Accounting Clerk

As a vital member of the Accounting Team, the Accounting Clerk supports essential financial operations that ensure accuracy, transparency, and efficiency across the organization. This role directly contributes to our ability to provide exceptional, patient-centered care by maintaining strong financial processes and upholding the highest standards of integrity. We are seeking a detail-oriented, motivated professional who thrives in a mission-driven environment and is committed to excellence in all aspects of financial support.

Qualifications

1+ year of experience in accounting administrative duties

Experience with basic MS Suite applications including Excel and Word

Familiar with processing invoices, billing, vendor communication, etc.

Experience with customer service

Job Description

The Accounting Clerk supports the Claims and Accounting teams by ensuring timely and accurate handling of claims documentation, incoming payments, and related administrative workflows. This role plays a key part in maintaining organized financial records, supporting audit readiness, and ensuring efficient claim and payment processing in a fast-paced, process-driven environment.

Responsibilities include:

• Receive, organize, scan, and file paper claims in alignment with internal controls and documentation standards.

• Maintain detailed logs of claims received and processed to support accurate tracking and reporting.

• Assist with incoming mail distribution, including claims, remittances, and payment-related correspondence.

• Support cash handling processes by organizing payment documentation and assisting with lockbox-related activities.

• Prepare and distribute Explanations of Benefits (EOBs) and other financial correspondence in a timely and accurate manner.

• Perform data entry to support claims processing, reconciliation efforts, and reporting needs.

• Assist with tracking and follow-up on member statements and outstanding items to ensure timely resolution.

• Maintain and update provider and vendor contact records to ensure accurate and efficient financial communications.

• Act as a liaison between Claims, Accounting, and other internal departments to support workflow continuity and resolve issues.

• Support compliance with internal financial controls, documentation standards, and audit requirements.

• Use spreadsheet tools, including Excel, and enterprise resource planning (ERP) systems to manage claims and financial data.

• Provide general administrative support to the Claims and Accounting teams to ensure smooth daily operations.

Job Type & Location

This is a Contract position based out of San Ysidro, CA.

Pay and Benefits

The pay range for this position is $22.00 - $28.00/hr.

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 fully onsite position in San Ysidro,CA.

Application Deadline

This position is anticipated to close on Jul 8, 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 View email address on click.appcast.io (%View email address on click.appcast.io) 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.