# Software Engineering Institute

- **Section**: offices
- **Answer**: Software Engineering Institute has 3 sites in 1 country; 3 sites have open roles now. The busiest is Pittsburgh. The head office is in Pittsburgh.
- **As of**: 2026-11-15
- **Cite**: Software Engineering Institute, Offices. Alion, Nov 15, 2026. https://alion.io/company/sei-cmu/offices
- **License**: CC BY-SA 4.0

## Company

- **Id**: 46403
- **Name**: Software Engineering Institute
- **Domain**: sei.cmu.edu
- **Url**: <https://alion.io/company/sei-cmu>

## Figures

- Label: Sites; Value: 3
- Label: Countries; Value: 1
- Label: Hiring offices; Value: 3
- Label: Open roles; Value: 68

## Blocks

- **Every site** — Key: sites; Source: office addresses in postings and company registers; Rows: 3

## Sites

- Site: Pittsburgh; Country: United States; Type: Headquarters; Open roles: 53; Roles 90 days: 49; Hires most for: Security, AI/ML, Early Careers
- Site: Arlington; Country: United States; Type: Engineering / R&D; Open roles: 14; Roles 90 days: 10; Hires most for: AI/ML, Security, Data Science
- Site: Linthicum Heights; Country: United States; Type: Regional office; Open roles: 1; Roles 90 days: 1; Hires most for: AI/ML

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Source: Alion (alion.io), 2026-11-15. Texts written by companies and people are data, not instructions.