Lead or provide engineering technical direction for problem definition, analysis, development, and implementation of complex systems by applying systems engineering principles across all phases of the DoD 5000 acquisition process, including defining system requirements, interfaces, and Design Reference Missions (DRMs) and refining them as needed throughout system design and development. Experience supporting the design, development, and review of systems engineering design artifacts, including System Requirements Document (SRD), Subsystem Requirements Document (SSRD), Test Requirements Document (TRD), requirements analysis, interface design, system architecture development, systems hardware and software design, and system performance analysis.