Presolicitation
Sole Source Notice of Intent - Unisys System Services
Dept of Defense · Defense Information Systems Agency (DISA) · Sol. 842674820
Due in 7 daysSole source
The agency plans to award to one named company. Others can only submit a capability statement to challenge it.
AI summary Beta
DISA (the Defense Information Systems Agency) intends to award a sole source contract to SAIC for commercial Unisys OS 2200 mainframe system services at Scott AFB, IL. It replaces the current contract HC1084-23-D-0002, which expires November 30, 2026. The service is a complete managed service for more than 3,000 users worldwide.
Watch out for
- Sole source to SAIC. The agency has already chosen SAIC, so a new company is unlikely to win a prime award.
intends to negotiate a sole source contract with Science Applications International Corporation (SAIC)
- Narrow technical niche. The work is managed services for Unisys OS 2200 mainframes, which needs specialized experience and likely OEM relationships.
- Short timeline. The current contract ends November 30, 2026, so the Government needs the new service in place quickly.
which expires on November 30, 2026
Read from the notice text only.
Full brief
What they want
- A complete managed service for the Unisys OS 2200 environment
- Services flexible enough for current and future OS 2200 workloads
- Security, training, and modernization support for the OS 2200 environment
- Uninterrupted, continuous access to applications and data for DISA customers
- Contract type
- Sole source contract (Justification & Approval being coordinated)
- Place of performance
- Scott AFB, IL, USA
- How they'll choose
- No competition planned; sole source to SAIC
- Offers due
- 2026-10-14 8:00 AM Central (as listed in the notice fields: 2026-10-14T08:00:00-05:00)
Current contractor
Current services are provided under contract number HC1084-23-D-0002, which expires on November 30, 2026. The notice does not say who holds it; SAIC is the intended sole source.
Not in the notice text
- How to respond or what a response should contain (no instructions in the text)
- Contract length and any option periods
- Estimated value
- The Justification & Approval document is not yet posted
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Key facts
- Response due
- Oct 14, 2026, 1:00 PM UTC
- Posted
- Sep 29, 2026
- Notice type
- Presolicitation
- Solicitation
- 842674820
- Agency
- Dept of Defense · Defense Information Systems Agency (DISA)
- Office
- It Contracting Division - PL84
- Set-aside
- No Set aside used
- NAICS
- 541519
- Product/service code
- DA10
- Business type
- IT, software & telecom
- Place of performance
- Scott Afb, IL, 62225
- Contracting contact
- Adam Venhausadam.m.venhaus.civ@mail.mil
Full notice text from SAM.gov
The Defense Information Systems Agency (DISA)/Defense Information Technology Contracting Organization (DITCO) intends to negotiate a sole source contract with Science Applications International Corporation (SAIC) for commercial Unisys System Services. A sole source Justification & Approval document is being coordinated and, upon approval, a copy of it will be posted here on SAM.gov to comply with the public display requirements of FAR 6.301. This acquisition will continue to provide DISA HaC with Unisys OS 2200 System Services currently being provided under contract number HC1084-23-D-0002, which expires on November 30, 2026. This procurement will provide DISA HaC the ability to supply Unisys OS 2200 System Services to the current strategic partner (SP) base, in excess of 3,000 users worldwide, utilizing Unisys OS 2200 applications that provide critical support to the warfighter. The scope of this effort will provide a complete managed service that includes flexibility and scope of services sufficient to meet current and future Unisys OS 2200 environment workloads, security, training, and modernization requirements, while ensuring DISA customers receive uninterrupted, continuous access to their applications and data.
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