215 development assistant jobs at 122 companies in Calimesa, CA

3w
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Assistant Development Manager
Irvine, California, United States
OnsiteFull Time
Shopoff Realty Investments
Shopoff Realty Investments: Real estate investment firm specializing in land and property development.
3+ YOEBachelor's degree preferred, 3+ years real estate development or land planning experience, strong analytical and communication skills, proficiency in Microsoft Office; MS Project or Argus a plus.
Microsoft Office, MS Project, Argus
4d
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Director of Staff Development Assistant (DSD Assistant)
Colton, California, United States
$22-$25/hr OnsiteFull Time
Meadows Ridge Care Center
Meadows Ridge Care Center: Provides 24-hour skilled nursing and rehabilitation services to residents.
CNA certification and high school diploma/GED required; fully vaccinated for COVID-19; experience in training/onboarding or HR, scheduling software, Microsoft Word and Excel, and strong communication skills.
Microsoft Word, Microsoft Excel
1mo
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Assistant Project Manager | Development
Irvine, California, United States
$94k-$105k/yr OnsiteFull Time
EPD Solutions
EPD Solutions: Provides integrated environmental, planning, and development consulting services.
2+ YOE2-4 years experience; bachelor's in a related field preferred; reading technical reports, construction/design drawings, municipal codes; ability to manage multiple projects; strong communication and coordination skills; proficiency in MS Office and development software.
Microsoft Word, Microsoft PowerPoint, Smartsheet, Microsoft Project, Bluebeam
3mo
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Child Development Assistant II #118 - 25/26
Moreno Valley, California, United States
$21-$29/hr OnsitePart Time
Moreno Valley Unified School District
Moreno Valley Unified School District: Provides public K-12 education and student support services.
12 semester units ECE; high school diploma or GED; transcripts; EDJOIN application; DOJ fingerprint clearance.
2w
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Development Specialist (6155)
Santa Ana, California, United States
$22/hr OnsiteFull Time
Mercy House
Mercy House: Provides housing and support services for people experiencing homelessness.
1+ YOEProcess gifts, maintain donor records in Raiser’s Edge NXT, assist with reconciliation and reporting; bachelor’s degree or equivalent experience, 1–3 years admin/nonprofit experience preferred, valid CA driver’s license required.
Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft Office Suite, Raiser’s Edge NXT
1mo
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Child Development Program Assistant I/Applicant Pool
Claremont, California, United States
OnsitePart Time
Claremont Unified School District
Claremont Unified School District: Provides public K-12 education and student support services.
Resume and one letter of recommendation.
1w
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CHILD DEVELOPMENT CENTER ASSISTANT DIRECTOR, NF-4
Camp Pendleton, California, United States
$64k-$73k/yr OnsiteFull Time
Marine Corps Community Services
Marine Corps Community Services: Provides quality of life programs and services for Marines.
1.5+ YOEBachelor's in related field (or equivalent combination), minimum 18 months experience in group programs with children/youth, supervisory ability, current CPR/First Aid/food handler, background checks, immunizations, Microsoft Office proficiency.
Microsoft Office Suite
1w
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Assistant Engineer - Land Development
Fontana, California, United States
$8k-$9k/mo OnsiteFull Time
City of Fontana
City of Fontana: Provides municipal services and public safety for Fontana residents.
1+ YOEBachelor's in civil engineering (or equivalent), some related engineering experience preferred (1 year preferred), knowledge of civil engineering principles, ability to review plans and prepare reports, valid CA Class C driver’s license required.
1mo
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Learning & Development Project Assistant
Pomona, California, United States
$17/hr HybridPart Time
Associated Students, Inc. Cal Poly Pomona
Associated Students, Inc. Cal Poly Pomona: Operates recreational facilities and student services for Cal Poly Pomona.
Part-time student role (12–20 hrs/week), hybrid eligible. Supports learning projects; requires strong organization and communication, familiarity with Monday.com and Microsoft Teams, data tracking skills, ability to pass a background check, and status as an enrolled Cal Poly Pomona student eligible to work.
Monday.com, Microsoft Teams
3w
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Talent Development Specialist
Irvine, California, United States
$22-$26/hr OnsiteFull Time
Equus Workforce Solutions
Equus Workforce Solutions: Provides workforce development and vocational training services.
2+ YOEBachelor's degree preferred or 2+ years in career counseling, strong computer, organizational, interpersonal and communication skills; goal-oriented, ability to document records and assist customers facing employment barriers.
1mo
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IT Development and Application Support Programmer Student Assistant
Fullerton, California, United States
$17-$24/hr OnsitePart Time
California State University
California State University: Public university system providing higher education and academic research.
Student status required; CSUF enrollment; ability to learn; ASP.NET, VB.NET, C#, JavaScript, and SQL knowledge; ServiceNow experience is a plus.
ServiceNow, ASP.NET, VB.NET, C#, JavaScript, SQL
2mo
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Assistant Buyer
West Covina, California, United States
$25-$27/hr OnsiteFull Time
Miniso
MinisoNYSE: MNSO: Global retailer of affordable lifestyle and consumer goods.
1+ YOEAssist buying team with PO mgmt, data analysis, vendor coordination, and market research; develop merchandising skills; learn systems and processes.
Microsoft Office, Excel, Google Suite, Merchandising systems
1mo
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Maintenance Assistant
Riverside, California, United States
$18-$20/hr OnsiteFull Time
Reliant Management
Reliant Management: Manages operations and billing for skilled nursing facilities.
0+ YOEDirecting maintenance operations, developing policies, preventive maintenance, inspecting facility and equipment, supervising department personnel, record-keeping, budgeting and staffing assistance.
1mo
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Medical - Research Assistant
Victorville, California, United States
$18-$23/hr OnsiteFull Time
National Institute of Clinical Research
National Institute of Clinical Research: A research organization focused on clinical trials and drug development.
2+ YOEMedical assistant or phlebotomist with 2-3 years clinical experience; lab technician with 2-3 years clinical experience; bilingual in Spanish and English; certification preferred.
EKG, Phlebotomy, PC software
4d
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Graduate Assistant - Office of Career & Professional Development
Redlands, California, United States
$17/hr OnsitePart Time
University of Redlands
University of Redlands: Private university providing personalized undergraduate and graduate education.
Must be an incoming or current graduate student enrolled in a master\u0002s program for 2026-27; strong communication and interpersonal skills; ability to work on campus and handle confidential student information.
Handshake
1w
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Assistant Teacher (Perris)
Perris, California, United States
OnsiteFull Time
Heartbeat Music & Performing Arts Academy
Heartbeat Music & Performing Arts Academy: Offers arts-integrated preschool and performing arts education for youth.
Child Development Assistant Permit (or equivalent), CPR/First Aid and Mandated Reporter training, 3 semester units for Infant/Toddler assignments; supports classroom activities and child supervision.
5d
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Undergraduate Student Research Assistant
Orange, California, United States
$20/hr OnsitePart Time, Temporary
Chapman University
Chapman University: A private university offering undergraduate and graduate degree programs.
Pursuing a BS in Chemistry with approval of Dr. Prakash; assist lab work on RTD coffee with milk, measure and weigh ingredients, monitor processing conditions, record data, and maintain equipment; up to 10 hrs/week.
1mo
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Restaurant Assistant Manager
Menifee or Riverside County or San Diego County
$52k/yr OnsiteFull Time
Placido/Faulkner Network
Placido/Faulkner Network: Operates a network of franchised coffee and donut shops.
Oversee store operations, coach and develop shift leads and crew, ensure operational and food safety standards, assist with recruiting/onboarding, and work variable hours including early mornings, evenings, weekends and holidays; food handler card required.
1mo
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ASSISTANT TODDLER TEACHER
Laguna Niguel, California, United States
$21/hr OnsiteFull Time
Kensington Montessori Schools
Kensington Montessori Schools: Operates a Montessori-based preschool and toddler care center.
Assist lead teacher in toddler classroom; strong understanding of child development, classroom management, and safety; excellent communication; minimum 3 ECE units (willing to complete up to 12).
4w
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Assistant Toddler Teacher
Lake Forest, California, United States
$17-$21/hr OnsiteFull Time
Endeavor Schools
Endeavor Schools: Operates a network of private schools and childcare centers.
Assist with age-appropriate curriculum, supervise children, monitor progress; 12 ECE units preferred. Strong communication, patience, and interest in child development. Experience in schools preferred but not required.