Senior Quantity Surveyor — Infrastructure Commercial Lead

PACT; Mississauga; On-site; CAD 150,000 - 190,000; Full time

Job summary

PACT invites a Senior Quantity Surveyor to lead cost planning, budgeting and contract administration for major infrastructure programs in a progressive design-build setting in Mississauga, Ontario. The role emphasizes proactive cost control, risk management and collaborative decision‑making with design, construction and procurement teams.

You will manage changes, forecasts and reports, negotiate claims and support target price development while mentoring junior staff.

Qualifications

• Degree in Quantity Surveying, Construction Management, Engineering or related field.
• 10+ years of experience in quantity surveying or commercial management on large infrastructure projects.
• Experience with progressive design-build or similar delivery models.
• Knowledge of contract forms (CCDC, NEC, FIDIC).
• Proven cost control, forecasting and financial reporting experience.
• Experience with change management, claims and negotiations.
• Strong risk management and cost planning knowledge.
• Experience in multi-stakeholder or joint venture environments is an asset.

Responsibilities

• Lead cost planning, estimating and budgeting across projects or sub-programs.
• Administer contracts and ensure compliance with terms and conditions.
• Monitor costs, forecasts, and cash flow; identify risks and opportunities.
• Prepare, review, and negotiate change orders and claims.
• Support target price development in a progressive design-build environment.
• Analyze costs and recommend value optimization and risk reduction.
• Collaborate with design, construction and procurement to align cost, scope and schedule.
• Manage subcontractor commercial processes including procurement support and final accounts.
• Prepare and present commercial reports including cost-to-complete and variance analysis.
• Support dispute resolution and provide contractual guidance.
• Ensure timely documentation of all commercial activities and correspondence.
• Mentor junior commercial staff as required.

Skills

Cost control

Forecasting

Contract management

Negotiation

Stakeholder management

Excel/Power BI

Communication

Analytical thinking

Risk management

Problem solving

Education

Degree in Quantity Surveying

Tools

Microsoft Excel

Power BI

Job description

PACT invites a Senior Quantity Surveyor to lead cost planning, budgeting and contract administration for major infrastructure programs in a progressive design-build setting in Mississauga, Ontario. The role emphasizes proactive cost control, risk management and collaborative decision‑making with design, construction and procurement teams.

You will manage changes, forecasts and reports, negotiate claims and support target price development while mentoring junior staff.