Leidos’ Defense Systems RFS Division is seeking a Test Engineer to join our team…. Airworthiness Test and Evaluation group. The Leidos group has an opening for a Test Engineer position available in Huntsville, Alabama. The prospective employee will function within the PMO ASE, aiding Product Offices through the application of scientific theory, design experimentation, and engineering principles in the test and evaluation mission for Aircraft Survivability Equipment. Responsibilities include participating as a team member in cost estimating, test planning and execution, data acquisition, data analysis, and reporting for designated flight-test and field test projects. The individual will collaborate with cross-functional teams to drive hardware/software (HW/SW) integration, collect and analyze test data, and incorporate user feedback. Apply core technical skills to troubleshoot, identify, and resolve anomalies discovered during testing, ensuring the successful fielding of Aircraft Survivability Equipment (ASE). Primary Responsibilities. - Aircraft Survivability Equipment testing, including but not limited to, qualitatively and quantitatively assess sensors, jammers, software upgrades, and other aircraft survivability systems. - Apply practical knowledge to flight testing principles and concepts applicable to the developmental and system qualification testing of DoD aircraft. - Provide traceability from requirement to technical specifications. - Lead and execute testing events, develop test plans and procedures for hardware and software testing. - Assists other engineers in the design and execution of tests, analysis of data, and the reporting & documentation of results, including the interpretation of the significance of the findings. - Support the development of the Test Strategy and/or Test and Evaluation Master Plan (TEMP) - Lead the T&E Integrated Product Team (IPT) and conduct Test Readiness Reviews (TRRs). - Support the development of test and evaluation input into Milestone documentation such as the Systems Engineering Plan (SEP), Program Protection Plan (PPP), Systems Specification, Performance Work Statement (PWS) and/or Statement of Work (SoW). - Support test planning with the OEM and the Government Test Agencies to include ATEC and its subordinates for developmental and operational test events to include Live Fire Test & Evaluation (LFTE). - Participate and/or lead T&E WIPT sub-working groups such as LFTE, Aircraft Survivability Equipment (ASE), test Modeling and Simulation (M&S), etc. Basic Qualifications. - Familiar with Missile Systems, Weapon Systems, Infrared Seeker Systems, and/or Radar Systems - Bachelor’s degree in a technical discipline and 8+ years of prior experience leading and executing test events and developing test plans and procedures for hardware and software testing - Excellent communication skills - Must possess and maintain an active secret clearance. (U.S. Citizenship is required) - Experience working in a team-oriented, collaborative environment Preferred Qualifications. - Highly organized, demonstrating the ability to work independently at times due to fast-paced and highly productive work environment - Experience working on aircraft survivability programs - Previous military experience or familiarity with army aviation platforms - Ability to create design documentation, requirements specifications, and other technical documentation Original Posting: September 4, 2026 Pay Range: Pay Range $92,300.00 - $166,850.00 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.