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 (Industrial Area)
🏢 Tata Consultancy Services
📍 Industrial Area