Assistant Commercial Manager

Kenaidan and Murphy are excited to announce a joint venture dedicated to bringing global innovation to infrastructure projects across Ontario.

Project Overview:
The Kenaidan Murphy Joint Venture (KMJV) is supporting a major transit infrastructure project in the Niagara/Hamilton Region.

Who we are:
Founded in 1974, Kenaidan continues to be a fixture as a dynamic construction firm dedicated to creating structures that will contribute to the well-being of our community and enhance the fabric of our communities for years to come. Our confidence in our expertise and passion for our work has allowed us to deliver an array of projects with unmatched precision, quality, and efficiency. From general contracting to construction management, we deploy a collaborative approach, embedding innovation and sustainability into every project. #TeamKenaidan

Murphy operates in the United Kingdom, Ireland, Canada and America as a leading international specialist engineering and construction company. Founded in 1951, we are committed to improving life through delivering world-class infrastructure, providing engineered solutions across transportation, natural resources, energy, and water sectors. With around 4,000 engineers, professional managers, and skilled operatives internationally, we work together as One Murphy to ensure project success. #MoveToMurphy .

We are a proud Equal Opportunity Employer, committed to providing employees’ work-life balance with a competitive compensation package including:

• Top wages
• Benefit coverage for you and your dependents
• Employer RRSP contributions (no match required)
• Paid Time Off

We currently have an opening in Niagara/Hamilton ON for a:

Assistant Commercial Manager

The Assistant Commercial Manager will support the commercial management of a major rail/transit infrastructure project. This role works closely with project leadership, subcontractors, and consultants to ensure strong cost control, contract compliance, and overall financial performance of the project.

How will you contribute to the team?

To perform this role successfully, the candidate will be responsible for but not limited to the following:

• Assist in the administration of prime contracts and subcontract agreements
• Support change management processes including tracking, pricing, and negotiating change orders and variations
• Monitor project costs, budgets, and forecasts to ensure alignment with financial objectives
• Assist in preparing cost reports, cash flow forecasts, and monthly financial reviews
• Support cost value reconciliation (CVR) and variance analysis
• Review and process subcontractor payment applications and invoices
• Assist with procurement and commercial onboarding of subcontractors and suppliers
• Identify and track commercial risks and opportunities throughout the project lifecycle
• Support preparation and submission of claims and assist in dispute resolution processes
• Maintain accurate commercial records, including contracts, correspondence, and cost documentation
• Liaise with project teams, consultants, and clients to resolve commercial and contractual issues
• Ensure compliance with contractual obligations and company commercial procedures

Education and Experience:

• Diploma or degree in Construction Management, Engineering, Quantity Surveying, or a related field
• 4–8+ years of experience in commercial management, cost control, or contract administration within construction projects
• Experience working on infrastructure or transit projects is preferred
• Strong understanding of construction contracts, cost management, and procurement processes
• Experience managing subcontractor commercial activities and financial reporting
• Familiarity with contract forms (e.g., CCDC) and commercial documentation
• Strong commercial awareness and analytical skills
• Excellent communication and stakeholder management abilities
• Ability to manage multiple priorities and meet tight deadlines
• Detail-oriented with strong organizational and reporting skills
• Problem-solving mindset with the ability to manage commercial risks proactively
• Working knowledge of commercial and project tools (e.g., Excel, Procore, ERP systems)
• Experience working within Construction Management, Design-Build, Progressive Design-Build, Alliance, or Joint Venture environments is highly desirable.
• Familiarity with Metrolinx, GO Expansion, TTC, municipal, provincial, or public-sector clients is considered a strong asset.

Salary Range:
Between $140,000 - $165,000, depending on experience

Think you're the right fit?

Apply today! Check in regularly for new opportunities on our website or stay up to date by following our social media platforms.

Kenaidan: LinkedIn , Instagram , Murphy: LinkedIn , Instagram .

We are an inclusive and equal opportunity employer committed to providing diversity and accommodation for applicants upon request in accordance with the Accessibility for Ontarians with Disabilities Act (AODA).

The KMJV does not accept resumes from recruitment agencies, employment services or head hunters that are not in a formal contractual arrangement with us. Any resume or other information received from an agency not approved by us will be considered unsolicited and will not be considered. We will not pay any referral, placement or other fee for the supply of such unsolicited resumes or information.

We thank all candidates who apply, however, only those selected for an interview will be contacted.