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DIT Software Engineer Intern

Company:
Cmu
Location:
Arlington, VA
Posted:
February 24, 2026
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Description:

What We Do: The SEI helps advance software engineering principles and practices and serves as a national resource in software engineering, computer security, and process improvement. The SEI works closely with defense and government organizations, industry, and academia to continually improve software-intensive systems. Our core purpose is to help organizations improve software engineering capabilities and develop or acquire the right software, defect free, within budget and on time, every time.

Position Summary

The Threat Analysis Directorate is a group of security experts focused on advancing the state of the art in security at a national and global scale. The DIT Software Engineer intern will contribute to a variety of core functions including:

Software Design and Development of AI applications

Documentation

Requirements:

Enrolled in a degree granting program.

Willingness to travel to various locations to support the SEI’s overall mission. This includes within the SEI and CMU community.

You will be subject to a background check and must be eligible to work in the United States without Visa sponsorship.

Able to work an internship during the summer

Able to work onsite at the SEI Arlington office

Knowledge, Skills and Abilities:

Ability to critically think and problem solve

Solid understanding of software development in Python

Basic proficiency with software design as well as Docker and Linux environments

Familiarity with AI models and development frameworks

Ability to collaborate internally and externally with professional engineers and researchers

Willingness to learn new technologies with cross-functional teams

Desired Experience:

Experience with Python

Experience with training AI/ML models

Basic understanding of cybersecurity concepts

Experience with clearly documenting and communicating findings

Job Function Breakdown:

Software engineering (design, development, testing): 80%

Documentation of Results: 20%

TOTAL = 100%

Carnegie Mellon University is an Equal Opportunity Employer/Disability/Veteran.

This position is based onsite at the SEI Arlington office 5 days a week.

LocationArlington, VA

Job FunctionNon-CMU Students

Position TypeIntern (Fixed Term)

Full time/Part timeFull time

Pay BasisHourly

More Information:

Please visit “Why Carnegie Mellon” to learn more about becoming part of an institution inspiring innovations that change the world.

Click here to view a listing of employee benefits

Carnegie Mellon University is an Equal Opportunity Employer/Disability/Veteran.

Statement of Assurance

2024183

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