Internships in Lake Forest, California, United States

The South Orange County Community College District (SOCCCD) Building Leadership Opportunities Through Outstanding Mentorship (BLOOM) Faculty Internship Program provides those endeavoring to become future community college faculty with an engaging, hands-on opportunity to preview the inner workings of this career. We offer participants training in inclusive pedagogical development, equitable outcomes, comprehensive student support, and modern teaching methodologies, as well as invaluable insights

As a James Hardie intern, you will gain hands-on experience in your chosen field while contributing to meaningful projects that drive business results. Our 12-week paid internship program is designed to provide real-world industry exposure, strengthen your professional and technical skills, and help prepare you for a successful career.

As a James Hardie intern, you will gain hands-on experience in your chosen field while contributing to meaningful projects that drive business results. Our 12-week paid internship program is designed to provide real-world industry exposure, strengthen your professional and technical skills, and help prepare you for a successful career.

As a James Hardie intern, you will gain hands-on experience in your chosen field while contributing to meaningful projects that drive business results. Our 12-week paid internship program is designed to provide real-world industry exposure, strengthen your professional and technical skills, and help prepare you for a successful career.

The South Orange County Community College District (SOCCCD) Building Leadership Opportunities Through Outstanding Mentorship (BLOOM) Faculty Internship Program provides those endeavoring to become future community college faculty with an engaging, hands-on opportunity to preview the inner workings of this career. We offer participants training in inclusive pedagogical development, equitable outcomes, comprehensive student support, and modern teaching methodologies, as well as invaluable insights

Allergan Aesthetics, an AbbVie company, develops and markets leading aesthetics brands including Botox, CoolSculpting, and Juvéderm. As a Commercial Leader Program – Aesthetics MBA Intern, you will join an integrated brand team to work on meaningful assignments impacting the business and patients worldwide.

As a Customer and Partner Solutions Engineer, you’ll help Google scale partner integrations, technical solutions, and developer enablement initiatives worldwide with the help of AI and automation. You’ll collaborate with product/engineering, external partners, developers, and internal engineering teams to design, implement, and troubleshoot technical integrations (APIs, SDKs, and platform protocols).

W.E. O'Neil Construction's Assistant Project Engineer (2027 Summer Intern) supports the project team with administrative and engineering functions for a construction project. Day-to-day work includes setting up CMiC and PlanGrid, maintaining submittal and RFI logs, documenting progress photos, tracking material procurement, and assisting with meeting minutes and closeout binders.

Our Cybersecurity Consultant Development Program is an immersive paid-training internship program designed to help participants strengthen the technical and professional skills needed to enter the workforce as a full-time Information Security Associate.

ENGEO 360° is a comprehensive summer internship designed for talented university students to explore professional engineering consulting careers within a dynamic and empowering environment. We give our interns real responsibilities that impact projects and add value to our work.

Marvell's Ph.D. Intern Program places doctoral candidates directly inside these active design and research efforts. Projects are selected because they sit at the intersection of Marvell's most pressing optical engineering challenges and the photonics, signal processing, and device physics that define doctoral research in this field.

We have an exciting opportunity in the Orange County/Inland Empire/Coachella Valley (OIC) Market for an intern to support our Development and Operations Teams. As an intern supporting our Spring Heart Challenge, Go Red for Women, and STEM events, you will play a key role in driving the success of these impactful campaigns.

As a Business Data Scientist, you will be a subject matter specialist for translating business problems from your supported organization or functional area into analytical solutions and insights. You will provide technical mentorship in delivering project work including implementing data science solutions, improving data pipelines, developing evaluation metrics, or building statistical models that provide insights to the business.

College Financial Representatives in the internship program at Northwestern Mutual are provided guidance, connection, and a framework for building an integrated financial planning practice from the ground up. Our college financial representatives, who come from varying academic backgrounds and experiences, begin to build a financial planning practice while engaging local and nationwide experts, exclusive financial products, and the support of a Fortune 500 company.

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.

This internship offers active‑duty service members a chance to gain hands‑on experience across engineering, IT, HR, and business operations while transitioning to civilian life. As a DoD SkillBridge partner, Salas O’Brien provides immersive, skills‑aligned projects at multiple U.S. locations, with hybrid or remote options.

WSP USA hosts hundreds of interns across the United States to gain hands-on, meaningful work experience to enhance their education and professional aptitude. Our interns gain exposure to real projects while working side by side with senior staff.

KPFF is seeking summer interns interested in experiencing the daily life of a Structural Engineer. We provide you with a summer packed with training programs to prepare you to be successful, activities to help you connect with our team, and real-world projects to apply your skills.

Grow your career as a Field Engineer Internship- Summer 2027 at our California Buildings district in Glendale, California, Irvine, California, San Diego, California, Santa Barbara, California , with the support you deserve. At PCL, we invest in your learning, well-being and future.