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83 engineering intern jobs at 52 companies in Temecula, CA

1w
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Engineering Intern (Part-Time)
Santa Ana, California, United States
$20-$21/hr OnsitePart Time, Internship
City of Santa Ana
City of Santa Ana: Provides essential public services and infrastructure to Santa Ana residents.
Currently enrolled undergraduate in engineering/construction-related curriculum with GPA ≥2.5, knowledge of AutoCAD or MicroStation and Microsoft Office, valid driver’s license, ability to conduct field investigations and office tasks.
AutoCAD, MicroStation, Microsoft PowerPoint, Microsoft Excel, Microsoft Word, Microsoft Access
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5d
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Civil Engineering Intern
Irvine, California, United States
$19-$28/hr OnsiteFull Time
TRC Companies
TRC Companies: Engineering and environmental consulting for infrastructure and energy projects.
Pursuing an Associate or Bachelor in Civil Engineering, minimum 3.0 GPA, 18+ years old, strong communication and technical problem-solving skills, proficient in Microsoft Excel/Word/PowerPoint.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, AutoCAD, MathCAD, ESRI, HydroCAD, WaterCAD, ArcView GIS
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3mo
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Project Engineering Intern
Escondido, California, United States
$25/hr OnsiteInternship, Full Time
JR Filanc Construction Company
JR Filanc Construction Company: Constructs and renovates water and wastewater treatment facilities.
Current engineering or construction student; strong MS Office; advanced AutoCAD, AutoCAD MEP, Revit; strong communication and analytical skills; ability to manage multiple projects; flexible hours.
AutoCAD, AutoCAD MEP, Revit, Microsoft Office
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3w
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Geotechnical Engineering Intern
Irvine, California, United States
OnsiteInternship, Part Time
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
Currently enrolled in an undergraduate or graduate engineering program; basic Microsoft Office skills; willingness to work on-site and in the field; strong problem-solving, communication, and attention to detail; ~20 hours/week.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Geotechnical software
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3w
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Geotechnical Engineering Intern
Irvine, California, United States
$22-$26/hr OnsiteMultiple Commitments Available
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
Currently enrolled in an undergraduate or graduate engineering program; basic Microsoft Office skills; attention to detail, problem-solving and communication skills; willingness to perform field work; ~20 hrs/week onsite.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Office, Geotechnical software
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2mo
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Intern - Engineering
Irvine, California, United States
$19-$22/hr OnsiteInternship, Part Time
Transportation Corridor Agencies
Transportation Corridor Agencies: Operates and maintains public toll roads in Orange County.
0+ YOEJunior/senior undergrad or graduate student in civil/transportation/environmental engineering; GPA 2.5+; strong MS Office; basic reading of drawings; eager to learn; no prior experience required.
Microsoft Office, AutoCAD, GIS
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1mo
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Electromechanical Design Engineering Intern - Fall 2026
Irvine or Palo Alto or Normal
$38-$51/hr OnsiteInternship
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture focusing on automotive software and hardware solutions.
Enrolled in a US Bachelor's or Master's program; electrical engineering fundamentals; strong electronics knowledge.
PCIe, CAN, Ethernet, USB, I2C, SPI, PLM
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2mo
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CNC Programmer Intern
Yorba Linda, California, United States
OnsiteInternship, Full Time
Envista
EnvistaNYSE: NVST: Manufactures and sells a comprehensive range of dental products.
Pursuing a degree or certificate in Manufacturing Engineering, Mechanical Engineering, Industrial Technology, Mechatronics, or CNC Machining; basic CNC, GD&T, drawings, and CAM software knowledge.
G-code, CAM software
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1w
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Manufacturing Engineer Intern
Santa Ana, California, United States
$17-$24/hr OnsitePart Time
Masco
MascoNew York Stock Exchange: MAS: Manufactures and distributes home improvement and building products.
Mechanical/Industrial engineering student; Microsoft Office proficiency; CREO a plus; good communication; intermediate math; able to lift up to 20 lbs; legally authorized to work in the U.S.
Microsoft Outlook, Microsoft Word, Microsoft Excel, CREO
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1mo
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2027 Mechanical Engineer Intern
Atlanta or Boston or Costa Mesa or Irvine or Seattle or Huntsville
$30-$45/hr OnsiteInternship
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a bachelor's in mechanical engineering or related field, rising senior status, collegiate project/lab experience, CAD and hands-on fabrication skills, strong engineering fundamentals, U.S. Person required.
CAD, NX, Teamcenter, SolidWorks, FEA, CFD
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1w
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Roadway/Highway Intern
Irvine, California, United States
$23-$40/hr OnsitePart Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
Enrolled in an accredited engineering curriculum (typically 1+ year completed). Responsibilities include roadway design, construction documents, quantity takeoffs, and field surveys.
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6d
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R&D Intern
Laguna Hills, California, United States
$20-$25/hr OnsiteFull Time
Sonendo
SonendoOTCQX: SONX: Medical technology transforming dentistry through innovative device systems.
Currently enrolled in or recent graduate of a bachelor’s program in engineering or science; lab or internship experience preferred; ability to perform bench testing, prototyping, and basic troubleshooting.
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1w
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Temporary Student Intern - Automation
Irvine, California, United States
$18-$25/hr OnsiteInternship, Temporary
Irvine Ranch Water District
Irvine Ranch Water District: Provides water supply and wastewater management services in California.
Active enrollment in undergraduate/graduate program (computer/engineering-related), valid California Class C driver license, familiarity with Microsoft Office, and interest/experience with IT/OT/SCADA, AI/ML, servers, databases, and networking.
Microsoft Servers, Linux, SQL Database, Splunk, SolarWinds Topology Mapper, VS Code, Codex, Claude, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Visio
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2mo
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Intern, Manufacturing Chemistry
Aliso Viejo, California, United States
$21-$34/hr OnsiteInternship
MicroVention
MicroVention: Manufacturer of neurovascular medical devices for stroke treatment.
Working toward a Bachelor’s or Master’s in Mechanical/Biomedical Engineering or related; interest/experience in process development; coursework in statistics and tooling design; SolidWorks a plus; computer skills in Word, Excel, PowerPoint; mechanical aptitude.
SolidWorks, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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14h
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Engineering Geologist II - Dams & Water Structures Focus
Orange, California, United States
$70k-$100k/yr HybridFull Time
AECOM
AECOMNYSE: ACM: Provides infrastructure consulting and engineering services for global projects.
2+ YOEBA/BS in geology or related +2 years experience (or equivalent), valid US driver’s license, willingness to travel for domestic/international fieldwork, strong writing and technical reporting, experience with geotechnical instrumentation.
RocScience, Geo-Slope, gINT
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3w
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ME Intern
Irvine, California, United States
$18-$28/hr OnsiteInternship, Part Time
One-Cycle Control
One-Cycle Control: Manufacturer of high-performance power electronics and conversion technology.
US citizen or Green Card required; ability to read work orders, follow instructions, good communication, attention to detail; minimum 16 hours/week; background check and drug test possible.
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13h
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Technical Intern, Advanced Analysis Fall 2026
Newport Beach, California, United States
$29-$37/hr OnsiteMultiple Commitments Available
Simpson Gumpertz & Heger
Simpson Gumpertz & Heger: Engineering firm specializing in structural design and building enclosures.
Current student in civil/structural engineering, materials science, architecture, or related field; strong academics; strong communication; interest in field and site work.
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3w
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Director of Engineering, Internal Platforms & Developer Experience
United States or Los Angeles or Long Beach or Anaheim or Santa Ana or New Jersey or Texas or Florida or Shanghai or Japan or Hong Kong or Canada or Mexico or Germany or France
$212k-$300k/yr HybridFull Time
Collectors
Collectors: Providing authentication and grading services for high-value collectibles.
10+ YOE5+ Mgmt10+ years in software or infrastructure engineering, 5+ years managing engineering teams, experience with cloud platforms, container orchestration, CI/CD, infrastructure-as-code, observability, and developer experience; strong cross-functional and communication skills.
AWS, Microsoft Azure, GCP, k8s, GitHub Actions, ArgoCD, Terrafor, Crossplane, e-Verify
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3mo
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Platform Engineering Manager
Irvine or New York or San Antonio
$179k-$287k/yr OnsiteFull Time
Capital Group
Capital Group: Providing active investment management and research-driven financial strategies
10+ YOE5+ Mgmt10+ years engineering; 5+ years leading teams; experience with internal platforms or developer-facing products; cloud-native platforms; Kubernetes; Backstage/Port/Cortex; strong collaboration across Security, SRE, Architecture, and Engineering.
Backstage, Port, Cortex, Kubernetes, AWS, Docker, Terraform, TypeScript, Python, Java, Go, OpenTelemetry, CI/CD, GitHub, Jira, Confluence
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1mo
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Intern, Powertrain Manufacturing
Garden Grove, California, United States
$25-$35/hr HybridMultiple Commitments Available
Harbinger
Harbinger: Produces electric chassis platforms for medium-duty commercial transport vehicles.
Enrolled in a Bachelor's (or greater) in a related field; work authorization in the US or ability to obtain J-1/F-1; strong analytical skills; Microsoft Office proficiency; CAD (AutoCAD/SolidWorks) a plus.
Microsoft Excel, Microsoft PowerPoint, Microsoft Word, AutoCAD, SolidWorks
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