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NASA Space Reactor-; SR-Software and Avionics Laboratory; SSAL) Test Facility Integration Engineer

Job in Marietta, Cobb County, Georgia, 30064, USA
Listing for: CACI International
Full Time position
Listed on 2026-09-12
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 76000 - 156000 USD Yearly USD 76000.00 156000.00 YEAR
Job Description & How to Apply Below

Job Title:

NASA Space Reactor-1 (SR-1) Software and Avionics Laboratory (SSAL) Test Facility Integration Engineer

Job Category:
Engineering

Time Type:
Full time

Minimum Clearance Required to Start: NACI

Employee Type:
Regular

Percentage of

Travel Required:

Up to 10%

Type of Travel:
Continental US

* * *

The Opportunity:

CACI is looking for an experienced Avionics and Flight Software
Test Facility Integration Engineer to support the build-out, integration, and certification of NASA’s Space Reactor-1 (SR-1) Freedom’s Software and Avionics Laboratory (SSAL) located at the NASA Johnson Space Center. Freedom is humanities first nuclear fission-powered interplanetary spacecraft destined for Mars.

This position requires a self-motivated, capable integration engineer with strong verbal and written communication skills. In addition to outstanding technical expertise, the individual must be very people savvy, have strong customer relationship skills, possess a positive team-player attitude, be flexible and willing to take on new assignments and responsibilities as they arise, and be an articulate speaker able to communicate complex technical ideas in a convincing manner.

The individual must share our passion for our Nation’s Space Program and share in the excitement of developing the next human-rated space vehicles.

Responsibilities:
  • Perform software integration, test, and verification.
  • Integrate and test software/hardware in avionics test bed and flight certification environments.
  • Collaborate with engineering teams and contractors across multiple NASA programs and projects.
  • Ensure adherence to JSC standard software process practices.
Qualifications:

Required:
  • Must be a U.S. Citizen or Permanent Resident.
  • B.S. in Aerospace, Electrical, Software, Computer or Systems Engineering, Computer Science, or related disciplines required.
  • At least three years of experience in software and hardware integration for safety-critical software. Experience can be for aerospace vehicles or in other industries, e.g., oil and gas. More experience is highly valued.
  • Must be flexible, open to new challenges in a dynamic environment, and possess strong technical expertise combined with strong verbal and written communication skills.
  • Requires the ability to manage multiple priorities with little supervision.
  • Must be a highly responsible, team-oriented individual with strong work ethic.
Desired:
  • M.S. in Aerospace, Electrical, Software, Computer or Systems Engineering, Computer Science, or related discipline.
  • Experience in human-rated space vehicles and specific vehicle software domains (e.g., C&T, C&DH, GN&C).
  • C programming skills.
  • Experience in NASA Core Flight Software (CFS).
  • Experience developing and troubleshooting embedded software for Real-time Operating Systems, preferably VxWorks.
  • Experience in common spacecraft bus-communication protocols (e.g., 1553, RS-422, RS-232, USB, Ethernet).
  • Experience in software and systems integration.
  • Experience in automated testing.
  • Experience using Git Lab and the Git version control system.
  • Experience using Jira.
What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation’s most critical missions, build on our lengthy…

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