Provide technical leadership for junior software engineers Develop software utilizing C/C++ to modernize and productionize a research codebase with modern C++ features Develop software infrastructure to support CI/CD, software metrics collection, and MLOps Implement software-systems, applications, and architectures that leverage techniques to support achieving increased modularity, scalability, and reliability, while also maintaining precision, accuracy, and speed to meet performance requirements Ensure industry software engineering best practices and standards are applied and maintained Work closely with Software Leads and Architects to understand program intent, system capabilities, and output requirements Bachelor's degree in a STEM discipline with 5+ years of relative experience; Master's degree in a STEM discipline with 3+ years of relative experience; PhD + 1 year of relative experience Ability to meet customer-specific security screening requirements within a timeframe set forth by management Familiarity with modern C++ standards and features (e.g., C++ 17 onwards) Demonstrated ability to analyze system requirements to derive software design and performance requirements Proven ability to design and code new software, as well as modify existing software to add new features Ability to debug existing software and correct defects Effective communication and interpersonal skills, with the ability to collaborate effectively with diverse stakeholders Experience with Git-based or other software configuration management tools Principal Software Engineer (T04) Bachelor's degree in a STEM discipline with 8+ years of relative experience; Master's degree in a STEM discipline with 6+ years of relative experience; PhD + 4 years of relative experience Active Top Secret security clearance Ability to meet customer-specific security screening requirements within a timeframe set forth by management Willingness and ability to work onsite full-time Experience working in C/C++ Familiarity with modern C++ standards and features (e.g., C++ 17 onwards) Demonstrated ability to analyze system requirements to derive software design and performance requirements Proven ability to design and code new software or modify existing software to add new features Ability to debug existing software and correct defects Experience with open software/system architecture solutions Effective communication and interpersonal skills, with the ability to collaborate effectively with diverse stakeholders Experience with Git-based or other software configuration management tools Experience leading the performance of tasks on schedule, at cost and achieving specified requirements Experience with modern C++ standards and features (e.g., C++ 20 onwards) Experience with containers (Docker, Kubernetes) Experience with Linux operating systems Experience with CUDA and GPUs Experience with high performance numerical/scientific computing, parallel computing Experience with developing for SWaP-constrained environments Experience with developing and maintaining CI/CD pipelines Familiarity with signal-processing algorithms Familiarity with Agile lifecycle process including Scrum and DevSecOps