Network administrator

Responsibilities

• Administer, monitor, and maintain the company’s LAN, WAN, wireless networks, servers, and related infrastructure
• Configure and troubleshoot routers, switches, firewalls, and other network hardware
• Ensure network security by implementing firewalls, VPNs, and intrusion detection systems (IDS)
• Perform regular data backups and disaster recovery operations
• Monitor network performance, identifying bottlenecks and optimizing system efficiency
• Provide technical support and guidance to users experiencing network issues
• Maintain and update network documentation, diagrams, and equipment logs
• Implement and enforce network access policies, including permission and authentication protocols
• Oversee software updates, patches, and security configurations to ensure the network’s integrity
• Collaborate with IT team members to plan and execute network infrastructure upgrades

Languages

Required

• Strong knowledge of network protocols, including TCP/IP, DNS, DHCP, and VPNs
• Proficiency in configuring and troubleshooting routers, switches, firewalls, and wireless networks
• Strong understanding of network security principles and best practices
• Familiarity with server administration (Windows, Linux) and virtualization technologies (VMware, Hyper-V)

Nice to have

• Strong analytical, troubleshooting, and problem-solving skills
• Excellent organizational skills and attention to detail

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