Assistant Site Manager

Reporting to the development Site Manager, the Assistant Site Manager will work closely with the wider development team to ensure the site programme is effectively planned, monitored and delivered on a daily basis.

You will support the Site Manager in the management of all site resources, including labour, plant and materials, while maintaining the highest standards of health and safety, quality and customer service. Under the guidance of the Site Manager, you will take responsibility for managing sub-contractors, providing clear direction and setting expectations across all aspects of site delivery.

A key part of the role is helping to create and embed a proactive safety culture, where operatives actively recognise and manage risk to prevent issues arising. You will carry out regular checks to ensure compliance with Cala Health & Safety standards and will be confident in taking immediate corrective action should any breaches be identified.

As Assistant Site Manager, you will take ownership of site issues and ensure they are resolved promptly and effectively. You will also recognise the importance of excellent customer satisfaction and play an active role in resolving customer service issues.

The ideal candidate will be computer literate and have experience working to NHBC standards. It is important to have an understanding of the construction process with the ability to work at heights, and hold valid SMST, CSCS and First Aid certificates. Competency in Scaffold Awareness, Traffic Management and Lifting Ops is desirable, although training can be provided. Volume experience building to a 5 star quality is essential, and candidates must have previous experience in a similar role with a housebuilder. You will be confident in explaining technical information, an excellent problem solver and have strong time management skills. Demonstrable motivational and people management techniques are required to encourage the team to meet targets and deadlines. Communication skills are paramount to ensure that the necessary teams are kept up to date with any changes on the site. You will be required to lead trade site, project team and site sales meetings. Additionally, you will work alongside the Site Manager to ensure costs are controlled and identify potential savings.

Must have a valid:

• CITB - SMSTS (not an internal version, has to be CITB)
• First Aid at Work (FAW)
• Appropriate CSCS Card

Ideally have a valid:

• Basic Scaffold Theory and Inspection (or CISRS Inspector)
• Site Environmental Management (CITB SEATS or IEMA)
• CITB - Temporary Works Co-ordinator (TWC)
• Have experience working to NHBC standards
• Held previous position conducting this role.

Please be aware that if you are invited to interview for this role, you will be required to show proof of your right to work in the UK.

Closing Date: 12 April 2026

We recognise that a diverse team makes us a stronger and more successful company. We value different ideas and perspectives as it helps improve our decision-making, products and services. And we're striving to create an inclusive work environment, in which everyone can feel comfortable as themselves, uniquely contribute and do their best work. If we need to adjust anything in our recruitment process to support you, please contact

The Cala Group is a major UK housebuilder and leading provider of desirable new homes across Scotland, the South of England & Midlands. Driven by a mission to create vibrant and sustainable new communities, our homes are characterised by exceptional design and sector-leading build quality, and we have a passion for providing our customers with a great home buying experience. This is an exciting time to be at Cala. Our approach to sustainability and technology is undergoing a dramatic transformation, and we're aiming to create an industry-leading experience for both our staff and customers. At Cala, you can expect to be part of an environment which allows you to do meaningful work, while offering opportunities for personal growth. Our goal is to be the favoured employer in our industry and beyond. We encourage applications from those who want to be part of a culture where they can thrive, feel a sense of belonging and be comfortable being themselves at work.