176 post office jobs at 118 companies in Santa Ana, CA

1mo
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Post Closing Specialist
Newport Beach, California, United States
OnsiteFull Time
Inspire Home Loans
Inspire Home Loans: Private mortgage lender financing primarily new-home buyers through purchase, refinance, underwriting, and closing services.
3+ YOEKnowledge of post-closing and collateral document requirements, strong attention to detail, ability to manage high-volume workflows, effective communication, and intermediate Microsoft Office/Excel skills; 3+ years post-closing experience preferred.
Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft Outlook
5d
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Post Closing Associate (Repost)
Los Angeles or Phoenix
$28-$33/hr OnsiteFull Time
Arixa Capital
Arixa Capital: Employee-owned private real estate lender and investment manager providing bridge, renovation, and construction loans to professional investors.
1+ YOEAssociate degree or equivalent required; 1–2 years of mortgage banking, operations, or post-closing experience; mortgage documentation knowledge; Microsoft Office and document management proficiency; strong organization and communication skills.
Microsoft Office, Salesforce, LOS
2w
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Business Office Assistant - Loma Linda Post Acute
Loma Linda, California, United States
$18-$24/hr OnsiteFull Time
PACS Group
PACS GroupNYSE: PACS: Operator of post-acute care and skilled nursing facilities.
High school diploma or GED, clerical and computer literacy, Excel preferred, typing speed of at least 40 words per minute, 10-key calculator and office equipment knowledge.
Microsoft Excel, 10-key calculator, copier, scanner, fax, telephone
2mo
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Office Assistant
Orange County or San Juan Capistrano or Yorba Linda
OnsitePart Time
California Republic Leadership Academy Capistrano
California Republic Leadership Academy Capistrano: Independent tuition-free public charter school teaching classical liberal arts and virtue-based leadership to California students.
Submit a cover letter and resume to the Office Manager (Breanne Larson). No other qualifications or responsibilities are listed in the posting.
2mo
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Full Time Office Manager MA - (post 20 minutes South of Chatsworth)
Los Angeles, California, United States
$23-$25/hr OnsiteFull Time
Maximize Health
Maximize Health: Medical group providing onsite primary and specialist care plus care management to residents of senior care communities.
Oversee medical office operations and provide clinical support; greet patients, record vitals, manage scheduling, use EMR and office software; high school diploma required, medical assisting certification/associate preferred, prior medical office experience desired.
Electronic Medical Records (EMR), Microsoft Office, Google Workspace
3mo
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Loss Mitigation Post Closing Representative
Orange, California, United States
$19-$22/hr HybridFull Time
Carrington Mortgage Services
Carrington Mortgage Services: U.S. mortgage lender and servicer providing home loans and servicing to borrowers and investors.
2+ YOETwo+ years mortgage experience; loss mitigation preferred; high school diploma; knowledge of HAMP/FHA/VA/USDA; MS Office.
Microsoft Office
1mo
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Office Coordinator I - Mental Health 336
Santa Ana, California, United States
$23-$24/hr OnsiteFull Time
Telecare Corporation
Telecare Corporation: Providing comprehensive behavioral health and mental health services.
1+ YOEHigh school/GED, 1 year admin experience, MS Office proficiency, data entry skills, 18+, willingness to use personal vehicle; post-offer health and background clearances required.
Microsoft Office
1mo
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Post-Doctoral Research Fellow (Part-Time)
Claremont, California, United States
$35-$40/hr OnsitePart Time
Claremont Autism Center
Claremont Autism Center: Private nonprofit liberal arts college educating undergraduate leaders in business, government, and the professions.
2+ YOEPh.D. in clinical or developmental psychology, 2+ years research experience with at least one co-authored publication, IRB and data management experience, ADOS-2 reliability preferred, proficiency with SPSS/MPlus/R and Microsoft Office.
SPSS, MPlus, R, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
2w
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Post Commander / Mobile Patrol Officer
Laguna Hills or Laguna Woods
$21-$28/hr FieldFull Time
GPI Security Services
GPI Security Services: Hungarian private security-systems providing retail IT support, outsourcing, alarm systems, and CCTV to businesses and institutions.
Requires a valid California BSIS guard card, California driver's license with acceptable record, patrol vehicle operation, strong communication, frequent walking patrols, reliable attendance, and weekday availability.
2mo
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Business Office Clerk
Riverside, California, United States
$17-$18/hr OnsiteFull Time
Lexus of Riverside
Lexus of Riverside: Private luxury Lexus dealership serving Riverside-area drivers with new and used vehicles, financing, parts, and automotive service.
Processing dealer and DMV paperwork, posting vehicle transactions, maintaining file organization, preparing accounting entries and reports, monitoring receivables, assisting audits, and safeguarding customer and dealer information.
2mo
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Business Office Clerk
Riverside, California, United States
$17-$18/hr OnsiteFull Time
Lexus of Riverside
Lexus of Riverside: Private luxury Lexus dealership serving Riverside-area drivers with new and used vehicles, financing, parts, and automotive service.
Posting and preparing vehicle purchase paperwork, processing dealer trades and DMV forms, making accounting entries, filing and recordkeeping, monitoring receivables, maintaining general ledger accounts, and assisting audits.
2w
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Student Employment | Registrar Office Assistant (CA, Costa Mesa)
Costa Mesa, California, United States
OnsitePart Time
Vanguard University of Southern California
Vanguard University of Southern California: Private nonprofit Assemblies of God university serving undergraduate and graduate students in liberal arts, sciences, and ministry.
Student employment position in a registrar's office; complete application and consult the VU Connect posting for duties, qualifications, pay, and schedule.
1d
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AV, Editorial & Office Technology Technician
Los Angeles, California, United States
$50k-$60k/yr OnsiteFull Time
DNEG Technology
DNEG Technology: British private visual effects and animation studio serving film, television, streaming, and immersive-content creators.
2+ YOERequires 2–5 years of AV, post-production, editorial, office technology, or related experience; strong troubleshooting skills; meeting-room and screening-room experience; and familiarity with editorial tools and media formats.
Avid, Premiere Pro, DaVinci Resolve, Frame.io, Mac, Windows
1w
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Insomniac - Seasonal Box Office Attendant (Bay Area)
Long Beach or San Francisco or United States
$12-$20/hr FieldPart Time, Seasonal
Insomniac Events
Insomniac Events: Produces immersive music festivals and large-scale entertainment events.
Preferred sales or customer service experience; computer proficiency, professional communication, de-escalation skills, valid driver's license, background investigation, and post-offer drug/alcohol test required.
Front Gate, Front Gate POS
2w
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Insomniac - Escape Halloween 2026 Seasonal Box Office Attendant
San Bernardino, California, United States
$17-$19/hr FieldPart Time, Seasonal
Insomniac Events
Insomniac Events: Produces immersive music festivals and large-scale entertainment events.
Preferred sales or customer service experience; computer proficiency, professional communication, de-escalation skills, valid driver's license, background investigation, and post-offer drug/alcohol test required.
Front Gate box office system, Front Gate POS system
1mo
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Post-Award Grants Administrator, Part-Time
Orange, California, United States
$33-$38/hr OnsitePart Time
Chapman University
Chapman University: Private university offering undergraduate and graduate academic programs.
3+ YOE3+ years post-award grants/finance experience; skills in budget analysis, reconciliations, cost transfers, reporting, and compliance; strong analytical, writing, organizational, and computer skills.
Microsoft Office Suite, Adobe Professional
2w
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Post Bacc-Admin Coordinator
Claremont, California, United States
$25-$27/hr OnsitePart Time
Scripps College
Scripps College: Scripps College is a nonprofit women's liberal arts college educating undergraduate and post-baccalaureate students.
5+ YOEHigh school diploma plus two or more years of college or business school, and five to six years of related experience, preferably in education. Requires office software, bookkeeping, business writing, and communication skills.
Sakai, CX database
1mo
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Senior Trade Advisory Associate, Post-Entry
Atlanta or Bellevue or Chicago or Dallas or Denver or Los Angeles or New York City or San Francisco
$85k-$110k/yr OnsiteFull Time
Flexport
Flexport: Global logistics and supply chain technology platform.
2+ YOEBachelor's degree required; 2+ years trade or professional services experience; licensed customs broker desired; strong writing, interpersonal, data analytical skills; Microsoft Office and ACE portal experience; knowledge of classification, valuation, and trade regulations.
Microsoft Office, ACE portal, Google equivalents
2mo
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Sr. Contract Variance Specialist - Business Office - Full Time - Days - 8hr
Covina, California, United States
$32-$49/hr OnsiteFull Time
Emanate Health
Emanate Health: Delivering world-class health care one patient at a time.
7+ YOE7+ years commercial insurance collections experience, expertise interpreting payer contracts and reimbursement methodologies, advanced Excel and Microsoft Office skills, billing/payment posting and appeals experience.
Workday, Microsoft Office Suite, Microsoft Excel
1mo
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(Internal GT- HR office use only)
San Bernardino, California, United States
$250/day OnsitePart Time
San Bernardino City Unified School District
San Bernardino City Unified School District: Public K–12 school district serving students and families in San Bernardino and nearby communities.
Must attach copies of credentials and university transcripts showing a posted bachelor's degree; apply only if instructed by SBCUSD Human Resources.