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16 field engineer intern jobs at 13 companies in Temecula, CA

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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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1mo
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2027 Manufacturing Engineer Intern
Ashville or Atlanta or Boston or Costa Mesa or Irvine or Seattle
$30-$40/hr OnsiteInternship
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor's in aerospace/mechanical or related field; rising senior returning to school after internship; U.S. Person required to access Controlled Unclassified Information.
Lattice OS
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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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2027 Software Engineer Intern
Costa Mesa or Irvine or Atlanta or Seattle or Boston or Reston
$45-$50/yr OnsiteInternship, Full Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor\u0002s in CS or related field, rising senior returning to school, proficiency in C++, Go, Rust, Java, or Python, familiarity with algorithms, data structures, cloud and front-end concepts, and U.S. Person status required.
C++, Go, Rust, Java, Python, Lattice OS
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2w
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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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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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1d
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Intern
Jurupa Valley, California, United States
$19-$21/hr OnsitePart Time
Pavement Recycling Systems
Pavement Recycling Systems: Provides sustainable pavement recycling and road construction infrastructure services.
Pursuing or holding degree in construction management, engineering, or chemistry; certified or able to obtain AASHTO/ASTM/Caltrans testing certifications; Microsoft Word and Excel; able to perform physical lab and field tasks.
Microsoft Word, Microsoft Excel
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1d
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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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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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Intern (Groundwater Recharge)
Chino, California, United States
$21/hr FieldMultiple Commitments Available
Inland Empire Utilities Agency
Inland Empire Utilities Agency: Provides regional wastewater treatment and wholesale water distribution services.
High school diploma/GED required; current enrollment in or graduation from college studies in hydrology, geology, engineering, environmental sciences preferred. Valid California Class C driver's license required, ability to lift up to 50 lbs, strong written/oral communication and computer skills.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint
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2d
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Intern (Product Marketing)
Garden Grove, California, United States
$17-$22/hr OnsiteFull Time
Microchip Technology
Microchip TechnologyNasdaq: MCHP: Manufacturer of microcontrollers, analog, and mixed-signal integrated circuits.
Currently pursuing a degree in business, marketing, engineering or related field; familiarity with marketing and electrical engineering concepts; strong communication and teamwork; proficiency with Microsoft Office, PowerPoint, Excel; Tableau familiarity.
Microsoft Office, Microsoft PowerPoint, Microsoft Excel, Tableau
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8h
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Department of Transportation - Paid Student Internship
Riverside, California, United States
$18-$22/hr OnsiteInternship
County of Riverside
County of Riverside: Provides regional government services and public safety for county residents.
Currently enrolled in a Bachelor's program (Civil Engineering preferred), minimum 2.5 GPA, must provide transcript and resume, available ~20 hrs/week, able to perform traffic-related data and field work.
Microsoft Office Suite, Adobe Creative Suite, Canva
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1mo
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Data Engineering Intern, AI & Analytics - Fall 2026
Palo Alto or Irvine
$45-$51/hr OnsiteInternship, Full Time
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle technology and AI-driven connectivity solutions.
Currently pursuing an MS or PhD in CS/ML/EE or related field; strong Python skills, experience with PyTorch or TensorFlow, solid ML/deep learning and reinforcement learning fundamentals, and familiarity with multimodal/foundation models.
Python, PyTorch, TensorFlow, Cursor
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Summer 2027 - Software Engineering Internship
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$35-$46/hr OnsiteInternship
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
Currently pursuing a Bachelor's or Master's in a technical field, experience with one or more programming languages (C,C++,Python,Java,Go,SQL,JavaScript), strong problem-solving and communication skills.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs
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3mo
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International Program Manager
Poway, California, United States
$91k-$163k/yr HybridFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
9+ YOERequires 9+ years program administration experience, degree in engineering/science/technical field (or equivalent experience), ability to obtain DoD clearance, program management and leadership skills, international experience preferred.
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