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Application Development Internship - Year Round

Welcome to BWXT


We believe in empowering our employees and cultivating a dynamic workplace that fosters growth and collaboration. Whether you’re an experienced professional or just starting your career, you'll find opportunities to challenge yourself, learn from seasoned experts, and contribute to nuclear innovation. We require a diverse range of skills to support our work in the markets that drive our business and welcome candidates from all backgrounds and life stages who are passionate about making a difference.

 

Application Development Intern – Onsite in Erwin, TN (Freshmen & Sophomores Only)

U.S. Citizenship Required (DOE Clearance Eligible)

BWXT is seeking a motivated Application Development Intern to join our software development team at our secure facility in Erwin, TN. This is a year‑round, onsite internship with part‑time hours during the academic year and full‑time hours during school breaks.

This role is designed for college freshmen who have completed introductory CS coursework and college sophomores, with at least two years left before graduation.

What You’ll Do

  • Develop, test, and maintain applications using C#, .NET Core/.NET Framework
  • Work with experienced developers in an agile environment
  • Assist with requirements, testing, documentation, and user support
  • Contribute to secure, high‑quality software solutions

Other Skills to be Learned:

  • SQL Server Reporting Services 
  • Source control systems 
  • Agile development methodology  
  • Object Oriented design principles 
  • Windows Presentation Foundation (WPF) 
  • HTML, JavaScript, CSS, XML

What We’re Looking For

  • Currently pursuing a bachelor’s degree in CS, IT, or related field
  • Completed freshman‑level CS coursework
  • At least two academic years remaining
  • Experience with object‑oriented programming
  • Familiarity with C#, .NET, and SQL Server
  • Strong problem‑solving and communication skills
  • Ability to work independently and on a team

Important Requirements

Must be a U.S. citizen (Required for DOE security clearance)
• Must be able to obtain and maintain DOE/NRC clearance
• Must live within a commutable distance (no relocation assistance provided)
• Year‑round availability: part‑time during classes, full‑time during breaks

Preferred Additional Qualifications:

  • Ability to present ideas in business-friendly and user-friendly language