If you enjoy accuracy, organization, and working with numbers, this billing-focused administrative role could be a strong next step in your career. Express Employment Professionals is working with a respected employer in the Creve Coeur area seeking a detail-oriented Office Billing Specialist to support accounting, client billing, and financial data entry. This is a great opportunity to grow your skills while being supported by our local Express recruiting team.

About the Opportunity
In this role, you’ll manage billing accuracy, verify invoices and receipts, process client invoices through Microsoft Business Central, maintain audit trails, and ensure proper billing setup for new and existing clients. You’ll also assist with financial data entry, reconciliations, and basic accounting functions while collaborating with sales and operations to ensure accurate billing for service agreements and contract updates.

 

What You’ll Do
• Verify invoices and receipts for accuracy, discrepancies, and documentation completeness
• Initiate and track credit requests when needed
• Process client invoices in Microsoft Business Central
• Confirm charges align with service agreements, upsells, and client expectations
• Maintain clear billing documentation and audit trails for reporting and inquiries
• Ensure accurate billing setup for new clients and updates to existing accounts
• Collaborate with sales and operations to capture contract changes
• Perform basic Business Central functions including journal entries, account reconciliation, and financial data maintenance
• Support general accounting, data entry, and invoicing tasks

 

What You’ll Bring
• Experience in billing, accounting, invoicing, or data entry
• Strong communication skills and professional phone etiquette
• High accuracy, organization, and the ability to multi-task
• Customer service mindset and comfort interacting with internal teams
• Proficiency with Microsoft 365 applications
• Experience with QuickBooks, Business Central, or similar accounting software (training available)

 

Nice-to-Haves
• Background in payroll services, HR technology, or B2B billing
• Experience using SharePoint or Monday.com for workflow and documentation management

 

Why Apply with Express Employment Professionals
• We partner with 250+ local companies in the St. Louis and St. Charles County area
• We often know about office and administrative opportunities before they’re publicly posted
• We have direct access to hiring decision-makers, not just automated systems
• Your application is reviewed by real people who will advocate for you
• One application with Express can connect you to multiple local office and professional roles
• Weekly pay, optional benefits (medical, dental, vision, 401(k)), and on-the-job training

 

Schedule, Pay & Location
• Schedule: Monday–Friday, 8:00 AM – 5:00 PM
• Pay: Earn up to $23.00/hr
• Work Site: 12747 Olive Blvd, Suite 250, St. Louis, MO 63141
• Employment Type: Temp-to-hire through Express Employment Professionals

This position is offered through Express Employment Professionals in the St. Louis / St. Charles County area. You will be employed through Express while working at one of our respected local client companies.

 

How to Apply
Interested in growing your office or billing career? Apply with Express Employment Professionals today! Our team will review your application and reach out directly.