NASA Embedded Sensor Software Development Engineer

CACI • Houston, TX

8d • Onsite

About The Position

CACI is seeking an experienced Embedded Software Development Engineer to design and develop embedded flight software (FSW) for CO2, H2O, and gas analyzer sensor controllers. This role supports the next-generation Spacesuit, Human Landing System (lunar lander spacecraft), and the Artemis Program at the NASA Johnson Space Center. The work encompasses prototyping, requirements definition, design, development, test and verification, integration, and certification of embedded software. Responsibilities include implementing, executing, and evaluating software unit test cases. The ideal candidate is a self-motivated engineer with strong communication skills, excellent customer relationship abilities, a positive team-player attitude, flexibility, and a passion for the space program.

Requirements

• Must be a U.S. Citizen or Permanent Resident.
• B.S. in Aerospace, Electrical, Software, Computer or Systems Engineering, Computer Science, Biomedical Engineering, or related disciplines required.
• At least three years of experience in embedded software development.
• Strong C programming skills.
• Experience developing software in a Linux environment.
• Experience developing C/C++ software unit tests in Aerospace or other industries, e.g., commercial software, oil and gas, petrochemical, etc.
• Experience should include utilizing a unit test framework such as Google Test (gTEST), UT-Assert or CppUnit.
• Experience developing embedded firmware for microcontrollers.
• Must have significant experience in the entire software life cycle.
• 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.

Nice To Haves

• M.S. in Computer Science, Software Engineering, Electrical or Computer Engineering, Aerospace Engineering, Biomedical Engineering, or related disciplines.
• Previous experience in aerospace systems and vehicles.
• Experience in other industries, e.g., medical, petrochemical, oil and gas, where software function, quality, and associated processes utilized can impact human safety.
• Experience using GitLab and the Git version control system.
• Python programming skills.
• Experience developing software using various bus communication protocols (e.g., RS-485, RS-422, RS-232, Low-Voltage Differential Signaling (LVDS), 1553, USB, Ethernet).
• Experience in NASA Core Flight Software (CFS).
• Experience in software and systems integration.
• Experience in automated testing.
• Experience in verification testing.
• Experience using Jira
• Experience with both manual and automated testing.
• Experience with Agile/Scrum methodologies.
• Experience in human-rated space vehicle software, e.g., Space Shuttle, International Space Station, Orion, Commercial Crew, Gateway, in a range of systems (e.g., C&T, C&DH, GN&C).
• Familiarity with CMMI Level 3 (or above) process areas.

Responsibilities

• Design and develop embedded flight software to control CO2, H20, and gas analyzer sensors.
• Create thorough unit tests from self-developed test plans using the UT-Assert framework and Gcov that test C code both structurally and functionally.
• Evaluate unit test case results including pass/fail results with path coverage, loop boundary limits, and Modified Condition/Decision Coverage (MC/DC).
• Troubleshoot issues with failed test cases.
• Perform C code reviews to spot errors in the code logic.
• Collaborate with other software engineers in resolving unit test case issues.
• Perform systems engineering in support of software requirements and interface definitions, design, and performance analysis.
• 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.
• Develop and maintain comprehensive test plans, test cases, and test scripts for software applications.
• Execute manual and automated tests to verify software functionality, performance, and security.
• Identify, document, and track software defects using issue tracking tools.
• Collaborate with developers to reproduce and resolve software defects.
• Perform regression testing to ensure that new changes do not adversely affect existing functionality.

Benefits

• flexible time off
• robust learning resources
• comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level