- 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