See MSPB Careers for information regarding this classifications

First-level position responsible for capturing, storing, manipulating, documenting, distributing, and displaying geographically referenced information from a variety of sources. Uses utility and data conversion software and manipulates and analyzes data which may include quality assurance, creation, and maintenance of spatial data topology. Compiles, edits, and maintains data in geographic and operational databases. Responds to technical questions from end users and resolves basic problems. 

Typically requires a Bachelor’s Degree or four years of experience in Geographic Information Systems (GIS).