Graduate Building Services Manager Mechanical & Electrical · Marlborough

Who is Size Group?

Launched in 2009 as a small construction venture between two friends, Size Group brings together the vital elements of property from the construction of luxury buildings through to the maintenance and management of a property portfolio.

• Competitive salary
• Auto enrolment to company pension scheme (opt-out option available)
• Private medical insurance
• Critical illness insurance
• 26 days annual leave
• Travel expenses for site-based staff

As part of a growing group with ambitious plans, you’ll benefit from strong leadership support, visible career progression, and the chance to help shape the success of our most high-profile projects.

• Empathetic - People-driven and focused
• Tenacious - Relentless pursuit of the highest standards
• Integrity - Integrity earns trust. Trust builds relationships
• Entrepreneurial - Self-starters that push beyond the obvious

We boast a culture that is focused on training and development, career paths and internal progression. What’s more, we’re committed to our employees and offer a range of benefits to support your lifestyle both in and out of the workplace.

As a Graduate Building Services Manager (M&E), you will play a key role in supporting the Building Services team to oversee the design, co-ordination, and installation of mechanical and electrical systems across a large-scale residential project. You’ll liaise with project managers, consultants, and subcontractors to help ensure all services are delivered to the highest standards, on time and within budget.

• Assist in coordinating MEP services throughout all stages of the refurbishment project.
• Work closely with subcontractors, designers, and site teams to ensure building services are installed safely, accurately, and to a high standard.
• Help review drawings, specifications, and technical submissions to ensure compliance with project requirements.
• Monitor progress on site, support quality checks, and help resolve day‑to‑day issues related to MEP services.
• Contribute to site meetings, track actions, and support effective communication between project teams.
• Assist with testing, commissioning, and handover documentation to ensure seamless project completion.

• A recent graduate in Building Services Engineering, Mechanical/Electrical Engineering, or a related discipline.
• Interested in high‑end residential projects and motivated to learn how building services integrate into complex refurbishment work.
• A strong communicator with the confidence to work with designers, subcontractors, and site teams.
• Attentive to detail and have a willingness to problem‑solve in a practical, hands‑on environment.
• Organised, proactive, and eager to develop technical and project management skills.
• A positive attitude and a genuine desire to build a career within construction and building services management.

If your skill set matches the above and the prospect of helping deliver some of the country’s finest projects appeals to you, please reach out by clicking Apply. Your application will be processed by Size Group, and interviews will be conducted on a rolling basis as suitable candidates apply. We therefore encourage you to submit ASAP to avoid missing out!