System Administrator

• Install, configure, administer, and maintain CALEA LAN/WAN infrastructure, servers, SANs, and network devices.
• Administer Active Directory (AD), including:• Promoting/demoting domain controllers• Troubleshooting DNS and DHCP issues• Managing GPO hierarchy and execution• Writing and maintaining PowerShell/Bash scripts for automation• Analyzing event logs and Windows system errors
• Plan, deploy, and maintain COOP and DR capabilities in coordination with the Government and vendor partners, ensuring redundancy and failover readiness.
• Patch and update servers and workstations; ensure security baseline compliance with DHS and FISMA standards.
• Apply and troubleshoot security hardening requirements and vulnerability remediation; support the ATO process and collaborate with the ISSO to resolve findings.
• Administer virtualization and storage platforms, including:• VMware ESXi/vCenter – patching, updates, capacity planning, troubleshooting• Nutanix – cluster management and maintenance• NetApp – SAN/NAS configuration and data management
• Assist with Palo Alto firewall deployment and rule migration (from Cisco ASA 5506) to support network segmentation and high availability.
• Configure and troubleshoot Cisco and Dell switches; support VPN tunnels and IP transition projects (copper to fiber).
• Support lab environment setup and testing for patch validation and COOP simulation.
• Perform hardware replacement (hard drives, memory modules, power supplies, etc.).
• Maintain technical documentation, diagrams, and SOPs in CALEA repositories.
• Liaise with Harmonia and ICE technical leads to coordinate troubleshooting and mission support.

Systems Administrator

Associate System Administrator – MS Exchange, Active Directory

System Administrator

System Administrator

Systems Administrator/Integrator