Network Operations Engineer

Job description

Job Description Senior Network Engineer (L3) / Network Specialist Position Title **Senior Network Engineer (L3) Enterprise Networking & Security** Location Noida Experience 7–10 Years Employment Type Full-Time About the Role We are seeking a highly skilled **Senior Network Engineer (L3)** to join our enterprise networking team and support the design, implementation, optimization, and troubleshooting of complex global network environments. The ideal candidate will possess deep expertise in routing, switching, SD-WAN, network security, and enterprise infrastructure operations, with the ability to manage critical incidents and drive network transformation initiatives. This role offers exposure to large-scale enterprise networks, advanced security technologies, network modernization programs, and collaboration with global stakeholders. Key Responsibilities Network Design & Operations - Design, implement, and maintain enterprise network infrastructure across data centers, branch offices, cloud, and hybrid environments. - Manage and support Cisco routers, switches, wireless infrastructure, Palo Alto firewalls, and WAN technologies. - Configure, optimize, and troubleshoot routing and switching environments involving BGP, OSPF, EIGRP, MPLS, VLANs, VSS, and network segmentation. - Support SD-WAN deployments, primarily Versa SD-WAN, including configuration, implementation, and troubleshooting. Incident Management & Troubleshooting - Perform advanced L2/L3 troubleshooting for complex network incidents. - Conduct packet analysis, root cause analysis, and performance diagnostics. - Ensure timely resolution of incidents while adhering to defined SLAs and operational standards. - Participate in major incident management and escalation processes. Network Security - Implement and manage enterprise security solutions including: - Palo Alto Firewalls - Cisco ASA Firewalls - Site-to-Site VPNs - Remote Access VPNs - Network Access Controls - Maintain firewall policies, security standards, and network segmentation strategies. - Support security and compliance requirements, including PCI-regulated environments. Performance & Optimization - Monitor network performance and availability across global environments. - Drive proactive improvements to network stability, reliability, and bandwidth optimization. - Support capacity planning and IP address management activities. - Recommend architecture enhancements and cost-optimization opportunities. Documentation & Collaboration - Maintain accurate network documentation, architecture diagrams, SOPs, and incident reports. - Collaborate with global teams, vendors, and business stakeholders for network enhancements and issue resolution. - Provide technical leadership, mentoring, and knowledge sharing for junior engineers. Automation & Innovation - Contribute to network automation initiatives using Python, Ansible, and related tools. - Identify opportunities to improve operational efficiency through automation and process optimization. Required Skills & Experience Networking - 7+ years of hands-on experience in enterprise network engineering or L3 network operations. - Strong expertise in: - BGP - OSPF - EIGRP - MPLS - Routing & Switching - VLANs - VSS - WAN Technologies SD-WAN - Hands-on experience with SD-WAN technologies. - Versa SD-WAN experience strongly preferred. Security - Strong experience with: - Palo Alto Firewalls - Cisco ASA - VPN Technologies - Firewall Policy Management - Network Security Operations Wireless & Infrastructure - Experience with enterprise wireless controllers and wireless networking environments. - Exposure to large-scale enterprise and data center networks. Troubleshooting - Expertise in: - L3 troubleshooting - Packet captures and analysis - Root Cause Analysis (RCA) - Incident and Problem Management Preferred Qualifications - Experience supporting PCI-compliant or highly regulated environments. - Exposure to cloud networking and hybrid infrastructure environments. - Experience with network automation using Python and/or Ansible. - Knowledge of network monitoring and management tools. - Relevant certifications are highly desirable: - CCNP Enterprise - CCIE Enterprise Infrastructure - Palo Alto Certifications (PCNSE) - Versa Certifications Preferred Background Candidates from the following environments are preferred: - Large Enterprises - Global Capability Centers (GCCs) - Product-Based Organizations - Managed Network Services Providers - Enterprise NOCs supporting global customers