AR Specialist

Part-Time Accounts Receivable Specialist Bellingham, Washington Remote after training period in person Part-Time | Approximately 20 Hours per Week Compensation: $28–$35 per hour, depending on experience Mills Electric is seeking an experienced Accounts Receivable Specialist to support customer invoicing, contract billing, and collections for our growing electrical construction business. This is a part-time position of approximately 20 hours per week and is ideal for someone with strong accounts receivable and contract billing experience who is organized, detail-oriented, and comfortable taking ownership of invoicing and follow-up. Key Responsibilities Manage invoicing across multiple customer contracts and projects. Review contracts, purchase orders, and customer billing requirements to ensure invoices are accurate and compliant. Prepare and submit invoices in a timely manner, including lump-sum, time-and-material, progress, and other contract-based billing. Track retainage, change orders, billing milestones, and other contract requirements. Monitor accounts receivable aging and proactively follow up on outstanding invoices. Communicate professionally with customers regarding payment status, billing questions, and past-due balances. Identify billing issues that may delay payment and work with internal teams to resolve them quickly. Maintain accurate records of invoices, collections activity, customer correspondence, and payment commitments. Assist with AR reporting and provide visibility into outstanding receivables and potential collection concerns. Qualifications 3+ years of accounts receivable, contract billing, construction accounting, or related experience preferred. Experience managing multiple customer invoices and contracts simultaneously. Strong understanding of contract terms, payment requirements, and billing documentation. Construction, electrical contracting, industrial contracting, or project-based accounting experience preferred. Experience with time-and-material billing, progress billing, retainage, and change orders is a plus. Strong organizational skills and attention to detail. Comfortable communicating directly with customers regarding outstanding receivables. Ability to work independently, manage deadlines, and follow through on outstanding items. Experience with Viewpoint/Spectrum or similar construction accounting software is a plus. What We’re Looking For We are looking for someone who understands that strong accounts receivable management goes beyond simply sending invoices. The right person will stay ahead of billing deadlines, understand customer and contract requirements, follow up consistently on outstanding balances, and help ensure Mills Electric is paid accurately and on time. This position will work closely with our finance team, project managers, and company leadership. Pay Range: $28–$35/hour DOE Benefits 401K Match Schedule: 20 hours per week #J-18808-Ljbffr