Sr Specialist, Software Test Engineer (Space Systems) : Sign-on bonus ($20K max)

About the role

L3Harris Space and Mission Systems is seeking a Test Software Engineer to support the development, verification, and validation of test set software (TSSW) for advanced space-based payload systems. This role will work closely with System Engineering Integration and Test (SEIT) and cross-functional development teams to define software requirements, develop automated and semi-automated test solutions, and support product verification across all stages of integration and test.

Responsibilities

• Collaborate with SEIT and the development team to define, refine, and document requirements for test set software (TSSW) that support system verification, checkout, and compliance activities.
• Design, develop, and maintain test software applications using LabVIEW and/or Python to enable hardware checkout, functional verification, and compliance testing.
• Support testing across multiple levels of product development, including module-level, subsystem-level, and full payload-level integration and verification.
• Develop automated test sequences, data collection utilities, and analysis tools to improve test efficiency, repeatability, and traceability.
• Absorb responsibility for troubleshooting test anomalies, investigating failures, and supporting root cause analysis during development and integration.
• Contribute to test documentation, procedures, reports, and configuration-controlled artifacts required for formal program reviews and product acceptance.
• Participate in a small team environment, sharing responsibilities across design, development, test execution, and issue resolution as needed.

Requirements

• Bachelor’s Degree in Computer Engineering, Computer Science, or related field and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
• Ability to obtain a TS/SCI security clearance.
• Professional experience working with any of the following: LabView, Python, COSMOS, MATLAB and Simulink
• Experience with space-based payloads, aerospace systems, or other highly reliable mission-critical platforms.
• 3+ years of experience in hardware/software integration and test, including development of tools used for checkout and verification.
• Professional experience troubleshooting and debugging in a lab or integration environment.

Qualifications

• Bachelor’s Degree in Computer Engineering, Computer Science, or related field and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
• Ability to obtain a TS/SCI security clearance.
• Professional experience working with any of the following: LabView, Python, COSMOS, MATLAB and Simulink
• Experience with space-based payloads, aerospace systems, or other highly reliable mission-critical platforms.
• 3+ years of experience in hardware/software integration and test, including development of tools used for checkout and verification.
• Professional experience troubleshooting and debugging in a lab or integration environment.

Preferred Additional Skills

• Active Top Secret or TS/SCI clearance
• Ability to work effectively in a small, collaborative engineering team.
• Experience with DevOps tools including Jira, Bitbucket, Jenkins, and Confluence.
• Working knowledge of image processors, visible cameras, IR detectors, servo motors, actuators, and focus mechanisms.
• Familiarity with verification/compliance testing processes and structured test documentation practices.
• Experience with automated test equipment, instrumentation interfaces, data logging, and results analysis.
• Professional experience supporting testing at different levels of assembly

Benefits

L3Harris offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays.