What are the responsibilities and job description for the OFFICE ASSISTANT position at JMT PETROLEUM?
We are seeking a detail-oriented and highly organized Office Administrator with experience in Accounts Payable (AP) and Accounts Receivable (AR). This role supports daily office operations while managing vendor invoices, customer billing, payment processing, and general administrative tasks. The ideal candidate is proactive, accurate, and comfortable multitasking in a fast-paced environment.
Key Responsibilities
Accounts Payable
Receive, review, and code vendor invoices
- Match purchase orders, packing slips, and invoices
- Process weekly check runs, ACH payments, and credit card reconciliations
- Maintain vendor files and ensure timely payments
- Resolve discrepancies with vendors
Accounts Receivable
Generate and send customer invoices
- Apply incoming payments (checks, ACH, credit card)
- Monitor aging reports and follow up on past-due accounts
- Maintain accurate customer records
- Prepare AR reports for management
Administrative / Office Support
Greet visitors and handle incoming calls and emails
- Manage office supplies, ordering, and inventory
- Assist with scheduling, filing, scanning, and document organization
- Support HR or operations tasks as needed (onboarding paperwork, timesheets, etc.)
- Maintain general office cleanliness and organization
- Assist management with special projects
Requirements
2 years experience in AP/AR or bookkeeping
- Proficiency with accounting software (QuickBooks, NetSuite, Sage, or similar)
- Strong Excel and data-entry skills
- Excellent communication and organizational skills
- High attention to detail and accuracy
- Ability to handle confidential information
- Positive attitude and strong customer-service mindset
Job Type: Part-time
Pay: $18.00 - $24.08 per hour
Expected hours: 30 per week
Experience:
- Customer service: 4 years (Required)
Ability to Commute:
- Chewelah, WA 99109 (Required)
Ability to Relocate:
- Chewelah, WA 99109: Relocate before starting work (Preferred)
Work Location: In person
Salary : $18 - $24