Senior Network Engineer

We are seeking a Sr. Network Engineer to provide L3 network support across enterprise infrastructure, security, routing, switching, wireless, and connectivity environments. The role will be responsible for resolving complex incidents, supporting network changes, and maintaining reliable and secure network operations.

Key Responsibilities

• Provide L3 troubleshooting and resolution for complex network and firewall incidents.
• Manage and support FortiGate Firewall and Cisco Firepower Threat Defense (FTD) environments using Firewall Management Center (FMC).
• Design, configure, and troubleshoot Cisco routing and switching environments, including VLANs, OSPF, BGP, and STP.
• Support enterprise wireless networks and resolve performance, connectivity, and authentication issues.
• Troubleshoot DHCP, DNS, NAT, VPN, and end-to-end network connectivity issues.
• Participate in network monitoring, incident management, problem management, and change management activities.
• Perform root-cause analysis, document resolutions, and recommend preventive actions.
• Collaborate with cross-functional teams, vendors, and stakeholders to restore services and deliver network changes effectively.
• Maintain accurate network documentation, operational procedures, and knowledge articles.

Required Skills & Qualifications

• 10+ years of hands-on experience in network engineering and enterprise network operations.
• Strong experience with FortiGate Firewall and Cisco Firepower Threat Defense (FTD).
• Practical experience with Cisco Firewall Management Center (FMC).
• Strong knowledge of Cisco routing and switching.
• Expertise in VLANs, OSPF, BGP, and STP.
• Experience supporting and troubleshooting enterprise wireless networks.
• Strong troubleshooting skills across DHCP, DNS, NAT, VPN, and network connectivity.
• Experience with network monitoring, incident management, and change management processes.
• Strong analytical, communication, documentation, and collaboration skills.

Desired Skills

• Cisco ISE, including RADIUS, TACACS+, and 802.1X.
• Azure Networking, including VNet, NSG, VPN Gateway, and ExpressRoute.
• SD-WAN experience with Aruba EdgeConnect/Silver Peak.
• Experience with LogicMonitor, Splunk, and ServiceNow.