Mechanical Project Manager

Senior Mechanical Project Manager

Location: Southwest London

Salary: £90,(Apply online only) - £110,(Apply online only) + Generous Package

O'Neill & Brennan are currently recruiting for an experienced Mechanical Project Manager to join a major healthcare development in Southwest London. This is a key leadership opportunity on a high-profile scheme delivering critical healthcare infrastructure.

The Role

The Mechanical Project Manager will take full responsibility for the successful delivery of all mechanical services, from initial client engagement through to final handover and completion of the defects period.

This role is integral to ensuring the project is delivered safely, on programme, within budget, and to the highest quality standards. You will act as a senior representative on site, driving performance, maintaining strong client relationships, and ensuring full commercial and operational control of the mechanical package.

Key Responsibilities

Lead the transition from Estimating through to Construction

Work closely with the Project Director to ensure the project is appropriately resourced

Validate project scope and establish business plans, cost controls, cash flow forecasts, and billing schedules

Prepare and manage key project documentation including procurement plans, design programmes, construction programmes, S-curves, and labour histograms

Implement and enforce project-specific health, safety, and quality plans

Mobilise subcontractors and direct labour in line with the delivery strategy

Ensure all pre-construction measures and deliverables are aligned prior to works commencing

Oversee mechanical systems installation and coordinate with MEP and wider project teams

Monitor commercial performance, including cost control and budget management

Build and maintain strong relationships with clients, consultants, subcontractors, and internal stakeholders

Drive programme performance while proactively managing risks and challenges

Requirements

Proven experience as a Mechanical Project Manager on large-scale construction projects

Strong technical knowledge of mechanical systems and MEP coordination

Demonstrable commercial awareness and budget management experience

Solid understanding of HSE standards related to MEP works

Experience managing internal teams, subcontractors, and supply chain partners

Excellent communication and stakeholder management skills

Healthcare project experience is desirable but not essential

What's on Offer

Opportunity to work on a flagship healthcare project in Southwest London

£90,(Apply online only) - £110,(Apply online only) salary + generous benefits package

Long-term project security on a major development

Clear career progression opportunities

A supportive and collaborative project environment

O'Neill & Brennan is committed to promoting diversity and equality in the workplace. All applicants will be treated fairly and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability, or sexual orientation

O’Neill and Brennan values diversity and promotes equality, All individuals will be treated in a fair and equal manner and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability or sexual orientation
Only candidates based in UK and eligible to work in UK are allowed