Job Title: Network Administrator

Experience: 5–7 Years

Location: Visakhapatnam

Employment Type: Full time

Job Summary

The Network Administrator will be responsible for managing, maintaining, and securing the organization’s network infrastructure. This role requires strong hands-on expertise in routing, switching, firewalls, VPNs, and network monitoring tools, along with the ability to troubleshoot complex issues and ensure high availability of IT systems.

Key Responsibilities

Network Operations & Maintenance

• Configure, manage, and troubleshoot routers, switches, firewalls, and load balancers
• Monitor network performance and ensure uptime, reliability, and scalability
• Manage LAN, WAN, WLAN, and VPN connectivity across multiple sites

Security & Compliance

• Implement and maintain network security controls (firewalls, IDS/IPS, ACLs)
• Conduct regular security assessments and patch updates
• Ensure compliance with organizational and regulatory standards

Infrastructure Management

• Administer IP addressing, DHCP, DNS, and VLAN configurations
• Manage bandwidth utilization and optimize network traffic
• Oversee backup, disaster recovery, and failover strategies

Troubleshooting & Support

• Diagnose and resolve network issues (Layer 2/3 troubleshooting)
• Provide Tier-2/3 support for escalated network problems
• Collaborate with vendors and service providers for issue resolution

Documentation & Reporting

• Maintain updated network diagrams, asset inventory, and configuration records.
• Prepare performance reports and recommend improvements.

Core Technical Skills

• Networking Protocols: TCP/IP, DNS, DHCP, SNMP, BGP, OSPF, MPLS.
• Hardware Expertise: Cisco, Juniper, HP, Dell, Fortinet, Palo Alto.
• Security Tools: Firewalls, IDS/IPS, VPNs, NAC solutions.
• Monitoring Tools: SolarWinds, Nagios, PRTG, Wireshark.
• Cloud Networking: AWS VPC, Azure Virtual Network, hybrid cloud connectivity.
• Virtualization & Infrastructure: VMware, Hyper-V, SD-WAN solutions.
• Operating System: Moderate hands on experience on Linux and Windows Operating systems.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field.
• 5+ years of hands-on experience in network administration.
• Strong troubleshooting and problem-solving skills.

Certifications (Preferred)

• Cisco Certified Network Associate (CCNA) / Professional (CCNP).
• Fortinet NSE / Palo Alto PCNSA.