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Summer 2027 C# internships in Pennsylvania
As of November 12, 2026, Intern Insider listed 7 open Summer 2027 internships in Pennsylvania that mention C#, from 6 companies. The listings that mention C# are Software Engineering, Data & Software Engineering (Infra) and Electrical Engineering roles at employers such as Lockheed Martin, AV and Chatham Financial. None of these listings is marked remote. Browse the roles by employer below. You can read the full posting free, then apply in minutes with a free account.
7 open roles · 6 companies · 2 added this week
Lockheed Martin2 open
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As of November 12, 2026, Intern Insider listed 7 open Summer 2027 internships in Pennsylvania that mention C#, from 6 companies.
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