Client Systems Admin/Helpdesk Support

Provide Tier I/II system administration and help desk support for classified and mission systems, including troubleshooting hardware, software, account access, and connectivity issues. Install, configure, maintain, and update servers, workstations, operating systems, and mission applications in accordance with Government security and operational requirements. Respond to user requests through phone, email, portal, and walk-in support, ensuring timely resolution, accurate ticket tracking, and strong customer service. Monitor system health, performance, backups, and availability; identify issues proactively and implement corrective actions to minimize downtime and mission impact. Maintain and update technical documentation, SOPs, system inventories, audit logs, and configuration records to support continuity, compliance, and operational readiness. Support cybersecurity and compliance activities by applying patches, assisting with vulnerability remediation, following RMF/JSIG/ATO procedures, and escalating security incidents as required.