Senior Project Manager

SENIOR PROJECT MANAGER (CONSTRUCTION) - DEFENCE SECTOR PROJECT, BRISTOL REGION

We’re looking for a seasoned Project Manager to join an ambitious and progressive Tier 1 organisation operating throughout the UK and Ireland, known for delivering high-quality results across a diverse range of sectors. Their culture is built on accountability, respect, and teamwork — principles that guide how they engage with clients, partners, and colleagues.

As the company continues to expand, they are looking for motivated professionals who take genuine pride in their work and want to grow their careers in a positive, team-oriented environment. O'Neill & Brennan has been appointed to seek an experienced Project Manager to lead major projects of up to £100m in value and contribute to their ongoing success.

What Makes This Opportunity Stand Out?

Diverse Portfolio – Take the lead on impactful, high-value developments across multiple sectors
Professional Development – Benefit from structured career progression and ongoing training
Supportive Environment – Join a collaborative culture focused on integrity, innovation, and excellence
Rewarding Package – Competitive salary, comprehensive benefits, and dedicated volunteering days

The Role

As Project Manager, you will take full ownership of project delivery from pre-construction through completion.

Key responsibilities include:

Gaining a thorough understanding of contract obligations and pricing strategy

Reviewing and refining pre-construction cost allowances and project strategy

Developing a robust procurement programme alongside the Project Quantity Surveyor

Managing subcontractor selection, negotiation, and timely appointment

Conducting routine commercial performance reviews to monitor cost and value

Demonstrating strong knowledge of NEC contract administration

Providing leadership and direction to the Project Quantity Surveyor where required

Taking control of the tender programme and transforming it into a detailed construction schedule

Establishing and overseeing a structured snagging and close-out process

Creating and managing an Information Release Plan to coordinate input from designers, clients, and statutory authorities

Ensuring all subcontractors meet competency standards and comply fully with CDM Regulations

Preparing and maintaining the Construction Phase Health & Safety Plan, securing required approvals before site commencement

Leading daily safety coordination meetings with site teams and subcontractors

Ensuring adherence to all relevant health & safety legislation and managing timely submission of H&S files, O&M manuals, and building documentation

Implementing and maintaining a comprehensive site quality management system

About You

Required

Certifications:

Valid CSCS card

Ideally hold current Security Clearance and have experience of running defence sector projects

Asbestos Awareness certification

SMSTS (Site Management Safety Training Scheme)

Essential Experience &

Skills:

Proven track record in project management, ideally within the construction sector

Strong interpersonal skills with the ability to foster productive relationships with clients, subcontractors, and internal teams

Commercially aware with solid contract knowledge

Organised, proactive, and committed to delivering high standards

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