Alliance Building Services is one of New York City's most trusted and fastest-growing building services firms, backed by nearly 30 years of industry expertise. We are driven by a commitment to excellence, built on the pillars of professional integrity, responsive service, and a strong investment in our people. At Alliance, we believe in building lasting partnerships—not just with our clients, but with every member of our team. Our reputation for quality service and our rapid growth reflect the strength of that philosophy.

Join us and become part of a company where your contribution matters and growth is supported.

We are seeking a detail-oriented and proactive Billing Coordinator to join our accounting team. This hybrid role offers a unique opportunity to contribute to both the accounts payable and billing functions of our organization. The ideal candidate will be highly organized, tech-savvy, and capable of managing multiple responsibilities with accuracy and efficiency.

Key Responsibilities:

• Prepare and process work-ticket invoices accurately and within established turnaround times
• Verify supporting documentation, consolidating multiple work tickets when required
• Perform billing activities outside of core systems (e.g., manual adjustments, consolidated files) when needed
• Upload invoices, documentation, and required data into client billing portals
• Review and reconcile AP expenses tied to billable work, ensuring accuracy and approval
• Respond to high-volume billing inbox inquiries, including client revisions, clarifications, and internal requests
• Process credit/rebill requests and replacement invoices
• Collaborate with Operations, Customer Success, and AP teams to resolve billing discrepancies and support onboarding for new clients
• Maintain accurate billing records, logs, and audit-ready documentation
• · Support continuous process improvement to enhance billing efficiency and accuracy

Minimum Qualifications:

• 2+ years of billing, AR, or related administrative experience; service-industry experience preferred
• Strong attention to detail, organization, and follow-through
• Ability to manage large volumes of transactions with accuracy
• Comfort working in both automated systems and manual workflows
• Experience with client portals and/or ERP systems (WinTeam experience a plus)
• Strong communication skills and ability to work cross-functionally
• Proficiency in Microsoft Excel and general office software

Schedule: Monday-Friday 8:30 AM- 5:30 PM

Salary: $70,000