Accounts Payable Specialist III
Masimo ‚Ä¢ Irvine, CA ‚Ä¢ Full Time ‚Ä¢ $25–$30 / hour
Posted on Tue, Aug 4, 2026
Job Summary:
The Accounts Payable Specialist III is responsible for ensuring that all vendors are paid in a timely manner, while maintaining strict adherence to internal corporate control policies and procedures.
Duties & Responsibilities:
- Process vendor invoices, including but not limited to inventory, other goods receipts, and service-related items
- Research and reconcile vendor open returns to ensure timely receipt and processing of vendor credit memos
- Conduct independent research, follow-up and resolution of PO/variance/matching/receiving issues
- Process vendor debits based on supporting documentation and clear within vendor accounts as needed
- Interface regularly with business partners, including purchasing, requisitioners and vendors to resolve invoice discrepancies
- Reconcile vendors accounts to statement as necessary, including complex vendor activity and goods receipt/invoice receipt discrepancies
- Monitor vendor prepayments and reconcile to monthly activity
- Ensure all invoices have appropriate authorizations and approvals for payment
- Follow consistent accounting rules and review processes within the AP organization
- Assist with A/P month-end close activities and prepare journal entries and accruals
- Perform A/P staff batch review to ensure policy compliance and adherence to internal controls
- Provide excellent customer service to internal and external customers
- Perform other duties or special projects as assigned
Minimum & Preferred Qualifications and Experience:
Minimum Qualifications:
Minimum 5 years of experience processing accounts payable
Concur experience a plus
Intermediate Microsoft Excel and Microsoft Office skills
Inventory payable processing encouraged
Detail-orientation individual who has strong analytical and judgment skills
Demonstrates a strong desire to learn and assume ownership and responsibility
Excellent communication, interpersonal and organizational skills desired to be able to work independently and as a team player
Preferred Qualifications:
Intermediate knowledge and understanding of accounting procedures
Knowledge of GAAP, business principles and standard operating practices
Complex problem solving and analytical skills
Education:
High school diploma or GED is required. Some Accounting college level courses are preferable.
Compensation:
The anticipated hourly range for this position is $25-$30 per hour plus benefits. Actual placement within the range is dependent on multiple factors, including but not limited to skills, education, and experience. Masimo offers benefits such as Medical, Dental, Vision, Life/AD&D, Disability Insurance, 401(k), Vacation, Sick, Holiday, Paid Maternity Leave, Flexible Spending Accounts, voluntary Accident, Critical Illness, Hospital, Long-Term Care, Employee Assistance Program, Pet Insurance, on-site Wellness Clinic, Fitness Center, Café. All benefits are subject to eligibility requirements.
Physical requirements/Work Environment
This position primarily works in an office environment. It requires frequent sitting, standing and walking. Daily use of a computer and other computing and digital devices is required. May stand for extended periods when facilitating meetings or walking in the facilities.
The physical demands of the position described herein are essential functions of the job and employees must be able to successfully perform these tasks for extended periods. Reasonable accommodation may be made for those individuals with real or perceived disabilities to perform the essential functions of the job described.
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