Job Description:

Mechanical Project Manager

BJF Group is a leading multi-discipline Main Contractor based across the UK, specialising in delivering high-quality construction projects across various sectors - priding ourselves of our reputation for excellence and attention to detail.

Within our MEP division, the engineering team plays a crucial role in the day-to-day delivery of planned works across a diverse range of properties and systems within large Mechanical, Plumbing & Electrical contracts.

We are seeking an experienced Mechanical Onsite Project Manager to lead the delivery of mechanical services on a 179-unit residential development in Guildford. The role involves full on-site responsibility for mechanical installations from first fix through to commissioning and handover, ensuring high-quality delivery in line with programme and budget.

Key Responsibilities of the Mechanical Project Manager:

• Oversee all mechanical installations across 179 residential units, including:
• Domestic heating systems (ASHP)
• Ventilation systems (MVHR/MEV)
• Plumbing and public health services
• Manage the full lifecycle of the project: first fix, second fix, testing, commissioning, and handover
• Coordinate with main contractor, site management team, and other trades to maintain programme
• Supervise subcontractors and direct labour on-site
• Ensure compliance with UK building regulations and health & safety standards
• Monitor progress, track milestones, and report on programme status
• Manage quality inspections, snagging, and defect resolution
• Oversee commissioning processes and ensure systems are fully operational
• Support procurement and ensure timely delivery of materials and plant
• Attend and lead site meetings with stakeholders

• Proven experience managing mechanical packages on residential developments (ideally 100+ units)
• Strong knowledge of:
• Domestic plumbing & heating systems
• Ventilation systems (MVHR/MEV)
• Apartment block plant rooms
• Experience delivering projects from pre-construction through to handover
• Good understanding of UK Building Regulations (Part L, Part F, etc.)
• SMSTS certification
• CSCS (Black or Gold card preferred)
• Relevant qualification in Mechanical Engineering / Building Services (HNC/HND/Degree)
• Strong leadership and coordination skills

• Experience with high-rise or multi-block residential schemes
• Knowledge of district heating / communal systems
• Familiarity with QA software (e.g., Field View, SnagR)
• Experience working with housing developers or main contractors

• Competitive Salary
• Car Allowance or company vehicle
• Annual Leave Entitlement: 33 days per annum (inclusive of bank holidays)
• Group Pension Scheme: Provided by Royal London to save for your future.
• Company Funded Health Cash Plan: helping you spread the cost of essential healthcare like, trips to the dentist.
• Remote GP Access: speedy access to a GP by telephone or online plus electronic prescriptions
• 24/7 EAP Service: free advice, counselling and support for you and your family whenever you need it.
• Discounted Gym Membership at more than 3,000 gyms across the UK.
• Free Eyesight test: Specsavers
• Better BJF Initiative: wellbeing and mental health champions readily available at work.
• Employee Referral Scheme: recommend a personal connection to us and claim a cash reward for their successful hire