582 field assistant jobs at 255 companies in Rialto, CA
2mo
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Field Marketing Assistant
Eastvale or California
$17-$18/hr FieldPart Time
Organized self-starter with experience in field or grassroots marketing preferred, valid driver's license and reliable transportation, able to lift and set up signage and booths, strong interpersonal and basic digital reporting skills.
email, spreadsheets
1mo
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Assistant Tech Field Sales Manager
Cypress, California, United States
$85k-$95k/yr FieldFull Time
5+ YOEBachelor's degree or certification in engineering or related field plus 5+ years technical/service experience; strong communication, troubleshooting, training, and computer skills; West Coast based and able to travel.
3d
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Sr Construction Field Assistant
Irvine, California, United States
$24-$38/hr OnsiteFull Time
3+ YOERequires 3+ years of homebuilding experience, valid driver's license, basic Microsoft Office skills, organizational and communication skills, and ability to perform physical construction-site duties.
Microsoft Office
2w
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Field Operations Support Assistant
Westminster, California, United States
$25/hr OnsitePart Time
1+ YOEHigh school diploma,1–2 years clerical or customer service experience,MS Office proficiency,good communication,organizational skills,confidentiality and compassion required.
Microsoft Office
2mo
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Production Assistant and Field Coordinator
Monrovia, California, United States
$22-$28/hr FieldPart Time
3+ YOE3+ years construction/production experience preferred, leadership and project coordination skill, knowledge of renovation processes, MS Office proficiency, strong communication and problem-solving, ability to work on-site and manage crews.
Microsoft Office Suite
2mo
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Field Clinical Engineer
Huntington Beach, California, United States
$130k-$180k/yr RemoteFull Time
3+ YOEBachelor’s in Biomedical or Electrical Engineering; 3–5+ years field clinical engineering in Class II/III devices; experience with cardiac assist devices; FDA QSR/ISO13485 knowledge; willing to travel; on-call.
FDA QSR 21 CFR 820, ISO 13485, Medical device documentation
1mo
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Field Supervisor NOC - CNA
Irvine or Mission Viejo
$24/hr FieldFull Time
2+ YOEActive CNA, First Aid/CPR, TB test and background clearance required; high school diploma; 2 years experience in assisted living preferred; reliable transportation; strong communication and organizational skills.
1mo
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Field Technician (Bilingual – Chinese & English)
Commerce, California, United States
FieldFull Time
1+ YOEProvide on-site technical support, troubleshooting, installation assistance, and customer training for lithium batteries; 1 year technical support/hardware repair experience required; bilingual English/Chinese preferred; associate's degree preferred.
1d
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Community Development Field Services Assistant Apprentice - One Irvine Workforce
Irvine, California, United States
$27/hr FieldFull Time, Temporary
1+ YOEHigh school diploma or equivalent, one year of customer service experience or equivalent, and a valid or obtainable California driver's license. Apprentices must be 18–30 and meet grant eligibility requirements.
Workday
1mo
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Field Operations Support Assistant - Calvary Mortuary (Los Angeles)
Los Angeles, California, United States
OnsiteFull Time
2+ YOEProvides clerical and administrative support for funeral home operations, including preparing permits and death certificates, customer service, record keeping, and use of MS Office; HS diploma and 2+ years office/customer service experience required.
Microsoft Outlook, Microsoft Word, Microsoft Excel
1mo
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Head Track & Field Coach
Orange, California, United States
OnsiteSeasonal
High school education, cleared background/fingerprint and TB assessment, CPR and First Aid, NFHS coaching and safety certificates, valid CA driver, some assistant coaching experience preferred, ability to lift up to 50 lbs and work evenings/weekends.
1mo
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Student Assistant - Cal/OSHA Enforcement Support - Technician/Field Work (Monrovia, CA)
Monrovia, California, United States
$18-$34/hr FieldPart Time, Temporary
Must be an enrolled college student meeting unit minimums, major in related fields, proof of enrollment, ability to pass pre-employment checks, proficiency in Microsoft Word/Excel/Outlook, typing ≥45 WPM, strong communication and customer service skills.
Microsoft Word, Microsoft Excel, Microsoft Outlook, OSHA Information System (OIS)
2w
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Assistant Project Manager- Project Controls and Field Coordination
Westminster, California, United States
$38-$42/hr OnsiteFull Time
3+ YOE3+ years commercial construction experience; ability to read plans; manage schedules, look‑aheads, procurement, RFIs, and submittals; strong organization and communication; field coordination and follow-through.
Smartsheet, Bluebeam, Procore, Microsoft 365, Slack, Dropbox, SiteCam
1mo
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Assistant Coach, Track & Field 2026-27
Norco or Riverside County or California
OnsitePart Time, Seasonal
Demonstrated coaching ability in the sport, knowledge of fundamental and advanced techniques, CPR/AED/First Aid and coaching certifications, completion of NFHS/CIF coaching courses, proof of high school diploma or equivalent, and required clearances (TB, fingerprint Livescan).
1d
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Medical Assistant Floater
San Jacinto or Grand Terrace or Banning or Mountain Center or Temecula or Thermal or Anza or Barstow
$22/hr FieldFull Time
1+ YOEHigh school diploma or equivalent, Medical Assistant certificate, one year of related experience, BLS certification, computer and EHR skills, reliable transportation, and ability to travel between clinics and assist patients physically.
Microsoft Office, electronic health record systems
3d
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Medical Assistant
Santa Ana or Florida or Texas or California
FieldFull Time
High school diploma or GED, BLS certification, English communication skills, computer proficiency, and medical assistant experience preferred. Travel between regional clinics required.
Microsoft Office, EHR, Electronic Medical Records (EMR)
1w
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Orthodontic Assistant
Austin or Georgetown or Riverside or Hutto
FieldFull Time
2+ YOEValid state-required RDA license, 2+ years of orthodontic assisting experience, Dentrix knowledge, strong interpersonal skills, and willingness to travel locally between sister locations.
Dentrix
4d
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Medical Assistant
Victorville, California, United States
$19-$20/hr FieldFull Time
High school diploma, medical assistant certification, unrestricted California driver's license, clinical and administrative skills, and comfort serving underserved populations. Related experience and Spanish preferred.
Google Workspace, Gmail, Google Docs, Google Sheets, Google Calendar
2w
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Dental Assistant
Perris, California, United States
$17-$28/hr FieldFull Time
1+ YOEValid RDA license and current CPR required; 1–3 years orthodontic assisting preferred; familiarity with OSHA and HIPAA; reliable transportation; ability to stand and lift up to 25 lbs.
3d
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Medical Assistant
Loma Linda, California, United States
$25-$27/hr FieldFull Time
1+ YOECompletion of a credentialed or nationally recognized medical assistant program, up to 1 year of clinical experience, BLS certification, California driver's license, and auto insurance required; phlebotomy certificate preferred.
Electronic Medical Record (EMR)
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