Commercial Manager

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 (url removed).

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