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.
We now seek a Senior Construction Manager to join our Country Houses team on a permanent, full-time basis.
The Benefits
This is a great opportunity for an energetic Senior Construction Manager to join our forward-thinking and collaborative organisation.
We offer:
- Auto enrolment to company pension scheme (opt-out option available)
- Private medical insurance
- Income protection insurance
- 26 days annual leave
- Travel expenses for site-based staff
The Culture
At Size Group our values underpin who we are. They form an important benchmark for everyone – collectively and individually. We are:
- 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
The Role
As a Senior Construction Manager, you will act as the senior operational lead on one of our most prestigious projects, providing strategic oversight, supporting the project team, and delivering consistently high standards.
You will oversee all aspects of the project, including health and safety, programme management, construction methodology, quality assurance, resource allocation, stakeholder engagement, and operational performance.
Working closely with directors, consultants, clients, and site teams, you will provide strategic leadership across multiple project phases, ensuring the project is delivered safely, efficiently, on programme, and to the exceptional standards expected by our clients.
You will drive collaboration across the wider business, champion best practice, and proactively identify opportunities to improve performance, mitigate risk, and maximise project success.
Additionally, you will play a key role in developing our future talent, providing leadership and mentorship to Construction Managers, Site Managers, Graduates, and Trainees whilst helping to strengthen operational excellence across the business.
About You
To be considered as a Senior Construction Manager, you will need to demonstrate:
- Qualifications appropriate to the role
- Extensive structural and fit-out delivery experience, ideally gained within complex luxury residential, heritage or bespoke construction environments
- Exceptional knowledge of construction methodologies, sequencing, and project delivery within the luxury property sector
- Proven ability to lead, motivate, and develop high-performing site and project teams
- Strong commercial awareness, including understanding project budgets, change management, risk, and contractual obligations
- Extensive knowledge of programme development, management, and recovery planning
- Ability to identify project risks early and implement effective mitigation strategies
- Outstanding leadership skills, providing clear direction whilst fostering a collaborative team environment
- Significant experience managing client, consultant, and stakeholder relationships at a senior level
- Excellent communication and interpersonal skills, with the ability to influence and build trust across all levels of the business
- Extensive knowledge of safe systems of work and a demonstrable commitment to health and safety excellence
- The ability to oversee and coordinate multiple workstreams and project teams simultaneously
- A proactive, solutions-focused approach and the ability to make sound decisions under pressure
- A commitment to continuous improvement, innovation, and modern methods of construction
- Strong IT competency, including Microsoft Office and construction planning software
- Experience mentoring and developing Construction Managers, Site Managers, Graduates, and Trainees
- The ability to contribute strategically to business objectives and support future project opportunities
- CSCS, SMSTS and First Aid qualifications (essential)
We are unable to offer visa sponsorship for this position. As such we will only consider applications from those who already possess the right to work in the UK.
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Senior Construction Manager employer: Size Group
At Smith and Brown Cabinetmakers, we pride ourselves on fostering a collaborative and innovative work environment where creativity thrives. Located in North London, we offer competitive benefits, ongoing training, and clear pathways for career advancement, making us an excellent employer for those passionate about precision joinery and CNC programming. Join our team and be part of a company that values craftsmanship and supports your professional growth.
