Billing Specialist

Since 2002, Mason Technologies has been a leader in technology integration, proudly certified as a Woman-owned Business Enterprise (WBE) both in NYC and nationally. We design, implement, and service innovative solutions in low-voltage structured cabling, audio visual systems, data centers, and unified security for industries including healthcare, government, higher education, finance, and business. Our family-like environment emphasizes deep care and commitment to our people, clients, and communities.

About the role

We are seeking a detail-oriented, dependable, and professional Billing Specialist to join our growing team. This blended role combines project-based billing responsibilities with client-facing collections. The ideal candidate will be equally comfortable preparing accurate, contract-compliant invoices and proactively communicating with clients to ensure timely payment. Our work heavily involves municipal and government contracts, requiring a thoughtful, professional, and relationship-driven approach.

Responsibilities

• Prepare, review, and issue project-based invoices, including progress billing, milestone billing, and approved change orders
• Ensure all billing aligns with contract terms, job progress, and supporting documentation
• Coordinate with Project Managers, Operations, and Accounting to validate billing accuracy
• Maintain accurate and organized billing records within the accounting/ERP system
• Assist with certified payroll reporting, including prevailing wage and union-related requirements
• Support compliance with union agreements, job cost tracking, and audit requirements
• Conduct proactive outreach via phone and email to follow up on outstanding invoices
• Build and maintain strong relationships with customers, AP contacts, and municipal clients
• Monitor AR aging reports and consistently follow up on overdue accounts
• Investigate and resolve billing discrepancies in a timely and professional manner
• Maintain detailed records of client interactions and collection efforts
• Generate billing, AR aging, and collections reports for management review
• Assist with month-end close processes related to billing
• Collaborate across departments to improve billing accuracy and cash flow efficiency
• Foster an inclusive work culture that incorporates the Mason Family values

Requirements

• 2+ years of experience in accounts receivable, billing, or collections
• Strong preference for experience in construction, low-voltage, electrical, HVAC, or similar project-based industries
• Experience with project-based billing (progress billing, change orders, etc.)
• Certified payroll and prevailing wage experience highly preferred
• Familiarity with union jobs and job cost tracking preferred
• Proficiency in accounting/ERP systems and Microsoft Excel
• Strong attention to detail and organizational skills
• Excellent communication skills—professional, clear, and relationship-focused
• Comfortable handling client communication via phone on a regular basis
• Ability to manage multiple projects, accounts, and deadlines simultaneously
• High school diploma required; Associate’s degree or higher preferred

Benefits

• Comprehensive medical, dental, and vision coverage
• 401k with company matching
• Generous paid time off (holiday, vacation, sick, personal)
• Unlimited growth opportunities
• Family-friendly company events and outings (e.g., Warehouse Jam Sessions, Holiday Parties)
• Weekly treats: Bagel Thursdays and Tuesday lunch catering
• Caring, supportive work environment

Pay

$70,000.00 - $80,000.00 per year

Schedule

Full-time, in-person. Candidates must live within commuting distance of our office; relocation assistance is not provided.