Network Administrator

About the position

• Job Purpose:

To administer, maintain, and support enterprise network infrastructure using predominantly Cisco technologies, ensuring stable, secure, and efficient day-to-day network operations across LAN, WAN, and hybrid environments.Key Responsibilities:Network Operations

• Monitor network availability, performance, and capacity
• Perform routine maintenance, upgrades, and patching
• Configure and manage Cisco routers and switches
• Maintain LAN, WAN, Wi-Fi, and VPN connectivity

Configuration Administration

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• Configure VLANs, trunking, and IP addressing schemes
• Manage routing protocols (OSPF, EIGRP – basic to intermediate level)
• Administer DHCP, DNS, and IP management
• Maintain configuration backups and version control

User Service Support

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• Provide 1st and 2nd line network support
• Troubleshoot connectivity issues (LAN, Wi-Fi, VPN, internet and VoIP)
• Support service desk in resolving network-related incidents
• Assist in onboarding of new systems and users

Incident Problem Management

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• Log, track, and resolve incidents within SLA
• Perform root cause analysis for recurring issues
• Escalate complex issues to Network Engineers or vendors
• Participate in major incident resolution processes

Security Administration

• Apply firmware updates and security patches
• Configure basic firewall rules (Cisco ASA / FortiGate)
• Monitor network for anomalies and vulnerabilities
• Support compliance with IT security policies and standards

Monitoring Reporting

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• Use monitoring tools (e.g., SolarWinds, PRTG, CheckMK)
• Generate network performance and availability reports
• Proactively identify and resolve performance degradation

Documentation

• Maintain network diagrams and topology documentation
• Update configuration records and asset registers
• Develop and maintain SOPs and operational procedures

Skills CompetenciesCore Networking SkillsStrong understanding of:

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• TCP/IP, subnetting, DNS, DHCP
• VLANs, STP, trunking
• Routing fundamentals (OSPF, EIGRP)

Cisco Technologies

• Cisco IOS configuration and troubleshooting
• Cisco Catalyst switching (Layer 2 / Layer 3)
• Basic Cisco router configuration
• Exposure to Cisco wireless solutions (WLC – advantageous)

Network Security

• Basic firewall configuration (ACLs, NAT)
• VPN technologies (site-to-site, remote access)
• Understanding of network segmentation and access control

Connectivity WAN

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• MPLS, broadband, DIA circuits
• VPN connectivity and failover mechanisms
• Basic QoS concepts

Monitoring Tools

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• Network monitoring platforms (SolarWinds, PRTG, CheckMK)
• Log analysis and troubleshooting tools
• Packet capture basics (Wireshark – advantageous)

Soft Skills

• Strong troubleshooting and analytical thinking
• Attention to detail
• Good communication and user support skills
• Ability to work under pressure in incident situations

Qualifications:

• Minimum (Relevant Degree / Diploma in IT, Networking, or Engineering)

Preferred Certifications:

• Cisco Certified Network Associate (CCNA)

Advanced / Advantageous

• Cisco Certified Network Professional (CCNP Enterprise)

Experience

• C2 Level (Senior Network Administrator)
• 5–8 years’ experience in enterprise environments

Proven ability to:

• Manage network infrastructure independently
• Troubleshoot complex issues across LAN/WAN
• Support high-availability environments

Experience with:

• MPLS and multi-site connectivity
• Firewall and WAN failover configurations
• Supporting DR/BCP environments

Strong vendor engagement (ISPs, Cisco partners

Desired Skills:

• LAN
• WAN
• Wi-Fi
• and VPN
• ISP
• VLAN