Adecco is currently hiring a Contract Administration & Strategic Accounts Coordinator to support client's national and strategic customer accounts team in Mississauga. An ideal candidate is responsible for supporting the administration, billing, accounts receivable (AR), contract lifecycle management, and customer relationship activities for National and Strategic Accounts. This role acts as a key liaison between customers, account managers, finance teams, collectors, branch operations, and external stakeholders to ensure accurate contract set-up, invoicing, payment collection, pricing compliance, and issue resolution.

Schedule: Monday–Friday | Between 9:00 a.m.–5:00 p.m.

Job Type: 6 months contract with a possibility of extension

Here’s why you should apply:

Paid weekly accurate and on time

Solid health and safety programs

Medical and dental benefits once qualified

Free training programs

New and quicker onboarding process

Key Responsibilities:

Coordinate and support recurring strategic account meetings, including preparation of reports, action item tracking, and follow-up activities.

Maintain and update meeting task lists, agendas, and status reports for strategic account reviews.

Prepare and distribute accounts receivable and customer performance reports for internal and external stakeholders.

Support monthly customer review meetings by providing updated AR reports, payment status updates, and issue resolution summaries.

Prepare and distribute weekly national AR reports and communicate key findings to management and stakeholders.

Contract Administration:

Manage the creation of new national account contracts across assigned portfolios.

Coordinate with Data Management and SAP teams to ensure contracts are accurately established and maintained within company systems.

Review contract details for accuracy, completeness, pricing, billing terms, and compliance with customer agreements.

Manage contract terminations, unit removals, and other contract amendments ensuring effective dates are accurately reflected.

Coordinate invoice adjustments, credits, and re-billing requirements resulting from contract changes.

Maintain and update contract master records and SharePoint-based contract repositories.

Review customer pricing schedules and verify alignment with contractual escalation requirements.

Collaborate with SAP support teams to update pricing structures, labor rates, and contract billing information.





Investigate pricing discrepancies and coordinate resolution with Account Managers and internal stakeholders.

Ensure all contract pricing updates are implemented accurately and on schedule.

Accounts Receivable & Collections Support:

Monitor AR reports and payment status for assigned strategic and national accounts.

Investigate overdue balances and work with branch personnel, collectors, and customers to resolve outstanding receivables.

Proactively communicate with customers regarding payment status, billing inquiries, and collection issues.

Support escalated collection activities by coordinating with Account Managers and customer billing contacts.

Provide status updates and supporting documentation to internal collection teams to facilitate timely account resolution.

Billing & Invoicing Administration:

Monitor invoice processing and billing activities for assigned customers.

Ensure invoices are submitted accurately and on time through applicable customer portals and billing systems.

Assist with invoice submission, tracking, and issue resolution for customer-specific platforms, including Oracle, Amazon, Vendor Café, and other customer portals.

Review invoice rejections, identify root causes, and coordinate corrective actions to ensure successful resubmission.

Serve as the primary point of contact for invoice-related inquiries and documentation requests.

Customer Service & Issue Resolution:

Act as the liaison between customers and internal departments to resolve billing discrepancies, pricing concerns, invoice disputes, and contractual issues.

Coordinate timely resolution of customer inquiries while maintaining strong customer relationships.

Ensure customers receive accurate invoice copies and supporting documentation required for payment processing.

Support customer onboarding activities related to billing, invoicing, and contract administration processes.

Internal Stakeholder Collaboration:

Partner with Finance, AR, Cash Application, Collections, Branch Operations, Data Management, and Account Management teams to support strategic account objectives.





Work closely with cash application teams to resolve unapplied payments and obtain remittance documentation from customers.

Provide guidance and support to branch coordinators regarding national account billing and contract inquiries.

Support internal process improvements and contribute to cross-functional initiatives.

Accounts Maintenance & Data Governance

Maintain accurate customer, contract, billing, and AR information across company systems and SharePoint repositories.

Update and manage master account records for national accounts.

Ensure account notes, customer interactions, and collection activities are documented appropriately within company systems.

Support continuous improvement initiatives related to HighRadius and other AR management platforms.

Review aged unapplied payments and balances requiring write-off consideration.

Ad Hoc Support

Provide administrative, reporting, billing, contract, and customer support as required for National and Strategic Accounts.

Participate in special projects, process improvement initiatives, and other departmental assignments.

Essential functions:

Support National Strategic Accounts team with leads, tenders, quotes, orders, billing, credit adjustments and various documents

Set up and maintain contract and equipment details in SAP and CRM

Manage customer portal registration, provide training and support

Upload work orders and invoices, managing rejections in customer portals

Maintain customer relationship by responding to customer inquiries, providing invoice copies, statements and reports

Responsible for invoicing and monitoring overdue accounts

Reconcile and collect outstanding AR balances on Strategic Accounts, Lead AR Meetings and report weekly AR balances on strategic accounts.

Initiate and coordinate the dispute resolution process

Document details and present results to management

Supports in organizing and attending customer meetings

Assist in general office and administrative tasks

Qualifications:

Post-secondary education in Business Administration or equivalent experience

5+ years of administrative experience, preferably with billing, contracts, AR, or customer account support

Strong Excel skills, including VLOOKUP and PivotTables

Working knowledge of SAP

Experience with customer/vendor portals such as Coupa, Corrigo, Ariba, or similar

Strong communication, organization, problem-solving, and customer service skills

Working knowledge of accounting principles

#J-18808-Ljbffr

📌 Contract Administrator (Ontario)
🏢 Adecco
📍 Ontario