We're seeking a skilled Test Engineer to join our Hypersonics team supporting the Common Hypersonic Glide Body (CHGB) program. The ideal candidate will combine software development capabilities with electrical engineering knowledge to help design, implement, and maintain automated test systems for flight-critical avionics. This role requires a blend of hardware and software expertise, familiarity with CI/CD practices, and the ability to validate complex electronic systems. Primary Responsibilities. - Design and implement automated test procedures for avionics hardware components and systems - Develop test software using modern languages (Python, C/C++, LabVIEW) within a CI/CD framework - Support hardware-in-the-loop test systems that simulate real-world conditions for avionics components - Collaborate with electrical, software, and mechanical engineers to optimize product performance - Document test requirements, procedures, and results using digital engineering tools - Apply "test-like-you-fly" methodologies to ensure products meet mission requirements - Troubleshoot hardware/software issues and provide technical recommendations - Participate in review boards and technical interchange meetings with customers and suppliers Basic Qualifications. - Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science or related field - 4-8 years of experience in test engineering for electronic systems - Knowledge of programming languages such as Python, C/C++, or LabVIEW - Familiarity with test automation and CI/CD practices - Understanding of electronics design, including reading schematics - Experience with hardware-in-the-loop testing and embedded systems - Knowledge of communication protocols (SPI, I2C, RS232, Ethernet) - Ability to use test equipment (oscilloscopes, multimeters, signal generators) - Experience with version control systems (Git) and Agile development methods - Strong analytical and problem-solving skills - Ability to work full-time at our Huntsville, AL facility - US Citizenship and ability to obtain a security clearance Preferred Qualifications. - Master's degree in related engineering field - Experience with RF testing and calibration - Experience in aerospace or defense industry test environments - Knowledge of environmental testing procedures - Familiarity with databases for test data collection - Experience with digital engineering tools (JIRA, Confluence, GitLab) - Understanding of statistical analysis for test validation - Experience with test systems for production environments - Familiarity with military standards - Prior DoD program experience Original Posting: July 22, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.