Commercial Manager

Company: Arguile
Apply for the Commercial Manager
Location: Northampton
Job Description:

We are seeking a high-calibre Senior Commercial Manager to take a leading role in the commercial delivery of major infrastructure and construction projects. This is a senior position at Commercial Manager level, offering significant ownership across projects, with a strong focus on NEC and JCT contract management.

You will be responsible for driving commercial performance, managing contractual risk, and acting as a key interface between project delivery teams, clients, and senior stakeholders.

Key Responsibilities

  • Take full commercial responsibility for projects or key work packages (£20m–£100m+)
  • Act as the commercial lead within the project team, supporting strategic decision-making
  • Provide robust commercial guidance to Project Managers and operational leads
  • Ensure commercial governance and best practice is embedded across delivery

Contract Management (NEC & JCT Specialist)

  • Lead the administration and management of NEC3/NEC4 and JCT contracts
  • Take ownership of early warnings, compensation events, variations, and change control processes
  • Provide expert contractual advice to internal stakeholders and project teams
  • Support dispute avoidance and, where required, contribute to claims strategy and resolution

Cost & Value Management

  • Own project cost reporting, forecasting, and financial performance
  • Drive margin improvement, cost efficiencies, and value engineering opportunities
  • Lead on valuations, applications for payment, and agreement of final accounts

Risk & Opportunity Management

  • Proactively identify and manage commercial risks and opportunities
  • Maintain and drive commercial input into risk registers and mitigation strategies
  • Support and lead on the preparation and negotiation of claims and variations

Stakeholder & Client Engagement

  • Build and maintain strong relationships with clients, subcontractors, and key stakeholders
  • Lead commercial discussions and negotiations with confidence
  • Act as a key point of contact for commercial matters on assigned projects

Team Support & Development

  • Provide guidance and mentoring to Quantity Surveyors and junior commercial staff
  • Support the development of commercial capability within the team

Key Requirements

  • Strong experience in a Commercial Manager or Senior Quantity Surveyor role within construction or infrastructure
  • Extensive working knowledge of NEC3/NEC4 and JCT contracts (essential)
  • Demonstrated ability to lead commercial activities with a degree of autonomy
  • Strong understanding of cost control, change management, and contract administration
  • Excellent negotiation and stakeholder management skills
  • Ability to operate confidently in a fast-paced, project environment
  • Degree-qualified in Quantity Surveying, Commercial Management, or similar
  • Chartered status (RICS or working towards)
  • Experience within regulated sectors (e.g. infrastructure, utilities, energy, rail)
  • Strategic commercial thinking
  • Influencing and negotiation
  • Leadership and mentoring
  • Risk management and problem‑solving

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Posted: April 26th, 2026