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600 processing assistant jobs at 199 companies in Mission Viejo, CA

1mo
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Production Processing Assistant
Carson, California, United States
$21-$25/hr OnsiteFull Time
Singer Vehicle Design
Singer Vehicle Design: Restores and reimagines classic Porsche 911 automobiles.
2+ YOEHigh school diploma, 2+ years related automotive or manufacturing experience. Ability to disassemble/assemble parts, perform quality testing, manage inventory in MRP, and use Microsoft Office. Strong communication and teamwork skills.
Microsoft Office Suite, MRP
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1w
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Production Processing Assistant
Carson, California, United States
$21-$25/hr OnsiteFull Time
Singer Vehicle Design
Singer Vehicle Design: A that restores and reimagines Porsche 911s with attention to detail and craftsmanship.
2+ YOEHigh school diploma or equivalent, 2+ years automotive parts or manufacturing experience, basic Microsoft Office skills, ability to follow work instructions and multitask.
Microsoft Office
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8h
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LEGAL PROCESSING ASSISTANT I/II (FLEX)
San Bernardino County, California, United States
$47k-$60k/yr OnsiteFull Time
Superior Court of California, County of San Bernardino
Superior Court of California, County of San Bernardino: Manages judicial proceedings and legal cases in San Bernardino.
0.5+ YOEHigh school diploma or GED and at least six months of clerical support experience, or equivalent education, training, and experience. Requires detailed document processing, data entry, payment handling, and public service skills.
Flexible Spending Account (FSA), Internal Revenue Service (IRS), 457 Deferred Compensation Plan
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2w
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Processing Worker I
Oceanside, California, United States
$18/hr OnsiteFull Time
Goodwill Industries of San Diego County
Goodwill Industries of San Diego County: Provides job training and employment through the resale of donations.
0.5+ YOESort, clean, price, and stock donated goods; assist donors and customers; high school diploma/GED preferred; minimum 6 months processing experience or GISD program completion.
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5d
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Medical Assistant
Chula Vista or San Diego or Escondido
FieldFull Time
SS Vascular
SS Vascular: Provides advanced vascular surgery and minimally invasive endovascular treatments.
Certified medical assistant with active BLS, bilingual English/Arabic, front-office experience, able to travel between clinic locations, lift up to 50 lbs, and assist with wound care and specimen processing.
Electronic Medical Record (EMR)
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2mo
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Dental Assistant
Dana Point, California, United States
$21-$29/hr OnsitePart Time
Specialized Dental Partners
Specialized Dental Partners: Provides administrative and operational support to dental practices.
1+ YOEHigh school diploma/GED, dental assistant and dental radiology certifications per state, 1+ year dental assisting experience, ability to take/process X-rays, strong communication and organizational skills.
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1w
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Dental Assistant
Brea, California, United States
$24-$28/hr OnsiteFull Time
Specialized Dental Partners
Specialized Dental Partners: Provides business support services to specialized dental practices.
1+ YOEHigh school diploma, dental assistant and dental radiology certifications per state, 1+ year dental assisting experience, ability to take/process X-rays, sterilize equipment, maintain records, and communicate with patients.
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3w
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Dental Assistant (Western)
Los Angeles, California, United States
$18-$22/hr OnsiteFull Time
Dental Dreams
Dental Dreams: Provides family dental services to underserved communities.
X-Ray certification required; dental assistant certification preferred; bilingual Spanish preferred; chairside assistance, charting, sterilization, x-ray processing, and customer service skills.
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1w
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Senior Laboratory Assistant - Microbiology
Orange, California, United States
$25-$38/hr OnsiteFull Time
Providence
Providence: Provides comprehensive healthcare services through hospitals, clinics, and health plans.
1+ YOECalifornia CPT I or II required, 1+ year phlebotomy or lab assistant experience performing collections, processing and handling send-outs; ability to centrifuge and process specimens.
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2mo
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Executive Assistant
Los Angeles, California, United States
HybridFull Time
ICANN
ICANN: Coordinates the global Internet's systems of unique identifiers.
5+ YOEExecutive assistant to SVP; schedule, travel, expense reporting, contract processing, coordination with ICANN board and executives; strong MS Office; five years of senior executive support; domestic and international travel.
Microsoft Office Suite, Concur, Meeting scheduling software, Wiki / online documentation systems, Contract management software
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2mo
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Lab Assistant I
Escondido, California, United States
OnsiteAll Commitments Available
Palomar Health
Palomar Health: Provides medical care and hospital services in California.
0.5+ YOEAssist in clinical laboratory procedures; review requisitions; process specimens; follow policies; communicate with patients and staff; English proficiency; basic computer skills.
MS Windows, Excel, Access, Word, PowerPoint, Internet, Email, Calculator, Fax, Photocopier
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2w
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Dental Assistant
Los Angeles, California, United States
$23/hr OnsiteFull Time
University of Southern California
University of Southern California: Private research university providing higher education and healthcare services.
Provides administrative and chair-side dental assisting, sets up clinical areas, sterilizes instruments, exposes/processes radiographs, performs patient registration and scheduling, and maintains records; CPR/First Aid knowledge preferred.
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1mo
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Parts Department Assistant
Lake Elsinore, California, United States
$18-$20/hr OnsiteFull Time
Pedder Auto Group
Pedder Auto Group: Operates a network of automotive dealerships in Southern California.
Assist with receiving, checking, stocking, staging, delivering, and shipping automotive parts; maintain inventory and perform cycle counts; process returns and support front counter and technicians.
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1mo
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Medical Assistant
Long Beach, California, United States
$26-$33/hr OnsitePart Time
CommonSpirit Health
CommonSpirit Health: Operates a national non-profit Catholic health system.
3+ YOEHigh school diploma/GED and valid Medical Assistant certificate required; minimum 3 years outpatient ambulatory clinic experience; clinical skills including vitals, injections, lab processing, age-specific assessment, and patient education.
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2d
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Assistant Project Scientist in MRI and Image Processing 2026
Irvine, California, United States
$79k-$101k/yr OnsiteFull Time
University of California
University of California: A public research university system providing education and healthcare.
PhD in engineering, medical physics, computer science, applied mathematics, or related field; experience in MRI, image processing, medical imaging, deep learning, and high-impact publications required.
MRI, Python, C++, CUDA, Siemens, Philips
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1mo
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Practice Assistant
Costa Mesa, California, United States
$58k-$107k/yr OnsiteFull Time
Ogletree Deakins
Ogletree Deakins: Provides legal representation for management in employment matters.
4+ YOE4+ years as a practice assistant/legal secretary, knowledge of legal terminology and processes, 70+ WPM typing, strong MS Office and document management skills, e-filing/time entry/database experience, excellent written/verbal communication and proofreading.
Microsoft Office, document management, time entry, e-filing, database software
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5d
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Administrative Assistant (PCT)
Perris, California, United States
$25-$33/hr OnsiteFull Time
DaVita
DaVitaNYSE: DVA: Provides kidney dialysis and integrated chronic disease management services.
High school diploma/GED, CMS-approved PCT certification, strong clerical and computer skills (type 60 WPM), ability to process treatment logs, charts, invoices, and assist patients.
Microsoft Office
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1w
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Student Library Assistant
Orange, California, United States
$17/hr OnsitePart Time
Chapman University
Chapman University: A private university offering undergraduate and graduate degree programs.
Minimal to no prior experience; familiarity with Microsoft Office Suite; federal work-study required; ability to learn circulation processes and assist patrons.
Microsoft Office Suite
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1mo
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Assistant Store Manager
Orange, California, United States
$17-$25/hr OnsiteFull Time
O'Reilly Auto Parts
O'Reilly Auto PartsNASDAQ: ORLY: Retailer of automotive aftermarket parts and professional tools.
Supports store manager in sales, customer service, store appearance and operations; supervises staff, assists hiring, processes orders/returns, performs opening/closing and ensures policy compliance. Required certifications: Sales Specialist Training, Assistant Manager, RSS.
Zipline, Image Maker
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2w
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Medical Assistant - Referral Clerk
Los Angeles, California, United States
$24-$29/hr OnsiteFull Time
Northeast Community Clinic
Northeast Community Clinic: Provides comprehensive primary healthcare services to underserved populations.
0.5+ YOESupports clinical and administrative operations: processing referrals, scheduling, patient intake documentation, vitals, phlebotomy, point-of-care testing; CPR/BLS and medical assistant certificate preferred.
Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft Outlook, Electronic Health Record (EHR)
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