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# Senior Network Administrator

- **Company:** Systems, Inc
- **Location:** Alexandria, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** VoIP, Complex Networks, Information Systems, Computer Networks, Data Centers, Monitoring of Systems, Internetworking, Network Troubleshooting, Network Layer, Network Configuration and Change Management, Network Architecture, Network Installation Services, Network Administration, Software Engineering, Wide Area Networks, Wireless Networks, Cloud-native Network Functions (CNF), Firewalls (Computer Science), Information Technology, SDN Network, 3-tier Architectures, Cisco
- **Published:** October 31, 2026
- **Apply:** https://diversityjobs.com/career/18804167/Senior-Network-Administrator-Virginia-Alexandria

## About the Role

Years of Experience: 10 years of experience

Education Requirements: Bachelor's degree in computer science, Information Systems, Engineering, or related field, or equivalent practical experience

Program Description: The contractor shall provide IT Infrastructure support services, which includes Tier 1 Help Desk, Tier 2 End User Support, Tier 3 Server, Platform, and Network Infrastructure Support and Engineering. Services shall include, but are not limited to, technical assistance for hardware, software, and network issues; incident and problem resolution; service request management; infrastructure monitoring and support; hardware and software lifecycle support; and management of escalation across all tiers., * A bachelor's degree in computer science, information systems, engineering, or
related field.

 * A Cisco Certified Internetwork Expert (CCIE) certification or a minimum of ten
(10) years of experience in a relevant IT area, to include LAN, WAN, wireless,
VoIP, data center and software-defined networking (SDN) administration,
engineering, and architecture., * Bachelor's degree in computer science, Information Systems, Engineering, or related field.

 * Ability to maintain a Public trust security clearance

## Description

Position Description: The Senior Network Administrator is responsible for managing and maintaining the
agency's network infrastructure. This role involves overseeing the deployment,
configuration, and support of Cisco network devices, Palo Alto Firewall devices, Cloud
networks while ensuring optimal performance, security, and availability, * The senior network administrator shall be responsible for, but is not limited to, performing
the following:

 * Leading the installation, configuration, and maintenance of Cisco network
devices, including routers, switches, and firewalls.

 * Monitoring and optimize the performance of the network, ensuring efficient
resource allocation and minimal downtime.

 * Diagnosing and resolving complex network issues, including connectivity,
performance, and security problems.

 * Ensuring the security of the network by applying patches, updates, and security
configurations of all network devices.

 * Maintaining comprehensive documentation of network configurations,
procedures, and policies.

 * Working closely with other IT teams to support network needs and integrate
network solutions with other systems.

 * Providing guidance and mentorship to junior network administrators and other IT
staff.

 * Providing architect network infrastructure services to include establishing secure
baseline network configurations, developing network implementation plans, and
service deployments.

 * Leading complex troubleshooting layer 2, layer 3, wireless network, VoIP, data
center and SDN technologies.

 * Researching and report on new technologies and how they provide value to
the organization.

 * Performing hardware installations and supporting the configuration of IT network
systems in NCUA on-prem environments.