Internships in Aliso Viejo, California, United States

Marsh & McLennan Insurance Agency LLC (MMA) is a wholly owned subsidiary of Marsh, serving the risk prevention and insurance needs of middle market companies in the United States. MMA is the 9th largest insurance broker in the United States with annualized revenues of approximately 1.5 billion.

A design‑oriented internship offering 3‑4 months of full‑time experience in landscape architecture, urban design, and planning projects across multiple U.S. locations. Candidates will develop 3D models, renderings, and presentation graphics, assist with construction drawings, and collaborate with senior designers in a hands‑on environment.

Operations team at CellCarta supports clinical trial site functions by managing sample digitization, documentation filing, and paperwork generation. The intern digitizes biological samples on imaging platforms, organizes storage conditions, reviews study files for completeness, and ensures regulatory compliance.

Alcon seeks a motivated intern to join its Life Cycle Management team in Lake Forest, CA, for a 10‑12 week summer 2026 internship. The role involves collaborating with host and embedded software engineers to upgrade legacy products, applying analytical and scripting skills, documenting processes, and presenting project outcomes.

AVEVA seeks a Services Intern to join its Delivery team in Lake Forest, CA. The role blends technical development with client engagement, offering hands‑on experience in software design, deployment, and testing across industrial sectors. Interns will shadow experts, contribute to solution design, and support global standards for data architecture.

Be a part of and learn how the Human Factors Engineering Team support Alcon projects from diagnostic instruments, through planners, to surgical instrumentation and how usability is a commercial advantage as well as meeting regulatory requirements.

College Intern – Resort Operations at Marriott Vacations Worldwide offers a 3‑ or 6‑month internship focused on hands‑on experience across resort operations. Interns gain in‑person, on‑site exposure in departments such as Housekeeping, Food & Beverage, Safety & Security, Front Office, and Recreation/Activities.

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.

Ad Operations team at ODK Media builds and manages the ad tech stack that powers multi‑million impression campaigns across its streaming platforms. The Advertising Operations Intern supports senior campaign managers by setting up and QA‑checking campaigns in Google Ad Manager and SSPs, monitoring pacing, troubleshooting ad tags, and assisting with performance reporting.

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.

Engineering Internship Program at Edwards Lifesciences. Interns contribute to medical device solutions by developing and testing designs across R&D, Quality, and Manufacturing, documenting results, and participating in design reviews.

Intern Conversion - R&D Engineer at Stryker supports medical device product development by designing, testing, and verifying mechanical components, prototyping, and conducting root cause analysis. The role involves collaborating with R&D, Quality, Manufacturing, Regulatory, and Project Management teams to ensure project success and compliance with industry standards.

Growth Marketing team at ODK Media builds an organic traffic engine for the Amasian TV streaming platform. The SEO Intern will conduct keyword research, optimize on‑page elements, draft SEO‑focused content, and grow the brand’s Reddit community to boost discoverability.

Marketing team at ODK Media creates and curates premium Asian streaming content. The intern supports bilingual social media and blog initiatives, crafting posts, visuals, and campaign assets while tracking performance with GA4 and analytics tools.

Transportation Business Group at HDR focuses on designing resilient highways, bridges, and transit systems to support sustainable communities. As a Geotechnical Engineering Intern you will assist with calculations, site investigations, drilling, and logging to support project teams, applying standard engineering techniques under supervision.

Advertising Operations Team at ODK Media drives the end‑to‑end programmatic ad lifecycle across Web, CTV and Mobile. The Intern supports campaign trafficking, real‑time delivery troubleshooting and performance analytics while collaborating with cross‑functional teams.

FAST Business Unit at ODK Media creates short-form vertical video content from Asian entertainment libraries. The intern extracts 15‑second highlights, edits them into 9:16 videos, and manages daily uploads while tracking fan engagement.

Engineering Internship at Viant Technology, an AI-powered advertising platform for CTV. Interns work on real-world engineering projects, collaborating with cross‑functional teams to build and improve advertising solutions. Irvine, CA headquarters, on-site Monday‑Friday, full‑time summer internship.

Support sales operations by researching markets, summarizing reports, and maintaining data systems in a modern Irvine office.

Ingram Micro seeks a Video Producer Intern to support marketing and branded video content creation during a 10‑week paid summer internship. Responsibilities include camera operation, lighting setup, audio recording, video editing, and multi‑camera studio productions.