Summer 2026 Internship Jobs (On-site work)

Launch your engineering career with a Summer 2026 internship at Viant in Irvine. As a motivated UCI student, you'll tackle real-world projects embedded within our talented teams. Gain mentorship, networking, and a potential path to full-time employment through this personalized experience.

Gain real-world IT experience during this three-month summer internship at Victaulic's headquarters in Easton, PA. You will own impactful projects, collaborate directly with teams, and develop key technical skills. This role is for undergraduate IT students, offering competitive pay, networking e...

Launch your management career with this paid Summer 2026 internship in Vallejo/Fairfield. Designed for university seniors graduating by December 2026, you'll gain real-world business, leadership, and customer service experience. You'll tackle the same challenges as full-time professionals in a co...

Launch your management career with this paid Summer 2026 internship in Berkeley. Designed for university seniors graduating by December 2026, you'll gain real-world business, leadership, and customer service experience. Develop highly marketable skills by managing operations, strategy, and a team...

Launch your management career with this paid Summer 2026 internship in Walnut Creek. Gain real-world business, leadership, and customer service experience in a team-based environment. You'll tackle the same challenges as full-time professionals, developing highly marketable skills. Must be a grad...

Join Valvoline's R&D team for a hands-on summer internship in Lexington, KY. You will support the light duty engine oil group through formulation blending, testing, and data analysis for key projects. This 12-week, on-site role is ideal for a Chemistry, Biology, or Engineering student with strong...

Join our R&D team as a Technical Services & Field Test Intern in Lexington, KY. This hands-on role involves analyzing lubricant performance data and supporting field tests for engine, transmission, and gear oils. Ideal candidates are Mechanical, Chemical, or Data Science students with strong team...

Join T-Mobile's 11-week paid Summer 2026 internship in Frisco, USA. As a Software Development Intern specializing in Salesforce, you'll design scalable solutions using Agile, Java/C++, and CI/CD tools. Gain hands-on experience with enterprise architecture and impactful projects, supported by ment...

Join Valvoline's R&D team for a hands-on Summer 2026 internship in Lexington, KY. As an Antifreeze R&D Intern, you will perform formulation blending, lab testing, and data analysis. This role is ideal for a Chemistry, Biology, or Engineering student seeking practical laboratory experience. You mu...

Join T-Mobile's 11-week paid Product Management Internship in Bellevue. Drive innovation in device services like financing and trade-in programs. Collaborate with cross-functional teams, gain hands-on experience, and create immediate impact. Ideal for motivated students seeking a dynamic, fast-pa...