Tech Internships in Costa Mesa, CA

Tech internships in Costa Mesa, California, listed from company career pages: software, data, hardware, security, product and design roles whose primary location is Costa Mesa, CA. A posting that names Costa Mesa as one of several sites is listed under its first location, and fully remote roles have their own page. The list is checked every 6 hours: new postings show up here soon after they go up, and a role leaves the list once the company takes it down or it is 31 days old. Each Apply button opens the posting on the employer's site.

Open now: 9 for Summer 2027 and 1 for Winter 2027. By field: 4 in Hardware & Embedded Engineering, 3 in Manufacturing & Industrial, 1 in Data Science & Machine Learning and 1 in Product Management. Top companies: Anduril Industries (9) and Crowe (1). More than half of these are at Anduril Industries.