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Automatic Data Processing · San Dimas, CA

# Service Delivery Processing Specialist (Tax Processor)

San Dimas, California, United States Full-time Finance & Accounting 

Listed on Automatic Data Processing’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there.
[Apply on Automatic Data Processing’s careers site →](https://jobs.adp.com/en/jobs/279853/service-delivery-processing-specialist-tax-processor/)

[OpenNash Jobs](https://jobs.opennash.com/) / [Automatic Data Processing](https://jobs.opennash.com/companies/automatic-data-processing/) / Service Delivery Processing Specialist (Tax Processor)

## Job description

ADP is hiring a Tax Processing Specialist Are you ready to join a company offering career advancement opportunities throughout your career journey? Do you want to join a company with award-winning training and world-class service guidelines to help you achieve success, growth, and continued learning? Are you looking for an inclusive environment with a culture of collaboration and belonging? Well, this may be the role for you.

Ready to make your mark? In this role, you will perform amended filing functions as assigned. Meets both quality and production standards established for this level. Respond to Agency, Payroll Center and Client inquiries in a professional and timely manner. Monitor established turnaround guidelines. Ready to #MakeYourMark? Apply now! To learn more about Client Services at ADP, watch here: [https://adp.careers/Client_Services_Videos](https://adp.careers/Client_Services_Videos) What you’ll do:

### Responsibilities

What you can expect on a typical day: File/original and late original tax returns timely in accordance with Agency, Region and Client requirements. Research client, agency and payroll center inquiries and respond in a timely, accurate and professional manner. Complete special projects as assigned by supervisor. Assist in training of new employees and procedures. Develops and updates current filing/research records and procedure.

Telephone contact with internal and external areas. Performs other related duties as assigned by management.

### Requirements

Thorough knowledge of research and filing procedures and resources. Thorough knowledge of the automated tax system. Strong analytical and mathematical skills. Meets deadlines with accuracy. Organizational skills are a must. Good written and verbal communication skills. You can work overtime hours during peak seasons. High School Diploma

## Qualifications

### Preferred Qualifications

Multi-Jurisdiction filing experience

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Oct 11, 2026
- Last checked: Oct 18, 2026
- Listed for: 7 days
- Location: San Dimas, California, United States
- Employment type: Full-time[Apply on Automatic Data Processing’s careers site →](https://jobs.adp.com/en/jobs/279853/service-delivery-processing-specialist-tax-processor/)

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