The role of the Senior Member of Technical Staff - Communications Systems Engineering: supports the design, development, modeling, simulation, testing, and analysis of communications systems, subsystems, and electronic signals for communication networks, data links, digital radio, battle management, and command and control systems. The role of the Engineering Specialist - Communications Systems Engineering: designs, develops, models, simulates, tests, and analyzes communications systems, subsystems, and electronic signals for communication networks, data links, digital radio, battle management, and command and control systems.