Lead - Captive Operations

Job description

About The Company Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a New World of Communications Job Description - L2 SD-WAN Engineer Job Title: L2 SD-WAN Engineer Location: Hyderabad Experience: Minimum 5-7 years Qualification B.E./B.Tech./MCA with minimum 5 years of relevant experience OR BCA/B.Sc.-IT with minimum 7 years of relevant experience Certifications Required OEM certification in at least one SD-WAN technology is preferred/mandatory, such as: Cisco SD-WAN Fortinet Secure SD-WAN Versa SD-WAN CCNA/CCNP, NSE/FCP, Versa Certified or equivalent networking/SD-WAN certification will be an added advantage. CEH certified Job Summary We are seeking a highly capable and experienced L2 SD-WAN Engineer to join the Network Operations team at the client location. The candidate will be responsible for the day-to-day operation, monitoring, troubleshooting, configuration, maintenance, and implementation of multi-vendor SD-WAN environments. The role requires strong hands-on experience in SD-WAN technologies and enterprise networking, with the ability to work across different OEM platforms such as Cisco SD-WAN, Fortinet Secure SD-WAN, and Versa SD-WAN. The candidate will work closely with L1, L3, Network, Security, ISP, and OEM teams to ensure high availability, optimal performance, and secure connectivity across data centers, branch offices, cloud environments, and remote locations. The candidate should have a good understanding of SD-WAN architecture, centralized orchestration, underlay and overlay networks, routing protocols, VPN/VRF, IPsec tunnels, application-aware routing, QoS, high availability, and Internet/MPLS connectivity. Key Responsibilities Monitor and manage multi-vendor SD-WAN infrastructure, including Cisco, Fortinet, and Versa SD-WAN solutions. Perform day-to-day operational support and troubleshooting of SD-WAN devices, controllers, orchestrators, and management platforms. Monitor the health and availability of SD-WAN overlay and underlay networks, including WAN links, tunnels, controllers, and edge devices. Troubleshoot SD-WAN connectivity issues involving MPLS, Internet, broadband, LTE/4G/5G, and other WAN transport technologies. Troubleshoot and resolve issues related to IPsec tunnels, overlay connectivity, routing, VPN/VRF, BGP, OSPF, static routes, and route propagation. Analyze SD-WAN alarms, events, logs, and performance metrics to identify and resolve network incidents. Configure and troubleshoot application-aware routing, traffic steering, SLA-based path selection, QoS, and bandwidth utilization. Perform configuration and policy changes through centralized SD-WAN management and orchestration platforms. Implement SD-WAN policies, templates, profiles, routing configurations, security policies, and application-based traffic steering as per approved requirements. Support deployment and implementation of new SD-WAN sites, branches, data centers, and cloud connectivity. Participate in SD-WAN migration projects, including migration from traditional MPLS-based networks to SD-WAN solutions. Perform SD-WAN edge device onboarding, provisioning, configuration, and validation activities. Support integration of SD-WAN with existing network and security infrastructure, including firewalls, routers, switches, Internet gateways, and cloud platforms. Perform health checks, configuration backups, software upgrades, firmware upgrades, and patch management for SD-WAN infrastructure. Troubleshoot performance issues related to latency, packet loss, jitter, bandwidth utilization, and application performance. Coordinate with ISPs and telecom service providers for resolution of WAN link-related incidents and performance issues. Work with L1 and L3 teams to investigate, troubleshoot, and resolve complex SD-WAN incidents and service-impacting issues. Participate in the incident, problem, and change management processes and ensure compliance with defined ITIL processes and SLAs. Validate and implement approved SD-WAN change requests, including impact assessment, implementation planning, rollback planning, and post-change validation. Support SD-WAN high-availability configurations, redundancy testing, failover testing, and DR drills. Perform planned and emergency changes during maintenance windows and ensure proper post-change validation. Support troubleshooting and implementation of SD-WAN security features, including IPsec encryption, segmentation, secure connectivity, and integration with next-generation firewalls. Support network segmentation using VPN/VRF and SD-WAN segmentation policies based on business and security requirements. Perform configuration-level remediation activities identified through vulnerability assessments, security audits, and compliance reviews. Analyze and act upon OEM advisories, security vulnerabilities, bug notifications, and recommended software upgrades relevant to SD-WAN platforms. Maintain updated network diagrams, configuration documents, implementation documents, SOPs, MOPs, and troubleshooting guides. Create and maintain knowledge base articles for recurring SD-WAN incidents, known errors, and standard troubleshooting procedures. Prepare operational reports covering SD-WAN availability, incidents, link performance, SLA compliance, capacity utilization, and recurring issues. Generate reports and dashboards related to SD-WAN health, network performance, incidents, and service trends. Demonstrate proficiency in Microsoft Excel and PowerPoint for operational reporting, d