Top Network Engineer Jobs in Chennai

Tests and validates next-generation access network products, infrastructure, code, and hardware. Responsibilities include executing automated and manual test suites, investigating failures, benchmarking technologies, reproducing and troubleshooting field issues, and coordinating test runs with engineers, QA, vendors, deployment, and operations teams. The role works directly with RF and network equipment in test labs and supports faster deployment with fewer customer-facing defects and outages.

Designs, implements, maintains, and troubleshoots complex customer network solutions. Provides Tier IV escalation support, capacity planning, network security guidance, customer pilot support, technical documentation, and professional services assistance. Serves as a technical lead and mentors junior engineers while supporting sales and solutions architecture teams. Participates in an on-call rotation and evaluates network hardware and software solutions.

Designs, documents, monitors, and remotely supports enterprise and hospitality Wi-Fi deployments. Responsibilities include building network topologies, configuring monitoring dashboards, staging and deploying switches and access points, reviewing Ekahau survey data, supporting decommissions, troubleshooting network infrastructure, maintaining documentation, and contributing to network automation efforts.

Provide senior technical support for 4G/5G IMS network functions, including monitoring, incident and problem management, troubleshooting, upgrades, and customer communication. Lead support activities, maintain high availability and performance, assist with cloud infrastructure upgrades, and participate in integration and testing. The role requires expertise in IMS, telecom core networks, 3GPP call flows, TCP/IP, Docker, Kubernetes, and cloud-native architectures, with participation in 24x7 emergency support.

Maintains and supports enterprise LAN, wireless, routing, switching, firewall, VPN, and network security infrastructure. Monitors performance, troubleshoots incidents, performs root cause analysis, executes controlled changes, maintains documentation, supports network projects, and coordinates with vendors and service providers. The role also participates in onboarding, knowledge transfer, security remediation, production network support, and continuous improvements to network reliability and operational efficiency.

Support and deliver managed network services for business customers, focusing on SD-WAN, Internet circuits, VoIP, VPNs, routers, firewalls, and related services. Responsibilities include troubleshooting, configuration, customer onboarding, vendor coordination, issue ownership, customer communication, and mentoring other engineers. The role requires strong networking expertise, particularly with Versa Networks, firewall configuration, routing protocols, NAT, QoS, and network design.

Operate and engineer large-scale network infrastructure in a 24/7 SaaS environment. Design network automation, CI/CD, GitOps, Infrastructure-as-Code, SDN, Kubernetes networking, telemetry, validation, and security-as-code solutions. Manage overlays, routing, firewalls, load balancers, and hybrid network fabrics while serving as a Tier 4 technical authority. Lead troubleshooting, design reviews, documentation standards, mentoring, and cross-functional engineering initiatives.

Provides L3 managed services support across network security, cloud, networking, and application infrastructure. Resolves complex incidents, monitors systems, meets SLAs, coordinates with vendors, and drives optimization and automation. Creates knowledge articles, mentors junior engineers, coaches L2 teams, supports projects and disaster recovery, and ensures infrastructure is configured, tested, operational, and aligned with client requirements.

Provides first-line managed services support for client IT infrastructure, monitoring systems, investigating and resolving security and network incidents, handling ITSM tickets, performing patching and configuration changes, supporting disaster recovery testing, documenting solutions, and escalating issues while maintaining service levels.

As a Senior Network Development Engineer, you will lead integration and system testing, collaborate with development teams, and optimize networking solutions.

Manage and troubleshoot enterprise LAN, WAN, VLAN, wireless, routing, switching, firewall, authentication, and IT/OT network environments. Configure switches and access points, resolve critical incidents, perform upgrades and backups, coordinate with vendors and SOC teams, support audits and cybersecurity hardening, and provide project status updates. The role also supports telepresence, video conferencing, change management, and network implementation projects.

Manage and maintain HLR/HSS systems, provisioning platforms, SIM lifecycle operations, and core network components across multiple countries. Troubleshoot IMS call flows, VoLTE, VoWiFi, USSI, handover, and infrastructure incidents using Wireshark. Support HLR integrations, geographical expansion, capacity planning, process automation, and operational improvements while collaborating with network teams, architects, vendors, and country operations.

Manage enterprise network infrastructure and lead L1/L2 engineers in operational activities. Support Cisco, Aruba, Ruckus, wireless, routing, switching, firewall, authentication, and network management environments. Perform advanced troubleshooting, upgrades, change management, reporting, firewall reviews, and ITIL processes while maintaining factory network uptime. Coordinate escalations with internal teams and vendors and support information security initiatives.

Designs and tests IP network implementations while providing expert technical support, operational guidance, real-time network analysis, and solution testing. Performs manual testing of Cisco routing and switching technologies, particularly Cisco IOS-XR platforms. Uses networking protocols and services including IP/MPLS, OSPF, IS-IS, BGP, Segment Routing, VPNs, and QoS. Automation, traffic-generation tools, troubleshooting, communication, and networking certification are important parts of the role.

Deploys, configures, monitors, troubleshoots, and maintains enterprise network infrastructure across global data centers and remote sites. Administers Cisco, Juniper, Palo Alto, Check Point, F5, and wireless technologies; performs upgrades and network changes; documents configurations; supports security compliance, audits, vendors, and infrastructure projects. Serves as a technical escalation point and participates in on-call and global incident response coverage.

Deploys, configures, monitors, troubleshoots, and maintains enterprise network infrastructure across global data centers and remote sites. Supports Cisco, Juniper, firewall, wireless, and F5 technologies; performs upgrades and network changes; documents configurations; participates in infrastructure projects, audits, incident response, and vendor management. Acts as a technical escalation point and participates in a 24x7 on-call rotation.

Lead DNS Network Engineer responsible for DNS engineering projects, IPAM management, DNS and DHCP troubleshooting, domain stability, incident and change management, automation, and issue ownership. The role requires expertise with Infoblox, BlueCat, Nokia QIP, F5 devices, BIND, Unix/Linux, Python, Ansible, routing, switching, and firewall concepts. The engineer will coordinate with internal teams, external vendors, audit teams, and global customers while escalating crisis situations and providing management updates.

Monitor and support a multi-cloud infrastructure across Azure and AWS, including Windows, Linux, and SQL Server systems. Responsibilities include incident response, alert triage, patching, compliance tracking, network troubleshooting, reliability reporting, runbook improvement, and automation. The role participates in a follow-the-sun on-call rotation and supports VPNs, DNS, subnets, routing, monitoring tools, and infrastructure maintenance.

Designs, implements, optimizes, and troubleshoots enterprise and data center networks for commercial clients. Develops high- and low-level Cisco network designs, leads deployments involving routers, switches, firewalls, load balancers, and related appliances, and performs upgrades and maintenance. Monitors network performance, resolves issues, researches networking technologies, and provides post-sales consulting. The role also requires network automation, configuration management, SD-WAN implementation, and customer collaboration.

Design and execute end-to-end automated test strategies for service portals across IP/MPLS networks. Develop Robot Framework test scripts, validate orchestration and automation, troubleshoot issues, integrate tests into CI/CD, mentor junior QA engineers, and report quality and performance metrics to ensure reliable product releases.

Develop and own an endpoint network proxy that intercepts and analyzes third-party traffic, terminates and re-establishes TLS, applies real-time policies, traces data flows, and processes large event volumes efficiently. The role requires building highly reliable, secure-by-design systems software capable of handling untrusted data and resisting attacks, while collaborating with distributed engineering teams.

Designs and operates large-scale network infrastructure in a 24/7 SaaS environment. Leads Network-as-Code, GitOps, CI/CD, infrastructure automation, Kubernetes and SDN networking, routing, security policy, load balancing, telemetry, and automated validation. Serves as a Tier 4 technical authority for complex network issues, drives resilient multi-region deployments, mentors engineers, and leads cross-functional architecture initiatives.

Lead daily network operations across LAN/WAN/SD‑WAN/wireless/cloud for global sites. Mentor engineers, manage incidents, drive troubleshooting/root cause, collaborate with cross‑functional teams, and lead network modernization, automation, and reporting efforts.

Supports and operates NVIDIA’s large-scale on-premises and cloud network infrastructure in a 24/7 global operations environment. Responsibilities include monitoring alerts, resolving incidents within SLAs, troubleshooting network issues, managing IP infrastructure and datacenter interconnects, coordinating vendors, implementing upgrades and capacity expansions, improving operational workflows, and documenting best practices. The role requires extensive networking protocol knowledge, cloud experience, automation exposure, and strong incident-management and communication skills.

Manage network operations issues from identification through closure, produce accurate daily status and SLA reports, validate and reconcile data, analyze root causes, coordinate technical resolution, and automate repetitive reporting and operational tasks using Excel, dashboards, Python, or scripting. The role requires strong network architecture knowledge, hands-on experience with routers, switches, and firewalls, clear stakeholder communication, documentation, and willingness to work shifts from the Bangalore or Hyderabad office.