33 field engineer intern jobs at 23 companies in Fullerton, 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
3w
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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.
1d
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Engineering Intern
Rancho Santa Margarita, California, United States
$20-$23/hr OnsiteMultiple Commitments Available
Virtium
Virtium: Designs and manufactures industrial-grade storage and memory modules.
Current college student in engineering, computer science, embedded systems, or related field with basic hardware concepts, analytical and documentation skills, and U.S. work authorization.
Python, C, C++, SSD
1w
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Intern II - CIP
Corona, California, United States
$18-$22/hr OnsitePart Time
City of Corona
City of Corona: Provides municipal services and local governance to the community.
Current enrollment in a related college program with at least one year completed; high school diploma or GED; coursework in engineering, planning, construction, or related fields preferred.
Computer-Aided Drafting (CAD)
15h
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Software Engineer Intern (Foundation Platform) - 2027 Summer
San Jose or Los Angeles or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
Currently pursuing an undergraduate or master's degree in software development, computer science, computer engineering, or a related technical field; experience with Python, Java, Golang, C#, or C++.
Python, Java, Golang, C#, C++
3w
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Fall Engineering Intern
Los Angeles, California, United States
OnsiteFull Time
Odin Dynamics
Odin Dynamics: Developing autonomous underwater vehicles for defense and maritime missions.
Currently pursuing B.S. or M.S. in an engineering or related field, U.S. citizenship required, foundational skills in CAD/CAE, embedded programming or circuit design, and hands-on prototyping experience.
CAD/CAE, embedded systems, E-Verify
1mo
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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
1mo
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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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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
3w
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Intern
Monrovia, California, United States
$21-$30/hr OnsitePart Time
San Gabriel Valley Council of Governments
San Gabriel Valley Council of Governments: Regional government planning agency serving the San Gabriel Valley.
Currently enrolled or recently graduated college students in related fields; experience with Microsoft Office/Excel; interest or coursework in engineering, project management, procurement, or data analysis; able to lift 25 lbs.
Microsoft Excel, Microsoft Word, Power BI, SharePoint, GIS
2w
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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.
2mo
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Automation & Controls Engineering Intern
El Segundo, California, United States
$38-$46/hr OnsiteInternship
Oceanus Maritime Technologies: Building the operating platform for the modern maritime world.
Hands-on building portfolio required; pursuing or recently completed degrees in electrical/computer engineering or related fields.
Electrical Design, Embedded Hardware, Schematic Capture, PCB Design, CAN, UART, SPI, I2C, TCP/IP, UDP, Modbus, Altium, KiCad
2w
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Mechanical Engineering Intern (Summer 2027)
El Segundo, California, United States
$70k/yr HybridInternship
Second Order Effects
Second Order Effects: Engineering firm designing and building custom electronics and systems.
Enrolled college student in engineering/related field with CAD, FEA, and prototyping experience; strong problem-solving and communication skills.
CAD, FEA, CFD
3w
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Intern/Co-op – Geotechnical Engineering (Fall 2026)
Irvine, California, United States
$24-$31/hr OnsiteInternship
Langan
Langan: Provides integrated engineering, environmental, and site development consulting services.
Pursuing a degree in Civil/Geotechnical Engineering, working knowledge of AutoCAD and Microsoft Office, valid driver\u0002s license, strong communication and analytical skills; geotech lab and field exposure preferred.
AutoCAD, Microsoft Office Suite
6d
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Summer 2027 Intern - Hardware Engineering
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$34-$47/hr HybridInternship
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
0+ YOEEarly-career candidates pursuing or holding technical degrees in engineering or related fields; experience via coursework, internships, projects; familiarity with programming, embedded systems, digital logic, or hardware design; strong analytical and communication skills.
RTL, Verilog/SystemVerilog, FPGA, C, C++, Assembly, Python, Java, Go, SQL, JavaScript, CAD, Git, Linux, Microsoft Office, RTOS
3w
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2026-2027 Health, Safety and Environment Intern (Returning Intern)
Richmond or Pasadena or Bakersfield or Belle Chasse or Pascagoula or Midland or Covington or Geismar or El Segundo or Houston or Ames or Greeley or San Ramon or Salt Lake City or Denver
$24-$38/hr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
0+ YOEPursuing a bachelor’s, master’s, or PhD in relevant environmental, safety, or engineering fields; ≤2 years experience; willing to work domestic and international locations; strong regulatory and analytical interest.
1w
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Supply Chain Intern
Hawthorne, California, United States
$20/hr OnsiteFull Time
OSI Systems
OSI SystemsNASDAQ: OSIS: Manufacturer of specialized electronic systems for security and healthcare.
Must be enrolled in college for 2026, pursuing a degree in engineering, business, supply chain, operations or related field; knowledge of Microsoft Office; strong communication, time management, and teamwork skills.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
2mo
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Engineer - Marine
Charleston or Boston or Houston or Seattle or Galveston or Miami or Long Beach or New York or United States or Oakland or Tampa or Savannah or Newark or Philadelphia or Norfolk or New Orleans
FieldFull Time
Savage
Savage: A global provider of supply chain infrastructure and logistics solutions with a focus on team growth and career development.
Must hold a USCG Merchant Mariner Credential (MMC) with international/national endorsements, valid TWIC and U.S. passport, USCG/STCW medical certificate, STCW endorsements, ability to lift 40 lbs, and experience with vessel engineering systems; maritime academy and Assistant Engineer experience preferred.
ABS Nautical Systems NS5, HELM, EMD, Detroit Generators
1mo
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Construction Engineering Internship (Texas/Arizona/Florida/California) - Austin Commercial
Dallas-Fort Worth or Austin or Houston or Phoenix or Orlando or Tampa or Los Angeles
OnsiteMultiple Commitments Available
Austin Industrial
Austin Industrial: Construction and maintenance services for industrial facilities.
Seeking interns for paid construction engineering internships; duties include processing submittals, RFIs, field layout with survey instruments, documenting drawings and supporting quality/safety tasks.
level, theodolite, total station
3d
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2027 Operations Development Program Intern (Undergraduate)
North Chicago or Branchburg or Irvine or Lake County or Waco or Worcester
$21-$38/hr HybridFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
Currently enrolled bachelor's student in engineering/chemistry or related field, expected graduation Dec 2027–Jun 2028, demonstrated leadership and critical thinking, authorized to work in the US without sponsorship.