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Accounts Payable Supervisor

Los Angeles, California, United States

About Altior Healthcare

Our family of services comprises three distinct mental health treatment programs, including a specialized program for US Veterans. With over 15 unique locations, we manage and support 500+ dedicated employees serving over 300 residential clients daily located across five states: California, Idaho, Maine, New Hampshire, and Texas.

Paradigm Treatment (West Coast) and Ridge RTC (East Coast) partner together under Altior, united by a shared commitment to providing exceptional mental health care. For over a decade, our core clinical and support teams have worked side-by-side, delivering compassionate, evidence-based treatment that changes lives.

As part of the Altior network, you’ll find the stability of an established organization with the heart of a close-knit treatment community where every role matters.

The Accounts Payable Supervisor is responsible for overseeing the daily operations of the accounts payable department, ensuring accurate, timely, and compliant processing of invoices, payments, reconciliations, and financial transactions.

This role provides leadership and guidance to two (2) AP staff while partnering closely with accounting, finance, operations, and executive leadership to support organizational financial objectives. The Accounts Payable Supervisor will play a key role in driving process improvements, maintaining internal controls, supporting month-end and audit activities, and optimizing AP systems and workflows to enhance operational efficiency and scalability.

Key Responsibilities:

· Oversee the full accounts payable cycle, including invoice receipt, coding, approval workflows, and payment processing to ensure accurate and timely disbursements.

· Perform and provide backup support for daily AP operations, including invoice entry, coding, ACH/wire/check payments, vendor portal management, and issue resolution to ensure business continuity.

· Maintain strong internal controls, segregation of duties, and compliance with company policies.

· Support fraud prevention efforts, audits, 1099 reporting, reconciliations, and month-end close activities.

· Manage vendor onboarding, records, inquiries, discrepancies, payment terms, and opportunities for early payment discounts while partnering with Procurement, Accounting, Operations, and Treasury teams to resolve escalations and improve processes.

· Supervise, coach, and develop AP team members by establishing performance expectations, monitoring workloads, ensuring deadlines are met, and fostering a collaborative and accountable team environment.

· Develop, document, and maintain AP procedures, training materials, and policy guidance.

· Recommend staffing, workflow, and operational improvements as business needs evolve.

· Lead and support process optimization initiatives, including system enhancements and automation efforts.

· Track and improve key AP performance metrics such as invoice cycle time, accuracy, and on-time payments.

 

Required Skills and Experience:

· 5-7 years of progressive accounts payable experience, including 2 years experience leading AP staff.

· Strong accounting knowledge and understanding of transaction flow.

· Experience supporting audits and maintaining strong internal controls.

· Experience with high volume invoice processing in a fast-paced environment.

· Strong attention to detail and organization.

· Customer-service-oriented mindset and the ability to work with multiple teams and handle escalations in a timely manner.

· Experience with other enterprise ERP systems (i.e. Microsoft Dynamics 365, Sage, Acumatica is preferred).

· Microsoft Excel (Intermediate level)

 

Education:

· Bachelor’s degree in accounting, finance or related field.

 

 

Salary Range

$85,000 - $95,000 USD

Benefits

  • Comprehensive benefits package: medical, dental, and vision.
  • 401k with 4% match.
  • Paid Time Off Programs including vacation, holidays, and illness.
  • Chef made meals onsite.
  • Continuing Education Assistance.
  • Supportive clinical supervision and professional development.

Altior Healthcare is an Equal Opportunity Employer and considers applicants for employment without regard to race, color, religion, sex, orientation, national origin, age, disability, genetics or any other basis forbidden under federal, state, or local law.

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