Network Engineer L2

Network Engineer – L2 Industry Type: IT Services & Consulting The Network L2 Engineer will be responsible for supporting, managing, and optimizing enterprise network infrastructure across LAN, WAN, and SD-WAN environments. The role involves handling advanced troubleshooting, implementing network changes, ensuring high availability, and collaborating with cross-functional teams to maintain a secure and resilient network. Responsibilities: ·         Perform L2-level support for LAN, WAN, and SD-WAN operations, ensuring network uptime, reliability, and performance. ·         Troubleshoot and resolve issues related to routing and switching technologies including OSPF, BGP, EIGRP, STP, VLANs, VRRP/HSRP, and other L2/L3 protocols. ·         Provide 2nd-tier support for escalated network and firewall incidents across enterprise environments. ·         Diagnose and resolve cloud connectivity and network-related issues, ensuring minimum downtime and high-quality service delivery. ·         Support enterprise security infrastructure including firewalls, security appliances, and NAC (Network Access Control) solutions. ·         Manage NAC operations such as device onboarding, authentication, profiling, and policy enforcement. ·         Ensure compliance with network security standards, configuration baselines, and audit requirements. ·         Participate in firewall upgrades, rule reviews, and configuration changes. ·         Configure, manage, and troubleshoot Wi-Fi infrastructure, including wireless controllers, access points, RF optimization, and end-user connectivity issues. ·         Execute network changes as per ITIL processes, covering change requests, incident handling, and problem management. ·         Work closely with L1 and L3 teams to ensure efficient escalation, resolution, and closure of incidents. ·         Monitor network performance and health using tools such as SolarWinds, WhatsUp Gold, or similar platforms. ·         Maintain updated network documentation, diagrams, configuration backups, inventory, and knowledge base articles. ·         Assist in network upgrades, migrations, and technology refresh projects across firewalls, routers, core/distribution/access switches, and data center platforms. ·         Support modernization initiatives involving Cisco Nexus, ACI, cloud networking, and other emerging technologies. ·         Collaborate with cross-functional teams to improve network performance, scalability, and security posture.

Skill Set: · Strong hands-on experience in LAN/WAN/SD-WAN operations. · Proficiency in routing and switching technologies (Cisco, Aruba, Juniper preferred). · Experience working with NAC solutions such as Cisco ISE, Aruba ClearPass, or FortiNAC. · Knowledge of Wi-Fi infrastructure, RF behavior, WLAN controllers, and enterprise wireless deployments. · Ability to analyze packet captures and interpret system/network logs for troubleshooting. · Good understanding of firewall concepts and network security best practices. · Experience with network monitoring and ticketing tools. · Solid understanding of L2/L3 protocols (OSPF, BGP, EIGRP, STP, HSRP/VRRP, VLANs). · Experience with enterprise firewalls, switching (core/distribution/access), and routers. · Exposure to data center technologies including Cisco Nexus and ACI. · Familiarity with ITIL processes for change, incident, and problem management. Preferred Skills & Certifications: · Strong analytical and problem-solving abilities. · Excellent communication and documentation skills. · Ability to work under pressure and manage multiple priorities. · Team player with proactive attitude. · CCNA / CCNP (Routing & Switching/Enterprise) · Aruba Associate (ACSA/ACSA-W) · Juniper Associate (JNCIA)