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Billing Specialist

Job in Westmont, DuPage County, Illinois, 60559, USA
Listing for: JOHNSON SERVICE GROUP
Per diem position
Listed on 2026-09-20
Job specializations:
  • Accounting
    Accounts Receivable/ Collections, Accounting Assistant, Bookkeeper/ Accounting Clerk, Accounting & Finance
Salary/Wage Range or Industry Benchmark: 24 - 27 USD Hourly USD 24.00 27.00 HOUR
Job Description & How to Apply Below
Johnson Service Group is looking for a Billing Specialist to join our corporate office in Westmont, IL. This position plays an important role in supporting the day-to-day accounting operations of the company by ensuring accurate and timely client billing and assisting with weekly payroll processes.

The Billing Specialist will work closely with internal teams to maintain accurate financial records, resolve billing discrepancies, and help ensure our clients and employees are supported through efficient and accurate accounting processes. This is a great opportunity for someone who is detail-oriented, organized, and enjoys working in a fast-paced environment where accuracy and follow-through are essential.

This position will be paying $24/hr to $27/hr essential Functions and Responsibilities:

Accurately enter data into Microsoft Dynamics GP for billing set up.

Audit Contractor Start sheets for correct mark ups, billing instructions, contractor schedules and contracts, and identifying other billable items for accuracy.

Audit weekly timecards and time reports to process payroll & billing for 300-1200 people.

Research adjustments for integrity and accuracy including, but not limited to: sick, vacation, holiday, bonuses, rate adjustments, hours adjustments.

Audit and process contractor expense reports.

Invoice weekly, based on frequency and format required for each client.

Reconcile invoices weekly (or as specified per client) to internal aging, customer billing reports and VMS systems.

Track purchase orders weekly for each client as needed and report low balances through the proper channels

Issue invoices to customers following detailed delivery instructions.

Electronically file all change orders, purchase orders, and invoicing documents to proper folders.

Research, Process, and provide Application details for credit memos.

Audit and research Negative Margins and other discrepancies on weekly import sheets

Support collection activities to maximize cash receipts.

Maintain data integrity of employee  the liaison between corporate office and the branch office regarding weekly duties.

Competencies:

To perform the job successfully, an individual should possess the following competencies:

Adaptability:
Adapt to frequent changes in the work environment and manage competing demands.

Dependability:
Consistently arrive at work on-time, follow instructions, and respond to management direction.

Data Manipulation:
Design, extract, manipulate and present data clearly, effectively and accurately.

Interpersonal

Skills:

Maintain confidentiality, remain open to ideas, and exhibit willingness to try new things.

Oral Communication:
Speak clearly and persuasively in positive or negative situations.

Problem Solving:
Identify and resolve problems in a timely manner.

Quality Control:
Demonstrate accuracy, thoroughness, and monitor own work to ensure quality.

Written Communication:
Edit work for proper spelling and grammar, and easily read and interpret written information.

Skills/

Qualifications:

To perform the job successfully, an individual should possess the following skills and qualifications:

Must have computer skills and the ability to learn HRIS system.

Proficient in Microsoft Office and Excel in an intermediate to advanced skill level (v-look ups, basic pivot table, etc.).Detail oriented, sense of urgency, and strong problem-solving skills.

Excellent verbal/written skills and communication skills.

Strong interpersonal skills.

Ability to manage processes and analyze information.

Knowledge of payroll tax with holdings and per diem regulations.

Education and

Work Experience:

Minimum of a High School Diploma2-3 years’ billing experience

Experience with multi-state payroll is preferred

Experience with Microsoft Dynamics GP is preferred

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