The Systems and Architectures group of the Air and Missile Defense Division examines current capabilities and potential near- and long-term technology opportunities for US ballistic missile and air defense systems. It performs analysis on all aspects of such systems including radar, infrared and laser sensors, satellites, interceptors, and the software and algorithms that enable them to perform their functions of search, track, identification, interceptor guidance and battle management. Staff members in the group have a wide variety of backgrounds including Physics, Math, and Engineering. The candidate will work with a multi-disciplinary team to address a broad range of technical areas in Air and Missile Defense, including RF and IR sensor performance, countermeasures and discrimination technologies, electronic attack and electronic protection issues and system architecture studies. Work will involve system-level simulations, mathematical modeling and data The candidate should have a demonstrated an ability to use software simulation tools, such as MATLAB. The candidate must have demonstrated the ability to work on a variety of technical problems, both individually and as a member of a team, and be capable of independently setting personal goals to coordinate and meet the priorities of different projects in a timely manner. A successful candidate will have demonstrated effective communication skills and the ability to convey technical concepts in a clear, concise manner to a wide spectrum of audiences. Requirements:PhD or MS with 5 years experience in Physics, Mathematics, Engineering or related technical field; 3.7 minimum GPA MIT Lincoln Laboratory is an Equal Employment Opportunity (EEO) employer. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, veteran status, disability status, or genetic information. U.S. Citizenship required.