36 project engineer intern jobs at 32 companies in Costa Mesa, CA

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Project Engineer
Jurupa Valley, California, United States
$81k-$110k/yr OnsiteFull Time
Crane Company
Crane CompanyNYSE: CR: Manufactures engineered components for aerospace and industrial process markets.
3+ YOEBachelor's in engineering or 3+ years in piping/construction/mechanical engineering; knowledge of cryogenic systems, CAD/SOLIDWORKS, NFPA/ASME/CGA codes; project coordination, modeling, drafting; frequent domestic/international travel.
SOLIDWORKS, CAD software, Microsoft Office Suite, CRM, ERP
2mo
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Project Engineer Intern - Summer 2027
Sacramento or Oakland or Commerce or San Diego or Goodyear or Manassas
$21-$28/hr OnsiteFull Time
Helix Electric
Helix Electric: Provides electrical contracting and design-build services for complex projects.
Enrolled in a bachelor’s degree program; construction or engineering focus; internship or related experience preferred; strong communication, math, and organizational skills.
BIM, Accubid, Excel, AutoCAD, Microsoft Office
2w
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Spring 2027 Construction Project Engineer Intern ($19-$24)
Compton or Cincinnati
$19-$24/hr OnsiteInternship
The Kroger Co.
The Kroger Co.NYSE: KR: Operates supermarkets, pharmacies, and jewelry stores across America.
Current college student pursuing Construction Management or Engineering (preferred GPA 3.0); motivated, strong communication, analytical skills; customer-service oriented; prior construction experience preferred.
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
2mo
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Intern
Rancho Dominguez, California, United States
$20-$25/hr OnsiteFull Time
The Brock Group
The Brock Group: Provides specialty craft and maintenance services for industrial facilities.
0+ YOEInternship for construction management/engineering students; organized, detail-oriented; able to learn quickly; supports various project teams.
Microsoft Office, Bluebeam, Primavera, MS Project
2w
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Disneyland Construction Project Management Intern, Spring 2027
Anaheim, California, United States
$31-$36/hr OnsiteFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
Currently enrolled junior/senior or graduate student in construction/civil/architecture/engineering, GPA≥3.0, prior construction co-op/intern experience preferred, proficiency with Microsoft Office Suite, strong communication and organizational skills, ability to work full-time Jan–Jun 2027 and possess unrestricted work authorization.
Microsoft Office Suite
1mo
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Manufacturing Engineer Intern
Santa Fe Springs, California, United States
$20/hr OnsitePart Time
RD Rubber Technology Corporation
RD Rubber Technology Corporation: Manufacturer of custom precision molded rubber components.
Internship requiring familiarity with engineering calculations, CAD modeling, prototyping, manufacturing processes, and the ability to prepare reports and support continuous improvement projects; hands-on manufacturing experience preferred.
CAD
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
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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.
5d
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Engineering Intern – Summer 2027
Fridley or Tempe or Eatontown or Santa Rosa or Lafayette or Boulder or Plymouth or Mounds View or Irvine or North Haven or Memphis or Newton or Dexter or Santa Ana or Mansfield or Fort Worth or Minneapolis or Brooklyn Center or Jacksonville or Boston or Brooklyn Park
$27-$45/hr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
Enrolled in BS/MS engineering (biomedical, mechanical, electrical, industrial, materials, computer or related) with expected graduation 2027–2029; U.S. work authorization required; minimum 3.0 GPA preferred; prior engineering coursework/projects preferred.
CAD
3d
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WED - 2027 New Grad Engineer I (For Current & Recent HNTB Interns Only)
Los Angeles or Los Angeles or Los Angeles
$76k-$115k/yr OnsiteFull Time
HNTB
HNTB: Designs and manages large-scale transportation and infrastructure projects.
Bachelor's degree in Engineering, current or recent HNTB intern (Los Angeles), ability to assist with designs, calculations, reports, and project support.
6d
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Mechanical Engineering Intern / Co-op
Torrance or Mojave
$25-$40/hr OnsiteMultiple Commitments Available
GITAI
GITAI: Developing autonomous robotic systems for labor in space.
1+ YOECurrently enrolled in a relevant bachelor’s or master’s program;1+ year hands-on student engineering project experience;experience taking hardware through design, fabrication, assembly, and test;3D CAD proficiency;U.S. work authorization and U.S. citizenship or equivalent for export-controlled work.
SolidWorks, GD&T
12h
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Electrical Engineering Intern - Fall
El Segundo, California, United States
$3k-$5k/mo OnsiteSeasonal
Rainmaker
Rainmaker: Provides cloud seeding services using drones and radar.
Experience with PCB design software, embedded systems, microcontrollers, embedded programming, power electronics, EE lab equipment, and technical projects outside the classroom.
Altium, KiCad, Raspberry Pi, NVIDIA Jetson, STM32, ESP32, RP2040, Rust, Arduino, Python, C++, Oscilloscope, Power Supply, DC Load
5d
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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
2d
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Sheriff's Department Paid Internship - Project Management Office
Riverside, California, United States
$17-$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 or Graduate program with 2.5+ GPA, must provide transcript and resume; strong writing, communication, analytical, and teamwork skills; coursework or interest in public administration, budgeting, procurement, construction, or engineering.
Microsoft Office Suite, Adobe Creative Suite, Canva
4w
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Sales Agency Project Intern (Scaled Growth) - 2026 Start (BS/MS)
Los Angeles, California, United States
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
Pursuing BS/MS in Business/Economics/Engineering or related; strong analytical skills, Excel/Google Sheets proficiency; fluent English and Portuguese; organized and able to manage sales operations.
Microsoft Excel, Google Sheets, Looker, Tableau
3w
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Program Manager Intern
Burbank, California, United States
$25/hr OnsiteInternship, Part Time
Senior
SeniorLondon Stock Exchange: SNR: Designs and manufactures high-technology components for aerospace and land vehicles.
Student or recent graduate in engineering/physics; strong MS Office skills, problem-solving, communication, and ability to support NPD and program management tasks.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
6d
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Operations Intern - Summer 2027
Rancho Cucamonga or Peachtree City or Mount Prospect or Greenfield or Lowell or Mentor or Painesville or Fairport Harbor or Miamisburg or Oak Harbor or Neenah
$26-$29/hr OnsiteInternship
Avery Dennison
Avery DennisonNYSE: AVY: Manufacturer of materials science and digital identification products.
Pursuing a Bachelor’s in engineering (chemical/mechanical/industrial preferred), previous internship or relevant experience, willing to relocate, reliable transportation, pass background and drug screening; sponsorship not available.
RFID
1mo
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Development/Construction Management Intern
Irvine, California, United States
OnsiteInternship
NorthPoint Development
NorthPoint Development: Develops and manages industrial and multi-family real estate assets.
Currently pursuing a bachelor\u0002s degree in civil engineering or construction management; strong communication, organization, attention to detail, and eagerness to learn; comfortable working independently and in teams.
3w
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AI-First Engineering Intern
Los Angeles, California, United States
$20-$25/hr OnsiteInternship
Xsolla
Xsolla: Provides payment and monetization tools for game developers.
Experience using agentic AI coding tools, full-stack development comfort, proof-of-work portfolio (GitHub or deployed projects), currently a CS/software student or recent graduate, strong initiative and communication.
Claude Code, Cursor, Copilot, GitHub, APIs, SDKs, Loom