Network Admin

Network Administrator

We are seeking a highly skilled Network Administrator with an active TS/SCI Full Scope Polygraph to support, maintain, and enhance high-security network environments. This role requires hands-on experience with OSPF routing, high and low-speed network operations, and enterprise-class network equipment. The Network Administrator will plan, install, configure, test, operate, and document network systems while ensuring security, availability, and optimal performance.

Key Responsibilities

• Network Operations & Administration
• Plan, install, configure, test, and maintain high-speed and low-speed networks using COTS hardware/software.
• Perform scheduled network status checks, monitoring, troubleshooting, and resolving technical issues.
• Provide detailed network documentation, including diagrams, configuration records, and operational notes.
• Establish and manage user accounts, access privileges, and enforce security policies.
• Network Design & Implementation
• Plan and implement LAN architectures for high and low-speed connectivity.
• Configure and deploy common network devices, including firewalls, routers, switches, and VPN appliances.
• Develop and implement VPN solutions, including site-to-site VPNs via hardware-based firewalls.
• Integrate new technologies into existing network environments.
• Routing, Protocols & OSPF
• Configure, manage, and troubleshoot OSPF routing environments (required).
• Perform routing analysis, optimization, and validation.
• Equipment Configuration, Testing & Maintenance
• Manage and evaluate hardware firmware revisions; test and deploy updates when appropriate.
• Install, configure, and troubleshoot enterprise-class network equipment (firewalls, routers, switches).
• Install and troubleshoot fiber cross-connects and backbone connectivity.
• Audit hardware/software changes and maintain accurate inventory records.
• Collaboration & Support
• Work closely with Security System Technicians to ensure proper connectivity and system integration.
• Coordinate with corporate network teams to establish and maintain secure corporate/VPN connectivity.
• Performance Monitoring & Security
• Monitor network performance (availability, utilization, throughput, goodput, latency).
• Test for network weak points and assist in mitigation strategies.
• Ensure compliance with security requirements and operational policies.

Required Qualifications

• Active TS/SCI with Full Scope Polygraph (mandatory).
• Minimum 6 years of experience in network system/subsystem support and maintenance.
• Current certification in at least one of the following: Cisco Certified Network Associate (CCNA) CompTIA Network+
• Hands-on OSPF experience (mandatory).