Assistant Site Manager

Criterion Capital; Greater London; On-site; GBP 32,000 - 42,000; Full time

Job summary

Criterion Capital is seeking a driven Assistant Site Manager to support the day-to-day delivery of a major fit-out project, transforming a commercial space into a high-quality hotel development in Central London. You will work closely with the Site Manager and project team to maintain safety, programme, and budget adherence on site.

You will coordinate trades, monitor progress, and ensure documentation is up to date, contributing to high workmanship standards and productive on-site collaboration.

Qualifications

• Experience in construction or fit-out sites, especially in assistant roles.
• Ability to coordinate multiple trades and stakeholders.
• Attention to detail and practical problem-solving on site.
• Proactive and solutions-focused approach to issues.
• Commitment to high site standards and housekeeping.

Responsibilities

• Support the Site Manager with day-to-day site operations.
• Coordinate labour, trades, and subcontractors to deliver works efficiently.
• Monitor progress against the construction programme and flag delays.
• Collaborate with contractors, architects, QS, and project team.
• Assist sequencing of works to maximise productivity.
• Ensure workmanship meets required standards and maintain records.
• Support inspections, snagging, and defect prevention activities.
• Assist with site housekeeping and organisation.
• Support health and safety compliance and site regulations.
• Provide progress updates to the Site Manager and project team.
• Identify and resolve issues before they impact the programme.

Skills

Site coordination

On-site supervision

Health & Safety adherence

SMSTS

First Aid

Strong communication

Job description

Criterion Capital is seeking a driven, hands-on Assistant Site Manager to support the day-to-day delivery of a major fit-out project. This is an exciting opportunity to play a key role in transforming a commercial space into a high-quality hotel development, working closely with the Site Manager and wider project team.

The Role

As Assistant Site Manager, you will support the Site Manager in overseeing on-site operations, helping to ensure the project is delivered safely, on programme, within budget, and to the highest standards.

You will be actively involved in coordinating trades and subcontractors, monitoring progress, maintaining site standards and documentation, and resolving issues as they arise.

Key Responsibilities

• Support the Site Manager with the day-to-day management of site operations
• Coordinate labour, trades, and subcontractors to ensure works are delivered efficiently
• Monitor progress against the construction programme and highlight potential delays or issues
• Work closely with contractors, architects, quantity surveyors, and other project stakeholders
• Assist with the coordination and sequencing of works to maximise productivity
• Monitor the quality of workmanship and ensure works are completed to the required standards
• Maintain accurate site records, reports, drawings, and project documentation
• Assist with site inspections, snagging, defect prevention, and close-out
• Support the Site Manager in maintaining high standards of housekeeping and site organisation
• Ensure compliance with Health & Safety requirements and all relevant statutory regulations
• Help motivate and manage site teams, promoting a positive and productive working environment
• Assist with regular progress reporting and provide clear updates to the Site Manager and project team
• Take a proactive approach to identifying and resolving issues before they impact the programme

About You

• Minimum 1 year experience working on construction or fit-out sites, ideally in an Assistant Site Manager or similar role
• Strong understanding of construction methods, sequencing, quality, and defect prevention
• Good organisational and communication skills, with the ability to coordinate multiple trades and stakeholders
• Experience working on residential, hotel, or commercial fit-out projects is highly desirable
• Proactive, practical, and solutions-focused with a strong attention to detail
• Able to work effectively as part of a wider project team while taking ownership of assigned responsibilities
• Strong commitment to Health & Safety and maintaining high site standards
• SMSTS and First Aid qualifications

If you’re ready to take the next step in your construction career and play a key role on a flagship Central London hotel development, we’d love to hear from you.