Network Configuration & Maintenance
• Configure and manage enterprise-grade routers, switches, and firewalls including Cisco, Juniper, Palo Alto, and Fortinet devices
• Implement and maintain VLANs, VPNs, QoS policies, and routing protocols such as OSPF, BGP, and EIGRP
• Perform firmware upgrades, device patching, and hardware lifecycle management
• Configure network segmentation and redundancy to improve reliability and performance
• Support LAN, WAN, wireless, and hybrid cloud networking environments
Monitoring & Troubleshooting
• Monitor network performance and availability using SolarWinds, Nagios, PRTG, Zabbix, or similar platforms
• Investigate and resolve connectivity, latency, routing, and packet loss issues
• Utilize tools such as Wireshark and TCPdump for packet analysis and diagnostics
• Respond to escalated incidents and provide detailed root cause analysis documentation
• Participate in on-call support rotations and critical incident response efforts
• Implement and maintain firewall policies, ACLs, VPN security, and intrusion prevention systems
• Support Zero Trust networking initiatives and secure segmentation strategies
• Ensure compliance with security and regulatory frameworks including PCI-DSS, HIPAA, SOX, and GDPR where applicable
• Maintain patching schedules and monitor for vulnerabilities across network infrastructure
Performance Optimization & Reliability
• Conduct bandwidth analysis and capacity planning to support growth and performance
• Optimize load balancing, failover systems, and high-availability configurations
• Improve uptime, resiliency, and network scalability across environments
• Identify risks proactively and recommend infrastructure improvements before outages occur
Documentation & Governance
• Maintain accurate network diagrams, topology maps, runbooks, and operational documentation using Visio, Lucidchart, or similar tools
• Document network changes, incidents, and configurations following ITIL or change management best practices
• Ensure all network documentation remains audit-ready and current
Collaboration & Infrastructure Projects
• Collaborate with DevOps, cloud, and systems teams on hybrid cloud networking initiatives (AWS VPCs, Azure VNets, GCP networking)
• Support office expansions, migrations, VPN rollouts, and infrastructure upgrades
• Assist in evaluating hardware vendors, networking solutions, and infrastructure improvements
• Participate in infrastructure planning and long-term network architecture discussions