Mechanical Supervisor

Mechanical Supervisor – Barnsley
We are looking for a skilled Construction Supervisor (Mechanical) to work on a wastewater treatment site as part of Non-Infrastructure projects in the area. This is an initial 6-month contract with the potential for progression, as the project duration is expected to last 12-18 months. The successful candidate will oversee the mechanical installation and commissioning processes, ensuring compliance with safety, quality, and environmental standards.

Main Duties & Responsibilities
• Oversee the safe and efficient installation, testing, and commissioning of all mechanical systems on the wastewater treatment site.
• Ensure compliance with company procedures, project delivery systems, and industry standards.
• Supervise subcontractors to ensure mechanical works are completed on time, within budget, and to the required specifications.
• Act as the primary point of contact during witness and quality hold points during inspections and client reviews.
• Obtain client acceptance for all mechanical installations and ensure satisfactory resolution of any snagging issues.
• Oversee mechanical acceptance/takeover demonstrations and prepare all necessary documentation to meet contractual and regulatory requirements.
• Ensure all relevant project documentation is completed and accepted by the client.
• Update and mark up all site mechanical and P&I drawings and assist in the creation of ‘As Built' documentation.
• Coordinate subcontractor demobilization, ensuring that surplus materials are removed and the site is left clean and tidy.
• Troubleshoot and resolve any issues with mechanical equipment or systems in accordance with project contract obligations.
• Liaise with the client's site representatives to agree on modes of operation and assist in the creation of method statements for site activities.
• Work closely with vendors and suppliers to ensure mechanical systems are installed correctly before commissioning.
• Assist the Site Manager in maintaining a daily diary of project events.
• Report on project progress and highlight any delays to the Construction Manager.
• Ensure the materials and workmanship of the subcontractors are in line with approved drawings and specifications.
• Maintain strict adherence to Health and Safety regulations, COSHH, Environmental Plans, and other statutory requirements.
• Performance Measures
• Safe and timely installation and handover of all mechanical systems in line with project specifications.
• Proactive identification and resolution of any project issues impacting timelines, costs, quality, or safety.
• Accurate and timely completion of mechanical installation documentation.
• Thorough and precise marking up of project drawings.
• Effective implementation of Health and Safety regulations, including COSHH and environmental standards.
• Prompt resolution of any snags or defects with mechanical systems or equipment.



Qualifications/Skills
• Formal qualification in Mechanical Engineering or related discipline (HNC/HND minimum) – Essential
• SSSTS / SMSTS / CSCS – Essential
• IOSH Managing Safely in Construction or NEBOSH equivalent – Desirable
• First Aid at Work/Emergency First Aid – Essential
• Knowledge & Experience
• Proven site experience in the water/wastewater sector, with a focus on Non-Infrastructure projects, and supervisory experience – Essential
• Understanding of temporary works procedures, particularly related to pressure testing – Desirable

This is a fantastic opportunity to join one a company working on the Yorkshire Water Framework who have exciting plans for near future in the region. For more information on this role please contact Jack Burton on or via email on

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