Request for Proposals for Modeling, Simulation, Engineering, Analysis, and Tactics (MSEAT)
Overview
Buyer
Place of Performance
NAICS
PSC
Set Aside
Original Source
Timeline
Qualification Details
Fit reasons
- NAICS alignment with historical contract wins in similar service areas.
- Scope strongly matches core technical capabilities and delivery model.
Risks
- Past performance thresholds may require one additional teaming partner.
- Potential clarification needed on staffing minimums before bid/no-bid.
Next steps
Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.
Quick Summary
The Department of the Navy has issued a Request for Proposals (RFP) for Modeling, Simulation, Engineering, Analysis, and Tactics (MSEAT) services. This opportunity, identified as N6133126R3105, is a Total Small Business Set-Aside and is exclusively open to Seaport NxG Multiple Award Contract (MAC) holders. Proposals must be submitted via the PIEE Solicitation Module. The final response date is January 26, 2026.
Scope of Work
This RFP seeks comprehensive services in Modeling, Simulation, Engineering, Analysis, and Tactics (MSEAT). Specific details regarding the scope are available within the full solicitation documents, which are to be accessed through the Seaport NxG announcement page.
Contract & Timeline
- Opportunity Type: Solicitation (RFP)
- Set-Aside: Total Small Business Set-Aside (FAR 19.5)
- Previous References: Source Sought Notice N61331-25-SN-Q38 (7/11/2025) and Advance Planning Notice (11/7/2025), previously numbered N6133126R3006.
- Response Due: January 26, 2026, 10:40 PM EST
- Published Date: January 22, 2026
- Product Service Code: R425 (Engineering And Technical Services)
Amendments
Amendment 0001 (January 9, 2026):
- Incorporated omitted attachments J.11 Labor Rate Workbook and J.12 GFP List.
- Amended Section L, paragraph 3.2, changing the past performance evaluation period from three to five years.
- Replaced Section J Attachment J.4 Cost Summary Format with Attachment J.4 Cost Proposal Spreadsheet.
- Updated verbiage in clauses L-215-H006 and L-216-H0001 to support PIEE Solicitation Module submission.
- Updated verbiage in Section L, 1.0 and Volume III, 3.3.1-3.3.3 for PIEE Solicitation Module submission.
- Inserted Volume IV, 3.4.2 Solicitation Fill-ins.
Amendment 0002 (January 21, 2026):
- Removed obsolete "BLK 4" verbiage from the remarks section of CDRL A010 on Exhibit A.
Submission & Contact
- Submission Method: Responses MUST BE SUBMITTED VIA THE PIEE SOLICITATION MODULE.
- Documents: Utilize documents found within the Seaport NxG Announcement for Opportunity N6133126R3105.
- Updates: Refer to the Amendment Log within the Seaport announcement for all RFP updates.
- Primary Contact: TIMOTHY GEORGE, timothy.s.george2.civ@us.navy.mil, 8507718593.