Navy Shore Sustainment Support (N3S)
Updated
Solicitation from the Department of the Navy. Due Dec 9, 2026, 3:00 PM (UTC-5), 29 days left.
| Solicitation number | N6523627R0007 |
|---|---|
| Agency | Department of the Navy |
| Office | Niwc Atlantic |
| Notice type | Solicitation |
| Set-aside | None |
| Trade (NAICS) | Engineering Services (541330) |
| Product or service code | K058 |
| Posted | Nov 9, 2026 |
| Response deadline | Dec 9, 2026, 3:00 PM (UTC-5) (29 days left) |
| Add the deadline to | Google Calendar · Apple / Outlook (.ics) |
Description
*This RFP was originally drafted with the document identifier of N6523626RE088. Due to system limitations, the document identifier changed to N6523627R0007 to reflect the document s FY27 release. This amendment is issued to update any reference to the original document identifier and extend the Question and Answer period and proposal submission date.* This opportunity is for SeaPort-NxG MAC HOLDERS ONLY. No other offers will be considered.
SeaPort-NxG MAC holders will need to register for PIEE accounts in order to receive solicitations and submit proposals/offers. Naval Information Warfare Center Atlantic (NIWC Atlantic) Charleston, SC requires Navy Shore Sustainment Support (N3S) for the Engineering Services and Cyber Authorization (ESCA) Integrated Product Team (IPT). The contractors will be tasked to accomplish the work as specified in the Performance Work Statement (PWS).
The PWS and Contract Data Requirements List (CDRL) include Controlled Unclassified Information (CUI) and will not be made publicly available. In order to obtain access to the PWS and CDRL, the offeror shall download, complete, and submit a Non-Disclosure Agreement (NDA) for each individual requiring access to the non-public documents to [email protected]. Questions are due to [email protected] by 12:00 pm Eastern Standard Time on 23 November 2026.
Contracting contact
- Jessica Glisson · [email protected] · (843) 609-8607
As published on the official notice. Ask questions in writing and before any questions deadline the notice sets.
Is your business small enough?
For NAICS 541330, a business counts as small if it has no more than $25.5 million in average annual receipts (SBA size standard). This notice is not set aside, but the size decides your small business status on it. SBA table, current as of Oct 15, 2026.
Notice history
- Nov 9, 2026: Solicitation Due Dec 7, 2026, 3:00 PM (UTC-5)
Companies that win this kind of work
Federal contractors paid for engineering services work, who also hold Navy contracts (last 12 months): possible competitors, or partners to team with.
- Electric Boat Corporation $7.3 billion in this trade
- Booz Allen Hamilton Inc $1.5 billion in this trade
- Science Applications International Corporation $1.4 billion in this trade
- CACI, Inc. - Federal $743.5 million in this trade
- BAE Systems Technology Solutions & Services Inc. $700.0 million in this trade
About the buyer
The Department of the Navy awarded $130.1 billion in contracts in the last 12 months; its biggest suppliers were Electric Boat Corporation, Lockheed Martin Corporation and RTX Corporation. See what Navy is buying now.
Engineering Services contracts right now
There are 170 open government contract opportunities in this trade (NAICS 541330), 69 posted in the last 7 days; 46% are set aside for small businesses. The agencies buying the most are Department of the Navy, Department of the Army and Department of the Air Force. Most of the work with a stated place is in California, Maryland and Virginia. A notice in this trade gives a median of 25 days from posting to deadline; this one gives 30 days.
All open engineering services contracts
Coming up in this trade
Planned contracts from the agencies' procurement forecasts, often months before a solicitation. Plans can change.
Recent awards in this trade
- Stanley-DOWL JV $243,994 · Departmental Offices · Nov 4, 2026
- Vali Cooper International LLC $81,008 · Department of Energy · Nov 4, 2026
- Vali Cooper International LLC $798,003 · Department of Energy · Nov 4, 2026
- Wbrc Inc. $417,089 · Department of Veterans Affairs · Nov 2, 2026
- Lockheed Martin Corporation $10.4 million · Department of the Army · Oct 30, 2026
From the award notices agencies publish.