Mechanical Supervisor

Founded in 1907 as a small family-run business, John G Mackintosh has grown steadily over the years, guided by values that remain central to our success today:
Integrity, Diligence, Professionalism, and Collaboration. These principles define our culture and shape the way we work with colleagues, clients, and partners.

Our vision is to be Scotland’s preferred choice for building services solutions, and every member of the JGM team contributes to achieving that goal.

JGM delivers high-quality building services solutions across multiple sectors, supporting clients through safe, reliable, and high-performing engineering delivery.

We are proud to be an equal opportunities employer, committed to providing a workplace free from discrimination, where everyone is treated with respect and fairness.

JGM is committed to equality, diversity, and inclusion and welcomes applications from all suitably qualified candidates.

The role involves supervising site operatives and subcontractors, monitoring progress, ensuring compliance with health and safety requirements, and maintaining high standards of workmanship and quality.

Working closely with the Mechanical Project Manager and wider project team, the Mechanical Supervisor will ensure that works are carried out safely, efficiently and in accordance with project programmes, technical specifications, drawings and company standards.

The role requires a proactive, hands-on approach to site supervision, effective communication, and the ability to identify and resolve issues to support the successful delivery of mechanical projects.

Safety is a core value at JGM and must always be a primary consideration in all work activities.

All employees have a responsibility under the Health & Safety at Work Act 1974 to:

• Take reasonable care of themselves and others who may be affected by their actions or omissions.
• Ensure the health, safety, and welfare of colleagues and visitors.
• Protect, as far as reasonably practicable, others from risks arising from work activities.

While specific safety-related tasks may be delegated, overall responsibility remains with the individual. All duties must be carried out in accordance with company Health, Safety, and Environmental policies and procedures.

• Supervise and coordinate daily mechanical installation activities on site.
• Ensure mechanical works are carried out in accordance with approved drawings, specifications, project programmes and company procedures.
• Allocate and monitor daily tasks for mechanical operatives and subcontractors.
• Monitor site progress against agreed programmes and report delays or potential issues to the Project Manager.
• Coordinate labour, materials, plant and equipment requirements to support efficient project delivery.
• Attend site meetings and provide updates on progress, resources and outstanding works.
• Identify and resolve day-to-day site issues, escalating matters to the Project Manager where necessary.
• Ensure work areas are organised, maintained, and ready for planned activities.

• Oversee the installation of mechanical building services systems, including heating, ventilation, air conditioning, pipework and associated plant and equipment.
• Ensure installations are completed to the required technical specifications, quality standards and good industry practice.
• Review and interpret mechanical drawings, specifications and installation details.
• Identify technical issues, drawing discrepancies and potential clashes, raising these with the Project Manager or relevant technical team.
• Carry out regular inspections of completed and ongoing works to ensure quality and compliance.
• Coordinate snagging…