Constellation Software Engineering, Corp. offers our federal and state goverment clients a contract vehicle on the GSA IT Professional Services Schedule. The GSA contract covers information technology and related multidiscipline technology tasks. The contract allows CSE to supply professional IT services for all phases of a program: strategic planning; concept definition and requirements analysis; system design; engineering and integration; test and evaluation; logistics; and complete acquisition and life cycle management including procurement, project management, and configuration management.