Mechanical Supervisor

RTL Group Ltd; Oxford; On-site; GBP 100,000 - 125,000; Full time

Job summary

A construction firm in Oxford is seeking a Mechanical Supervisor to oversee mechanical installations on large-scale projects. Responsibilities include coordinating HVAC and plumbing activities, ensuring compliance with specifications, and monitoring subcontractor performance. The ideal candidate has strong leadership skills, a technical background in mechanical engineering, and relevant certifications. This role offers opportunities for career growth in a dynamic construction environment.

Qualifications

• Strong experience supervising mechanical installations on large-scale commercial or mixed-use developments.
• Sound technical understanding of HVAC, plumbing, drainage, and mechanical plant systems.
• Excellent communication and leadership skills with the ability to manage teams and subcontractors effectively.
• Proven track record of working in fast-paced, programme-driven construction environments.
• Valid SSSTS or SMSTS certification (essential).
• CSCS Card (supervisory level or higher).

Responsibilities

• Supervising and coordinating daily mechanical activities including HVAC and plumbing.
• Ensuring all mechanical installations meet approved drawings and specifications.
• Monitoring productivity and performance of subcontractors to maintain quality.
• Conducting quality checks and snagging to ensure timely reworks.
• Ensuring compliance with health and safety protocols.

Skills

Site supervision and coordination

Team leadership and performance management

Quality assurance and snag control

HSE compliance and awareness

Communication and problem-solving

Education

NVQ Level 3, City & Guilds, or HNC/HND in Mechanical Engineering

Tools

Construction drawings and technical documents

Job description

Mechanical Supervisor Responsibilities

• Reporting to and working closely with the Mechanical Project Manager and site leadership team.

• Supervising and coordinating daily mechanical activities including HVAC, plumbing, public health, and plant installation works.

• Ensuring all mechanical installations are delivered in line with approved drawings, specifications, and relevant industry standards.

• Monitoring productivity and performance of mechanical subcontractors to maintain programme and quality requirements.

• Supporting the Mechanical Project Manager with short-term lookahead programmes, labour forecasting, and material tracking.

• Attending daily site coordination meetings and feeding into construction planning discussions.

• Conducting quality checks, snagging, and ensuring reworks are completed in a timely manner.

• Ensuring all works are carried out in full compliance with health and safety protocols and site rules.

• Supporting commissioning and handover activities, including testing and client demonstrations.

• Maintaining accurate records of site activities, inspections, and progress updates.

• Liaising with other trades to coordinate mechanical integration within the wider construction programme.

Mechanical Supervisor Requirements

• Strong experience supervising mechanical installations on large-scale commercial or mixed-use developments.

• Sound technical understanding of HVAC, plumbing, drainage, and mechanical plant systems.

• Excellent communication and leadership skills with the ability to manage teams and subcontractors effectively.

• Proven track record of working in fast-paced, programme-driven construction environments.

• Comfortable reading and interpreting construction drawings and technical documents.

• Familiar with modern construction practices, site logistics, and sequencing of MEP works.

• NVQ Level 3, City & Guilds, or HNC/HND in Mechanical Engineering or Building Services.

• Valid SSSTS or SMSTS certification (essential).

• CSCS Card (supervisory level or higher).

• Experience on Tier 1 contractor or high-end commercial/residential sites is highly advantageous.

Key Competencies

• Site supervision and coordination

• Team leadership and performance management

• Quality assurance and snag control

• HSE compliance and awareness

• Construction sequencing and coordination

• Communication and problem-solving

• Strong reporting and documentation skills