Billing Associate Jobs in Milwaukee, WI (NOW HIRING)

Accounts Receivable Associate
**We're seeking motivated recent graduates and early-career professionals who are eager to learn, grow, and make an impact. Whether you've completed internships, co-ops, campus leadership roles, or relevant academic projects, we'd love to hear from you.**
Job Description
The Accounts Receivable Associate plays a key role in resolving shipping and billing discrepancies, managing claim resolutions, and supporting accurate financial records. This entry-level position is ideal for individuals with an accounting or finance familiarity who want to grow their career in a reputable, employee-focused organization. You will handle a high volume of resolution cases, collaborate with cross-functional teams, and use analytical skills to ensure customer accounts are accurate and aligned with company policies.
Responsibilities

• Manage and process issue requests related to shipping, billing, and keying discrepancies received from customers, sales teams, branches, and internal departments, ensuring accurate documentation and thorough follow-through.
• Process an average of 25 or more resolution cases per day with strong accuracy and timely follow-up.
• Identify emerging claim trends and escalate concerns and findings to team leads for further review.
• Perform root-cause analysis to identify errors in billing or shipping and initiate appropriate notifications to relevant stakeholders.
• Use sound judgment to evaluate shortage disputes using shipment weight data and determine when to issue denial letters.
• Analyze billing complaints and resolve discrepancies in alignment with established company policies and procedures.
• Initiate credits or product replacements within established authorization limits, ensuring proper documentation and approvals.
• Communicate credit denials professionally and clearly to accounts receivable teams, customers, and internal stakeholders.
• Collaborate with cross-functional teams, including sales, branches, and other internal departments, to resolve discrepancies and provide detailed research updates.
• Obtain and verify proof-of-delivery documents by coordinating with carriers and ensuring documentation is complete and accurate.
• Support accounts receivable activities such as aging report review, reconciliation, and deduction analysis as needed.
• Perform other duties and special projects as assigned to support the accounting and finance function.

Essential Skills

• Bachelor's degree in Accounting or Finance, or a closely related field.
• Foundational knowledge of accounting and accounts receivable processes.
• Ability to process a high volume of resolution cases (25+ per day) with accuracy and attention to detail.
• Strong Excel skills, including proficiency with VLOOKUP functions and pivot tables.
• Proficiency with Microsoft Office applications, including Excel, Word, and Outlook.
• Ability to read and interpret aging reports, perform account reconciliations, and analyze deductions.
• Strong analytical and resolution skills for handling billing and shipping discrepancies.
• Ability to perform root-cause analysis and make sound, data-driven decisions on disputes and denials.
• Clear and professional written and verbal communication skills for interacting with customers and internal teams.
• Ability to collaborate effectively with cross-functional teams and manage multiple tasks in a fast-paced environment.

Additional Skills & Qualifications

• Previous similar role or prior internship experience in accounting, finance, or accounts receivable is preferred.
• Familiarity with Oracle or similar enterprise resource planning (ERP) systems is a plus.
• Experience with cash application, collections, or deduction management is beneficial.
• Strong organizational skills and the ability to prioritize work to meet deadlines.
• Interest in building a long-term career within accounting and finance, with openness to internal mobility and growth opportunities.
• Motivation to learn quickly and adapt to new processes and systems during training.

Work Environment
This role begins with an intensive onsite training period, typically for the first two weeks, to ensure you are fully up to speed on systems, processes, and procedures. After training, the position transitions to a hybrid model in which you work from home four days per week and go onsite once per week, with specific onsite days determined by the team. The environment is fast-paced and detail-oriented, with a strong focus on accuracy, collaboration, and continuous improvement. You will use tools such as Excel, Microsoft Office, and Oracle (or similar systems) to perform your daily tasks. The organization emphasizes an employee-driven culture, offering the opportunity to get your foot in the door with a large, reputable, and growing business, and providing potential for internal movement within the accounting and finance department if you are brought on permanently after the initial contract period.
Job Type & Location
This is a Contract position based out of Brookfield, WI.
Pay and Benefits
The pay range for this position is $20.00 - $23.00/hr.
Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a hybrid position in Brookfield,WI.
Application Deadline
This position is anticipated to close on Sep 16, 2026.
About Aston Carter
Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® Platinum Award winner for both client and talent service.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email astoncarteraccommodation@astoncarter.com for other accommodation options.
San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.
Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.