Homelessness is the largest social and public health crisis in California. Illumination Health + Home is a growing non-profit organization dedicated towards disrupting the cycle of homelessness by providing targeted, interdisciplinary services in our recuperative care centers, emergency shelters, housing services and children's and family programs. IF currently has 13+ facilities with 22+ micro-communities scattered across Orange County, Los Angeles County and the Inland Empire.

Role

Accounts Payable (A/P) Supervisor needed for a growing non-profit based in Orange County. The Accounts Payable Supervisor will own the organization’s vendor payment processes with accuracy, efficiency, and integrity. This role will manage the A/P team, develop strong vendor relationships, and ensure timely and accurate processing of payables while supporting overall financial operations. The ideal candidate is both operationally strong and a confident communicator who can work effectively with internal stakeholders and external partners.

The schedule for this position is Monday - Friday, 8:30am to 5:00pm.

Responsibilities

• Oversee daily A/P operations including invoice receipt, validation, coding, and timely processing of payments.
• Ensure adjustments, reimbursements, and vendor credits are processed accurately.
  Maintain strong understanding of basic accounting principles to support correct application of expenses. Reconcile vendor statements and resolve discrepancies.
• Support month-end close tasks related to A/P and communicate with Accounting/Finance leadership on outstanding items.
• Manage, coach, and develop a team of A/P professionals; build efficient workflows and training documentation.
• Set performance expectations and guide professional development for direct reports.
• Serve as primary point of contact for vendor inquiries, payment clarifications, and A/P disputes.
• Cultivate strong, responsive relationships with vendors and internal teams across departments.
• Communicate effectively at all organizational levels with professionalism and clarity.
• Support system implementations, upgrades, and integrations for financial systems and tools.
• Drive process improvements to enhance operational efficiency and compliance.

Preferred Experience/ Minimum Qualifications
Required:

• 2–3 years’ experience managing an Accounts Payable team or similar function.

• Strong knowledge of accounts payable functions: processing, adjustments, payments, reconciliations, and basic accounting concepts.

• Excellent communication skills — comfortable engaging with vendors and all levels of staff.
  

• High standards for timeliness, accuracy, and financial integrity.

• Experience in nonprofit accounting environment.

• Proficiency with financial software such as QuickBooks Desktop, Bill.com, Concur, and/or NetSuite.

• Strong organizational and analytical skills with a proactive problem-solving mindset.

Preferred:

• Proficiency in Google Suite (Mail, Docs, Sheets, Calendar).

Benefits

• Medical Insurance funded by Illumination Health + Home (Kaiser and Blue Shield), depending on the plan
• Dental and Vision Insurance
• Life, AD&D and LTD Insurance funded 100% by Illumination Foundation
• Employee Assistance Program
• Professional Development Reimbursement
• 401K with Company Matching
• 15 days' vacation PTO/year
• 6 days sick PTO/year
• 10 days holiday PTO/year
• Potential eligibility for the Public Service Loan Forgiveness Program (PSFL) for federally qualified loans