The SEI: The Leader in Software Engineering, Cybersecurity, and AI Engineering
At the SEI, we research complex software engineering, cybersecurity, and AI engineering problems; create and test innovative technologies; and transition maturing solutions into practice. We have been working with the Department of Defense, government agencies, and private industry since 1984 to help meet mission goals and gain strategic advantage.
Latest Publications

Practical Supervised Machine Learning Classification of Highly Imbalanced Text
May 22, 2025 • White Paper
Austin Whisnant
In this paper, Austin Whisnant describes a machine learning model used to build a corpus of insider threat data to support insider threat...
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Kubernetes (k8s) in the Air Gap
April 15, 2025 • White Paper
Matthew Heckathorn, Maxwell Trdina
This paper explains how the act of mirroring the required container images for a k8s deployment in the air gap has become increasingly simplified in the past few...
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Center for Calibrated Trust Measurement and Evaluation (CaTE)—Guidebook for the Development and TEVV of LAWS to Promote Trustworthiness
April 11, 2025 • White Paper
Andrew O. Mellinger, Tyler Brooks, Christopher Fairfax, Daniel Justice
This guidebook supports personnel in the development and testing of autonomous weapon systems that employ ML, focusing on system reliability and operator...
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At the Software Engineering Institute (SEI), we research complex software engineering, cybersecurity, and artificial intelligence engineering problems; create and test innovative technologies; and transition maturing solutions into practice. The U.S. Department of Defense, as well as other public agencies and private businesses, can meet mission goals and gain strategic advantage by using tools, technologies, and practices developed or matured by the SEI.
News

Model-Based Systems Engineering in Practice Conference Opens Call for Presentations and Registration
May 29, 2025 • Article
The one-day event in August will bridge the gap between MBSE theory and its real-world practice.
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Updated Machine Learning Test and Evaluation Tool and Process Adds Major Features
May 28, 2025 • Article
MLTE version 2.0.0 bridges silos between machine learning model developers and other stakeholders of ML-enabled software systems.
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SEI Study on Defense Department DevSecOps Finds Excellence and Opportunities
May 12, 2025 • Article
The study, released by the DoD Chief Information Officer, found the department should scale up its pockets of DevSecOps success.
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2024 Year in Review Showcases SEI’s Impact on National Security
May 5, 2025 • Article
Crucial research and development in software, cybersecurity, and artificial intelligence enhanced warfighter capabilities and national defense.
Read MoreEducation and Outreach
Discover our numerous training and credentialing opportunities for individual professional development. We also offer workforce development and licensing opportunities for organizations to apply best practices to their operations.
Work With Us
In addition to our work with agencies across the United States government, we partner with academic institutions and private companies to solve key technical challenges for current and future software-reliant systems. You can sponsor research and development, collaborate with us on research, and even get guidance from us to implement new methods.
Careers
Pursue your passion and work alongside world-recognized leaders in the field of software engineering. We invite you to view current employment opportunities, learn about benefits of working at the SEI, and apply for a position.