Internships in Costa Mesa, California, United States

Manufacturing Engineering team at Anduril Industries designs and builds aerospace structures using carbon fiber composites. The Manufacturing Engineer Intern will conduct trade studies, design solutions, procure hardware, and test prototypes to support composite structure programs.

Software Engineering team at Anduril Industries builds mission-critical software for defense systems powered by Lattice OS. The Software Engineer Intern will support deployed solutions, write code to improve products, collaborate across teams to build and test complex functionality, and create metrics for debugging while triaging issues. Positions are in Atlanta, GA; Boston, MA; Costa Mesa, CA; Irvine, CA; Seattle, WA, on-site for a 12‑week paid summer internship.

IT Support Intern at Carollo Engineers, a leading engineering firm in Costa Mesa, CA. The intern will assist the IT team in troubleshooting hardware and software issues, maintaining network equipment, and supporting end‑user training. The role is based in Costa Mesa with a hybrid model: 3 days onsite, 2 days remote.

PIMCO is a global leader in active fixed income. The 2026 Summer Internship – Client Management Account Analyst is a two‑location program at Newport Beach, CA and Austin, TX. Interns will support investment professionals by gathering, analyzing, and discussing economic and market trends, evaluating portfolio structures, and delivering attribution analyses to Account Managers and their clients.

PIMCO, a global leader in active fixed income, offers a 2026 Summer Internship for a Private Family Capital Analyst. The role supports Account Managers with client projects, due diligence, and market research to aid portfolio monitoring.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Chipotle seeks a Data Platform Engineering Intern to build and maintain scalable data pipelines using DBT and Azure Data Factory, develop Terraform IaC for Azure, Databricks, and Snowflake, and support the migration of legacy data warehouses. The intern will collaborate with platform analysts, maintain non‑prod environments, apply security and governance standards, manage MDM, and contribute to design discussions and code reviews.

Chipotle is seeking an Agile Project Management Intern to join its Continuous Delivery Office. The role offers hands‑on exposure to Agile, Hybrid, and Lean delivery practices, scaled governance, and AI initiatives.

Chipotle seeks a creative Social Media Intern to craft engaging content across TikTok, Instagram, X, YouTube Shorts, and Facebook. The role involves collaborating with the Social Media Manager and Listening team to strategize, post, and amplify fan-driven content, identify real-time trends, and build relationships with superfans.

Chipotle seeks an intern to join its sustainability team, focusing on waste reduction and circular economy initiatives. The role involves analyzing packaging adoption rates, assessing environmental impacts of materials, evaluating extended producer responsibility regulations, and researching circularity of packaging options.