Billing Specialist

Founded in 1989 and headquartered in Sparrows Point, Maryland, North American Millwright Services (NAMS) is aprivately held industrial services and solutions provider with more than 35 years of experience delivering high-quality,precision work. We specialize in fabrication, general contracting, heavy hauling, industrial maintenance, machinery installation, plant relocation, process piping and welding, rigging, and warehousing, supporting complex, mission-critical operations across a wide range of industries.

NAMS operates throughout the Chesapeake region, including Delaware,Maryland, Virginia, and West Virginia, and continues to expand our geographic footprint and service capabilities beyond these areas. Our work combines skilled craftsmanship, modern equipment, and a strong safety-first mindset to deliver

reliable, efficient results. As we grow, we remain committed to investing in our people, advancing our technical capabilities, and fostering a professional, team-oriented culture where employees can build long-term careers within a stable and expanding organization.

Company Website:

• Company-Funded Health Reimbursement Arrangement (HRA)
• 401(k) Retirement Plan with up to 8% Match

The Billing Specialist plays a key role in supporting the company’s billing processes and the administration of customer receivables. This position assists with project billing, invoice preparation, and account reconciliations while helping maintain accurate financial records in accordance with internal accounting policies. The role also supports customer billing inquiries, manages billing-related correspondence, and assists in resolving invoice discrepancies in a timely and professional manner.

This position reports to the Assistant Controller.

Compensation Range: $25.00/hour to $30.00/hour

• Assist with preparing and processing project billings, including AIA progress billings, time-and-materials invoices, change orders, and retention tracking.
• Review billing documentation for accuracy and completeness prior to invoice submission.
• Identify and assist in resolving billing discrepancies by coordinating with project managers, estimators, and field personnel.
• Post customer payments, apply payments to the appropriate invoices, and maintain accurate customer account records.
• Support collections efforts by monitoring aging reports and following up on past-due balances as directed.
• Assist with customer billing inquiries and manage billing-related correspondence in a timely and professional manner.
• Maintain accurate billing and accounts receivable records within the accounting system, including invoice status, retainage, and customer balances.
• Assist with monthly, quarterly, and year-end close activities related to billing and accounts receivable, including reconciliations and reporting support.
• Work closely with project teams to ensure billing aligns with contract terms, approved schedules of values, and job cost data.
• Ensure compliance with company accounting policies, construction industry standards, and contractual billing requirements.
• Provide general administrative and accounting support to the finance department as needed.
• Perform additional duties as assigned.

• High school diploma or equivalent required; associate degree in accounting, business, or a related field preferred.
• Minimum of 2 years of experience in billing support, accounts receivable, or general accounting support preferred.
• Experience with construction billing, AIA applications, or accounting software (such as Foundation) is a plus.
• Experience supporting collections activities or customer account follow-up preferred.
• Proficiency in Microsoft Office, including Outlook, Word, and Excel.
• Strong attention to detail with a high level of accuracy in data entry and financial documentation.
• Ability to prioritize tasks, manage multiple deadlines, and work effectively in a fast-paced, deadline-driven environment.
• Strong verbal and written communication skills for interacting with project teams, customers, and accounting staff.
• Ability to handle sensitive financial and customer information with discretion and professionalism.
• Ability to work independently while effectively supporting the accounting and project operations teams.

• Prolonged periods sitting at a desk and working on a computer.
• Ability to walk, sit, stand, balance, stoop, bend, push, pull, lift, and reach.
• Use of both hands; vision, hearing, and ability to communicate clearly.
• Ability to lift up to 25 pounds as needed.

Entry level

Full-time

• Accounting/Auditing and Finance

• Commercial and Industrial Machinery Maintenance

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