Lead Mechanical Supervisor - Water Projects

Galliford Try Group; Rickmansworth; Hybrid; GBP 42,000 - 56,000; Full time

Benefits offered by this job

Holiday entitlement

Cycle to Work

Private medical

Pension plan

Save as You Earn

Employee discounts

Professional association membership

Job summary

Galliford Try is seeking a Mechanical Supervisor to lead installation activities across Affinity Water Framework projects in the Rickmansworth area. You will supervise mechanical teams, ensure safe methods of work, coordinate with Project Managers and subcontractors, and support commissioning and handover processes on water treatment sites.

The role requires water industry experience, on-site leadership, and strong safety awareness, with responsibilities spanning design input, quality control,

Qualifications

• Experience in the water industry or water treatment environments.
• Supervising mechanical installation through to project handover.
• 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).
• First Aid at Work.

Responsibilities

• 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.
• Coordinate with specialist support functions (e.g., DSEAR, Technical Authors, Document Control).
• Work with MEICA/Commissioning teams through commissioning stages.
• Maintain snagging lists and drive completion of outstanding works.
• Witness FAT testing and support integration with assets.

Skills

Water industry experience

Team leadership on site

Health & safety awareness

Client coordination

Problem solving

Education

HNC in Mechanical Engineering

EUSR National Water Hygiene Card

Tools

Microsoft Office

CSCS or ECS card

Job description

Galliford Try is seeking a Mechanical Supervisor to lead installation activities across Affinity Water Framework projects in the Rickmansworth area. You will supervise mechanical teams, ensure safe methods of work, coordinate with Project Managers and subcontractors, and support commissioning and handover processes on water treatment sites.

The role requires water industry experience, on-site leadership, and strong safety awareness, with responsibilities spanning design input, quality control,