His expertise include Multidisciplinary design and optimization of Aerospace systems. He has worked as systems engineer at Avidyne Corporation. The company manufactures glass cockpits for general aviation aircraft. Dr. Khalid was involved in architecture definition, design and development of cockpit avionics. He is experienced in test case scripting, verification and validation of Primary Flight Display (PFD) and Multi-Functional Display (MFD) applications. He is adept in performing requirements definition, analysis, review, management, and documentation using Dynamic Object Oriented Requirements Software (DOORS). As a lead systems engineer, he played an instrumental role in designing, developing, and testing the next generation of Entegra Electronic Flight Instrument System (EFIS).