Job Description

Commercial Manager – Main Contractor (Infrastructure / Aviation / Structural Engineering) – Slough

Salary/Package: £85,000 + Company Car, Pension Contribution, Travel, Share Options, Discretionary Bonus, Private Healthcare, Annual Leave

O’Neill and Brennan are currently working with a leading contractor delivering complex infrastructure and structural engineering projects across the South East. Their portfolio includes major transport, aviation-adjacent, public realm and heavy civil engineering schemes, requiring a high level of commercial expertise and stakeholder management throughout the project lifecycle.

They are seeking to hire an experienced Commercial Manager with strong NEC contract knowledge who can take commercial ownership of multiple projects and provide leadership across both pre-contract and post-contract phases. This is an excellent opportunity to join a growing business with a strong pipeline of technically challenging work and genuine long-term progression prospects.

You will work closely with senior operational and commercial teams, helping to drive project performance whilst managing risk, contractual compliance and commercial strategy across a diverse project portfolio.

Role Overview

Title: Commercial Manager

Sector: Infrastructure / Structural Engineering

Location: Slough

Salary: £85,000 + Company Car, Pension Contribution, Travel, Share Options, Discretionary Bonus, Private Healthcare, Annual Leave

Start: ASAP but can wait for the right person

Type: Permanent

Responsibilities

Leading the commercial management of multiple infrastructure and structural engineering projects

Administering and managing NEC contracts throughout the project lifecycle

Preparing and reviewing cost reports, forecasts and monthly commercial submissions

Managing procurement strategies and subcontractor accounts

Identifying and mitigating commercial and contractual risks

Leading change management, compensation events and commercial negotiations

Working closely with operational teams to maximise project performance and profitability

Supporting the development and mentoring of junior commercial staff where required

Requirements

Experience working as a Commercial Manager or Senior Quantity Surveyor within a main contracting environment

Strong working knowledge and practical experience administering NEC contracts

Experience delivering infrastructure, structural engineering, transportation or heavy civil engineering projects

Excellent commercial acumen with strong contractual and risk management capabilities

Ability to manage multiple stakeholders and project workstreams simultaneously

Able and willing to commute to Slough and project locations as required

If you're a Commercial Manager with strong NEC contract experience and a background delivering complex infrastructure or structural engineering projects, please contact Ned Scott-Mends on (phone number removed), or send your CV via email to .

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