The purpose of the Tier 2 Help Desk Technician role is to provide advanced, second‑line technical support for the Joint Forces Network (JFN), ensuring that all hardware, software, and network services operate securely and reliably across classified and field environments; the technician resolves complex issues escalated from Tier 1, configures and manages operating systems, applications, and DoD/IC authentication services, performs troubleshooting and remediation of hardware and software failures, documents procedures and solutions in Agile tools (e.g., Jira, Confluence), and contributes to the continuous improvement of JFN's operational readiness while adhering to DoD cybersecurity and physical‑security policies. Security concepts, best practices and how to apply them, such as Secure Shell, public key encryption, access credentials, certificates, TLS, and data encryption to include Department of Defense and Intelligence Community security policies/processes.