Commercial Manager

Commercial Manager Major Infrastructure Project | London | Permanent We are seeking an experienced Commercial Manager to join a leading Tier 1 contractor delivering a transformational major infrastructure project. This is a strategic commercial leadership role overseeing contract and cost management from project initiation through to close-out, with responsibility for multi-million-pound packages and complex change management. About the Role As Commercial Manager, you will drive commercial discipline and accountability across design, consultancy, and subcontractor packages. You'll manage contract administration, cost control, risk quantification, and programme impact assessment while influencing senior stakeholders and internal teams. This role demands both detail-focused contract administration and strategic commercial insight. Key Responsibilities Contract & Notice Management Administer NEC3/NEC4 contracts with expertise in contractual notices, early warnings, compensation events, and change management Interpret contract clauses, advise project teams, and ensure compliance with all contractual obligations Cost Administration & Control Manage high-value packages with high-volume change, maintaining rigorous change control and accurate forecasting Scrutinise and validate cost submissions from consultants and subcontractors against budgets and commercial targets Maintain and update EWN and risk registers; quantify risk exposure and support mitigation strategies Ensure disallowed costs are identified and prevented through auditable, accurate record-keepingCommercial Leadership Influence design teams, project managers, consultants, and subcontractors to embed commercial discipline Present commercial positions confidently to senior stakeholders Assess commercial and project risks associated with change and programme movement Coach and develop commercial team membersProgramme & Technical Oversight Review programmes and understand how schedule movement impacts cost, risk, and contractual entitlement Support design oversight in design, design-and-build, and package management scenarios Identify commercial impacts of design early and mitigate design riskAbout You Essential Experience Proven track record in commercial management on major (£100m+) infrastructure or construction projects Demonstrable experience administering NEC contracts Strong track record managing high-value packages with robust change control and forecasting Experience in cost administration for consultants and subcontractors Formal qualification in RICS, CIOB, or similar with relevant commercial experienceTechnical Competencies Comprehensive knowledge of commercial management across all aspects Familiarity with various forms of contract and integrated reporting Proficiency with commercial IT systems and project control tools Ideally: experience with design, design-and-build, and package management Behavioural Competencies Strategic thinker who balances detail with the bigger picture Confident communicator able to influence senior stakeholders Strong team leader with mentoring and coaching capability Ability to hold your own and defend commercial positions persuasively Highly organised, able to manage deadlines and prioritise in a fast-paced environmentIf you're interested, contact Client Services Manager & Team Lead at Smart4EPC, Jade Ferreira, (url removed), (phone number removed)