C++ Software Test Engineer - Unit Test Development (Secret)

About CFD Research: Since its inception in 1987, CFD Research has delivered innovative technology solutions within the Aerospace & Defense, Biomedical & Life Sciences, Intelligence & Sensing, and Energy & Materials industries. CFD Research has earned multiple national awards for successful application and commercialization of innovative component/system technology prototypes, multi-physics simulation software, multi-disciplinary analyses, and expert support services. Based in Huntsville, Alabama where laboratory facilities and headquarters are located, CFD Research also has office and laboratory facilities in Dayton, Ohio, prototyping test and evaluation facilities in Hollywood, Alabama, and office facilities in Fort Walton Beach, Florida. CFD Research is an ISO9001:AS9100D registered company and is appraised at CMMI Level II for Services. CFD Research is a 100% ESOP (employee-owned company) recognized in Inc. Magazine's Inc5000 as a top growing company for four of the last five years. Learn more at CFD Research is seeking a C++ Software Test Engineer to support unit test development and software reliability initiatives for a real-time Missile Defense system. The candidate will design, implement, and automate modular unit test suites and isolation harnesses for core mission software components, decoupling complex middleware and IPC layers to help the program achieve strict automated test coverage benchmarks.Key ResponsibilitiesWrite modular, automated unit tests and mocks targeting ~60 executables and 170+ libraries.Integrate test suites into CMake-based build configurations using test frameworks such as GoogleTest or Catch2.Implement stubs and mock interfaces to decouple real-time application logic from CORBA middleware (OIS C++ ORB) and IPC layers.Execute code coverage passes and resolve gaps to verify compliance with the 80% coverage mandate.Qualifications and Desired SkillsU.S. Citizenship required; must possess and maintain an active DoD SECRET ClearanceStrong proficiency in modern C++ within low-latency, real-time Linux environments.Practical experience authoring automated unit tests using GoogleTest, Catch2, or equivalent frameworks.Experience writing stubs and mocks for software interacting with CORBA middleware (specifically OIS C++ ORB) or complex IPC protocols.Familiarity with CMake build environments and gcov/gcovr profiling tools.Location:This role is based in the Huntsville, ALarea, and is 100% onsite.Benefits: CFD Research offers competitive salaries and excellent employee benefits, including an employer matching 401(k) and Employee Stock Ownership Plan (ESOP). CFD Research offers our Full-Time, permanent employee-owners a highly competitive insurance package, including medical, vision, and dental insurance. Additionally, we offer company paid leave, compensation time, parental leave, long-term and short-term disability, accidental death and dismemberment, and life insurance. Part-Time and Temporary employee-owners may receive partial or reduced benefits and leave time based on their employment status level. Performance appraisals occur twice a year and annual pay increases are based upon corporate goals, personal development, performance, and outstanding achievements. In addition, group and individual bonuses are awarded for exceptional performance.CFD Research is an EO employer - Veterans/Disabled and other protected categories