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Processing Assistant Jobs in Ontario, CA (NOW HIRING)

unicare

Back Office - Medical Assistant I

Corona, CA · On-site

$19 - $24/hr

Provide back-up support for the medical assistant team, which includes all functions of a medical assistant. * Assist with intake process, including collecting patient histories, conducting ...

unicare

Back Office - Medical Assistant I

Corona, CA · On-site

$19 - $24/hr

Provide back-up support for the medical assistant team, which includes all functions of a medical assistant. * Assist with intake process, including collecting patient histories, conducting ...

unicare

Back Office - Medical Assistant I- BH-

Fontana, CA

$18.75 - $23.75/hr

Provide back-up support for the medical assistant team, which includes all functions of a medical assistant. * Assist with intake process, including collecting patient histories, conducting ...

unicare

Back Office - Medical Assistant I- BH-

Fontana, CA · On-site

$18.75 - $23.75/hr

Provide back-up support for the medical assistant team, which includes all functions of a medical assistant. * Assist with intake process, including collecting patient histories, conducting ...

Kinetic Personnel Group

Be Seen First

Shop Helpers needed (day shift)

Upland, CA · On-site

$880/wk

Prepare and clean parts prior to processing. * Assist with masking, labeling, packaging, and handling parts. * Perform basic visual inspections and quality checks. * Count, identify, sort, and ...

Zenlayer

Staff Accountant

Diamond Bar, CA · On-site

$57K - $75K/yr

Monitor AP aging and support timely payment processing. * Assist with year-end vendor reporting requirements. Accounts Receivable & Billing Support * Generate customer invoices and apply customer ...

Consultative Search Group

Billing Coordinator

Irvine, CA · On-site

$75K - $100K/yr

Billing: * Assist with client invoice processing, including submission to various e-billing systems. * Support day-to-day billing and invoicing activities, ensuring accurate and timely processing.

Zenlayer, Inc

Staff Accountant

Diamond Bar, CA · On-site

$57K - $75K/yr

Monitor AP aging and support timely payment processing. * Assist with year-end vendor reporting requirements. Accounts Receivable & Billing Support * Generate customer invoices and apply customer ...

Ducommun

General Helper 1st Shift Temp to Hire

Orange, CA · On-site

$16 - $20.50/hr

Transport aircraft/aerospace parts to various designated work areas for processing. * Assist operators in conducting the various shop processes, such as, racking parts, washing parts, striping ...

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All JobsProcessing JobsProcessing Assistant JobsProcessing Assistant Jobs in Ontario, CA

Processing Assistant information

See Ontario, CA salary details

$9

$19

$29

How much do processing assistant jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for processing assistant in Ontario, CA is $19.28, according to ZipRecruiter salary data. Most workers in this role earn between $15.38 and $21.54 per hour, depending on experience, location, and employer.

What is a processing assistant?

Processing Assistants are administrative professionals who support organizations by handling various clerical and operational tasks. Their responsibilities often include data entry, filing, document management, record keeping, and assisting with the processing of paperwork or applications. They help ensure that workflow runs smoothly and efficiently, often serving as a vital link between different departments within an organization. Processing Assistants may work in a variety of settings, such as government agencies, educational institutions, healthcare facilities, or private businesses. Their attention to detail and organizational skills are essential for maintaining accurate records and supporting overall operations.

What are the key skills and qualifications needed to thrive as a processing assistant, and why are they important?

To thrive as a Processing Assistant, you need strong organizational skills, attention to detail, and a high school diploma or equivalent. Familiarity with office software like Microsoft Office Suite and data entry systems is typically required. Effective communication, reliability, and time management are valuable soft skills that help Processing Assistants excel. These abilities ensure accurate processing of information, smooth workflow, and dependable support within administrative teams.

What are some common challenges processing assistants face, and how can they overcome them?

Processing Assistants often manage large volumes of data or documents while meeting strict deadlines, which can be challenging. Staying organized, maintaining attention to detail, and developing effective time-management strategies are crucial for success in this role. Collaborating closely with team members and supervisors also helps ensure accuracy and efficient workflow. Leveraging available software tools and regularly seeking feedback can further help Processing Assistants navigate these challenges and improve their performance.

What is the difference between Processing Assistant vs Data Entry Clerk?

AspectProcessing AssistantData Entry Clerk
Required CredentialsHigh school diploma or equivalent; some roles may require basic certificationsHigh school diploma; familiarity with data management software
Work EnvironmentHealthcare, manufacturing, or administrative settings involving document handlingOffice environments focused on inputting and managing data
Employer & Industry UsageHospitals, warehouses, government agenciesCorporate offices, financial institutions, government agencies
Common Search & ComparisonOften compared for administrative and clerical roles involving processing tasksCompared for roles emphasizing data management and accuracy

The Processing Assistant and Data Entry Clerk roles share similarities in administrative tasks and work environments, but Processing Assistants often handle physical documents and processing workflows, while Data Entry Clerks focus on digital data input and management. Both roles require attention to detail and basic computer skills, but their specific duties and industry applications differ.

What are the most commonly searched types of Processing jobs in Ontario, CA?

The most popular types of Processing jobs in Ontario, CA are:

What cities near Ontario, CA are hiring for Processing Assistant jobs?

Cities near Ontario, CA with the most Processing Assistant job openings:

Processing Assistant jobs near you
Infographic showing various Processing Assistant job openings in Ontario, CA as of August 2026, with employment types broken down into 2% As Needed, 75% Full Time, 20% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $40,094 per year, or $19.3 per hour.

Bilingual Processing Assistant -- Mandarin/English

National Mortgage Staffing

City Of Industry, CA

$42K - $54K/yr

Full-time

Medical, Retirement, PTO

Re-posted 23 days ago

Job description

Position: Bilingual Processing Assistant — Mandarin/English
Location: City of Industry, CA
Work Model: On-Site
Compensation: $42,000–$54,000 depending on experience, plus additional per-file earnings
Schedule: Full-Time | Monday–Friday | 9:00 AM–6:00 PM
Benefits: Paid time off, health insurance contribution, retirement plan, growth opportunities, and team-oriented work environment
Overview
A mortgage company is hiring a Bilingual Processing Assistant to support growing loan processing operations and assist Mandarin- and English-speaking clients, partners, and borrowers.
This is an on-site opportunity for someone who is organized, dependable, professional, and comfortable supporting loan files from application through closing. The right candidate will be able to communicate clearly in both Mandarin and English, manage documentation, coordinate with internal and external partners, and help keep files moving in a fast-paced lending environment.
This role offers room to grow into a full processor or senior operations role over time.
Responsibilities
  • Assist with preparing, organizing, and submitting loan files from application through closing.
  • Communicate with Mandarin- and English-speaking clients, agents, borrowers, and partners.
  • Translate documents and conversations as needed.
  • Collect, review, organize, and track borrower documentation, including income, assets, ID, and title materials.
  • Coordinate with escrow, title, and third-party vendors to support timely closings.
  • Maintain accurate data entry and file management in the loan origination system.
  • Monitor loan conditions and closing timelines.
  • Support loan officers, processors, underwriters, escrow officers, clients, and real estate agents throughout the loan process.
  • Provide professional, client-facing communication in a fast-paced environment.
Qualifications
  • Fully bilingual in Mandarin and English required, including written and spoken proficiency.
  • 1–3 years of experience in mortgage, real estate, financial services, or a related role preferred.
  • Prior experience as a loan processor, processor assistant, transaction coordinator, or similar support role preferred.
  • Strong organizational skills and ability to manage multiple files at once.
  • Professional communication skills and client-facing demeanor.
  • Proficiency with Microsoft Office, including Word, Excel, and Outlook.
  • Ability to learn loan origination systems and document management platforms quickly.
  • Experience with DocuSign, Encompass, Calyx, or similar systems preferred.
  • Familiarity with Conventional and Non-QM loan products preferred.
  • Experience working with Chinese-American clients or international borrowers preferred.
  • Cultural fluency and professionalism when working with Mandarin-speaking clients and partners is highly valued.
National Mortgage Staffing logo

About National Mortgage Staffing

Sourced by ZipRecruiter

We recruit exceptional candidates for many of the nation's top mortgage companies. National Mortgage Staffing is unique as we ONLY staff in the Mortgage Industry. We have widespread knowledge of all positions in this niche industry. Once assigned to a recruiter you will work with that recruiter for all of your open positions. At National Mortgage Staffing, we have one point of contact for all of your recruiting needs. Each Recruiting Specialist is assigned to a specific job division. This recruiter will have an extensive background in the position you are looking to fill. Whether it is Operations or Sales, we have a Recruiting Specialist that will fit your needs.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Fort Myers, FL, US

Year founded

2010

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