Mechanical Site Supervisor

Experienced Mechanical Site Supervisor:

Do you possess proven experience supervising mechanical engineering works on commercial sites? Are you highly organised, deadline-driven, and adept at managing teams to deliver projects safely, efficiently, and to the highest standards of quality? Are you able to carry out dynamic risk assessments, communicate effectively with all stakeholders, and consistently lead by example?

Vital Synergy is seeking an organised and proactive Mechanical Site Supervisor to join our expanding engineering team. This role is crucial in overseeing the safe and compliant delivery of mechanical works across critical commercial environments such as schools and hotels. You will be responsible for managing quality on site, motivating teams, ensuring deadlines are met, and maintaining robust safety standards at all times.

About Vital Synergy:

With over 20 years of engineering excellence, Vital Synergy is a trusted partner in delivering end-to-end building solutions. We support the transition to clean energy and low-carbon systems through innovative building services engineering, renewable energy integration, energy efficiency solutions, and collaborative partnerships that drive sustainability across communities and industries.

We specialise in the design, installation, and management of decentralised energy and multi-utility networks, focusing on low and zero carbon technologies. Our expertise spans bespoke commercial heating, industrial plumbing, and mechanical engineering. Our remote-access BMS platforms enable clients to monitor, measure, and optimise energy use for greater efficiency and sustainability.

Our portfolio includes projects across Commercial, Industrial, Education, Housing, Local Authority, and Agricultural sectors. From Air Source Heat Pumps to high-efficiency commercial plant rooms.

Role Overview:

This is a full time, permanent field position. As Mechanical Site Supervisor, you’ll oversee and coordinate the installation, maintenance, and servicing of heating, hot water, and mechanical systems across both commercial and domestic properties. You will be responsible for managing site teams, ensuring work is completed to programme and quality standards, leading on-site safety, and carrying out dynamic risk assessments. The role requires swift response to system faults, robust documentation, and consistent delivery of excellent customer service.

You’ll represent Vital Synergy, ensuring projects run smoothly, safely, and efficiently, while upholding the highest standards of quality and compliance.

Key Responsibilities.

• Supervise and coordinate site teams installing, servicing, and maintaining mechanical systems in live environments.
• Organise workloads, set priorities, and ensure deadlines are met without compromising safety or quality.
• Lead by example, promoting a safety-driven culture and conducting dynamic risk assessments on site.
• Monitor and manage quality of work, ensuring all installations and repairs meet relevant standards and client expectations.
• Diagnose faults and oversee corrective works across mechanical systems, plant rooms, and pipework.
• Carry out and document dynamic risk assessments, ensuring safe systems of work for all activities.
• Commission and oversee strip-down, alterations, and reassembly of mechanical systems, ensuring compliance and quality.
• Work with a variety of systems and technologies, including:
• Domestic and commercial heating & hot water systems
• High-end bathroom upgrades and renovations
• Plant room pipework and associated systems
• Underfloor Heating systems (UFH)
• Low-carbon and renewable technologies (ASHP & GSHP where applicable)

· Provide technical guidance and support to site teams and clients regarding system operation, maintenance, and best practice.

· Facilitate effective communication between engineers, supervisors, project managers, and clients to ensure smooth project delivery.

· Complete and maintain all required Health & Safety documentation, including Risk Assessments, Safe Systems of Work, and COSHH, ensuring compliance with legal and company standards.

Experience & Qualifications

• Recognised Apprenticeship & qualification (NVQ L2/L3) inc. G3 Regs
• Site supervisor experience in domestic & commercial settings essential.
• CSCS card (preferred)
• Proven ability to manage teams and projects, ensuring safe and timely completion.
• Strong mechanical aptitude and understanding of heating & hot water systems.
• Competence in assembling components and using power tools safely and effectively.
• Mechanical and plumbing experience.
• Proficient with basic calculations and measurements.
• Familiarity with relevant hand tools and safe working practices.
• Valid UK driving licence
• Must pass an Enhanced DBS check prior to employment.
• Experience managing projects in school environments or similar commercial settings.
• Knowledge of renewable heating technologies (ASHP/GSHP – Preferred)
• Ability to manage reactive workloads independently or as part of a team.
• Excellent organisational, problem‑solving, communication, and leadership skills.

What We Offer

• Competitive salary (dependent on experience)
• Door to door payments
• Company vehicle and fuel card
• Company pension scheme
• On-site parking
• Uniform & PPE
• Employee discounts
• 28 days annual leave plus an additional holiday day each year (after 2 years’ service, up to 5 extra days)
• Ongoing training and development
• Clear career progression opportunities
• A chance to contribute to Net Zero and low-carbon initiatives

Ready to Take the Next Step?

If you’re passionate about engineering excellence, renewables, customer satisfaction, and making an impact we want to hear from you.

Pay: £35,000.00-£50,000.00 per year

Benefits:

• Company car
• Company pension
• Employee discount

Work Location: In person