IT Consulting Illinois Closed Reviewed

Sources Sought for Mainframe and Legacy System Modernization

SAM.gov

Defense Information Systems...

SCOTT AFB, Illinois

Posted Feb 27, 2026
Closed Mar 13, 2026
Mainframe Legacy System Modernization $500K+

About This Opportunity

The Defense Information Systems Agency is seeking sources for mainframe and legacy system modernization services. The procurement focuses on modernizing outdated mainframe and legacy systems to enhance capabilities. Vendors with relevant expertise in these technologies are encouraged to respond.

This bid is 98% technology related

A strong match for technology vendors

Why we classified this as tech

NAICS 541519 (Computer Systems Design Services) is a strong signal for IT services, and the title explicitly describes mainframe and legacy system modernization, which is core digital transformation work for IT companies, system integrators, and software developers. PSC DA01 falls under IT/Telecom Services, confirming high relevance.

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Deadline Passed

Closed on Mar 13, 2026

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