Tier 1 Agent / Knowledge Manager Secret Clearance Required Onsite: Arlington, VA Pay Range: $27.64-$41.35 Job Description: The Tier I Agent / Knowledge Manager serves as a front-line technical support and service delivery resource, supporting inbound and outbound calls, email, web chat, and back-office functions while acting as the first escalation point for unresolved issues. This role combines hands-on end-user support with knowledge management, service level monitoring, process improvement, …