FreeTender
Accepting bidstenderUnited States

513 CVN MCS Seaport — Engineering and Technical Services

Issued by DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NSWC PHILADELPHIA DIV · via SAM.gov — US federal contract opportunities

Verify & apply on the official portal →
Published
25 Aug 2026
Closes
24 Sept 2026, 17:00 UTC
Reference
N6449826R3105
Location
United States
Sector
Construction & Infrastructure

Details

DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NSWC PHILADELPHIA DIV is soliciting 513 CVN MCS Seaport — Engineering and Technical Services. Solicitation number N6449826R3105. Classified under NAICS 541330 — Engineering Services. Product/service code R425 — ENGINEERING AND TECHNICAL SERVICES. Responses are due by 24 September 2026 17:00 UTC. Posted on SAM.gov, the US federal contract opportunities system; registration is required to bid.

--- The procurement is limited to SeaPort-NxG (Multiple Award Contract (MAC) holders only. This solicitation will be competed under the SeaPort-NxG MAC amongst all MAC holders on an unrestricted basis. --- The Naval Surface Warfare Center Philadelphia Division (NSWCPD), Code 513, requires contractual support for the provisioning of modernization-engineering, life cycle, and in-service engineering support to meet readiness and safety criteria. The support shall include computer program development, systems engineering, testing, equipment harvesting, integrated logistic support (ILS), waterfront support and installation for new ship construction and in service ships for CVN68 Class, CVN78 Class, Columbia Class, FF(X) Class, Amphibious ships, USCG cutters, and FMS vessels and other new ship classes. This support is applicable for Machinery Control Systems (MCS), Damage Control Systems, and Network Systems. The resulting award will be a Cost-Plus-Fixed-Fee (CPFF) SeaPort-NxG Task Order.

Context for bidders

We hold 3 notices from DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NSWC PHILADELPHIA DIV, going back to August 2026 — 3 of them still open. They buy mostly in Construction & Infrastructure, electronics-semiconductors and Manufacturing & Supply. There are 689 open Construction & Infrastructure tenders in United States. This one closes in 16 days.

Before you bid on this tender

A quick checklist to help you decide whether to bid and prepare a compliant submission for this construction & infrastructure opportunity. Always verify the details on the official source.

  • Confirm the exact closing date and time (and time zone) on the official portal — deadlines are strict and can be revised by a corrigendum.
  • Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
  • Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
  • Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
  • Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
  • Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.
Common bidding mistakes to avoid →Writing a winning proposal

More Construction & Infrastructure tenders

All Construction & Infrastructure tenders →

FreeTender mirrors this notice for reference. Verify the details and bid on the official portal.

Verify & apply on the official portal →