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# Network Admin

- **Company:** Digital Intelligence Systems, LLC
- **Location:** Reston, VA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Border Gateway Protocol, VoIP, Complex Networks, Cyber Security, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Firmware, Intrusion Detection Systems, Virtual Private Networks (VPN), Network Security, Network Configuration and Change Management, Network Administration, Open Shortest Path First (OSPF), TCP/IP, Wide Area Networks, Wireless Networks, Internet Protocol Telephony, Firewalls (Computer Science), Juniper, Information Technology, Performance Monitor, Cisco, Vulnerability Analysis
- **Published:** August 7, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/network-admin-reston-va-usa-58834746

## About the Role

skilled policies * Analyze traffic, tune QoS, optimize network configurations * Collaborate with system admins, developers, and security teams * Maintain network documentation and reporting * Prepare disaster recovery and business continuity plans * Mentor junior staff and lead cross-functional infrastructure projects Tasks * Bachelor's degree in computer science, IT, or related field, or equivalent experience * 7-10 years in network administration with at least 2 years VOIP management * Experience designing and maintaining complex network environments * Strong TCP/IP, DNS, DHCP, BGP, OSPF knowledge * Hands-on experience with Cisco, Juniper, or equivalent hardware * Solid understanding of network security best practices, firewalls, IDS/IPS, VPNs * Familiarity with wireless networking management * Professional certifications such as CCNP, Network+, or CISSP are highly preferred Key requirements *

## Description

Experteer Overview In this role you will manage and optimize the organization's network, voice, and security infrastructure. You will design and deploy LAN/WAN, VPN, and wireless networks while administering VOIP systems and Cisco IP Phones with ISE integration. You will ensure secure, reliable performance and collaborate with cross-functional teams on infrastructure upgrades. This position offers growth within a highly skilled IT team and exposure to enterprise-grade technologies. Compensation / Benefits * Design, deploy and oversee LAN/WAN/VPN/wireless networks * Configure and monitor VOIP systems (Cisco IP Phones with ISE) * Develop network solutions aligned with strategic objectives * Assess new networking technologies for efficiency * Monitor performance, troubleshoot, and minimize downtime * Perform firmware updates, patches, hardware replacements * Implement and manage security measures (firewalls, IDS/IPS, encryption) * Conduct vulnerability assessments and enforce data protection policies * Analyze traffic, tune QoS, optimize network configurations * Collaborate with system admins, developers, and security teams * Maintain network documentation and reporting * Prepare disaster recovery and business continuity plans * Mentor junior staff and lead cross-functional infrastructure projects Tasks * Bachelor's degree in computer science, IT, or related field, or equivalent experience * 7-10 years in network administration with at least 2 years VOIP management * Experience designing and maintaining complex network environments * Strong TCP/IP, DNS, DHCP, BGP, OSPF knowledge * Hands-on experience with Cisco, Juniper, or equivalent hardware * Solid understanding of network security best practices, firewalls, IDS/IPS, VPNs * Familiarity with wireless networking management * Professional certifications such as CCNP, Network+, or CISSP are highly preferred Key requirements *


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