Internships in Fountain Valley, California, United States

A student internship program at Coastline College offers hands‑on experience in technical, analytical, and research tasks. Eligible students must be enrolled in an LAEP program, meet financial aid requirements, and take coursework related to the internship.

An apprenticeship program for aspiring cybersecurity professionals at Coast Community College District. Apprentices, aged 17 and older, will engage in hands‑on learning and classroom instruction to master computer support and cybersecurity skills.

Manufacturing Engineering team at Cambro Manufacturing focuses on optimizing production processes and driving continuous improvement. The Manufacturing Engineer Intern will support design and implementation of new processes, collect and analyze tool data, create documentation, and assist with cross‑functional improvement projects.

Northwestern Mutual College Financial Representative Internship Program builds future financial planners by providing guidance, networking, and a framework for integrated financial planning. Interns prospect and network to build client bases, develop business strategies, and prepare financial plans using proprietary software while receiving weekly coaching and training.

The Manufacturing Engineer Intern at Layup Parts will design molds, generate production kits, and optimize manufacturing processes for composite parts. The role involves hands-on production work to identify bottlenecks and improve efficiency.

Volunteer/Internship – Law Student Externship at the Superior Court of Orange County offers law students an unpaid, hands‑on experience in legal research and memorandum drafting. Externs work behind the scenes, supporting judges and clerks with civil, criminal, family, and juvenile matters.

Design Services at Stand Out For Good, a women’s fashion company, seeks a Textile Design Intern to join its Orange County studio. The intern will research trends, create prints and graphics, prepare production-ready artwork, and produce tech packs while collaborating closely with the design team.

Hardware Engineering: Electrical Engineering team at Anduril Industries designs and builds advanced defense electronics. The intern will design circuits, create PCB prototypes, develop firmware for microcontrollers and embedded Linux, and troubleshoot hardware-software issues alongside cross‑functional engineers.

Intern - Construction & Purchasing (Costa Mesa) is a summer internship at Brookfield Residential, a leading North American land developer and homebuilder. The role is based in Costa Mesa and includes on‑site work at assigned construction sites.

Mechanical Engineering team at Anduril Industries designs and builds defense hardware prototypes, integrating AI-powered Lattice OS. The Mechanical Engineer Intern will design and fabricate prototypes, run analyses, create test plans, and collaborate with vendors and test sites. In-person internship across Atlanta, Boston, Costa Mesa, Irvine, and Seattle, 12 weeks, 3 days onsite per week, relocation assistance available.

Join AAA’s Roadways College Internship Program as an Insurance Team Analyst Intern. Over 10 weeks, interns collaborate with Home and Auto Insurance teams, contribute to system enhancements, develop foundational knowledge of insurance products, and participate in Agile ceremonies.

Vans seeks an energetic eCommerce Intern to support the digital storefront during a 12‑week summer program. The role involves auditing site content, QA testing pricing and promotions, and assisting merchandising tasks such as product tagging and collection sorting.

The Veterinary Emergency Group (VEG) offers an unpaid externship for veterinary technology students to gain hands‑on experience in emergency medicine. Participants work alongside credentialed technicians, shadowing triage, diagnostics, anesthesia, and inpatient care.

Manufacturing Production team at Anduril Industries builds and assembles advanced defense systems on the Lattice OS platform. As a Production Technician, you will follow detailed blueprints to assemble mechanical and electrical components, perform quality checks, and maintain safety protocols in a fast‑paced environment.

Maritime & Maneuver Dominance: Heavy Metal - Engineering & Operations team at Anduril Industries designs and builds next‑generation autonomous underwater vehicles. The Naval Architect Co‑op will own scoped projects such as hull resistance analysis, volume trade studies, structural scantling, and propulsion trade studies, delivering engineering artifacts with mentor support.

Product Marketing team at Microchip Technology enables key product marketing activities for the High Reliability Analog and Power division. The intern creates and manages collateral, conducts market analysis, supports go‑to‑market plans, and contributes content for product promotion while collaborating across teams.

Production Finance team at Harbinger Motors, building scalable financial processes for EV manufacturing and launch. The intern supports reporting, analytics, and automation across finance, manufacturing, quality, and logistics, creating models, dashboards, and process documentation.

Public Affairs team at John Wayne Airport builds community engagement and strategic communications for the airport. The intern creates social media content, supports event logistics, and drafts communications materials while gaining hands‑on experience in public relations and digital outreach.

Harbinger Motors Marketing Team drives brand growth and market expansion for the next‑generation medium‑duty electric vehicles. The Marketing Intern supports event planning, content creation, campaign operations, and cross‑functional collaboration to boost lead generation and dealer enablement.

Power Electronics Team at Harbinger Motors, developing electric vehicle power systems. The intern assists with design, testing, and validation of inverters, chargers, and converters, creates PCB layouts, runs simulations, and documents results.