Billing Administrator

Current • Springfield, MO

3d • Onsite

About The Position

Abacus is seeking a detail-oriented and organized Billing Administrator to manage invoicing, payment tracking, collections, and billing support. The role ensures accurate financial records, resolves billing discrepancies, and collaborates with internal teams and clients to maintain efficient billing operations. The ideal candidate has strong attention to detail, excellent communication skills, and experience managing billing processes in a fast-paced environment.

The position is preferably on-site in Springfield, Missouri. A hybrid schedule of three days in the office and two days remote may be considered, and fully remote arrangements may be considered for qualified candidates. Remote hires must complete one week of on-site training in Springfield. The standard schedule is Monday through Friday, 8:00 AM to 5:00 PM, with occasional overtime.

Requirements

• Experience with invoicing, payment reconciliation, collections, and financial reporting.
• Strong attention to detail, organization, and problem-solving skills.
• Excellent written and verbal communication skills.
• Proficiency with Microsoft Excel and billing/accounting software.
• Ability to manage multiple priorities, meet deadlines, and work collaboratively across teams.

Nice To Haves

• Associate's degree in Business or a related field preferred.
• 2–4 years of billing, accounts receivable, or related accounting experience preferred.
• Experience in a CPA firm or professional services environment is a plus.

Responsibilities

• Prepare, review, and process client invoices, ensuring accuracy of billing details, project notes, and work-in-progress (WIP) records.
• Review daily receipts and apply payments accurately, resolving discrepancies as needed.
• Manage billing inquiries and communicate with clients and internal teams via email, phone, and Microsoft Teams.
• Monitor accounts receivable, generate aging reports, and follow up on outstanding invoices and overdue balances.
• Process collection records, client refunds, and billing adjustments while maintaining accurate documentation.
• Review and resolve outstanding WIP items, prepayments, and account discrepancies.
• Collaborate across departments to improve billing workflows, resolve issues, and maintain compliance with company policies.
• Assist with staff training on billing procedures and best practices.

Benefits

• Health, dental, and vision insurance, with options for fully paid employee-only health and dental coverage.
• Company-paid life insurance and long-term and short-term disability insurance.
• Ancillary benefits such as supplemental life insurance, critical illness, and accident insurance.
• Classic Safe Harbor 401(k) plan with employer contributions.
• Opportunities for professional growth, learning, and development, including access to Becker and LinkedIn Learning.

What This Job Offers

• Job Type: Full-time
• Education Level: Associate degree