Billing & Accounts Receivable Specialist

DNSFilter’s mission is to protect our customers and partners with products they love to use! We are revolutionizing network security by providing fast, accurate, and reliable threat protection and content filtering. We're a rapidly growing company dedicated to creating a safer internet for businesses and organizations worldwide. Leveraging AI-driven threat intelligence, DNSFilter empowers our customers to proactively block threats before they impact their networks. We foster a collaborative, innovative, and results-oriented culture where every team member contributes to our mission of making the internet safer.

As we continue our product-fueled growth by adding new features and broadening our solution to meet the needs of the global market, it's clear there's a missing piece. That's where you come in!

We are looking for a Billing & Accounts Receivable Specialist to serve as the first point of contact for customer billing inquiries, managing the Zendesk billing inbox and resolving routine requests end-to-end. This role will directly support the Finance team by handling day-to-day customer-facing work, freeing team members to focus on other areas of billing execution, payment processing, process improvement, and cross-functional projects.

The ideal candidate is detail-oriented, comfortable working across multiple systems, and confident communicating with customers in a professional, clear tone. They collaborate with senior team members to determine the appropriate level of escalation for complex or non-standard issues.
Eligible candidates have and can work successfully in a small to mid-sized fast-paced, hyper-growth, SaaS start-up or scale-up.

We recognize that people come with a wealth of experience and talent beyond just the technical requirements of a job. If you feel like this job is for you, please apply. We believe diversity of experience and skills, including transferable skills, combined with passion, is a key to innovation and excellence; therefore, we encourage people from all backgrounds to apply to our positions!

In this role you will: 

• Zendesk Billing Support (Primary Focus)
• Monitor and manage the Zendesk billing inbox, responding to customer tickets promptly and accurately with follow up as needed.
• Resolve routine billing inquiries including: sending copies of invoices, updating billing addresses or contact information, answering general billing and payment questions, and directing customers to self-service resources where applicable.
• Identify and escalate more complex issues (e.g., disputed charges, subscription discrepancies, refund requests) to senior billing team members.
• Flag recurring ticket patterns or potential systemic issues (e.g., bugs introduced after product updates) for broader resolution.
• Enterprise Invoice Portal Uploads
• Upload invoices into enterprise customers’ payment portals on their required schedule.
• Ensure accuracy and timeliness of uploads to prevent payment delays.

• Vendor Form Completion
• Complete vendor/supplier forms received from the Sales team or directly from clients.
• Coordinate with internal teams to gather required information as needed.

• Cash Application & AR Support
• Apply customer payments (ACH, wire, check, credit card) to open invoices in NetSuite/Chargebee accurately and timely.
• Research and resolve unapplied cash, short payments, and overpayments; coordinate with customers on remittance details.
• Assist with AR aging review and follow-up on past-due accounts under guidance of senior billing/AR staff.

• Invoice & Billing Accuracy
• Generate, review, and issue invoices, credit memos, and adjustments in accordance with contract terms and company policies.
• Reconcile billing data between CRM, billing system (Chargebee), and ERP (NetSuite) to ensure subscription and revenue accuracy.
• Support proration, true-ups, and mid-term contract changes as directed.

• Month-End Close Support
• Assist with month-end AR close tasks, including invoice cutoff, deferred revenue support schedules, and reconciliations.
• Help prepare AR-related schedules and documentation for internal review and external audits.

• Sales Tax & Compliance
• Verify customer tax exemption certificates and ensure proper setup in Anrok/Chargebee.
• Flag potential sales tax or revenue recognition issues to senior team members.

• Controls & Documentation
• Follow established internal controls over billing, cash application, and customer master data changes.
• Maintain organized records of customer communications, approvals, and supporting documentation for audit readiness.

• General Support
• Assist with ad hoc billing operations tasks as assigned.
• Contribute to maintaining and updating internal documentation in Confluence.
• Participate in team meetings and training to build billing operations knowledge over time.

To qualify for this role you have: 

• 3–4 years of experience in a billing, customer support, or operations role.
• Strong written communication skills with a professional, clear, and friendly tone.
• Comfort working across multiple platforms simultaneously (training will be provided on specific tools).
• Attention to detail and ability to follow documented processes consistently.
• Ability to exercise judgment on when to resolve independently vs. escalate.
• Ability to work hours overlapping with ET hours
• Must be eligible to work in the region of hire without sponsorship from an employer now and/or in the future

Bonus points for: 

• Experience with Netsuite, Zendesk, Chargebee, Salesforce, or similar billing/support platforms.
• Familiarity with SaaS subscription billing models.
• Experience in a B2B environment.

We Offer:

• Pathway to promotion to additional organizational positions and responsibilities based upon results and performance, not just time in the chair.  You help us grow, and we will help you grow.
• Passionate and intelligent colleagues who work hard and have a good time doing it
• Paid company-wide week off at the end of each year
• Flexible Vacation Policy
• Awesome company swag
• Full medical, dental, and vision benefits for US, UK, and Canada-based employees
• Full short-term disability and life benefits; available long-term disability
• Retirement savings account options with vested company matching for qualifying employees
• In-person annual gatherings. Last time we all spent a week on a beach in the Dominican Republic!

DNSFilter is a pay-for-performance organization, which means there is an opportunity to advance your compensation based on performance over time. The hiring base pay is dependent on several factors, including level, function, training, transferable skills, work experience, business needs, and geographic location. As a hybrid company, our compensation reflects the cost of labor across several U.S. and global geographic markets. We pay differently based on those defined markets. Our Talent Team can share more about the specific salary range for the job location during the hiring process.

DNSFilter participates in the E-Verify program.

At DNSFilter, we utilize sophisticated software and tools to identify and eliminate Deepfake candidates. This approach helps us maintain the integrity of our hiring process, ensuring that we select the most qualified and genuine individuals to join our team.

U.S. hiring salary range

$65,000 - $75,000 USD