Internships in Westminster, California, United States

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.

Layup Parts’ mission is to deliver composite parts faster through technology-first manufacturing. As an Electrical Engineering Intern, you’ll help build out our automated factory, design, retrofit, and commission robots and other automated systems, and collaborate with software and mechanical design teams to solve tough problems.

Join Layup Parts as a Software Engineering Intern to build factory operating systems, design production interfaces, and develop tools that accelerate composite manufacturing for aerospace and defense clients.

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.

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.

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.

STRUCTURAL, a leading concrete repair contractor, offers a Construction Project Engineer Internship for Summer 2025 in Garden Grove, CA. The role involves project management support, estimating, budgeting, cost management, scheduling, production tracking, client relations, safety, quality control, and business development. Candidates should have a Bachelor's degree or be pursuing one in Construction Management, Civil Engineering, or related field, strong communication, documentation, organizatio

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.

FirstSteps for Kids seeks motivated interns to support ABA therapy and admin tasks at its Los Alamitos clinic. Interns assist clinical teams, engage children and families, collect therapy data, manage scheduling and records, facilitate check‑in/out, collaborate across teams, and gain skills in development, assessment, practice management, and admin.

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.

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.

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.

Event Operations Intern at OC Sports & Entertainment, LLC. The role supports the Honda Center’s live entertainment team, coordinating event orders, interdepartmental communication, and day‑of‑show logistics to deliver safe, memorable experiences. Interns work on‑site in Anaheim, assisting with planning, promotion support, and operational documentation while gaining exposure to venue management systems and budgeting.

An internship and co‑op opportunity at Marathon Petroleum Corp. (MPC) offers high‑performing college students in Civil, Electrical, or Mechanical Engineering hands‑on experience in the Logistics & Storage organization.

Northwestern Mutual College Financial Representatives internship program builds future financial planners through hands‑on mentorship and proprietary planning tools. Interns prospect and network to grow client bases, develop business strategies, and prepare financial plans while engaging weekly coaching and training sessions.

This internship offers hands‑on experience in industrial engineering at UPS. The role involves field observations, data analysis, and report creation to support process‑improvement projects. Interns will research data, develop queries, and prepare presentations that help reduce costs and enhance operational efficiency.

Industrial Engineering Intern at UPS will conduct operational observations, analyze data, develop reports, and support process improvement projects to reduce costs. Responsibilities include identifying business impacts, recommending and implementing process improvements with analysts and sponsors, and preparing presentations and reports.

An internship/co‑op opportunity with Marathon Petroleum’s Logistics & Storage organization offers hands‑on experience in engineering design, project management, cost estimating, scheduling, bid evaluation, construction supervision, safety leadership, and operations coordination. Interns rotate across L&S components—Support Services, Terminals, MPL, and Marine—to gain exposure to pipeline, terminal, and marine operations.

First American’s Data & Analytics division offers a 10‑12 week paid internship for graduate students in AI/Data Science. Interns work with data scientists, engineers, and subject matter experts to build property valuation and collateral analytic models using nationwide property data.