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67 engineering internship jobs at 35 companies in San Marcos, CA

4w
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2027 Gas Turbine Product Engineering Internship
San Diego, California, United States
$26-$43/hr OnsiteInternship
Solar Turbines
Solar TurbinesNYSE: CAT: Manufacturer of industrial gas turbines and turbomachinery systems.
Currently pursuing a 4-year or advanced engineering degree, GPA≥2.8, classified as sophomore+; problem solving, communication, and multitasking skills; prior co-op/internship preferred.
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6d
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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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6d
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Engineering Intern
Tijuana, Baja California, Mexico
OnsiteMultiple Commitments Available
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 related field, preferably in the ninth semester; advanced English, statistics, analytical skills, and customer service orientation required.
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17h
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Engineering Intern
San Diego, California, United States
$21-$25/hr OnsiteMultiple Commitments Available
IRP Medical
IRP Medical: Manufacturer of precision silicone and elastomer components for medical devices.
0+ YOECurrently enrolled in college, university, or a relevant technical program; strong analytical, organizational, communication, data validation, and collaboration skills. No prior professional experience required.
ERP, BOM, spreadsheets, word-processing, presentation, email, data-analysis tools
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3w
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Mechanical Engineering Intern
San Diego, California, United States
$30/hr OnsiteInternship, Full Time
Seasats
Seasats: Builds autonomous surface vessels for persistent maritime intelligence.
2–3 years of mechanical engineering coursework, SolidWorks experience, ability to read/create mechanical drawings, hands-on fabrication and assembly experience, attention to detail; manufacturing and GD&T exposure preferred.
SolidWorks
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1mo
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Product Engineering Intern - Manufacturing Systems & Fixture Design
San Diego, California, United States
$30-$35/hr OnsiteInternship, Full Time
Quantum Design
Quantum Design: Manufactures automated materials characterization and scientific measurement systems.
Currently pursuing a bachelor's in engineering, physical sciences, chemistry, or related; CAD experience; strong communication, teamwork, and problem-solving skills; at least two years of coursework completed.
CAD
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1mo
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Intern Engineering
Tijuana, Baja California, Mexico
OnsiteInternship
Qualcomm
QualcommNASDAQ: QCOM: Designs and manufactures semiconductors and wireless telecommunications products.
Currently enrolled in a Bachelors, Masters, or PhD in electrical engineering or related field (graduating Dec 2026 or later); preferred experience in embedded systems and Python.
Python
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5d
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2027 TE Connectivity's Career Pathways Program - Internship
Wayne or Minneapolis or Carlsbad or Fremont or Fairview or Fuquay-Varina or Greensboro or Hampton or Jonestown or Manheim or Medway or Middletown or Mount Joy or Plymouth or Troy or Tullahoma or Wilsonville or Winston-Salem or United States
$17-$55/hr HybridMultiple Commitments Available
Thurgood Marshall College Fund
Thurgood Marshall College Fund: Provides scholarships and professional development for HBCU students.
Pursuing a BA/BS in engineering, finance, operations, or supply chain; sophomore or junior standing, 3.0 GPA, high school diploma/GED, full-time availability, communication skills, and U.S. work authorization required.
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1d
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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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2mo
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DOD SkillBridge - Electronics Engineer 2/3 - Comms/Networks
San Diego, California, United States
$92k-$138k/yr HybridFull Time, Internship
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEDoD SkillBridge internship for Electronics Engineer levels 2/3; STEM degree with 2-5 years experience; DoD Secret clearance; relocation assistance; travel ~25%.
Networking, RF engineering, Antenna theory, TCP/IP, WAN architectures, Routers, Firewalls, Switches, System design
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1mo
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Graduate Fire and Life Safety Engineer - 2026
San Diego or Los Angeles
$77k-$88k/yr HybridFull Time
Mott MacDonald
Mott MacDonald: Global engineering and management consultancy for infrastructure and development.
Bachelor’s or Master’s in Mechanical or Fire Protection Engineering preferred, ability to take EIT within 12 months, internship or relevant experience, strong communication and problem-solving skills.
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1w
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Operations Early Career Program (OECP) Associate
Perris or Peachtree City or Mount Prospect or Greenfield or Lowell or Mentor or Painesville or Fairport Harbor or Miamisburg or Oak Harbor or Neenah or Mount Juliet
$86k/yr OnsiteFull Time
Avery Dennison
Avery DennisonNYSE: AVY: Manufacturer of materials science and digital identification products.
Bachelor's in engineering, internship/co-op or relevant manufacturing experience, leadership and volunteer engagement, reliable transportation, willing to relocate; sponsorship not available.
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14h
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Systems Integration Engineer 1
San Diego, California, United States
$68k-$103k/yr OnsiteFull Time
Illumina
IlluminaNASDAQ: ILMN: Provides genomic sequencing and array-based solutions for genetic analysis.
0+ YOEBachelor's or master's degree in engineering or science; 0–2 years relevant experience including research, internships, or co-ops; wet-lab experience, complex-system troubleshooting, data analysis, and cross-functional communication.
Python
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2w
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Mechanical Engineer I
San Diego, California, United States
$75k-$90k/yr OnsiteFull Time
Affiliated Engineers
Affiliated Engineers: Provides engineering design and consulting for complex buildings.
BSME/BSAE from ABET school, minimum GPA 2.5, internship or MEP experience preferred, EIT/FE a plus, strong communication and organization skills.
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3mo
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Staff Px Business Partner, Engineering (R4850)
San Mateo or San Diego
$110k-$170k/yr HybridMultiple Commitments Available
Shield AI
Shield AI: Develops autonomous flight software and unmanned aircraft for defense.
8+ YOEBachelor’s degree in HR, Business, or related field; 8+ years HR experience supporting engineering/product/technical orgs; experience partnering with senior Engineering leaders; global HR experience with COEs/Shared Services; strong talent market understanding; proficient in HCM systems and people analytics.
HCM systems, People analytics
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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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2mo
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DOD SkillBridge - Electronics Engineer 2/3 - Comms/Networks
San Diego or Rancho Bernardo
$92k-$171k/yr HybridMultiple Commitments Available
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEDoD SkillBridge internship for transitioning service members. Requires STEM degree with 0–5+ years experience depending on level, Secret clearance to start, ability to obtain Top Secret, networking and RF/comms experience, and familiarity with Visio/Catia.
TCP/IP, WAN, routers, firewalls, switches, RF, SATCOM, Iridium, INMARSAT, Ku, CDL, Starlink, Visio, Catia, ARCs
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1w
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Project Engineer Intern
Escondido, California, United States
$23-$25/hr OnsiteInternship
One Stop Systems
One Stop SystemsNASDAQ: OSS: Manufacturer of high-performance ruggedized edge computing systems.
High school diploma required; engineering college students preferred. Self-motivated, organized, able to lift ~50 lbs, perform engineering and design tasks under supervision, and work in office/warehouse environments.
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2mo
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Project Engineer Intern
San Diego, California, United States
$22/hr OnsiteInternship
ISEC
ISEC: Installs architectural woodwork and specialty finishes for commercial buildings.
Enrolled in or recently graduated from Construction Management, Architecture, or Engineering; detail-oriented with strong MS Office skills; team-oriented and proactive.
Microsoft Excel, Microsoft Word, Microsoft Outlook
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2mo
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Intern, Industrial Engineer (Business Excellence)
Aliso Viejo, California, United States
$21-$34/hr OnsiteInternship
MicroVention
MicroVention: Manufacturer of neurovascular medical devices for stroke treatment.
Pursuing a Bachelor’s or Master’s in Business, Engineering, Analytics or related; strong analytical and communication skills; MS Office with Excel emphasis; ability to work cross-functional; eligible to work in the U.S. without visa sponsorship.
Microsoft Office, Microsoft Excel, Power BI
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