> Markdown version of [/jobs/ext/1273301-it-network-administrator](https://www.wearedevelopers.com/jobs/ext/1273301-it-network-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT Network Administrator - **Company:** Previews - **Location:** Vallejo, CA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Wireless LAN, Computer Networks, Dynamic Host Configuration Protocol, Network Address Translation, Disaster Recovery, Domain Name System (DNS), Networking Hardware, Virtual Private Networks (VPN), Network Security, Microsoft Visio, Network Architecture, Networking Cables, Network Diagrams, Network Monitoring, Network Protocols, Open Shortest Path First (OSPF), Performance Tuning, Remote Access Technology, TCP/IP, Wireshark, Wide Area Networks, Wireless Networks, Network Routers, Computer Networking Systems, Internet Protocol Telephony, Software Troubleshooting, Firewalls (Computer Science), Documentation System, Information Technology, SolarWinds (Software), Firewall Services Module - **Published:** July 15, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=aa4ac47c3aec1575 ## About the Role · Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience. · Minimum of 3 years of experience supporting enterprise network environments. · Experience with Cisco networking technologies, including routers, switches, wireless networks, VPNs, and firewalls. · Experience supporting network protocols and services such as TCP/IP, DNS, DHCP, NAT, OSPF, and VPN technologies. · Experience with network monitoring and documentation tools such as SolarWinds, Wireshark, and Visio. · Palo Alto firewall experience preferred. · Knowledge of LAN/WAN networking concepts, network security principles, and troubleshooting methodologies. · Knowledge of structured cabling technologies, including copper and fiber-optic cabling. · Strong analytical, troubleshooting, and problem-solving skills. · Excellent verbal and written communication skills. · Ability to manage multiple priorities in a fast-paced environment. · Relevant certifications such as CCNA preferred. ## Description The Network Administrator is responsible for the installation, configuration, maintenance, monitoring, and support of the organization's network infrastructure, and firewall environments. This role provides day-to-day operational support, troubleshoots network issues, maintains network performance and security, and ensures reliable connectivity for business operations., · Install, configure, maintain, and support network infrastructure, including routers, switches, firewalls, wireless networks, and VoIP systems. · Monitor network performance, availability, and security to ensure reliable operation. · Troubleshoot and resolve network, hardware, software, and communication issues. · Configure and maintain LAN, WAN, WLAN, VPN, and DMZ environments. · Assist with network equipment installations, upgrades, and maintenance activities. · Maintain firewall configurations and support network security initiatives. · Perform routine network monitoring, capacity analysis, and performance optimization. · Create and maintain network diagrams, documentation, and operational procedures. · Support backup connectivity and disaster recovery processes for network systems. · Open, track, and resolve incidents using established ticketing systems. · Work with vendors and support personnel to resolve technical issues. · Assist with network cabling, connectivity testing, and infrastructure support. · Monitor network hardware and software to ensure proper functionality and maintenance. · Provide technical support to end users and other IT team members. · Follow established IT policies, procedures, and standard operating practices. · Perform other duties as assigned. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [How I saved 200K/yr in direct costs writing 0 code lines in K8s](https://www.wearedevelopers.com/videos/1055-how-i-saved-200k-yr-in-direct-costs-writing-0-code-lines-in-k8s) - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) ## Related Articles - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [How should you format your IT resume?](https://www.wearedevelopers.com/magazine/68-how-should-you-format-your-it-resume) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How to Test Your Network Speed in the Terminal](https://www.wearedevelopers.com/magazine/609-how-to-test-your-network-speed-in-the-terminal) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)