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A/R Specialist

Avantor
$51,500.00 - $83,375.00
United States, California, Carpinteria
Jul 07, 2026
The Opportunity:

At Avantor, people are the most important part of our success because they drive our global performance. That's why our Operations, Lab Services, Sales, and many other Avantor teams rely on our talent acquisition initiatives to attract, engage and hire the right talent. Avantor's Accounting team is a crucial part of this mix, enabling all our internal teams worldwide to grow beyond their limits.

Avantor is seeking an A/R Specialist to support our Nusil Credit & Collection team. This role is responsible for collecting outstanding customer balances in order to optimize company cash flow. In this role, you will collect revenue by following up with delinquent accounts, notifying customers of insufficient payments, and resolving account discrepancies. The ideal candidate is detail oriented with excellent customer service to collect outstanding balances.

This position reports to the Nusil Accounts Receivable Manager and sits at our Carpinteria, CA location.

What we're looking for

  • Education: High school diploma required; Bachelor's or Associate's degree in Accounting or Finance preferred.
  • Experience:
  • Minimum 1-3 years of experience in accounts receivable, cash applications, or corporate accounting.
  • Microsoft Excel (Intermediate) proficiency, able to work with pivot tables, sort/filter, and lookups
  • Proficient with ERP systems, SAP experience preferred

Who you are

  • Excellent verbal and written communication skills.
  • Analytical skills, ability to prioritize and multi-task to meet deadlines
  • Detail oriented, attention to detail, and proficient data entry skills
  • Ability to work under pressure and manage difficult situations

How you will create an impact

  • Communicate with assigned customers to collect payments on outstanding invoices
  • Provide invoices, proof of delivery and customer order documentation to the customer as required as part of the collection process.
  • Monitor aging reports to proactively identify, prioritize and track delinquent status of assigned customer accounts, and follow up as necessary
  • Resolve billing disputes and short payments by partnering with the Commercial and Customer Care teams.
  • Apply customer payments to appropriate accounts in SAP, based on payment support from the bank or customer remittance information.
  • Applies credit/debit memos in customers' accounts.
  • Recommends and implements action plans for delinquent accounts. Holds meetings with customer and the corresponding associates to follow up on collection issues.
  • Maintains accurate, up to date account balances, reconciling with customer, including by issuing statements of account as necessary.
  • Identifies accounts with credit balances and initiates refund process where appropriate
  • Assists with preparation of monthly collection forecast and determines variance vs actual
  • Handling advance payments by coordinating with the customer and Customer Care team.
  • Keeps electronic customer files updated
  • Perform other duties as assigned.
Disclaimer:

The above statements are intended to describe the general nature and level of work being performed by employees assigned to this classification. They are not intended to be construed as an exhaustive list of all responsibilities, duties and skills required of employees assigned to this position. Avantor is proud to be an equal opportunity employer.

Why Avantor?

Dare to go further in your career. Join our global team of 14,000+ associates whose passion for discovery and determination to overcome challenges relentlessly advances life-changing science.

The work we do changes people's lives for the better. It brings new patient treatments and therapies to market, giving a cancer survivor the chance to walk his daughter down the aisle. It enables medical devices that help a little boy hear his mom's voice for the first time. Outcomes such as these create unlimited opportunities for you to contribute your talents, learn new skills and grow your career at Avantor.

We are committed to helping you on this journey through our diverse, equitable and inclusive culture which includes learning experiences to support your career growth and success. At Avantor, dare to go further and see how the impact of your contributions set science in motion to create a better world. Apply today!

Pay Transparency:

The expected pre-tax pay for this position is

$51,500.00 - $83,375.00

Actual pay may differ depending on relevant factors such as prior experience and geographic location.

EEO Statement:

We are an Equal Employment/Affirmative Action employer and VEVRAA Federal Contractor. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state/province, or local law.

If you need a reasonable accommodation for any part of the employment process, please contact us by email at recruiting@avantorsciences.comand let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis. Please note that only inquiries concerning a request for reasonable accommodation will be responded to from this email address.

For more information about equal employment opportunity protections, please view the Know Your Rights poster.

Privacy Policy:

We will use the personal information that you have submitted to us in order to consider your application for the relevant role.

Your privacy is important to us. Please click here for our Privacy Policy which explains the purposes for which we will use your personal information and the ways in which we will handle and retain your information. It also explains the rights you have in relation to your information, and how to contact us with any queries or requests.

3rd Party Non-Solicitation Policy:

By submitting candidates without having been formally assigned on and contracted for a specific job requisition by Avantor, or by failing to comply with the Avantor recruitment process, you forfeit any fee on the submitted candidates, regardless of your usual terms and conditions. Avantor works with a preferred supplier list and will take the initiative to engage with recruitment agencies based on its needs and will not be accepting any form of solicitation.

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