Mechanical Supervisor

Mechanical Supervisor
- Affinity Water Framework Location
- Rickmansworth

Galliford Try are looking to appoint an experienced Mechanical Supervisor to lead Mechanical Installations across Affinity Water Framework projects across the region.

This role supervises teams delivering mechanical installation works across framework projects across water treatment sites on the Affinity Water Framework. As Mechanical Supervisor, you'll ensure safe, high-quality installation, support efficient commissioning, and maintain strong coordination with Project Managers, MEICA Leads, subcontractors and commissioning teams.

You'll be responsible for day-to-day supervision of mechanical works, ensuring compliance with client standards, supporting design development, and helping to deliver successful project handover. This role suits someone with strong water-industry mechanical experience who enjoys problem-solving, collaboration and leading teams on site.

• Lead the mechanical installation works on assigned projects, ensuring safe systems of work.
• Ensure mechanical works meet programme requirements and support efficient commissioning.
• Supervise mechanical subcontractors, maintaining high standards of safety, quality and compliance.
• Review and authorise RAMS; conduct regular mechanical site safety inspections.
• Ensure all mechanical testing, inspections and documentation follow the Inspection & Test Plan.

• Provide input to mechanical design requirements and specifications.
• Ensure all mechanical installation meets client specifications, Asset Standards and WIMES where applicable.
• Coordinate with specialist support functions (e.g., DSEAR, Technical Authors, Document Control).
• Ensure O&M information and records are complete and issued appropriately.

• Work closely with the MEICA/Commissioning team throughout commissioning stages.
• Maintain snagging lists and drive completion of outstanding works.
• Support reliability testing and integration with existing operational assets.
• Assist with operational and maintenance activities before takeover.

• Ensure mechanical activities are aligned with the overall project programme.
• Attend commissioning meetings and support updates to the MEICA/Commissioning programme.
• Witness FAT testing as required.
• Collaborate closely with the client’s Asset Operations Team to support smooth integration.

The successful candidate should have:

• Previous experience in the water industry.
• Proven experience supervising mechanical installation through to successful project takeover.
• Strong understanding of water-industry mechanical and electrical equipment.
• Experience leading teams on site and working directly with clients.
• Strong understanding of health, safety and environmental requirements.
• Good knowledge of water-industry processes.
• Competence in Microsoft Office for reporting tasks.
• HNC in Mechanical Engineering.
• CSCS or ECS card.
• EUSR National Water Hygiene Card.
• SSSTS (minimum) or SMSTS (preferred).

The ideal successful candidate would have:

• First Aid at Work.
• DSEAR awareness.
• Comp Ex (FxF or equivalent).

With an impressive order book of over £4.1 billion we are one of the industry’s leading principal contractors, affording you the opportunity to work on some of the UK’s most exciting projects offering you stability as well as the chance to stretch your capabilities and realise long held career goals. You will be joining diverse teams working at a high professional level with exceptional levels of commitment.

With an ambitious strategy, we’re poised for further growth and success, so if you're committed, talented and enthusiastic, Galliford Try is the right place for you.

We are committed to maintaining the physical and mental wellbeing of all our people, through our 'Be Well' programme which offers discounts on certain products, advice and support for a range of issues.

We invest in high-quality training for employees of all levels, from our leadership development framework to our apprenticeship programmes. Through our Career Paths…