maintain high standards of health and safety, particularly in sensitive environments such as hospitals and data centres.
- Troubleshoot and resolve mechanical issues during installation or refurbishment works.
- Proven experience as a pipefitter, mechanical installer, or commercial plumber in large‑scale or complex environments.
- Strong understanding of commercial heating and cooling systems, including boilers, heat pumps, and heat exchangers.
- Competence in steel, copper, and plastic pipework systems.
- Ability to work from technical drawings and method statements.
- Experience working in live environments (e.g., healthcare or data centres) with strict safety and operational protocols.
- Knowledge of building services, energy centres, and plantroom layouts.
- Strong problem‑solving skills and attention to detail
Qualifications
- NVQ Level 2 or 3 in Mechanical Engineering Services / Plumbing & Heating (or equivalent).
- CSCS or JIB/PMES card.
- IPAF/PASMA (desirable).
- Gas qualifications (advantageous but not essential depending on role).
- Experience with F‑Gas or heat pump systems (desirable).
Health and Safety responsibilities
- Follow Group and company policies and procedures at all times;
- Report any apparent deficiencies in systems of work or equipment provided that may result in failure of service delivery or risk to health and safety or the environment;
- Use all work equipment and personal PPE properly and in accordance with training received;
- Report any issues or training needs to your Line manager and /or via your divisional incident reporting system;
Information Security
- Ensure compliance with Mitie's information security procedures in all activities;
- Proactively identify and report security risks to your manager;
- Report actual and suspected security incidents;
