Mechanical Site Manager

Junior Mechanical Project Manager M&E Building Services contractor based in West Sussex

Salary: £48,000 to £52,000 plus Benefits Package

About the Company and Opportunity

A long-established and highly respected Mechanical and Electrical Building Services contractor delivering mechanical, HVAC, and plumbing projects across commercial, industrial, education, healthcare, and residential environments. Typical project values range from £25k to £1m.

Due to continued growth, the business is seeking to appoint a Junior Mechanical Project Manager to support the delivery of multiple mechanical building services projects.

This is a key role within a supportive and experienced mechanical team, offering long-term stability, development, and excellent exposure to full project management responsibilities.

This position is ideally suited to an experienced Mechanical Site Manager or strong Mechanical Site Supervisor who is now looking to take the next step into a Junior Mechanical Project Manager role.

You will take ownership of day-to-day elements of project delivery while receiving guidance and mentorship from senior members of the team.

Key Responsibilities

• Support the management of mechanical building services projects from pre-construction through to completion.
• Coordinate mechanical installation works including heating, ventilation, cooling, HVAC systems, pipework, plant rooms, and associated building services.
• Oversee labour and subcontractors on site, ensuring safe, efficient, and high-quality delivery.
• Assist with procurement, material ordering, scheduling, programme updates, and progress reporting.
• Review mechanical drawings, specifications, RAMS, and technical documentation.
• Attend site meetings and contribute to planning, progress reviews, and problem-solving discussions.
• Maintain communication with clients, main contractors, consultants, and internal M&E teams.
• Support cost tracking, variations, valuations, and general project documentation.

Requirements

• Background in mechanical building services, HVAC installation, plumbing, pipefitting, or mechanical engineering.
• Experience working as a Mechanical Site Manager or strong Mechanical Site Supervisor is highly desirable.
• Solid understanding of mechanical systems, installation sequencing, and building services coordination.
• Ability to manage site activities, labour, subcontractors, and health and safety processes.
• Strong communication, organisation, and planning skills.
• A proactive mindset and a genuine interest in progressing as a Mechanical Project Manager.

Remuneration Package Junior Mechanical Project Manager

• £48,000 to £52,000 basic salary
• Benefits Package
• Ongoing training and professional development
• Long-term career progression within a respected M&E Building Services contractor

If you are an experienced Mechanical Site Manager, or Mechanical Site Supervisor looking for an excellent long-term opportunity within a supportive and well-established mechanical team, we would be delighted to hear from you.

Please apply online today, or contact Rob at David Leslie Ltd for an informal and confidential discussion.

About David Leslie Ltd

David Leslie Ltd is a family-run construction recruitment consultancy with over 20 years experience connecting professionals and employers across the UK. Specialising in the Building, Fit-Out and M&E Building Services sectors, our approach is built on trust, integrity and long-term partnerships, ensuring both clients and candidates receive a service that is personal, transparent and expertly delivered.

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