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27 field engineer intern jobs at 15 companies in El Cajon, CA

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Intern Engineer
Tijuana, Baja California, Mexico
OnsiteInternship
Qualcomm
QualcommNASDAQ: QCOM: Designs and manufactures semiconductors and wireless telecommunications products.
Currently enrolled in a bachelor's or master's program in electrical engineering or a related field, graduating December 2026 or later; RF or VNA measurement experience preferred.
VNA
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3mo
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Software Engineer Intern (2026 Summer)
San Diego, California, United States
$5k-$7k/mo OnsiteInternship
Whova
Whova: All-in-one platform for event management and attendee engagement.
Currently enrolled as a junior/senior, master’s, or doctoral student in a computer science/engineering field; strong understanding of data structures, algorithms, and computer systems.
JavaScript, TypeScript, HTML, CSS, REST APIs, Front-end development, Back-end development
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1w
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Engineering Intern
Tijuana, Baja California, Mexico
OnsiteMultiple Commitments Available
Medtronic
MedtronicNYSE: MDT: Developing and manufacturing medical technologies and therapies globally.
0+ YOECurrently pursuing a bachelor's degree in industrial engineering or related field, preferably in the ninth semester; advanced English, analytical and statistics skills required.
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1w
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Engineering Intern
Tijuana, Baja California, Mexico
OnsiteFull Time, Temporary
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
Currently pursuing a bachelor's degree in industrial engineering or a related field, preferably in the ninth semester; advanced English, analytical skills, statistics knowledge, and a proactive mindset required.
Statistics
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1mo
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Software Engineer Intern
San Diego, California, United States
$24-$39/hr HybridFull Time, Internship
Sony
SonyNYSE: SONY: Sells consumer electronics, video games, and entertainment media.
Currently enrolled undergraduate or graduate student in software engineering or related field; experience with Golang, Rust, NodeJS, MySQL, Vue, React; familiarity with Linux and shell; AWS, Docker, and CI/CD experience preferred.
Golang, Rust, NodeJS, MySQL, Vue, React, Linux, shell languages, AWS, Docker, CI/CD
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3mo
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Survey - Land Survey Intern
San Diego, California, United States
$20-$25/hr OnsiteInternship
KPFF
KPFF: Provides structural and civil engineering design and consulting services.
0+ YOEPursuing degree in civil engineering, geomatics, surveying; 0-1 year experience; interest in land surveying; field and office work; basic CAD familiarity helpful.
AutoCAD Civil 3D
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1mo
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Field Service Scientist (CA, San Diego)
San Diego, California, United States
FieldFull Time
Surface Optics
Surface Optics: Manufactures hyperspectral imaging systems and precision optical instruments.
Perform on-site delivery, installation, maintenance, repair, troubleshooting, and customer training for reflectometer and other instrumentation; develop documentation and contribute to product improvement; frequent domestic and international travel (~50%).
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1w
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Video/Image AI/ML Software Engineer Intern (Multimedia) - 2027 Start (PhD)
San Diego, California, United States
OnsiteInternship
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
Currently pursuing a PhD in a technical field; strong C/C++ or Python skills; image/video analysis knowledge; machine learning or deep learning experience with PyTorch or TensorFlow; rigorous experimental and communication skills.
C, C++, Python, VMAF, PSNR, SSIM, PyTorch, TensorFlow, Transformer, AVC, HEVC, AV1, VP9, ARM, RISC-V, RTOS
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3mo
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Shipyard Management Intern Spring/Summer 2026
San Diego or California or United States
$50k-$69k/yr OnsiteFull Time, Internship
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
Currently enrolled at a maritime academy pursuing a bachelor\u0002s degree in naval architecture, marine engineering, maritime affairs, or related field; sophomore year completion preferred; ability to access shipboard spaces; familiarity with Microsoft Office; strong communication and problem-solving skills.
Microsoft Office Suite
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1w
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Department Specialist (Engineering Intern)
Escondido, California, United States
$20/hr OnsitePart Time
City of Escondido
City of Escondido: Providing municipal governance and public services to Escondido residents.
High school completion plus college-level engineering coursework or experience. Pursuing or recently completing an engineering degree is ideal. Valid California Class C driver's license required for field work.
Microsoft Excel
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1mo
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2027 Business Analyst Intern
San Diego, California, United States
$23-$40/hr OnsiteInternship
Solar Turbines
Solar TurbinesNYSE: CAT: Manufacturer of industrial gas turbines and turbomachinery systems.
Currently pursuing a Bachelor's or Master's in engineering or business-related field, GPA ≥2.8, familiarity with Lean/Six Sigma and process improvement, strong analytical and communication skills.
Microsoft Excel, Microsoft Power BI, Minitab, JMP
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1mo
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Software Engineering Intern- Python Modernization & Automation
San Diego, California, United States
$32-$38/hr OnsiteFull Time, Internship
Quantum Design
Quantum Design: Manufactures automated materials characterization and scientific measurement systems.
Currently pursuing a bachelor's in CS or related field with ~2 years coursework, Python coding experience, strong communication, problem solving, and attention to documentation and testing.
Python, Subversion (SVN), Git
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2d
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Software Engineering Intern III, Summer 2027 (Onsite)
San Diego, California, United States
$50k-$68k/yr OnsiteMultiple Commitments Available
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
Must be entering junior or senior year or pursuing graduate study in a coding-related field, with data structures, object-oriented programming, and proficiency in Java, C++, C#, Python, or JavaScript.
React, AngularJS, AWS, Azure, Rancher, Kubernetes, Gradle, Spring, Oracle, PostgreSQL, MySQL, MongoDB, AllegroGraph, MarkLogic, Redis, DynamoDB, SQL, NoSQL, Angular, HTML 5.0, CSS 3.0, SASS, ReactJS, WebSockets, WebGL, OpenGL, GSSL, Canvas, Qt, ChartJS, D3, Spring Framework, Maven, Docker, Kafka, Bash, NodeJS, GitLab, Jenkins, Git, Kubertes, Helm, Elasticsearch, MathWorks, OpenCV, PyTorch, ArcGIS, QGIS
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2d
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Digital Delivery Internship - 2026
San Diego, California, United States
$18-$30/hr HybridInternship, Temporary
Mott MacDonald
Mott MacDonald: Global engineering and management consultancy for infrastructure and development.
Student or recent graduate in engineering, construction management, computer science, data science, information management, architecture, planning, or related field; strong analytics, problem-solving, communication, and teamwork skills.
Microsoft Excel, Power BI, Python, SQL, BIM, GIS, Autodesk, Bentley, Esri, Microsoft 365, Microsoft SharePoint, Power Platform
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2w
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Becario - Automatizacion
Tijuana, Baja California, Mexico
OnsitePart Time, Internship
Jabil
JabilNYSE: JBL: Provider of comprehensive global manufacturing and supply chain solutions.
Currently pursuing or recently completed a diploma, undergraduate, or postgraduate program in a relevant field. Prior academic, project, or internship exposure is advantageous but not required.
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1w
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Communications Systems & Spectrum Compliance Lead
El Segundo or Los Angeles or Washington, D.C. or San Francisco or San Diego or Seattle or London
$150k-$190k/yr FieldFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
Bachelor's degree or equivalent experience; 7+ years in RF communications, spectrum management, or telecom regulation; tactical radio, SATCOM, RF link, and 5G experience; U.S. clearance eligibility and domestic/international travel.
Coherent Distributed Networks (CDN), 5G, Starlink, MPU5, RF, SATCOM, O-RAN, Software-Defined Radio, ITAR, EAR, Wassenaar Arrangement, CE/RED, ANATEL, IFT, SRRC, WPC-ETA, NBTC, DoD, DISA, Joint Spectrum Center, Microsoft Excel
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3d
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ISO Specialist
Tijuana, Baja California, Mexico
OnsiteFull Time
Hussmann
Hussmann: Manufacturer of commercial refrigeration systems and food merchandising solutions.
2+ YOEBachelor's degree in engineering or a related technical field; 2–3 years in manufacturing QMS, ISO 9001, internal and external audits, corrective actions, nonconformities, document control, and cross-functional teams.
QMS, ISO 9001, 5 Whys, Fishbone Diagram, 8D, Pareto Analysis
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