Job Title: AR Billing Specialist 
Location: Chicago 
Reports to: Corporate Controller 

About Us  

Zentro is one of the largest independent internet service providers focused exclusively on multi-dwelling units (MDUs) in the United States. Following our recent merger with BAI Connect, Zentro now serves over 100,000 subscribers across key markets including Chicago, Los Angeles, and Detroit. 

We specialize in delivering bulk internet and managed Wi-Fi solutions purpose-built for apartment communities, high-rises, and mixed-use developments. Our fully owned network infrastructure, resident-first support model, and tailored technology stack enable us to offer a refreshingly different alternative to legacy providers—one rooted in simplicity, reliability, and satisfaction. 

Role Overview 

The AR Billing Specialist plays a key role in ensuring accurate and timely billing and cash collections for Zentro’s bulk and commercial customers. This position is responsible for managing end-to-end billing processes, maintaining accurate records in financial systems, and collaborating across teams to resolve discrepancies. The specialist will serve as a primary point of contact for billing inquiries, supporting both internal stakeholders and external customers with professionalism and attention to detail. This role directly contributes to the company’s financial health by driving timely collections, clear reporting, and efficient billing operations. 

Essential Duties and Responsibilities:  

Billing / Accounts Receivable 

• Directly manage the billing of Bulk and Commercial contracts 

• Provide excellent customer service to internal and external clients to address billing related concerns promptly and professionally 

• Assist in the development and implementation of written billing policies and procedures that will be used by others in resolving or escalating issues.  

• Monitor our accounts receivable, apply payments, and manage our collections efforts to ensure timely cash flow.   

• Coordinate with Legal and supervise third party collection agency resources  

• Closely collaborate with our Sales and Account Management team to resolve billing and payment issues  

• Publish a weekly account receivable report with commentary on largest outstanding balance accounts  

• Work closely with the accounting team and contribute to month-end financial close processes  

Reporting 

• Weekly presentation of A/R Aging Report and monthly KPIs 

• Creating reports as needed 

Qualifications: 

• Associate Degree in Accounting or related strongly preferred. 

• Strong proficiencies in financial ERP software (such as Netsuite or Acumatica) and billing systems (telecom OSS/BSS experience a plus)  

• Excellent communication skills, both written and verbal  

• Exceptional attention to detail and accuracy  

• Strong problem-solving and analytical skills  

• Ability to work collaboratively in a team environment  

• Solid understanding of billing regulations and GAAP  

• Billing system migration experience is a plus.  

Compensation 

• Salary: $70K-$80K annually + Bonus Opportunities 

• Health and Dental benefits; paid vacation, sick leave, and holidays; and more great perks. 

Schedule 

• Monday-Friday 8 am-5 pm 

• This is a hybrid position that offers work from home flexibility.