Internships in San Leandro, California, United States

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.

Flatiron's Intern Program offers college students in Civil Engineering, Mechanical Engineering, and Construction Management challenging, real-world work opportunities. As a Field Engineer Intern, you will apply academic training on project job sites, assisting project managers and on-site construction staff with plan interpretation, project specifications, cost codes, and construction schedules.

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.

Uline Sales Team offers a fast-paced, high-energy environment where interns gain hands‑on experience selling to diverse customers. As an Outside Sales Intern you’ll conduct customer visits, deliver service, and participate in weekly sales meetings while learning from seasoned Account Managers.

Hardware team at Skydio develops next‑gen autonomous flight technology. The Operations Program Management Intern supports hardware development programs, coordinating schedules, milestones, and cross‑functional activities while creating dashboards and tracking risks.

Helix Electric, a leading electrical contracting firm, seeks a Project Engineer Intern to support project managers, coordinate with field teams, and contribute to project planning, budgeting, and safety. The role offers hands‑on experience across construction phases, mentorship, and exposure to BIM, Accubid, and procurement processes.

Structural Engineering Internship at Simpson Gumpertz & Heger (SGH) in Oakland, CA. The role supports SGH’s mission to deliver holistic engineering solutions by assisting with construction monitoring, field investigations, drafting, structural design, and client deliverables. Interns work onsite in the Oakland office, gaining hands‑on experience with hand calculations, analysis software, and field testing.

Charles River Associates (CRA) is a global economic and financial consulting firm advising law firms, corporations, and governments on litigation, regulatory, and business strategy matters. This Summer 2027 Analyst/Associate Internship targets 2028 Bachelor's/Master's graduates in quantitative fields and places interns in practices such as Antitrust & Competition, Finance, Labor & Employment, and Life Sciences/Litigation & Policy across Boston, Chicago, New York, Oakland, Salt Lake City, and Was

Helix Electric, a leading electrical contracting firm, seeks a Project Engineer Intern for Fall 2026. The intern will support project managers, coordinate between field and office, and contribute to project planning, execution, and budgeting.

UnCommon Law's Operations and Finance Team seeks an undergraduate Operations Intern (Spring 2027) to support day-to-day nonprofit operations and internal systems. The intern will handle reception, correspondence, office systems, and records management while learning how these functions support the organization's mission of healing and justice for incarcerated people.

Kimley-Horn is seeking Engineering students to join its Oakland, California office for a Summer 2027 civil engineering internship. Interns will use technical software to analyze, produce, and QC deliverables, contributing to pre-construction civil engineering design, planning, modification, permitting, and analysis across multiple projects.

WeVote is a 100% volunteer-powered, nonpartisan nonprofit building an open-source platform that helps voters make informed decisions through digital voter guides. As a Recruiting Intern, you will learn recruiting, interviewing, and talent operations by screening applications, conducting video interviews with potential volunteers, and partnering with the team to create volunteer opportunities.

Kimley-Horn is seeking Landscape Architecture students to join its Oakland, California office for Summer 2027. The intern will use technical software to analyze, produce, and QC deliverables, contributing to site planning, urban and landscape design, and graphic and technical production across land planning, redevelopment, residential, streetscape, and public infrastructure projects.

Charles River Associates (CRA) is a global consulting firm providing economic, financial, and business management expertise to law firms, corporations, and governments. This Summer Analyst/Associate Internship places candidates in Finance, Intellectual Property, or Transfer Pricing practices to deliver live client consulting projects over an 8-10 week program.

Legal Department at Uncommon Law provides trauma-informed advocacy for incarcerated individuals. Legal Interns support the team by drafting communications, managing legal databases, conducting research, and assisting attorneys on case work.