69 project assistant jobs at 54 companies in Calimesa, CA
2mo
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Assistant Project Manager
Irvine or San Diego
OnsiteFull Time
Project management support experience preferred; strong organizational skills.
1mo
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Assistant Project Manager
Irvine, California, United States
$85k-$105k/yr FieldFull Time
0+ YOEBachelor's in construction/engineering required, 0-5+ years construction experience, Procore and Microsoft Project/Excel proficiency, travel required, jobsite-based role with document and financial control duties.
Microsoft Project, Microsoft Excel, Procore, Prolog
6d
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Assistant Project Manager, Construction
Irvine, California, United States
OnsiteFull Time
2+ YOE2+ years experience with a general contractor; experience with ground-up commercial and industrial/tilt-up projects preferred; strong knowledge of drawings, RFIs, submittals, change orders, scheduling, procurement, budgeting, and communication.
Procore, Bluebeam, Microsoft Office
1w
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Assistant Project Manager - Energy
Chino Hills, California, United States
$81k-$106k/yr OnsiteFull Time
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
1w
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Assistant Project Manager
Brea, California, United States
$105k-$125k/yr OnsiteFull Time
Assist project manager with planning, scheduling, budgeting, change orders, subcontractor coordination, document control and supervision; bachelor’s preferred; valid driver’s license required.
Build2Win
2d
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Assistant Project Manager
La Verne, California, United States
$120k-$150k/yr OnsiteFull Time
5+ YOE1+ MgmtBachelor's in Construction or Engineering (or equivalent), 5+ years heavy civil project experience, 1+ year supervisory experience, experience with Procore, P6, Timberline, JD Edwards, cost projection and budgeting.
Procore, P6, Timberline, JD Edwards
2d
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Assistant Project Manager
La Verne, California, United States
$120k-$150k/yr OnsiteFull Time
5+ YOE1+ MgmtBachelor's in construction/engineering or equivalent, 5+ years heavy civil project experience, 1+ year supervisory experience, experience with Procore/P6/Timberline and JD Edwards, cost projection and budget management.
Procore, P6, Timberline, JD Edwards
2w
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Assistant Project Manager
Orange, California, United States
$67k-$83k/yr OnsiteFull Time
2+ YOE2+ years related project management experience preferred, degree in construction management preferred, strong communication, estimating, scheduling, permit coordination, ability to read plans, valid driver's license required.
Microsoft Project, CMiC, PlanGrid, Bluebeam
1mo
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Learning & Development Project Assistant
Pomona, California, United States
$17/hr HybridPart Time
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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Assistant Project Manager
Escondido or Riverside
$33-$43/hr HybridFull Time
3+ YOEBachelor's in civil engineering or construction management preferred or 3+ years equivalent experience; knowledge of ASTM/AASHTO standards; valid driver\u0002s license; certifications (ACI, ICC, ATTI, Nuclear Safety) preferred; strong communication and analytical skills.
Microsoft Office
2d
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Assistant Project Manager
La Verne, California, United States
$120k-$150k/yr OnsiteFull Time
5+ YOE1+ MgmtBachelor's in Construction/Engineering or equivalent, 5+ years overseeing heavy civil projects, 1+ year supervisory experience, experience with project software and cost control.
Procore, P6, Timberline, JD Edwards
2mo
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Project Coordinator, Horticulture
Highland, California, United States
OnsiteFull Time
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
1w
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Assistant Deputy Director - Capital Project Delivery
Orange County or Santa Ana
$141k-$195k/yr OnsiteFull Time
6+ YOE3+ MgmtLeadership in delivering large-scale public works/capital projects, public contracting knowledge, supervisory experience, ability to manage multidisciplinary teams in active operational environments; CA driver and airport badge required.
3w
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Assistant Facilities & Construction Project Manager
Phoenix or Las Vegas or Denver or San Francisco or San Diego or Irvine or Glendale or Walnut Creek or Sunnyvale
$62k-$103k/yr OnsiteFull Time
3+ YOE3–6 years facilities/construction/project coordination experience, vendor management, ability to read construction documents, strong written and verbal communication.
ServiceNow, Procore, Smartsheet, Microsoft Project
2w
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Assistant Project Paleontologist
Riverside, California, United States
$30-$38/hr OnsiteFull Time
3+ YOEM.S./Ph.D. preferred (B.S. with experience may be accepted); 3+ years consulting experience; paleontological field, lab, and reporting experience in Western US; ability to serve as Field Agent/Principal Investigator for BLM permits.
1w
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Assistant Project Paleontologist
Riverside, California, United States
$30-$38/hr OnsiteFull Time
3+ YOEM.S. or Ph.D. preferred (B.S. considered with experience), 3+ years consulting experience, permitted as PI/Field Agent for Western states, paleontological field and lab skills, technical writing and reporting experience.
1mo
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Winter 2027 Assistant Project Management Bootcamp (West Coast)
Brea or Los Angeles or Barstow or Des Plaines or Lake Forest or California or United States
$80k-$90k/yr FieldFull Time
Bachelor's in construction-related field or equivalent trade background preferred; willing to travel; strong communication, time management, and problem-solving; Microsoft Office and Google Workspace proficiency; internships or relevant experience preferred.
Microsoft Office, Google Workspace
1mo
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Construction Assistant PM (36025)
Palm Springs or Cathedral City or Rancho Mirage
FieldFull Time
2+ YOE2+ years hospitality or commercial construction and project management experience; Bachelor or HS/GED with experience; proficient with Microsoft Excel, Word, Project, Outlook; Procore preferred; able to inspect sites, lift up to 25 lbs, and communicate project updates.
Microsoft Excel, Microsoft Word, Microsoft Project, Microsoft Outlook, Procore
1w
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Construction Group Assistant Project Manager
Riverside, California, United States
$25-$29/hr HybridFull Time
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
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
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