Internships in Hayward, California, United States

Uline seeks a motivated college student for a paid summer internship in outside sales. The role offers hands‑on experience selling to diverse industries, weekly training, mentorship, and a phone and car allowance.

Apprentice Teacher Assistants support YMCA Early Childhood Impact centers across the East Bay, providing high‑quality care and instructional assistance to children of all abilities. In this on‑site apprenticeship, candidates help lead classroom activities, supervise children, assist with meal service, and maintain safe learning environments.

The Store Assets Protection Executive Intern (Store Leadership Intern) role offers a summer internship in the Greater Bay Area, California, where interns work closely with a mentor to learn the AP business area and other team functions within Target stores. Interns will manage a security culture, including crisis response, safety environment, and crowd management planning, execute strategic AP strategies and goals, identify and develop resolutions for external theft and fraud, conduct internal a

Externship Opportunities at VetnCare offer veterinary students a 2‑week, hands‑on experience in a supportive clinical environment. Interns shadow veterinarians, observe diagnostics, treatment planning, and case management, and gain exposure to surgery, dentistry, urgent care, and exotic animal medicine.

Fuse is pioneering fusion energy, aiming to deliver limitless, clean power by replicating the sun’s process. As an intern, you’ll join the Titan project, helping build the next‑generation fusion generator.

Fuse is pioneering fusion energy, building Titan, a next‑generation fusion generator. As an intern, you’ll work on the R&D team in San Leandro, contributing to design, testing, and integration of cutting‑edge components.

Indie Campers seeks a Tourism & Operations Intern to join our San Francisco Depot. The role offers hands‑on experience in RV and campervan rentals, covering front‑office customer service, sales, and back‑office operations such as reservation alignment, vehicle preparation, quality control, and fleet coordination.

Unpaid internship with City of Huntsville offering students in technical, public administration, or business fields hands‑on experience. Interns work across city departments, performing research, data collection, report writing, and stakeholder interviews.

Store Executive Intern (Store Leadership Intern) is a paid 40‑hour/week internship that provides hands‑on training in retail store leadership. Interns lead teams, drive guest experience, manage sales and merchandising, and learn operational performance.

Target Data & Analytics team builds data pipelines to support business insights. As an ETL Intern you will assist in designing, developing, and testing data extraction and transformation processes, collaborating with senior engineers to ensure data quality.

Are you seeking a dynamic, fast-paced paid internship? The Office of California Senator Jerry Mc Nerney is looking for enthusiastic and motivated individuals to join our team.

Kairos Power's Engineering teams in Salt Chemistry, Fuels, and Materials are advancing nuclear energy solutions. Interns will collaborate on chemical, materials, and process engineering projects, conducting experiments, data analysis, and documentation while gaining hands‑on experience in labs and manufacturing settings.

Core Technology team at Rondo Energy develops high‑temperature heat battery platforms for industrial decarbonization. The intern supports thermal and fluid performance analyses using 1D simulation tools, builds steady‑state and transient thermal models, and validates results against test data.

People Team at Astra offers an internship program for incoming sophomores, juniors, and seniors across engineering and business disciplines. Interns contribute to spacecraft and launch vehicle design, systems engineering, CAD modeling, analysis, testing, and documentation while working alongside senior engineers.

Protiviti Applications department at Robert Half is building generative AI applications to power enterprise solutions. The intern designs, develops, and evaluates LLM‑based conversational agents using RAG, prompt engineering, and embeddings.

Protiviti Applications department at Robert Half is building AI‑driven applications to shape the company’s technological future. The intern designs, develops, and maintains generative AI apps, uses RAG and prompt engineering, evaluates LLM outputs, and communicates results to stakeholders.

Neuralink seeks a Software Engineer Intern to develop and enhance implant and charger SDKs, maintain brain interface software, and improve manufacturing and monitoring systems. The role requires strong programming skills, Linux experience, and a focus on production reliability.

Neuralink seeks a Robot Optics Intern to design, simulate, and test optical systems for surgical robots and consumables. The role involves building and calibrating imaging subsystems, troubleshooting optomechanical assemblies, developing image processing software, and documenting procedures.

Brain Computer Interface (BCI) Applications Team at Neuralink builds devices that let people with paralysis control computers, phones, gaming consoles, and robotic arms with their minds. As a Machine Learning Engineer Intern you develop novel neural decoders to boost control speed, accuracy, and reliability, and design new BCI functionalities and user interfaces in collaboration with neuroscientists, physicians, and engineers.

Pony.ai’s Autonomous Mobility team builds cutting‑edge Robotaxi, Robotruck and POV solutions. As a Software Engineer Intern you’ll design AI decision algorithms, create scalable data pipelines, and develop system‑level evaluation metrics and simulation environments.