Senior Billing Specialist - Construction Invoicing

Mason Technologies Inc.; Deer Park, Northern (NY, KY); Hybrid; USD 80,000 - 100,000; Full time

Benefits offered by this job

Medical benefits

401k with matching

Paid time off

Unlimited growth

Family-friendly events

Bagel Thursdays

Caring ownership

Job summary

Mason Technologies Inc. is seeking an experienced Senior Billing Specialist to join our Accounting team in Deer Park, NY. This hands-on billing role requires preparing, reviewing, and submitting invoices for municipal and government projects, with detailed documentary support and compliance.

You will collaborate with Project Managers, Sales, and Clients to resolve discrepancies and mentor junior staff. The ideal candidate will have 5+ years in project/construction billing, strong Excel and ERP

Qualifications

• 5+ years of hands-on project or construction billing experience.
• Must have personally prepared, reviewed, and submitted invoices from start to finish.
• Strong understanding of progress billing, milestone billing, change orders, contract billing, retainage, and time-and-material billing.
• Experience interpreting contracts, purchase orders, and customer-specific billing requirements.
• Strong proficiency with Microsoft Excel and accounting/ERP systems.

Responsibilities

• Prepare, review, and submit progress, milestone, contract, time-and-material, and change-order invoices.
• Review contracts, purchase orders, schedules of values, project documentation, labor, materials, and approved change orders to ensure billing accuracy.
• Ensure invoices comply with customer-specific, contractual, and government/municipal billing requirements.
• Prepare and coordinate required billing documentation, including prevailing wage, certified payroll, timesheets, sign-in/sign-out records, and other compliance documentation.
• Work closely with Project Managers and Sales to obtain required information and resolve billing discrepancies.
• Review project costs and supporting documentation to identify missing, incorrect, or inconsistent information before invoices are submitted.
• Research and correct rejected invoices and billing issues and coordinate timely resubmission.
• Maintain accurate and organized billing records within accounting/ERP systems.
• Track billing schedules and customer deadlines to ensure invoices are submitted accurately and on time.
• Assist with month-end billing activities, reporting, and project closeout billing.
• Monitor billing status across multiple projects and identify potential issues that could delay invoicing.
• Help establish and improve billing procedures, controls, and documentation standards.
• Identify recurring billing issues and recommend process improvements to reduce invoice rejections and delays.
• Serve as a resource for complex billing questions and assist with training and mentoring additional billing team members as the department grows.

Skills

Billing knowledge

Attention to detail

Communication skills

Independent work

Project coordination

Tools

Microsoft Excel

Accounting/ERP systems

Job description

Mason Technologies Inc. is seeking an experienced Senior Billing Specialist to join our Accounting team in Deer Park, NY. This hands-on billing role requires preparing, reviewing, and submitting invoices for municipal and government projects, with detailed documentary support and compliance.

You will collaborate with Project Managers, Sales, and Clients to resolve discrepancies and mentor junior staff. The ideal candidate will have 5+ years in project/construction billing, strong Excel and ERP