Mechanical Project Manager – Small Works

Location: Hertfordshire
Salary: Up to £75,000 per annum + Travel Expenses + Healthcare + Pension + Bonus Potential
Job Type: Permanent
Sector: M&E / Mechanical / Commercial Fit-Out

We are seeking an experienced Mechanical Project Manager to join a growing and ambitious Small Works division delivering high-quality mechanical packages across commercial fit-out and refurbishment projects.

The successful candidate will initially take responsibility for a £750k mechanical package on a project in Hertfordshire before becoming a key member of a long-term, expanding team focused on strengthening and growing the company''s mechanical delivery capability.

• Manage the full lifecycle of mechanical small works and fit-out projects from pre-construction through to completion, commissioning, and handover.
• Lead the delivery of an initial £750k mechanical package, ensuring works are completed safely, on programme, within budget, and to the required quality standards.
• Oversee the installation and coordination of mechanical services including HVAC, ventilation, air conditioning, heating, domestic water services, pipework, drainage, and associated plant equipment.
• Coordinate and manage subcontractors, suppliers, site teams, commissioning engineers, and specialist mechanical contractors.
• Develop and maintain project programmes, procurement schedules, commissioning plans, and resource allocations.
• Monitor project costs, variations, valuations, and overall commercial performance to ensure profitability targets are achieved.
• Review technical drawings, specifications, and design information, identifying and resolving any coordination or installation issues.
• Ensure all mechanical installations comply with current regulations, Health & Safety requirements, company procedures, and industry standards.
• Manage commissioning activities, testing procedures, snagging works, and final handover documentation.
• Build and maintain strong working relationships with clients, consultants, design teams, and project stakeholders.
• Attend project meetings and provide regular progress updates and performance reports to senior management.
• Support the continued growth and development of the Small Works division and contribute to improving mechanical project delivery processes and best practices.

• Proven experience as a Mechanical Project Manager within the M&E, Mechanical Building Services, or Construction sector.
• Strong background delivering commercial fit-out and refurbishment projects including offices, retail units, restaurants, hospitality venues, healthcare facilities, and similar commercial environments.
• Experience managing mechanical packages ranging from small works projects through to projects valued at approximately £1m.
• Strong understanding of HVAC systems, ventilation, heating, pipework services, plant installations, commissioning, and handover processes.
• Ability to coordinate multiple workstreams and manage mechanical installations within fast-paced project environments.
• Excellent client-facing, communication, and stakeholder management skills.
• Strong commercial awareness with experience managing project budgets, variations, procurement, and subcontractor accounts.
• Ability to manage multiple projects and priorities while maintaining high standards of quality and delivery.
• Proficient in Microsoft Office and project management software.
• Relevant mechanical qualifications and industry certifications preferred.
• SMSTS, First Aid, and ECS/CSCS cards desirable.

• Salary up to £75,000 per annum
• Travel expenses paid
• Private healthcare
• Company pension scheme
• Performance-related bonus potential
• Long-term career progression within a growing Small Works division
• Opportunity to play a key role in expanding and strengthening the mechanical side of the business
• Supportive and collaborative working environment

This role would suit a Mechanical Project Manager with experience delivering commercial fit-out and refurbishment projects involving HVAC, ventilation, heating, and mechanical building services installations across offices, retail spaces, restaurants, hospitality venues, and other fast-paced commercial environments.