Network Administrator, Sr

SMS is hiring a Senior Network Administrator to support our Base Infrastructure Modernization (BIM) contract, providing Tier 2 network administration support to augment Air National Guard Communications Squadron personnel in operating legacy NIPR and SIPR Base Area Network infrastructure. Since 1976, SMS has specialized in modernizing legacy IT and sustaining complex enterprise environments for federal agencies, building long-term partnerships by investing in employee training, tools, and support to keep critical missions operational, improve performance, and reduce risk. SMS is headquartered in McLean, Virginia, with offices and on-site operations at customer locations throughout the United States.

Responsibilities

• Perform shared Tier 2 network administration responsibilities including network monitoring, troubleshooting, security patching per vendor guidance, and configuration management
• Configure network equipment including switches, routers, and wireless controllers per vendor engineering design
• Maintain network device configurations and implement approved changes following change management processes per TO 00-33A-1100
• Monitor network performance using SolarWinds, Splunk, and other network management tools
• Troubleshoot network connectivity issues, routing problems, VLAN configurations, and switching infrastructure
• Perform security patching and vulnerability remediation on network devices
• Respond to Time Compliance Network Orders (TCNOs), Information Assurance Vulnerability Alerts (IAVAs), and USCYBERCOM/AFCYBER TASKORDs
• Participate in local configuration control board meetings
• Coordinate with Tier 3/4 Subject Matter Experts for complex troubleshooting requiring advanced engineering support
• Document network changes in Enterprise ITSM solution (ServiceNow)
• Retain administrative privileges and access alongside Communications Squadron personnel

Requirements

• Minimum 8 years of Network Administration experience in DoD environments
• Bachelor's degree in information technology, network engineering, or related field
• Cisco CCNP or equivalent certification
• CompTIA Security +CE certification
• DoD Secret security clearance