Network Administrator

Responsibilities:

• Install, configure, and maintain network equipment such as routers, switches, firewalls, and VPN devices.
• Monitor network performance and ensure system availability and reliability.
• Optimize network performance by monitoring, analyzing, and tuning network resources.

Troubleshooting & Support:

• Diagnose and resolve network problems (hardware or software) in a timely manner.
• Provide technical support for users experiencing network issues.
• Manage and resolve issues related to network connectivity, bandwidth usage, and related hardware/software problems.

Security Management:

• Implement and maintain network security protocols, such as firewalls, VPNs, and intrusion detection/prevention systems (IDS/IPS).
• Perform regular security assessments and vulnerability testing.
• Monitor network traffic for security breaches and other anomalies.

System Upgrades & Maintenance:

• Perform regular software and firmware updates for network devices.
• Manage backup and disaster recovery procedures for network configurations.
• Maintain network documentation, including topology maps, configuration files, and update logs.

Collaboration & Vendor Management:

• Work with vendors and third-party service providers to ensure timely delivery of services and products.
• Assist in designing network architecture and making recommendations for improvements.
• Collaborate with other IT staff and departments to coordinate network services and projects.

Capacity Planning & Expansion:

• Monitor and evaluate network performance to determine if the current infrastructure meets the organization's needs.
• Plan for network capacity expansion and future network needs.
• Manage upgrades to accommodate growth in network traffic and new technologies.

Requirements:

• Strong understanding of network protocols (TCP/IP, DNS, DHCP, etc.).
• Hands-on experience with network hardware (Cisco, Juniper).
• Familiarity with network monitoring and diagnostic tools (e.g., Wireshark, SolarWinds, Nagios).
• Knowledge of firewalls, VPNs, and security best practices.