Crown Communications, Inc., an engineering consulting and information technology firm, seeks experienced system engineers and human factors engineers with a knowledge of Air Traffic Control (ATC). Will plan and perform operational assessments of prototype ATC systems, conducting benefits analyses & tradeoff studies, and developing operational concepts to support FAA systems acquisition and deployment. Requires demonstrated experience in operational testing, requirements analysis, statistical methods / operations research. Extensive customer interaction requires strong leadership, technical writing and presentation skills. Crown offers a competitive salary & benefits package. Please fax resume to 202-785-2626 or mail to 1133 21st Street, NW Suite 300 Washington, DC 20036 Attn: BML. EEO