NASA Chemist Jobs in 2026

Chemistry at NASA is not the chemistry of beakers and titrations most people picture -- it is the science of developing materials that survive re-entry temperatures, propellants that push spacecraft to other worlds, and analytical methods that detect signs of life in samples from Mars and beyond.

The Role of Chemistry at NASA

Chemistry is woven into nearly every aspect of NASA's mission, though it often operates behind the scenes compared to the more visible engineering and astronaut functions. NASA employs chemists and chemical engineers across a range of disciplines that directly enable spaceflight, scientific exploration, and aeronautics research.

The work divides into four broad domains, each representing a distinct career path with different skill requirements, research environments, and centers of activity within NASA.

Materials science and engineering focuses on developing, testing, and qualifying materials for use in spacecraft, launch vehicles, spacesuits, and ground support equipment. Chemists in this domain characterize the properties of polymers, composites, ceramics, adhesives, coatings, and metals under the extreme conditions of space: vacuum, radiation, thermal cycling, atomic oxygen exposure, and micrometeorite impact.

Propulsion chemistry involves the development and characterization of propellants, both liquid and solid. This includes formulation of new propellant compositions, analysis of combustion products, compatibility testing between propellants and tank materials, and environmental assessment of propellant handling and disposal.

Astrobiology and planetary science applies analytical chemistry to the search for life and the characterization of planetary environments. Chemists in this area develop instruments and methods for detecting organic molecules, analyzing atmospheric compositions, and identifying biosignatures in samples from Mars, Europa, Enceladus, and other bodies.

Environmental chemistry and life support addresses the chemical processes involved in maintaining habitable environments for astronauts. This includes air revitalization chemistry (CO2 removal and oxygen generation), water purification, trace contaminant control, and the chemistry of closed-loop life support systems for long-duration missions.

Salary Breakdown by Grade and Specialization

NASA chemists are hired under the GS-1320 (Chemistry) occupational series and follow the General Schedule pay scale. The grade at which you are hired depends on your education level, research experience, and the specific position requirements.

Research scientists with doctoral degrees typically enter at GS-11 or GS-12, depending on their postdoctoral experience and publication record. Particularly distinguished researchers may be hired at GS-13 or above. Candidates with bachelor's or master's degrees enter at GS-7 through GS-11 depending on their qualifications.

NASA Centers Where Chemists Work

Chemistry research and operations are concentrated at specific NASA centers, each with distinct specializations and laboratory capabilities.

Johnson Space Center (JSC) in Houston hosts the Astromaterials Research and Exploration Science (ARES) Division, which curates and analyzes extraterrestrial samples including lunar rocks, meteorites, cosmic dust, and eventually Mars samples. JSC also houses life support chemistry research for the Exploration ECLSS program and materials testing labs that qualify materials for use on the International Space Station and future Artemis missions.

Goddard Space Flight Center (GSFC) in Greenbelt, Maryland, supports astrochemistry research and instrument development for planetary science and astrophysics missions. The center's analytical chemistry labs develop and test instrument concepts for future missions designed to detect organic molecules and biosignatures on other worlds.

Glenn Research Center (GRC) in Cleveland focuses on propulsion chemistry and advanced materials. The center's research spans green propellant development, combustion characterization, and materials for extreme temperature environments in jet engines and rocket nozzles.

Marshall Space Flight Center (MSFC) in Huntsville supports propulsion chemistry related to the Space Launch System and other launch vehicles, as well as materials science for structural applications. MSFC's materials characterization labs perform failure analysis, materials qualification, and research into advanced manufacturing materials.

Jet Propulsion Laboratory (JPL) in Pasadena employs chemists through Caltech to develop instruments and analytical methods for planetary exploration. JPL's involvement in Mars sample return, Europa Clipper, and other flagship missions creates demand for analytical chemists, astrobiologists, and spectroscopists.

Langley Research Center (LaRC) in Hampton, Virginia, conducts research on advanced materials for aeronautics and entry systems, including thermal protection system materials, structural composites, and coatings.

Propellant and Combustion Research

Propulsion chemistry remains one of NASA's most active areas of chemical research, driven by the need for more energetic, safer, and more environmentally responsible propellants for both launch vehicles and in-space propulsion.

Green propellant development is a major current emphasis. Traditional storable propellants like hydrazine are highly toxic and require extensive protective measures during handling. NASA has invested in alternatives such as AF-M315E (now marketed as ASCENT) and LMP-103S, which offer reduced toxicity while maintaining acceptable performance. Chemists characterize these propellants' combustion products, material compatibility, long-term storage stability, and decomposition kinetics.

Cryogenic propulsion chemistry focuses on liquid hydrogen and liquid oxygen systems used in the SLS core stage and upper stages. Research topics include slush hydrogen technology (partially frozen hydrogen for higher density storage), propellant conditioning, boil-off management, and combustion instability mitigation.

Solid propellant research addresses formulation and characterization of composite propellant grains used in solid rocket boosters. This work involves particle size distribution analysis, binder chemistry, burn rate characterization, and aging studies.

Astrobiology and the Search for Life

Astrochemistry at NASA sits at the frontier of one of science's most profound questions: does life exist beyond Earth? Chemists working in this domain develop the instruments, methods, and analytical frameworks needed to detect evidence of life in extraterrestrial environments.

The Mars Sample Return mission, planned for the late 2020s to early 2030s, will bring carefully cached rock and soil samples from Mars to Earth for analysis in terrestrial laboratories. Preparing for this event requires developing ultra-sensitive analytical protocols that can detect trace organic molecules, distinguish biological from abiotic chemistry, and avoid contamination at levels that could produce false positives.

The Europa Clipper mission, now en route to Jupiter's moon Europa, carries instruments designed to analyze the composition of the moon's surface and subsurface ocean material ejected through cracks in the ice shell. Chemists supported the development and calibration of instruments including mass spectrometers and infrared spectrometers that will characterize the chemical environment of Europa.

Enceladus research continues to analyze data from the Cassini mission and plan for potential future missions to Saturn's small moon, which ejects plumes of water ice and organic molecules from its subsurface ocean. Analytical chemistry techniques capable of identifying amino acids, lipids, and other potential biosignatures at trace concentrations are central to this work.

How to Apply for NASA Chemistry Positions

NASA chemistry positions are posted on USAJobs.gov under the GS-1320 (Chemistry) series. Search using that series number and the agency code "NN" for NASA. You can also search by keywords such as "chemist," "materials scientist," "astrochemistry," or "propellant" to find relevant positions.

The application requires a federal-style resume, transcripts documenting your chemistry coursework, and responses to assessment questionnaires. For research positions, you may also need to provide a publication list, research statement, or letters of reference.

An alternative entry pathway is the NASA Postdoctoral Program (NPP), administered by Oak Ridge Associated Universities (ORAU). The NPP places postdoctoral researchers at NASA centers for two-year fellowships, many of which involve chemistry research. NPP positions are often the stepping stone to permanent civil servant positions, and the program provides a way to demonstrate your research capabilities in a NASA environment before competing for career positions.

For JPL positions, apply through the Caltech/JPL careers portal rather than USAJobs, as JPL is a federally funded research and development center operated by Caltech.

Search for chemistry, materials science, and research positions in the space industry on Zero G Talent or explore science roles across aerospace companies.

FAQ

Do I need a PhD to work as a chemist at NASA?

A PhD is not strictly required for all chemist positions, but it is strongly preferred for research scientist roles. Positions focused on laboratory operations, testing, and analysis may accept candidates with master's or bachelor's degrees at lower grade levels. The most competitive research positions typically require a doctoral degree and relevant postdoctoral experience.

What is the NASA Postdoctoral Program and how competitive is it?

The NPP places approximately 200 postdoctoral researchers at NASA centers each year. The acceptance rate varies by center and research area but is generally quite competitive. Strong publication records, clear research proposals, and alignment between your research interests and a NASA mentor's needs are essential.

Can I work at NASA as a chemical engineer instead of a chemist?

Yes. NASA hires chemical engineers under the GS-0893 (Chemical Engineering) series for positions that emphasize process design, systems engineering, or manufacturing. The distinction between chemist and chemical engineer positions at NASA can be blurry, especially in areas like propellant development and life support systems.

How does NASA chemistry research compare to academic research?

NASA research is more mission-driven than typical academic research. Projects are funded to solve specific problems or develop specific capabilities for planned missions. This can mean less freedom to choose research directions but more resources, access to unique facilities and samples, and the satisfaction of seeing your work contribute to actual space missions.

What is the job security outlook for NASA chemists?

Federal employment at NASA provides strong job security. Reductions in force are rare, and chemists with specialized expertise in areas like materials qualification, propellant development, or astrobiology are in sustained demand. The main risk is budget-driven program cancellations that can shift priorities, but chemists at NASA typically have the flexibility to move between projects and programs.