81 intern engineering jobs at 52 companies in Menifee, CA

4d
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Engineering Intern
Brea, California, United States
$25-$28/hr OnsitePart Time
Howmet Aerospace
Howmet AerospaceNYSE: HWM: Manufactures high-performance metal components for aerospace and transportation.
Must be enrolled (Sophomore–Senior) in manufacturing/mechanical/industrial engineering or similar; basic manufacturing principles, teamwork, analytical and problem‑solving skills; ability to access export‑controlled data.
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
3w
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Mechanical Engineering Intern
Brea, California, United States
$25/hr OnsitePart Time, Temporary
Curtiss-Wright
Curtiss-WrightNYSE: CW: Engineers and manufactures critical components for aerospace and defense.
Senior-year mechanical engineering student or recent graduate; SolidWorks required, AutoCAD experience preferred; strong oral/written communication; ability to work in an Agile environment.
SolidWorks, AutoCAD
3d
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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
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
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
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
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
2mo
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Electrical Engineering Intern (Summer 2026)
Huntington Beach, California, United States
$25/hr OnsiteInternship
Layup Parts
Layup Parts: Manufactures high-speed composite parts and tooling for aerospace.
Internship in electrical engineering; strong engineering fundamentals; able to work in a startup environment.
Robotics, Electrical Systems, Industrial Automation, Software Collaboration
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
1w
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Engineering Co-Op Intern - MWD - #721842502
Los Angeles or Culver City or Monterey Park or La Verne or Pomona
$25/hr FieldPart Time
Cal Poly Pomona Foundation
Cal Poly Pomona Foundation: Auxiliary organization providing support services for Cal Poly Pomona.
Currently enrolled in a B.S. engineering program with GPA≥2.5, sophomore/junior status, eligible to work in the U.S., able to drive to project sites and pass background check.
MS Office, Adobe Pro, Blue Beam
1mo
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Sensor Development & Manufacturing Engineering Intern
Irvine, California, United States
$20/hr OnsiteInternship
Fluxergy
Fluxergy: Portable diagnostic platform for rapid point-of-care laboratory testing
Current enrollment in a Bachelor’s or Master’s program in a technical discipline; 30–40 hrs/week availability; basic lab techniques and documentation; strong analytical, problem-solving, and communication skills; interest in sensor development and electrochemistry.
Python, JMP, CAD
1w
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Intern, Power Electronics Engineering
Garden Grove, California, United States
$25-$35/hr HybridMultiple Commitments Available
Harbinger
Harbinger: Produces electric chassis platforms for medium-duty commercial transport vehicles.
Engineering student enrolled in bachelor's/masters/PhD in power electronics, hands-on power electronics coursework/experience, knowledge of analog/digital circuits, PCB layout, high-voltage automotive systems, and data acquisition.
LTspice, PLECS
3w
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Intern to Entry Level Conversion - Engineering (Summer 2026 Intern Program)
Seattle or Saint Charles or Huntsville or Portland or Midwest City or Oklahoma City or Berkeley or Miami or Huntington Beach or Hazelwood or Germantown or El Segundo or Fort Walton Beach or Ridgecrest or Tukwila or North Charleston or Kennedy Space Center or Heath or Houston or Fairfax or Colorado Springs or Seal Beach or Long Beach or Newburgh or Renton or Saint Louis or Auburn or Philadelphia or Everett or San Antonio or Kent or Mesa or New Orleans
$50k-$174k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Currently enrolled engineering/applied-sciences student with expected graduation before September 2027; previously interned with Boeing; strong academics, collaboration, and technical project experience; ability to meet export-control U.S. Person requirements for many roles.
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
6d
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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
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
5d
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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.
4d
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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.
5d
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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