Network Administrator

SUMMARY:

• Job Purpose:

POSITION INFO:
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 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 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 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 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 & Competencies Core Networking Skills Strong understanding of: 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 MPLS, broadband, DIA circuits VPN connectivity and failover mechanisms Basic QoS concepts Monitoring & Tools 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

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