42 project assistant jobs at 33 companies in Apple Valley, CA

2d
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Assistant Project Manager
Corona, California, United States
$24-$34/yr OnsiteFull Time
Boudreau Pipeline Corporation
Boudreau Pipeline Corporation: Provides underground wet and dry utility construction services.
Bachelor's degree in project management, technical, or construction preferred; requires construction knowledge, strong organization, analytical problem-solving, communication, record-keeping, and time-management skills.
RFI, PPE, computer keyboard, telephone, office equipment
2w
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Assistant Project Manager - Energy
Chino Hills, California, United States
$81k-$106k/yr OnsiteFull Time
Cupertino Electric
Cupertino Electric: Designing and building electrical systems for data centers and infrastructure.
5+ YOE5+ years related construction experience, 3+ years as project engineer preferred; HS diploma required; bachelor's in construction management/business/engineering preferred; valid driver’s license; strong MS Excel and estimating skills.
Microsoft Excel, Microsoft Projects, Primavera P6, Accubid
2d
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Assistant Project Manager II
Corona, California, United States
OnsiteFull Time
The Walsh Group
The Walsh Group: Provides general contracting and construction management for infrastructure projects.
4+ YOERequires 4+ years of experience, construction experience preferred, and ability to establish relationships and lead people. A bachelor's degree is preferred; relocation may be required for some roles.
Project Engineers
2mo
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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
3d
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Electrical Assistant Project Manager (APM)
Ontario, California, United States
$90k-$105k/yr OnsiteFull Time
CMD Electric
CMD Electric: Specializing in design-build commercial and multifamily electrical construction services.
3+ YOERequires 3–5 years of preferred commercial electrical construction experience, construction document and code knowledge, electrical systems familiarity, communication and organizational skills, and Microsoft Office proficiency.
Microsoft Office Suite, Procore, Bluebeam
3d
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Assistant Project Manager-Rancho Cucamonga, CA
Rancho Cucamonga or Los Angeles or Fontana or Bloomington or Rialto or Upton or Ontario or Pomona or Chino or Inland Empire County or Southern California
$23-$26/hr OnsiteFull Time
Certerra
Certerra: Testing, inspection, and certification services for critical infrastructure projects.
3+ YOEHigh school diploma or GED, valid driver's license, 3+ years of progressive management responsibility and experience, computer expertise, strong organization, and excellent oral and written communication.
Ground Penetrating Radar (GPR), Electronic Positive Response (EPR), Microsoft Word, Microsoft Excel
3mo
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Project Coordinator, Horticulture
Highland, California, United States
OnsiteFull Time
Yuhaaviatam of San Manuel Nation
Yuhaaviatam of San Manuel Nation: Operates a luxury resort and casino in Southern California.
2+ YOEHigh school diploma; Bachelor's in related field preferred; 2+ years project coordination/PM assistant; proficient in MS Office; ability to manage vendors; valid driver’s license.
Project Management Software, Excel, Photoshop, InDesign, AutoCAD
2w
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Construction Group Assistant Project Manager
Riverside, California, United States
$25-$29/hr HybridFull Time
HELIX Environmental Planning
HELIX Environmental Planning: Provides environmental consulting and compliance services for land development.
Bachelor's in a related field, valid CA driver\u0019s license with clean record, knowledge of habitat restoration or construction, strong communication and organizational skills.
FieldMaps, Field Suite Services (FSS), Survey123, ArcGIS, Microsoft Office
1mo
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Project Engineer I
Rancho Cucamonga, California, United States
$73k-$95k/yr OnsiteFull Time
ISEC
ISEC: Installs architectural woodwork and specialty finishes for commercial buildings.
0+ YOEAssist Project Manager with schedules, submittals, change orders, procurement, invoice coding, shop drawings, jobsite visits, project/document control, vendor coordination, and quality control.
Microsoft Office, Project Control/Document Control System
1mo
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Technical Project Assistant (Bilingual in Mandarin)
Romeoville or Naperville or Fontana or Buford or Port Reading
$80k-$100k/yr OnsiteFull Time
YQN Logistics
YQN Logistics: Digital logistics platform for international shipping and supply chain.
Bachelor's preferred in Mechanical/Electrical Engineering, bilingual English/Chinese, hands-on machine tool skills, MS Office proficiency, strong communication and problem-solving; new graduates welcome.
Microsoft Office
3w
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Assistant Construction Manager
Los Angeles or Glendora
$110k-$130k/yr OnsiteFull Time
Cordoba Corporation
Cordoba Corporation: Civil engineering and construction management firm for infrastructure projects.
5+ YOEBachelor's in construction management or related field, minimum 5 years' related experience, ability to coordinate multiple projects, lead meetings, communicate with stakeholders, detail orientation, Procore experience.
Procore
1mo
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Assistant Director, CCFA
Chatsworth or San Bernardino County or Los Angeles County
$125k/yr HybridFull Time
Child Care Resource Center
Child Care Resource Center: Provides child care, early education, and family support services.
5+ YOE3+ MgmtLeadership role overseeing CCFA departments across Los Angeles and San Bernardino counties; requires 5+ years management experience (or 10 with bachelor's), 3 years direct supervisory experience, budget and grant management, and demonstrated partnership development.
Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Zoom
1mo
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Breakout Assistant Lead
Ontario, California, United States
OnsiteVolunteer
Anthro SoCal
Anthro SoCal: Community-driven convention celebrating furry fandom and arts.
Leadership and organizational experience managing volunteers, spreadsheet-based schedule tracking, problem-solving, professionalism, and ability to work onsite during convention dates.
spreadsheets, projector, laptop, sound system
6d
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Assistant Program Manager
San Bernardino, California, United States
$70k-$73k/yr OnsiteFull Time
St. John's Community Health
St. John's Community Health: Provides comprehensive healthcare services to underserved communities in Los Angeles.
Leadership and coordination skills to support program operations, supervise staff, manage compliance, reporting, partnerships, outreach, billing, budgets, and strategic initiatives.
Microsoft Excel
2d
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Assistant Program Administrator
California or San Diego or El Segundo or San Bruno or Oakland or Riverside or Santa Rosa or Orange or Fresno or San Jose or Sacramento or Monterey Park or Woodland Hills or Santa Barbara or Chico or San Bernardino
$10k-$11k/mo HybridFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Leads statewide licensing operations, administers statutes and regulations, oversees regional managers, analyzes field data, and develops recommendations. Requires California work residency and background clearance.
2d
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Marketing Assistant
Corona, California, United States
OnsiteFull Time
Owens Corning
Owens CorningNYSE: OC: Manufactures building insulation, roofing, and fiberglass composites.
Preferred associate's or bachelor's degree or equivalent experience; marketing, design, communications, social media, organizational, and project management skills; proficiency with marketing and office software.
Adobe Creative Suite, InDesign, Photoshop, Illustrator, Canva, Mailchimp, Microsoft Office, Google Workspace, File Camp
2d
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Program Assistant
March Air Reserve Base, California, United States
$22-$25/hr OnsiteFull Time
U.S.VETS
U.S.VETS: Provides housing and support services to at-risk veterans.
1+ YOEOne year of social services or related experience, strong computer literacy, Microsoft Office proficiency, organization, communication, teamwork, independent judgment, and project coordination skills; bachelor's degree preferred.
Microsoft Excel, HMIS, My Case Records, QuickBooks, Microsoft Office Suite
2w
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Assistant Engineer
Rancho Cucamonga, California, United States
$7k-$9k/mo OnsiteFull Time
Rancho Cucamonga
Rancho Cucamonga: Providing municipal services and public safety for city residents.
2+ YOEBachelor's degree in civil engineering (or equivalent experience), two years civil engineering experience (or six years substitution), ability to perform project design, inspection, contract administration, and obtain a California driver’s license.
1w
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Hospitality Ministry Assistant Director
Riverside, California, United States
OnsitePart Time
The Grove Community Church
The Grove Community Church: Providing religious services and community development programs.
Leads hospitality teams, volunteers, guest experiences, and large community events while coordinating vendors, implementing systems, and aligning activities with the church's faith and foundational beliefs.
2d
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Insomniac - Escape Halloween 2026 Seasonal Production Assistant
San Bernardino, California, United States
$17-$20/hr OnsitePart Time, Seasonal
Insomniac
Insomniac: Produces immersive music festivals and electronic dance music events.
Event production experience, strong Excel, Word, and PowerPoint skills, concise communication, vendor coordination, deadline management, problem-solving, and ability to stand, walk, climb, bend, and lift up to 50 pounds.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint