Senior Subcontracts Administrator

Construction Ontario 2026-10-09ACCIONA is a global company, leading in the development of regenerative infrastructure that creates a positive impact on society. Our workforce consists of more than 65,000 professionals, present in more than 40 countries across the five continents, all contributing in our mission to design a better planet. Are you a passionate individual who wants to make a difference, promote sustainable development, and find solutions to the biggest global challenges including climate change, overpopulation, and water scarcity? Come and join us in building the infrastructure our planet needs to achieve a sustainable future.We have successfully delivered large infrastructure projects across Canada since 2001. Our leadership and expertise span the entire value chain from research and development through construction, operation and maintenance of projects. Currently involved in some of Canada’s largest infrastructure projects, ACCIONA delivers solutions that contribute to the economic and social progress of the communities in which it operates.
opens in a new tabACCIONA is a global leader in sustainable infrastructure and renewable energy, delivering innovative, forward-thinking solutions in over 40 countries. We’re proud to be shaping some of the most complex and transformative infrastructure projects in North America.
In partnership with Metrolinx, ACCIONA is playing a key role in the design and construction of the Eglinton Crosstown West Extension (ECWE), a 9.2-kilometre westward addition to Toronto’s Line 5 light rail transit network. This major infrastructure project includes seven new stations and installation of rail and systems under a progressive design-build model.
Beyond its technical scope, the ECWE project represents a significant investment in sustainable urban mobility, expected to reduce greenhouse gas emissions by up to 5,800 tonnes annually and eliminate over 6.5 million vehicle trips each year when combined with the full Line 5.
This is a unique opportunity to join a dynamic, multidisciplinary team on a complex, high-value project that supports long-term regional growth and environmental sustainability.The Senior Subcontracts Administrator is responsible for the administration, coordination, and commercial management of subcontracts supporting linewide delivery activities for the Eglinton Crosstown West Extension (ECWE).Trillium Rail Partners (TRP) is delivering the Stations, Rail, and Systems (SRS) package, encompassing the design, construction, integration, testing, and commissioning of key transit infrastructure. Working within a complex, progressive design-build environment, the Senior Subcontracts Administrator provides senior-level subcontract administration support across multiple linewide workstreams and interfaces, ensuring subcontracts are administered in accordance with contractual requirements, project procedures, commercial objectives, and applicable governance requirements.The role works closely with procurement, commercial, construction, project controls, design, quality, and legal teams, as well as subcontractors and suppliers, to manage subcontract administration throughout the project lifecycle. This includes supporting subcontract formation, change management, correspondence, payment administration, claims management, close-out, and maintaining accurate commercial records.Job Description
Subcontract Administration
Lead the day-to-day administration of assigned linewide subcontracts from award through final completion and close-out.Review and interpret subcontract terms and conditions to ensure contractual obligations, deliverables, notices, and commercial requirements are properly understood and administered.Maintain comprehensive subcontract files, registers, correspondence logs, and commercial records.Monitor subcontractor compliance with contractual requirements, including insurance, bonding, reporting, deliverables, milestones, and other obligations.Provide guidance to project teams regarding subcontract administration processes and contractual requirements.Commercial & Contractual Management
Support the administration of complex subcontracts involving major infrastructure, rail, systems, construction, and linewide scopes.Identify contractual risks, obligations, and potential commercial issues and elevate them to the appropriate project and commercial leadership.Support the preparation and administration of contractual notices, correspondence, instructions, and other formal communications.Maintain accurate records to support the project's contractual position.Work with project teams to ensure contractual issues are identified and addressed in a timely manner.Change Management
Lead or support the administration of subcontract changes, variations, change orders, and amendments.Review and coordinate supporting documentation for proposed changes, including scope descriptions, cost submissions, schedules, and technical information.Track change requests and maintain change registers.Coordinate with construction, engineering, project controls, and commercial teams to assess the scope, schedule, and cost impacts of changes.Support negotiation and resolution of subcontract changes in accordance with delegated authority and project procedures.Ensure approved changes are accurately incorporated into subcontract records and commercial forecasts.Payment Administration
Coordinate the review and processing of subcontractor progress payment applications.Verify that payment submissions are supported by appropriate documentation and align with contractual requirements and verified progress.Coordinate with construction and project controls teams to confirm progress, milestones, and completion status.Support the preparation and processing of payment certificates and related documentation.Track payments, commitments, and outstanding commercial matters.Claims & Dispute Management
Support the identification, assessment, and administration of subcontractor claims, notices, and potential disputes.Maintain accurate records of claim-related correspondence, supporting documentation, and key contractual events.Coordinate with commercial, legal, project controls, and project management teams to support claim analysis and response development.Assist in the preparation of contractual responses and documentation supporting dispute avoidance and resolution.Proactively identify issues that could develop into claims or disputes and support timely mitigation.Procurement & Subcontract Formation
Support the procurement and award process for assigned subcontract packages.Coordinate with procurement and technical teams during tendering, bid evaluation, clarifications, and negotiations.Assist with preparation and review of subcontract documents, scopes of work, commercial schedules, and contract exhibits.Support subcontract award recommendations and approval documentation.Ensure executed subcontract documents are properly controlled and communicated to relevant project teams.Stakeholder & Interface Coordination
Work closely with Linewide Construction, Systems, Design, Quality, Project Controls, and Procurement teams to support effective subcontract delivery.Act as a key commercial interface between TRP and assigned subcontractors.Participate in subcontractor meetings and support resolution of contractual and commercial issues.Coordinate with internal stakeholders to ensure technical, schedule, quality, and commercial obligations are aligned.Support management of interfaces between multiple subcontract packages and project workstreams.Reporting & Project Controls
Maintain and report on subcontract status, commitments, changes, payments, claims, and key commercial risks.Prepare regular subcontract administration reports, dashboards, and management updates.Support cost forecasting and reporting by providing accurate subcontract commitment and change information.Coordinate with project controls teams to ensure subcontract information aligns with project budgets and forecasts.Track key contractual dates, notice periods, deliverables, and milestones.Subcontract Close-Out
Lead or support commercial and administrative close-out of assigned subcontracts.Ensure final changes, claims, payment obligations, warranties, releases, and close-out requirements are addressed.Coordinate collection and verification of required close-out documentation.Maintain complete and auditable subcontract records through final completion.Required Skills and Competencies
Bachelor's degree or diploma in Business Administration, Construction Management, Engineering, Quantity Surveying,Commerce, or a related discipline.Minimum 8–10 years of progressive experience in subcontract administration, contract administration, commercial management, or procurement within major construction or infrastructure projects.Demonstrated experience administering complex subcontracts on major infrastructure, transit, rail, heavy civil, or transportation projects.Experience working within a progressive design‑build environment is strongly preferred.Strong experience with change management, progress payments, contractual correspondence, claims, and subcontract close‑out.Experience working with large, multidisciplinary construction and engineering teams.Strong commercial and contractual acumen.Excellent negotiation and stakeholder management skills.Strong analytical and problem‑solving capabilities.Excellent written and verbal communication skills, including preparation of formal contractual correspondence.High level of attention to detail and accuracy.Ability to interpret complex contractual documents and identify potential risks.Strong organizational and time‑management skills.Ability to manage multiple subcontract packages and competing priorities in a fast‑paced project environment.Ability to exercise sound judgment and maintain confidentiality when handling commercially sensitive information.Proficiency with Microsoft Office, particularly Excel and Word.Experience with ERP, procurement, contract management, project controls, or document management systems is an asset.This role offers an annual base salary in the anticipated range of $110,000 – $130,000 CAD, with compensation determined based on experience, qualifications, and internal equity.In addition to base salary, this role includes a total rewards package that supports employee well‑being, development, and long‑term growth, subject to company policies and applicable provincial employment standards, including:Paid vacation and sick leaveGroup benefits and EFAP from your start date, with premiums paid by ACCIONAHealth Spending AccountLearning, development, and internal career opportunitiesRRSP matchingPerformance‑based discretionary bonusShare purchase programACCIONA is committed to fostering, cultivating, and preserving a culture of diversity, equity, and inclusion. We believe that our differences strengthen us and that we should reflect the communities we serve in our workforce.We are also committed to creating an accessible and barrier‑free recruitment process and workplace. We welcome applications from all qualified individuals, including those with disabilities, and we will provide accommodations throughout the hiring process upon request.If you require a disability‑related accommodation at any stage in the recruitment or selection process, please contact Jeremy Lawson at View email address on ca.hrm.tc opens in a new tab. We will work with you to meet your needs.We use AI in our recruitment process.ACCIONA has been given the Top Employer 2022, 2023, 2024 & 2025 certification in Canada, as well as the Top Employers North America 2022, 2023, 2024 & 2025 seal, which certifies the company's commitment to excellence in human resources management and those who focus on putting their people first through their exceptional HR policies. As a company that values diversity as a source of talent, we work to foster an inclusive environment that promotes respect, belonging and engagement so that all people can participate on an equal opportunity basis. We invite everyone to apply regardless of origin, circumstances, background or condition.
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