HYDROSPHERE, BIOSPHERE, & GEOPHYSICS (HBG) SUPPORT SERVICES II - FINAL REQUEST FOR PROPOSAL (FRFP)

NASA Goddard Space Flight Center is seeking a small‑business‑set‑aside contractor to provide comprehensive scientific research and support services for its Hydrosphere, Biosphere, and Geophysics (HBG) sub‑division. The work spans the full range of Earth‑system science activities—including modeling, data assimilation, instrument calibration/validation, field campaign logistics, software and cloud‑based data‑system development, and outreach—across multiple laboratories (Cryospheric Sciences, Ocean Ecology, Hydrological Sciences, Biospheric Sciences, Geodesy & Geophysics, and the Terrestrial Information Systems Laboratory). The contract will be a hybrid IDIQ allowing both Cost‑Plus‑Fixed‑Fee (CPFF) and Firm‑Fixed‑Price (FFP) task orders, with a five‑year ordering period and a minimum total ordering value of $5 M and a maximum ceiling of $419.2 M. Proposals must be submitted electronically via NASA’s EFSS Box by 2 PM ET on 4 Dec 2026, after a mandatory 48‑hour pre‑submission notice to the contracting officer. The award is anticipated in April 2027, with a separate 30‑day phase‑in period beginning May 2027. • Supports Earth‑system science research, remote‑sensing instrument calibration, and data‑product development. • Requires extensive reporting (monthly progress, financial, safety, property, and IT security) and compliance with NASA safety, security, and export‑control regulations. • Small‑business set‑aside (NAICS 541715) with ≤ 1,000 employees; all work performed on‑site at GSFC or at contractor facilities under strict NASA oversight.