Information System Administrator

Responsibilities

• Administer and secure classified IT systems across their full lifecycle, ensuring compliance with DCSA, DoD, and IC cybersecurity requirements.
• Manage hybrid server environments (Windows/Linux), including Active Directory, DNS/DHCP, virtualization (VMware/Hyper‑V), and system patching.
• Oversee storage and backup infrastructure (Dell EMC Unity, enterprise backup platforms), ensuring data integrity and availability.
• Maintain and support network infrastructure, including Cisco routers/switches, LAN/WAN architecture, and secure communications.
• Support desktop/client environments, including system imaging, software deployment, upgrades, and user administration.
• Troubleshoot and resolve complex infrastructure issues across servers, networks, and endpoints beyond Tier 2 support.

• Bachelor’s degree (or equivalent experience) with 5+ years in system administration within classified or government environments.
• Strong expertise in Windows Server, Active Directory, virtualization, enterprise storage, and Cisco networking technologies.
• Experience with cybersecurity frameworks and compliance (RMF, NIST 800‑53, DoD/IC directives).
• Knowledge of network security, firewalls, IDS/IPS tools, and vulnerability management practices.
• Familiarity with enterprise monitoring, patching, backup/recovery, and ITIL‑based operations.
• DoD 8140 IAT Level II certification (Security+ or higher) required; scripting and Linux experience preferred.
• Active Secret clearance required with ability to obtain TS/SCI and CI Poly; U.S. citizenship required.