NASA Contractor Jobs in 2026: Who Hires, What They Pay, and How to Get In
NASA contractor jobs in 2026: who hires, what they pay, and how to get in
Most people who "work at NASA" don't actually work for NASA. At Johnson Space Center alone, there are roughly 3,200 civil servants and over 11,000 contractors. Across all 10 NASA centers, contractors outnumber federal employees by a wide margin. If you want to work on space programs, the contractor ecosystem is where most of the jobs are.
The major NASA contractors
NASA's prime contractors hold multi-year contracts to provide engineering, operations, and support services at each center. The top contractors by FY 2023 dollar volume:
| Contractor | Annual Value | Primary Focus |
|---|---|---|
| Caltech/JPL | $2.9B | Robotic missions (Mars rovers, outer planets) |
| SpaceX | $2.25B | Launch services, crew transport, Starshield |
| Boeing | $1.57B | SLS, ISS operations, crew transport |
| Northrop Grumman | $1.25B | SLS boosters, Cygnus cargo, JWST |
| Lockheed Martin | $1.22B | Orion spacecraft, satellite systems |
| Jacobs/Amentum | ~$800M | Facilities, engineering services, IT |
| KBR | ~$600M | Engineering, mission operations |
| Leidos | ~$500M | IT, cybersecurity, engineering |
| Peraton | ~$400M | Mission support, communications |
| SAIC | ~$300M | IT systems, data management |
These aren't small operations. Amentum (formerly Jacobs Engineering) alone employs thousands of people across NASA centers in roles ranging from flight controller to HVAC technician. KBR staffs mission operations at Johnson Space Center. Leidos runs IT and cybersecurity across multiple facilities.
Contractor vs. civil servant
The distinction matters more than people realize:
| Factor | Civil Servant | Contractor |
|---|---|---|
| Pay structure | GS scale ($51K-$197K) | Market rate (varies widely) |
| Pay ceiling | $197,200 (GS-15 Step 10) | No federal cap |
| Retirement | FERS pension + TSP matching | 401(k), no pension |
| Job security | Permanent federal employment | Tied to contract periods |
| Contract risk | None | Lose job if contract re-competed |
| Clearance | Usually Public Trust | Public Trust to Top Secret |
| Benefits | Excellent federal package | Varies by company |
| Mobility | Transfer between NASA centers | Limited to contractor's NASA contracts |
The pay comparison is more nuanced than it first appears. Entry-level contractors often earn less than GS equivalents when federal benefits (pension, leave, healthcare) are factored in. But senior contractors can significantly outpace the GS-15 cap of $197,200 — especially in cybersecurity, software engineering, and program management where market rates push above $200K.
NASA contracts are typically awarded for a 5-year base period with option years. Every 5-10 years, the contract is re-competed. When a new company wins, incumbent contractors either get absorbed by the winning company (sometimes at different pay) or lose their positions. This is the single biggest risk in contractor careers — you can be excellent at your job and still lose it because your employer lost the contract bid. Some experienced NASA contractors have been through 3-4 employer changes on the same contract seat.
What contractors actually do
Contractor roles at NASA fall into several categories:
Engineering and technical — Structural analysis, propulsion testing, avionics development, systems engineering, flight dynamics. These roles work alongside civil servant engineers and often do identical technical work. The distinction is administrative, not functional.
Mission operations — Flight controllers, mission planners, trajectory analysts. KBR and Amentum staff a significant portion of the Mission Control Center at JSC. These are the people sitting in the rows of consoles during ISS operations and Artemis missions.
IT and cybersecurity — Leidos, SAIC, and Peraton dominate this space. NASA centers need network engineers, security analysts, system administrators, and software developers. The cybersecurity roles increasingly require Secret or Top Secret clearances.
Facilities and trades — Electricians, HVAC technicians, construction managers, environmental specialists. Every NASA center is an industrial facility that needs ongoing maintenance and construction support.
Program/project management — Cost analysts, schedule managers, contract administrators. Large programs like SLS, Orion, and Artemis require hundreds of support staff to manage budgets, schedules, and requirements.
How to find NASA contractor jobs
NASA contractor jobs don't appear on USAJobs.gov — that's only for federal civil servant positions. Instead:
- Contractor career pages — Search directly at careers.leidos.com, amentum.com/careers, kbr.com/careers, peraton.com/careers, saic.com/careers
- ClearanceJobs.com — Aggregates cleared contractor positions, many at NASA centers
- Job boards with location filters — Search for aerospace roles near NASA center ZIP codes: Houston TX (JSC), Cape Canaveral FL (KSC), Pasadena CA (JPL), Greenbelt MD (GSFC), Huntsville AL (MSFC)
- Networking at NASA events — Contractor companies recruit heavily at AIAA conferences, NASA-sponsored workshops, and local aerospace society chapters
NASA centers and their contractor ecosystems
| Center | Location | Major Contractors | Typical Roles |
|---|---|---|---|
| JSC | Houston, TX | KBR, Amentum, Leidos | Flight ops, crew systems, EVA |
| KSC | Cape Canaveral, FL | Jacobs, Amentum | Launch ops, ground systems |
| JPL | Pasadena, CA | Caltech (operator), Leidos | Robotic missions, deep space |
| MSFC | Huntsville, AL | Boeing, Northrop, Amentum | Propulsion, SLS, payloads |
| GSFC | Greenbelt, MD | SAIC, Leidos, Peraton | Earth science, Hubble, comms |
Many NASA civil servants started as contractors. Working as a contractor gives you NASA-specific experience, relationships with civil servant managers, and familiarity with the agency's systems and processes. When a civil servant position opens on your team, you're often the strongest candidate because you already know the work. This path takes 2-5 years but is more reliable than applying cold to GS positions through USAJobs.
Browse NASA positions and other space companies on Zero G Talent. For federal pay details, see our NASA GS pay scale guide. For astronaut salary information, see how much does an astronaut make.
