81 intern engineering jobs at 52 companies in Menifee, CA
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Engineering Intern
Brea, California, United States
$25-$28/hrOnsitePart Time
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.
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
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.
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
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.
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
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
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.
Los Angeles or Culver City or Monterey Park or La Verne or Pomona
$25/hrFieldPart Time
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.
Sensor Development & Manufacturing Engineering Intern
Irvine, California, United States
$20/hrOnsiteInternship
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.
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.
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/yrOnsiteFull Time
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.
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.
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
Atlanta or Boston or Costa Mesa or Irvine or Seattle or Huntsville
$30-$45/hrOnsiteInternship
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.
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.
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.
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