Posted 23 July, 2026
Commercial Manager
O'Neill and Brennan
Feltham, ENG, GB
Full Time
Job Description
Commercial Manager – Main Contractor (Infrastructure / Aviation / Structural Engineering) – SloughSalary/Package: £85,000 + Company Car, Pension Contribution, Travel, Share Options, Discretionary Bonus, Private Healthcare, Annual LeaveO'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 OverviewTitle: Commercial ManagerSector: Infrastructure / Structural EngineeringLocation: SloughSalary: £85,000 + Company Car, Pension Contribution, Travel, Share Options, Discretionary Bonus, Private Healthcare, Annual LeaveStart: ASAP but can wait for the right personType: PermanentResponsibilitiesLeading the commercial management of multiple infrastructure and structural engineering projectsAdministering and managing NEC contracts throughout the project lifecyclePreparing and reviewing cost reports, forecasts and monthly commercial submissionsManaging procurement strategies and subcontractor accountsIdentifying and mitigating commercial and contractual risksLeading change management, compensation events and commercial negotiationsWorking closely with operational teams to maximise project performance and profitabilitySupporting the development and mentoring of junior commercial staff where requiredRequirementsExperience working as a Commercial Manager or Senior Quantity Surveyor within a main contracting environmentStrong working knowledge and practical experience administering NEC contractsExperience delivering infrastructure, structural engineering, transportation or heavy civil engineering projectsExcellent commercial acumen with strong contractual and risk management capabilitiesAbility to manage multiple stakeholders and project workstreams simultaneouslyAble and willing to commute to Slough and project locations as requiredIf 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 07552 619 663, or send your CV via email to .ONeill 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 orientationTPBN1_UKTJ
