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