Helpdesk Specialist (On-Site) TS Clearance Required

USmax Corporation is seeking a Jr Helpdesk Specialist to support the National Geospatial-Intelligence Agency (NGA) in Springfield, Virginia. The full-time, on-site position provides first-line IT support for computers, hardware, software, and account issues, with diagnostic and resolution responsibilities. Responsibilities include handling inquiries via phone, email, or chat, performing problem-solving steps, and ensuring timely closure of tickets in a secure environment.