Mechanical Site Supervisor

Job Description:

Purpose of the Role

To lead and supervise mechanical works on construction, installation, and refurbishment projects within the water and wastewater industry. The Mechanical Site Supervisor will oversee site teams, coordinate resources, ensure compliance with WIMES (Water Industry Mechanical and Electrical Specifications), client specifications, and health and safety standards, while delivering projects safely, on time, and to quality requirements.

Key Responsibilities

• Supervise and coordinate mechanical site teams, subcontractors, and resources.
• Plan and oversee installation, maintenance, and commissioning of mechanical systems.
• Manage and monitor pipework installation across multiple materials and sizes, including:
• Ductile Iron, Stainless Steel, Carbon Steel, UPVC, and ABS.
• Diameters from 25mm to 1200mm.
• Ensure works are delivered in line with WIMES standards and client specifications.
• Conduct site inspections, toolbox talks, and daily briefings to maintain safety and productivity.
• Oversee compliance with method statements, risk assessments, and safe systems of work.
• Provide first-line supervision for health, safety, and quality on site.
• Support testing, commissioning, and handover of mechanical systems.
• Liaise with project managers, engineers, and client representatives to ensure smooth project delivery.
• Maintain accurate site records, progress reports, and quality documentation.

Essential Qualifications & Experience

• Recognised Mechanical Apprenticeship, NVQ Level 3 in Mechanical Engineering, or equivalent qualification.
• Proven supervisory experience in the water industry or heavy industrial projects.
• Demonstrable competence in pipework installation (ductile iron, stainless steel, carbon steel, UPVC, ABS up to 1200mm).
• Strong knowledge of pumps, valves, rotating equipment, and mechanical systems.
• Full UK driving licence.
• Gold CSCS Card (Supervisor level).
• SSSTS (Site Supervisor Safety Training Scheme).
• Valid First Aid certification.

Desirable Qualifications & Experience

• EUSR Water Hygiene card.
• Confined space training.
• SMSTS (Site Management Safety Training Scheme).
• Experience with welding, fabrication, and advanced pipefitting.
• Knowledge of condition monitoring techniques (e.g., laser alignment).
• Familiarity with client-specific specifications and WIMES compliance.

Employment Details

• Accommodation and subsistence paid for overnight stays when required.
• All PPE, tools, and specialist equipment supplied.
• Standard company pension scheme and holiday entitlement.
• Ongoing training and professional development opportunities.

Working Requirements

Flexibility to travel to various project sites.

Willingness to undertake overnight stays when required.

Ability to lead teams effectively in challenging site environments.

Personal Attributes

Strong leadership, organisational, and communication skills.

Proactive approach with a commitment to safety and quality.

Ability to motivate and manage site teams.

Professional, adaptable, and reliable.

Focused on delivering high-quality work to specification.