About the Role Operations & Uptime Maintain and support Routing and Switching, Cisco Catalyst/Nexus, Juniper EX, Cisco Routers, Juniper MX, and firewalls (Fortinet, Palo Alto PAN‑OS, Cisco ASA/FTD, Juniper SRX, Check Point). Ensure 99.9% availability through proactive monitoring, capacity planning, and preventive maintenance. Responsibilities Operations & Uptime Maintain and support Cisco Catalyst/Nexus, Juniper EX, Cisco Routers, Juniper MX, and firewalls (Fortinet, Palo Alto PAN‑OS, Cisco ASA/FTD, Juniper SRX, Check Point). Ensure 99.9% availability through proactive monitoring, capacity planning, and preventive maintenance. Incident Response & Troubleshooting Triage, isolate, and resolve L2/L3 connectivity, security policy, NAT, VPN, HA failover, and performance issues. Perform root cause analysis (RCA) and implement corrective/preventive actions. Configuration Management Maintain standardized, secure configurations (hardening baselines, AAA/TACACS/RADIUS, Syslog, NTP).



Version control for configs; follow change management (ITIL) with rollback plans. Monitoring & Observability Implement SNMP/NETCONF/REST APIs, Syslog, NetFlow/sFlow/IPFIX, and platform-specific telemetry. Define alert thresholds for CPU, memory, interfaces, PSU/temperature, VPN/HA state, and security events. Security & Compliance Enforce firewall policies, segmentation (VLANs/VXLAN), micro/macro segmentation standards. Patch and upgrade devices, validate against compliance benchmarks (e.g., CIS). Automation & Scripting Use Python/Ansible (or vendor tools) for backups, audits, bulk changes, and compliance checks. Documentation & Knowledge Sharing Maintain network diagrams, IPAM, runbooks, RCA reports, and standards. Provide training and collaborate across NOC/Infra/Security/Application teams. Qualifications Any Degree Experience 3 Years to 6 Years

📌 Senior Network Engineer (Uttar Pradesh)
🏢 Tata Consultancy Services
📍 Uttar Pradesh