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🥝 Senior Billing Specialist - US Entities

Sia | Toronto, Canada | Posted March 23, 2026

Job Description

Job Description

Senior Billing Specialist - US Entities 

  • This is a hybrid position in Toronto or Montreal.

  • Permanent 

  • Hybrid model - up to 4x/week

As Senior Billing Specialist for our US entities, your key responsibilities will be:

  • Lead monthly closing activities, including reconciliations, journal entries, and financial reporting
  • Investigate and resolve accounting issues and discrepancies promptly
  • Prepare and analyze financial statements and management reports
  • Support process improvements and ensure accuracy of financial data across systems
  • Collaborate with cross-functional teams to ensure timely and accurate information flow
  • Manage and problem-solve transactional accounting activities as needed (AP, AR, bank recs, etc.)
  • Work independently in a fast-paced environment and meet tight deadlines

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