Company Description
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.
Position
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
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
Requirements
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
Desirable Experience
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
Other information:
Competitive Salary
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