Senior Construction Manager

Green Infrastructure Partners•Markham, ON

2d•CA$180,000 - CA$200,000•Hybrid

About The Position

GIP is seeking a Senior Construction Manager to lead major highway and civil projects delivered through collaborative models (e.g., progressive design‑build, alliance/IPD‑style, early contractor involvement, design‑assist) within its Major Projects division in Ontario. The successful candidate will drive best‑value solutions through early contractor involvement, transparent commercial frameworks, and a strong focus on safety, quality, schedule, and cost.

Requirements

12–15+ years of progressive project management experience in heavy civil/highway infrastructure, with several years leading major projects (typically 50M+).
Direct experience delivering projects under collaborative/alternative models such as progressive design build, alliance/IPD, PPP, or cost plus design assist.
Degree in civil engineering or related discipline; P.Eng in Ontario (or eligibility) strongly preferred.
Proven track record managing complex highway, bridge, or urban civil projects in Ontario, including staging under traffic and multi stakeholder environments.
Strong commercial acumen in cost control, open book contracts, target cost/GMP development, and risk/reward sharing.
Proficiency with project management tools for schedule, cost, and document control.
Strong leadership with the ability to build and sustain collaborative, high‑performance teams across multiple organizations.
Excellent communication and negotiation skills, with confidence engaging owners, partners, regulators, and community stakeholders.
Strategic, solutions‑oriented mindset with sound judgement and a high commitment to safety, sustainability, and continuous improvement.

Responsibilities

Lead end to end delivery of large highway/civil projects from early planning and design development through construction, commissioning, and handover under collaborative delivery models.
Establish and manage collaborative project structures, including integrated project teams, shared governance, and joint project offices with owners, designers, and key trade partners.
Develop and manage project execution plans, schedules, risk registers, and target cost/GMP models in partnership with estimating, commercial, and design leads.
Oversee design development with engineering partners, ensuring constructability, staging, traffic management, and lifecycle considerations are embedded early.
Manage cost control, forecasting, and change management, including open book cost reporting and risk/reward mechanisms consistent with the chosen model.
Champion a “one team” culture focused on problem solving, early issue escalation, and transparent communication with internal teams, clients, consultants, and stakeholders.
Ensure rigorous adherence to safety, environmental, and quality management systems, leading by example in both field and office environments.
Support procurement and management of key subcontractors and suppliers, ensuring alignment with collaborative principles and project risk allocations.
Mentor and develop project engineers, coordinators, and junior project managers within the Major Projects group.
Lead business development and pre award activities on major pursuits, including RFQ/RFP responses, commercial model input, and client presentations.