Billing Specialist
Waste Harmonics Keter · Stamford, CT · 1 wk ago
AccountingPart-time
Key Responsibilities
- Billing & Invoice Management
- Generate, review, and distribute customer invoices accurately and timely
- Reconcile billing discrepancies by reviewing spreadsheets, operational records, emails, and supporting documentation
- Validate billing data across multiple systems and sources to ensure accuracy
- Maintain organized billing records and supporting documentation
- Absorb and track aging reports, invoice tracking, and billing follow-up activities
Operational Support
- Build and maintain Excel-based reporting and tracking tools to support billing workflows
- Utilize formulas, pivot tables, lookups, and data validation functions to improve efficiency and accuracy
- Collaborate with internal departments to gather information needed to resolve billing issues
- Support continuous improvement initiatives by identifying process gaps and recommending operational enhancements
- Adapt to shifting priorities and support a high-volume operational environment with urgency and accountability
Cross-Functional Collaboration
- Communicate professionally with internal teams regarding invoice questions, disputes, and data clarification
- Partner with Finance and Operations teams to ensure billing consistency and alignment
- Contribute to a positive, collaborative team environment while supporting shared departmental goals
Required Qualifications
- Intermediate to advanced Microsoft Excel skills, including: Pivot Tables, VLOOKUP/XLOOKUP, IF Statements, Data cleanup and reconciliation
- Strong attention to detail and analytical problem-solving skills
- Ability to manage multiple priorities in a fast-paced environment
- Demonstrated ability to work independently and remain organized with minimal oversight
- Strong written and verbal communication skills
- Ability to navigate ambiguity and identify practical solutions proactively
Preferred Qualifications
- Experience in billing, accounts receivable, finance operations, or related administrative functions
- Experience working in a fast-paced, operationally lean, or high-growth environment
- Familiarity with accounting or ERP platforms such as NetSuite, QuickBooks, Sage, or similar systems
- Experience within transportation, logistics, recycling, waste, or service-based industries preferred