Senior Network and Computer Systems Administrator Portsmouth, VA
Job Summary We are seeking a Senior Network and Computer Systems Administrator is responsible for the design, implementation, and maintenance of enterprise network and server infrastructure to ensure secure, reliable, and high-performance IT operations. This role combines advanced networking expertise with comprehensive systems administration skills to support mission-critical environments.
Responsibilities - Configure, monitor, and troubleshoot routers, switches, firewalls, and VPNs.
- Manage network performance, capacity planning, and QoS policies.
- Implement and maintain network security measures (ACLs, IDS/IPS, STIG compliance).
- Perform firmware upgrades, patching, and vulnerability remediation.
- Support disaster recovery and business continuity planning.
- Document network architecture, configurations, and change management processes.
Education and Experience - Bachelor's degree in IT, Computer Science, or related field.
- 10+ years of experience in enterprise networking.
Required Skills - Strong knowledge of TCP/IP, VLANs, routing protocols (OSPF, BGP), and network monitoring tools.
Security Clearance - U.S Citizen
- Active Top Secret (T5)
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