Job Description

Contractor – Billing & Accounts Receivable Specialist

Location

Union City, CA

Job Summary

We are seeking a  Billing & Accounts Receivable Contractor to support day-to-day invoicing, AR tracking, customer billing, and general accounting activities. This role is ideal for someone who is detail-oriented, proactive, comfortable working cross-functionally, and able to manage multiple accounting priorities in a growing manufacturing environment.

The position can be  full-time or part-time , with a preference for full-time availability.

Key Responsibilities

• Prepare, review, and issue customer invoices accurately and on time
• Validate billing information, including rates, quantities, contract terms, customer purchase orders, and supporting documents
• Monitor accounts receivable aging reports and follow up on overdue accounts
• Reconcile customer accounts and resolve billing or payment discrepancies
• Manage invoice uploads through customer billing portals as needed
• Communicate with customers regarding billing questions and payment status
• Partner with sales and operations teams to resolve invoicing, credit invoice, and payment-related issues
• Support general accounting tasks, including reconciliations, journal entries, and month-end close activities
• Maintain customer sales tax exemption forms and ensure accurate sales tax treatment on invoices
• Prepare AR, invoicing, and collections-related reports
• Identify opportunities to improve billing and AR workflows for better accuracy and efficiency

Qualifications

• 2+ years of experience in billing, invoicing, accounts receivable, or general accounting
• Manufacturing industry experience preferred
• Experience with accounting or ERP systems; Sage experience is a plus
• Strong Microsoft Excel skills, including pivot tables and VLOOKUPs
• Experience with customer invoicing, AR aging, account reconciliation, and collections follow-up
• Strong attention to detail and ability to maintain accuracy in a fast-paced environment
• Good communication skills and ability to work with customers, vendors, internal teams, and management
• Bachelor’s degree in Accounting, Finance, or a related field preferred; equivalent work experience will also be considered
• Knowledge of GAAP and month-end / year-end close processes is a plus

Ideal Candidate

The ideal candidate has hands-on experience supporting  billing, customer invoicing, accounts receivable, reconciliations, and collections follow-up . This person should be comfortable working with cross-functional teams, reviewing billing documentation, resolving discrepancies, and supporting broader accounting operations as needed.

Compensation & Benefits

• Competitive compensation
• Opportunity to gain experience in a high-growth advanced manufacturing environment
• Collaborative and fast-moving team culture
• Exposure to customers in AI infrastructure, data center, and enterprise technology markets

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