# Spectrum Information Systems (SIS) Helpdesk

Canonical: https://abierto.us/opportunities/632674007

- Solicitation number: 632674007
- Notice type: Sources sought
- Status: Closed. Deadline was March 6, 2026 at 4:00 PM EST
- Department: Department of Defense
- Agency: Defense Information Systems Agency
- Contracting office: Defense Information Systems Agency (HC1047)
- NAICS: 541330 Engineering Services
- Set-aside: Total small business set-aside
- Place of performance: Maryland
- County: Anne Arundel County (FIPS 24003). https://abierto.us/counties/anne-arundel-county-md-24003
- First posted: February 11, 2026
- Last posted: March 2, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/f5f0175ae500492f951d2fb9457a2796/view

## Description

The Defece information Systems Agency (DISA) is seeking information from potential sources for the SIS Helpdesk to provide Tier II technical, administrative, and Electromagnetic Spectrum (EMS) operational support at the basic and advanced level for capabilities within the Global Electromagnetic Spectrum Information System (GEMSIS) program portfolio of applications on Secret Internet Protocol Routing network (SIPRNet) and Non-Classified Internet Protocol Routing network (NIPRNet).

The applications include Joint Spectrum Data Repository (JSDR), Joint Spectrum Interference Resolution Online (JSIRO), Spectrum Twenty-One (SXXI), and End-to-End Supportability System (E2ESS). The draft Perfomance work Statement (PWS) was updated to remove CUI markings. * The purpose of this amendment is to extend the response due date to 27 February 2026.

## Publications

- February 11, 2026: Sources sought, due February 26, 2026 at 4:00 PM EST. Notice 3c2cd222020c462b93b144a0a20db55e. https://sam.gov/workspace/contract/opp/3c2cd222020c462b93b144a0a20db55e/view
- February 13, 2026: Sources sought, due February 26, 2026 at 4:00 PM EST. Notice 6f0a222ea2bd44408db15362359189b3. https://sam.gov/workspace/contract/opp/6f0a222ea2bd44408db15362359189b3/view
- February 19, 2026: Sources sought, due February 26, 2026 at 4:00 PM EST. Notice f7fd3b80c09d45769eb51d8885f01d43. https://sam.gov/workspace/contract/opp/f7fd3b80c09d45769eb51d8885f01d43/view
- February 26, 2026: Sources sought, due February 27, 2026 at 4:00 PM EST. Notice 8d458059f3ea4d638b71c1e1b04ad5a3. https://sam.gov/workspace/contract/opp/8d458059f3ea4d638b71c1e1b04ad5a3/view
- February 26, 2026: Sources sought, due February 27, 2026 at 4:00 PM EST. Notice c5ac4a4555884661bd1c2b9dbb8942dc. https://sam.gov/workspace/contract/opp/c5ac4a4555884661bd1c2b9dbb8942dc/view
- February 27, 2026: Sources sought, due March 6, 2026 at 4:00 PM EST. Notice 72d61906e6fd4f969acca13cea3d3b11. https://sam.gov/workspace/contract/opp/72d61906e6fd4f969acca13cea3d3b11/view
- February 27, 2026: Sources sought, due March 6, 2026 at 4:00 PM EST. Notice b2f1200d12304c3da610726f7f0e9552. https://sam.gov/workspace/contract/opp/b2f1200d12304c3da610726f7f0e9552/view
- March 2, 2026: Sources sought, due March 6, 2026 at 4:00 PM EST. Notice 1eaecb47386c4e0cabeeddedf04606ca. https://sam.gov/workspace/contract/opp/1eaecb47386c4e0cabeeddedf04606ca/view
- March 2, 2026: Sources sought, due March 6, 2026 at 4:00 PM EST. Notice 72dd815974974ae784135eda6ca7c596. https://sam.gov/workspace/contract/opp/72dd815974974ae784135eda6ca7c596/view
- March 2, 2026: Sources sought, due March 6, 2026 at 4:00 PM EST. Notice d019381358a045ac81724bf8a087cca3. https://sam.gov/workspace/contract/opp/d019381358a045ac81724bf8a087cca3/view
- March 2, 2026: Sources sought, due March 6, 2026 at 4:00 PM EST. Notice f5f0175ae500492f951d2fb9457a2796. https://sam.gov/workspace/contract/opp/f5f0175ae500492f951d2fb9457a2796/view

## Points of contact

- Maola Masafu, maola.w.masafu.civ@mail.mil
- Octavia Griffith, octavia.griffith.civ@mail.mil

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/632674007.