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Job Title:

Network Data Admin L3 Overview: The Network Engineer L3 will be responsible for managing and maintaining the production network environment of a large heterogeneous enterprise network infrastructure. This role involves handling data center network operations supporting business and mission-critical applications, diagnosing complex issues, resolving problems, and participating in major network changes. The position demands strong technical expertise, leadership, and the ability to work in a dynamic 24/7 environment.

Must Have:

8+ years of core enterprise network experience
3+ years of hands-on experience with Palo Alto firewalls (configuration, troubleshooting, and policy management).
3+ years of Security NOC experience including Zscaler cloud security platform (monitoring, policy enforcement, and incident management).
Proficiency in Cisco routing and switching across access, core, and distribution layers.
Minimum 3 years of experience with wireless technologies (Cisco/Aruba).
CCNP Certification (mandatory).
Experience in handling a team of 10 members.

Key Responsibilities:

Network Operations:

Handle datacenter network operations supporting business and mission-critical applications.
Work in 24/7 shifts and manage escalated incidents or high-critical tickets.
Analyze risk/impact and participate in major network changes.
Diagnose issues, resolve problems, identify incident patterns, and drive permanent resolutions.
Follow ITIL processes including incident, change, and problem management lifecycle.
Network Installation and Troubleshooting: Install, configure, and troubleshoot LAN, WAN, WLAN, and DHCP enterprise network infrastructure.
Expert experience in troubleshooting dynamic and static routing protocols such as EIGRP, OSPF, BGP, HSRP, VRRP.
Expertise in switching technology with LAN and datacenter networking (Gigabit Ethernet, L2/L3 Switching, VLANs, STP, VTP, etc.).
Provide DNS/DHCP/NTP operational support. Utilize Python scripting and network automation skills for operational efficiency.
Awareness and experience with monitoring and management tools like Solar Winds and Moogsoft