Job Description We are seeking an experienced Network Data L3 Engineer to support and enhance enterprise network infrastructure in a 24x7 operational environment. The successful candidate will be responsible for advanced troubleshooting, major incident management, critical change execution, service improvements, and technical leadership across network operations. This role also requires close collaboration with customers, senior stakeholders, and offshore support teams. Mandatory Technical Skills Routing & Switching (Primary Skill) Cisco Routing & Switching (BGP, OSPF) Palo Alto SD-WAN Strong troubleshooting capabilities across enterprise and data center networks Preferred Technical Skills Infoblox (DDI Management) Gigamon Network Visibility Solutions Network Firewalls Load Balancers Key Responsibilities Act as the senior technical escalation point for complex network incidents and operational issues. Lead Major Incident (P1/P2) resolution and Root Cause Analysis (RCA). Plan and implement major network changes with minimal business impact. Provide technical leadership during critical outages and bridge calls. Drive Service Improvement Plans (SIP) to improve network performance, stability, security, and efficiency. Perform capacity planning, optimization, and lifecycle management activities. Ensure compliance with incident, change, and operational governance processes. Collaborate with architecture, security, engineering, and operations teams. Maintain network standards, documentation, and knowledge repositories. Identify and implement automation opportunities to improve service quality. Leadership & Stakeholder Management Mentor and guide L1 and L2 engineers. Conduct knowledge-sharing and capability-building initiatives. Support operational excellence and delivery commitments. Engage effectively with customers and Director-level stakeholders. Present technical recommendations and service improvement opportunities in business-friendly language. Required Experience 8+ years of experience in Enterprise Network Operations, Engineering, or Infrastructure Support. Experience supporting large-scale enterprise network environments. Strong exposure to WAN, LAN, Data Center, and Network Security technologies. Proven experience handling major incidents and critical network changes. Demonstrated technical leadership and operational governance experience. Behavioral Competencies Strong analytical and problem-solving skills. Ability to perform effectively during critical incidents. Ownership mindset with a proactive approach. Excellent collaboration and communication skills. Customer-focused with a commitment to operational excellence. Work Schedule Willingness to work in a 24x7 support model, including on-call rotations, weekends, and holidays. Flexibility to support critical incidents, maintenance activities, and emergency changes outside business hours. Certifications (Preferred) Cisco CCNP or CCIE ITIL Foundation