Senior Billing Specialist - Government Billing Expert

Mason Technologies Inc.; Deer Park (NY); On-site; USD 80,000 - 100,000; Full time

Benefits offered by this job

Medical, Dental, and Vision Coverage

401k with Matching

Paid Time Off

Unlimited Growth Opportunities

Team Events

Job summary

Mason Technologies Inc. seeks an experienced Senior Billing Specialist to join our Accounting team in Deer Park, NY.

This hands-on role manages project and construction invoices from review through submission, including compliance with government and municipal requirements. The ideal candidate has 5+ years of hands-on billing, strong Excel and ERP proficiency, and the ability to collaborate with Project Managers, Sales, and Clients.

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.
• Construction, electrical, low-voltage, HVAC, engineering, or similar project-based industry experience strongly preferred.
• Experience with government, municipal, public works, or NYC contracts highly preferred.
• Experience with prevailing wage, certified payroll, union projects, and related compliance documentation preferred.
• Experience working with job costing and project accounting is a plus.
• Strong proficiency with Microsoft Excel and accounting/ERP systems.
• Exceptional attention to detail and a demonstrated commitment to billing accuracy.
• Strong organizational skills with the ability to manage multiple projects, customers, and deadlines simultaneously.
• Strong written and verbal communication skills.
• Ability to work independently while collaborating effectively with Project Management and Sales.
• Experience training or mentoring other billing professionals is a plus.

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 experience

Microsoft Excel

Strong communication

Project coordination

Tools

ERP systems

Job description

Mason Technologies Inc. seeks an experienced Senior Billing Specialist to join our Accounting team in Deer Park, NY.

This hands-on role manages project and construction invoices from review through submission, including compliance with government and municipal requirements. The ideal candidate has 5+ years of hands-on billing, strong Excel and ERP proficiency, and the ability to collaborate with Project Managers, Sales, and Clients.