Senior Commercial Manager

At Mace, our purpose is to redefine the boundaries of ambition. We believe in creating places that are responsible, bringing transformative impact to our people, communities, and societies across the globe. To learn more about our purpose, culture, and priorities, visit our strategy site.

Within our consult business we harness our unique combination of leading-edge practical expertise and project delivery consultancy to unlock the potential in every project.

The Project: The Senior Commercial Manager is responsible for leading all commercial, contractual, financial, and risk management activities associated with the Hudson Tunnel Project, one of the largest and most complex transportation infrastructure programs in North America. The role ensures the effective administration of major construction contracts, safeguarding the project's commercial interests while supporting successful delivery of scope, schedule, quality, safety, and budget objectives.

Working closely with project leadership, engineering, construction, procurement, legal, and stakeholder teams, the Senior Commercial Manager will oversee commercial strategy, contract management, cost control, change management, claims avoidance and resolution, and commercial governance across multiple design and construction packages.

• Safety first
  - Going home safe and well
• Client focus
  - Deliver on our promise
• Integrity
  - Always do the right thing
• Create opportunity - for our people to excel

• Develop and implement the commercial management strategy for assigned project packages and contracts.
• Provide strategic commercial advice to project leadership regarding contractual rights, obligations, risks, and opportunities.
• Lead commercial teams supporting design, procurement, construction, and commissioning activities.
• Establish and maintain commercial governance processes, procedures, and reporting requirements.
• Manage the administration of major construction, design-build, professional services, and supplier contracts.
• Ensure compliance with contractual obligations, project requirements, and applicable regulations.
• Lead contract reviews, negotiations, amendments, and commercial closeout activities.
• Monitor contractor performance against contractual deliverables and key milestones.
• Oversee project cost forecasting, budgeting, cash flow management, and financial reporting.
• Monitor project expenditures and commitments to ensure alignment with approved budgets.
• Identify cost-saving opportunities and implement value-engineering initiatives where appropriate.
• Support project controls teams in maintaining accurate cost and commercial performance data.
• Lead evaluation and negotiation of contract variations, change orders, and compensation events.
• Establish robust processes for tracking, pricing, evaluating, and approving changes.
• Ensure timely resolution of commercial impacts arising from design development, site conditions, and construction activities.
• Collaborate with project teams to minimize commercial exposure associated with changes.
• Develop proactive strategies to prevent claims and disputes.
• Manage preparation, evaluation, negotiation, and settlement of contractor and subcontractor claims.
• Coordinate with legal counsel and executive management on high-value or complex disputes.
• Maintain comprehensive records supporting contract administration and claim resolution.
• Identify, assess, and manage commercial and contractual risks throughout the project lifecycle.
• Maintain project risk registers and mitigation plans related to commercial matters.
• Support procurement and project teams in evaluating commercial risks associated with new contracts and procurement activities.
• Provide recommendations to leadership regarding risk transfer and…