Customer Service - Works with clients and customers (that is, any individuals who use or receive the services or products that your work unit produces, including the general public, individuals who work in the agency, other agencies, or organizations outside the Government) to assess their needs, provide information or assistance, resolve their problems, or satisfy their expectations; knows about available products and services; is committed to providing quality products and services. DCSA Acquisition and Technology, National Background Investigation Services (NBIS) is seeking a Supervisory Information Technology Specialist to serve as technical expert in the multidisciplinary fields of enterprise architecture, infrastructure, software development, data management and governance, tool development, systems engineering, sustainment, and related subject matter areas as they pertain to an enterprise system.