NASA astronomy jobs: how to build a career studying the universe

Working as an astronomer or astrophysicist at NASA is one of the most competitive career paths in science. There are roughly 100 civil servant research astrophysicist positions across all of NASA, and they rarely turn over. But the broader ecosystem of NASA-funded astronomy work — including contractor positions, fellowship programs, and support roles — is much larger and more accessible than most people realize.

Here's how the field actually works, who gets hired, and where the opportunities are.

Where NASA does astronomy

NASA's astronomy and astrophysics work is concentrated at a few centers, each with a distinct focus:

Goddard Space Flight Center (Greenbelt, MD) — The largest concentration of NASA astrophysicists. Goddard builds and operates space telescopes and manages major missions. The center houses scientists working on the James Webb Space Telescope, the Nancy Grace Roman Space Telescope (launching ~2027), and dozens of active and proposed missions. Most NASA astrophysics civil servant positions are at Goddard.

Jet Propulsion Laboratory (Pasadena, CA) — JPL handles NASA's exoplanet research, including the Habitable Worlds Observatory concept and various technology development programs. JPL also operates the NASA Exoplanet Archive and supports missions like SPHEREx. JPL currently has 39 active positions across engineering and science.

Marshall Space Flight Center (Huntsville, AL) — Focuses on X-ray astronomy and high-energy astrophysics. The Chandra X-ray Observatory is managed from Marshall, and the center has expertise in optics, detectors, and space telescope technology.

Ames Research Center (Mountain View, CA) — Leads astrobiology research and previously managed the Kepler exoplanet mission. Ames also contributes to TESS follow-up observations and biosignature research.

Space Telescope Science Institute (STScI, Baltimore, MD) — Not a NASA center, but a federally funded research center operated by AURA. STScI manages science operations for Hubble and JWST, employs ~100 research astronomers, and administers the largest share of NASA's astronomy guest observer programs. Many of the astronomers who work most closely with NASA data are at STScI.

The three career paths

1. NASA civil servant scientist

The most prestigious and competitive path. NASA civil servant astrophysicists are federal employees on the GS pay scale (typically GS-13 to GS-15):

These ranges use the DC/Baltimore locality adjustment. Other locations vary.

Requirements are steep: a PhD in astrophysics, physics, or a closely related field; a track record of peer-reviewed publications; and ideally, experience with NASA mission data or instrumentation. U.S. citizenship is required. Positions are posted on USAJobs.gov, often under the "1330 — Astronomer" or "1310 — Physics" occupational series.

2. Contractor scientist

A much larger pool of positions. Contractor astrophysicists are employed by companies like USRA (Universities Space Research Association), Ball Aerospace, KBR, SAIC, or the university consortia that operate institutions like STScI. They work side-by-side with civil servants at NASA centers.

Contractor positions offer some advantages:

• More positions available (the contractor workforce is several times larger than the civil servant workforce in most astrophysics divisions)
• Faster hiring process (no USAJobs bureaucracy)
• Sometimes higher base pay than GS scale for equivalent work
• More flexibility in project assignments

The downsides: contracts are rebid every 5-10 years (though experienced staff usually transfer to the new contractor), and benefits are typically less generous than federal benefits.

3. NASA-funded university researcher

The majority of astronomers who work on NASA data are university professors or research scientists funded through NASA grants. Programs like the Astrophysics Data Analysis Program (ADAP), the Hubble Fellowship, and mission-specific guest observer programs fund thousands of researchers at universities across the country.

This path is the most traditional academic route: PhD → postdoc → faculty position → NASA grants. It offers the most intellectual freedom but also the most career uncertainty.

What NASA astronomers actually do

The romantic image of an astronomer peering through a telescope is mostly fiction. Modern NASA astronomy jobs fall into several categories:

Mission scientists — Work on the development, operation, or data analysis for specific missions. This might mean helping define JWST's observation schedule, analyzing Roman Space Telescope simulation data, or developing calibration pipelines.

Instrument developers — Design and build the detectors, spectrographs, and cameras that go into space telescopes. This is the most hands-on hardware work in astronomy and is concentrated at Goddard and JPL.

Data scientists — Develop and maintain the data processing pipelines, archives, and analysis tools that the broader community uses. MAST (Mikulski Archive for Space Telescopes) at STScI employs dozens of data engineers and archive scientists.

Theory and modeling — Computational astrophysicists who run simulations, develop models, and interpret observational data. Increasingly requires serious programming skills (Python, C++, HPC).

Program management — Senior scientists who manage NASA's astrophysics program portfolio. These roles exist at NASA Headquarters in Washington and involve setting strategic priorities for the entire field.

Education and path to entry

The typical career trajectory:

1. Bachelor's — Physics or astronomy. A strong math and CS foundation matters more than the specific major. Research experience as an undergrad is important.
2. PhD — Astrophysics, physics, or planetary science. This takes 5-7 years and is the minimum qualification for any research position.
3. Postdoc — 1-3 postdoctoral fellowships, each lasting 2-3 years. The most prestigious are the NASA Hubble Fellowship, Einstein Fellowship, and Sagan Fellowship.
4. Permanent position — Civil servant, contractor, STScI staff, or university faculty.

The pipeline from PhD to permanent position is long and competitive. Only about 10-15% of astronomy PhDs end up in permanent research positions. The rest transition to data science, software engineering, finance, or other fields — often at higher salaries.

Missions driving current hiring

Active and near-term NASA astrophysics missions that generate job demand:

Mission	Status	Center	Hiring Areas
James Webb Space Telescope	Operating	Goddard/STScI	Data analysis, calibration, science
Nancy Grace Roman	Development	Goddard/JPL	Instruments, software, science planning
Habitable Worlds Observatory	Concept	Goddard/JPL	Technology development, design studies
SPHEREx	Development	JPL/Caltech	Data pipeline, sky survey science
IXPE	Operating	Marshall	X-ray polarimetry analysis
Chandra	Operating (extended)	Marshall/SAO	X-ray astronomy, archive

The Roman Space Telescope is the biggest near-term hiring driver, expected to launch around 2027. Teams at Goddard, JPL, and STScI are ramping up for science operations.

Support roles in NASA astronomy

You don't need a PhD to work in NASA's astronomy divisions. Every mission needs:

• Software engineers — Pipeline development, data management, web tools
• Systems engineers — Mission design, requirements, testing
• Project managers — Schedule, budget, and team coordination
• Science communicators — Press releases, public engagement, education
• Instrument technicians — Hardware assembly, testing, cleanroom work
• IT specialists — HPC operations, network management, cybersecurity

These positions are accessible with bachelor's or master's degrees and offer a way to work alongside astronomers without the full academic gauntlet.

Start your search

Browse NASA positions and JPL openings on Zero G Talent. For other science-focused roles across the space industry, see our NASA biology jobs guide or explore space engineering careers. Federal positions are also posted on USAJobs.gov under the 1330 (Astronomer) and 1310 (Physics) series.