Senior Site Manager

Location: Chepstow / Newport (ideal)
Projects across South Wales & Bristol
Salary: £60,000 – £80,000 + Package (DOE)

We are currently recruiting for an experienced Project Manager or Senior Site Manager to join a growing and highly reputable construction business, delivering complex refurbishment and decarbonisation projects across South Wales and Bristol.

This is an excellent opportunity for a driven construction professional looking to take full ownership of projects from pre-construction through to completion, working within live environments and alongside a highly collaborative client and consultant team.

The Opportunity

The successful candidate will play a key role in the delivery of a major ongoing scheme in Cardiff, currently programmed through to December 2027, with further projects in the pipeline across the region.

Current works include:

• Temporary works packages
• Large-scale reroofing works
• Full re-windowing packages
• Decarbonisation and energy efficiency upgrades
• Complex refurbishment works within occupied buildings

This flagship scheme is being delivered within an occupied university environment, requiring a strong focus on programme, stakeholder management, safety, and operational coordination.

Key Responsibilities

• Taking full ownership of project delivery from PCSA stage through to completion
• Managing all operational and contractual aspects of projects valued between £2m – £8m
• Reviewing and understanding contracts, including amendments to standard forms of contract
• Managing warranties, guarantees, and contractual obligations
• Coordinating design management and consultant teams
• Supporting and managing project programmes to ensure delivery milestones are achieved
• Liaising with clients, stakeholders, consultants, and specialist subcontractors
• Managing temporary works and ensuring compliance across all project stages
• Maintaining high standards of quality, safety, and programme performance
• Managing live/occupied environments with minimal disruption to end users

About You

We are looking for a proactive and commercially aware individual who can lead projects with confidence and professionalism.

Ideal experience includes:

• Proven experience as either a Project Manager or Senior Site Manager within refurbishment, retrofit, or major construction projects
• Strong understanding of contracts, liabilities, warranties, and guarantees
• Knowledge of design responsibility and design liabilities
• Excellent stakeholder and client-facing skills
• Strong planning and programming capability
• High attention to detail and strong problem-solving ability
• Experience delivering projects in occupied environments
• Strong technical understanding of refurbishment and building envelope works
• Competent using Procore (or similar systems such as Field View, Aconex, or similar project management platforms)

O’Neill and Brennan values diversity and promotes equality, All individuals will be treated in a fair and equal manner and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability or sexual orientation