Knowledge of systems engineering in support of system definition, development, integration, verification methods, sustainment, risk modeling/simulation, testing and evaluation, human system integration (HSI), crew stations engineering, OSS&E efforts, interoperability requirements, and airworthiness certification across a wide range of hardware and software systems, including ground-based systems. Assist in conducting performance effectiveness, cost effectiveness, cost performance, life-cycle cost, producibility, maintainability, supportability, reliability, technical and schedule risk assessments, and scheduling trade-off studies.