Accounts Receivable Billing Manager

Position Type:
Full Time

Department:
Finance

Work Location:

Markham, ON

Work Arrangement:
Hybrid

Work Hours:

Monday to Friday - standard business hours

Travel Required:

No

A proudly Canadian company, Sentrex Health Solutions is a fully integrated specialty distributor and patient support provider for pharmaceutical manufacturers, physicians, and their patients. We provide innovative solutions focused on ensuring patients have access and the support they need to maximize their treatment outcomes. We do this through strategic distribution models and patient support programs that are backed by powerful, integrated technology, a dedicated in-house creative agency, and experienced, cross‑functional teams.

Our core capabilities include Specialty Pharmacy Services, Customized Solutions for Warehouse, Wholesale & Distribution, Patient Support Programs, Strategic Creative Services as well as HCP & Clinic Services.

• We are 100% Canadian with locations across the country
• State‑of‑the‑art facilities to provide high‑quality products and services
• The opportunity to be a part of a winning, high‑performing team
• Collaborative, engaging workplace culture – we are passionate about our people!
• Flexible working environment that promotes a healthy work‑life balance
• Diverse and inclusive culture where your talent and commitment to excellence is welcomed and valued
• High‑growth environment that provides opportunities for learning and growth supported by our Employee Development Program and industry‑leading, in‑house corporate training offered throughout the year

The Accounts Receivable Billing Manager is responsible for managing complex, contract‑driven billing processes and overseeing the accounts receivable function for Patient Support Programs and Infusion. This role ensures that invoicing aligns with contractual terms, milestones, and compliance requirements while driving timely and accurate billing to clients. The position plays a critical role in interpreting contracts, managing billing sheet build, and optimizing the contract‑to‑cash cycle.

• Oversee billing operations for contract‑based invoicing for the Patient Support Programs and Infusion Services
• Interpret and apply contract terms to ensure accurate invoicing (billing items, rates, quantities etc.)
• Partner with PSP, PMO, IT, pharmacy, distribution, controllership, legal, and privacy management teams to review contract terms and ensure billing understanding
• Ensure compliance with contractual obligations, regulatory requirements, and internal audit controls
• Ensure billing sheets for all new Patient Support Programs are fully built in alignment with contract terms, accurate and operational from month one
• Supervise accounts receivable billing activities, including compliance, KPI’s
• Lead resolution of billing discrepancies tied to contract interpretation or scope changes
• Establish and maintain billing schedules, contract trackers, KPI’s and documentation systems
• Continuous improvement of contract billing processes, controls, and automation
• Support audits by maintaining clear documentation of contract billing and revenue recognition
• Monthly reporting of billing status
• Other duties as assigned by your manager

• Excellent written and verbal communication skills
• Bachelor’s degree in Accounting, Finance, or related field (CPA or equivalent is an asset)
• 5–10+ years of experience in accounts receivable and contract billing, preferably with Patient Support Programs
• Proven experience managing billing teams and processes
• Contract interpretation and compliance
• Advanced billing and revenue cycle management
• Strong analytical and reconciliation skills
• Attention to detail in high‑complexity environments
• Stakeholder collaboration (legal, project managers, clients)
• Dispute resolution and negotiation
• Process improvement and system optimization

• Your commitment to providing a high level of service to your internal and external clients.
• You are highly adaptable with a track record of success during…