Mechanical Site Supervisor

Our client is seeking a Mechanical Site Supervisor to join their construction delivery team on a major water project.

The successful candidate will play a key role in supervising and coordinating all mechanical site activities — ensuring work is delivered safely, to specification, on time, and to a high standard of quality. This position is ideal for an experienced mechanical professional with a background in pipework, welding, and installation within water or energy infrastructure.

Key Responsibilities:

Support the Site Manager in maintaining a safe working environment for all site personnel, contractors, and visitors.

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Ensure health, safety & environmental documentation is up-to-date, accurate, and appropriately reviewed.

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Verify that all relevant documents (drawings, method statements, work instructions) accurately describe the tasks being carried out.

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Supervise mechanical works to ensure they are executed in line with approved RAMS and technical drawings.

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Review and provide input on Method Statements and Work Instructions in line with the project execution requirements.

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Maintain accurate records of work progress, including red-line drawings and site diaries where required.

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Identify and report non-conformances and improvement opportunities; follow up on agreed corrective actions.

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Ensure a high-quality mechanical installation, with ITPs completed progressively as works are delivered.

Candidate Requirements:

Experience:

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Demonstrable experience supervising mechanical installations in the water, energy, or heavy infrastructure sectors.

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Strong understanding of pipework fabrication, welding, pressure testing, and mechanical assembly.

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Able to interpret and work to Isometric, GA, and P&ID drawings.

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Confident in identifying quality issues in welds, valves, and mechanical components.

Qualifications:

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HNC / HND in Mechanical Engineering or equivalent experience through a trade apprenticeship (pipefitting/welding).

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Valid SMSTS (Site Management Safety Training Scheme) certification.

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CSCS card (relevant to mechanical site supervision).

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First Aid at Work qualification (preferred but not essential).

If you’re a mechanical supervisor with water or industrial project experience and are looking for your next challenge, we’d love to hear from you. Please apply with your CV.

GRS (Gearing Recruitment Solutions) operates across sectors including water treatment, wastewater, AMP projects, and energy distribution. Relevant industries: clean water, sludge treatment, pumping stations, chemical dosing, sewage, food processing, breweries, pharmaceutical, process engineering, power networks, HV/LV installations, renewables, solar, wind farms, energy storage systems, oil and gas, and petrochemicals