AR Specialist: Contract Billing & Collections (Part-Time, Remote)

Mills Electric; Bellingham (WA); Hybrid; USD 39,000 - 48,000; Part time

Benefits offered by this job

401K Match

Job summary

Mills Electric in Bellingham, WA is seeking a Part-Time Accounts Receivable Specialist to manage invoicing, contract billing, and collections for a growing electrical construction business. This 20-hour per week role offers remote work after an in-person training period and requires strong attention to detail and independent work habits.

You will handle lump-sum, time-and-material, and progress billing, track retainage and milestones, and collaborate with the finance team to keep receivables

Qualifications

• 3+ years in accounts receivable, contract billing, or construction accounting.
• Experience handling multiple invoices and contracts.
• Understanding of contract terms and billing documentation.
• Experience with time-and-material billing, retainage, or change orders is a plus.
• Strong organization and attention to detail.
• Comfortable communicating with customers about receivables.
• Ability to work independently and meet deadlines.
• Experience with Viewpoint/Spectrum or similar software is a plus.

Responsibilities

• Manage invoicing across multiple contracts and projects.
• Review contracts, POs, and billing requirements for accuracy.
• Prepare and submit invoices including lump-sum, time-and-material, and progress billing.
• Track retainage, change orders, milestones.
• Monitor aging and follow up on outstanding invoices.
• Communicate with customers about payment status and past-due balances.
• Identify billing issues and coordinate with internal teams.
• Maintain records of invoices, collections activity, and payments.
• Assist AR reporting and provide visibility into receivables.

Skills

Accounts receivable

Contract billing

Construction accounting

Time management

Detail oriented

Customer communication

Tools

Viewpoint/Spectrum

Job description

Mills Electric in Bellingham, WA is seeking a Part-Time Accounts Receivable Specialist to manage invoicing, contract billing, and collections for a growing electrical construction business. This 20-hour per week role offers remote work after an in-person training period and requires strong attention to detail and independent work habits.

You will handle lump-sum, time-and-material, and progress billing, track retainage and milestones, and collaborate with the finance team to keep receivables