Commercial Manager / Managing Quantity Surveyor Location: Northern Home Counties Salary: £110,(Apply online only)–£130,(Apply online only) comprehensive package Company: Leading Main Contractor / Developer Start Date: ASAP Engagement: Permanent Only Overview A leading main contractor / developer is seeking an experienced Commercial Manager / Managing Quantity Surveyor to join their team on a major long-term infrastructure and mixed-use development in the Northern Home Counties. The development will include large-scale civil engineering works, residential phases, commercial space, and associated infrastructure upgrades. This is a flagship, multi-year scheme offering excellent long-term career progression and senior-level responsibility. The ideal candidate will have strong experience managing commercial functions across complex, high-value projects, ideally with exposure to infrastructure, regeneration, mixed-use, or major urban development schemes. Key Responsibilities Full commercial leadership across major phases of the project Preparation of financial reports, forecasts, and cost plans Budget and cost management across multiple work packages Commercial risk identification and mitigation Advising on procurement and commercial strategy Oversight of subcontractor and supplier management Assessment of variations, valuations, and payment applications Leading client interface and stakeholder management Supporting dispute avoidance and resolution Managing, developing, and mentoring the project commercial team Preferred Experience Experience delivering major infrastructure, regeneration, mixed-use or large multi-phase projects Proven track record on projects valued £50m–£200m Strong understanding of pre-construction, procurement, and full project lifecycles Experience with JCT and/or NEC forms of contract Background with a main contractor or developer Ability to lead commercial functions autonomously and drive best practice What’s on Offer £110,(Apply online only)–£130,(Apply online only) full package Opportunity to work on a high-profile, multi-year development Clear route to senior progression—including potential Commercial Lead for future phases Stable, long-term role with a respected and well-funded organisation Excellent working culture and long-term project pipeline If you're interested in this position or would like to discuss other Buyer opportunities, please contact Gareth Jeffrey on (phone number removed), or send your CV via email (url removed) All applications are handled in the strictest confidence. You will be contacted before your CV is shared with any client. 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