TCS Is Hiring For Network Administrator Switching Routing

Location - Chennai

Exp - 8-10 years

Skills - Network Administrator Switching Routing, Palo Alto Firewall

Responsibilities

• Configure, manage, and troubleshoot Palo Alto Next‑Generation Firewalls.
• Implement and maintain security policies, NAT, zones, security profiles, and application‑based rules.
• Support firewall HA, device upgrades, and license management.
• Troubleshoot traffic flow, policy enforcement, and performance issues.
• Work closely with security teams to ensure compliance and risk mitigation.
• Configure and support F5 BIG‑IP (LTM/GTM).
• Manage Virtual Servers, Pools, iRules, Profiles, and Health Monitors.
• Troubleshoot application availability and traffic distribution issues.
• Support SSL offloading, persistence, and failover configurations.
• Perform upgrades, patches, and optimization activities.
• Design, implement, and support Data Center network infrastructure (Core, Aggregation, Access).
• Configure and manage L2/L3 technologies including VLANs, STP, LACP, OSPF, BGP, and VRRP/HSRP.
• Troubleshoot complex network latency, packet drops, routing loops, and convergence issues.
• Support HA, redundancy, and resilient network designs.
• Support DC migrations, expansions, and network refresh activities.
• Strong expertise in TCP/IP, VLANs, STP, OSPF, BGP, and redundancy protocols.
• Hands‑on experience with enterprise routing and switching platforms (Cisco / Arista / Aruba / Juniper).
• Act as L2 / L3 escalation point for critical P1/P2 Network incidents.
• Perform Root Cause Analysis (RCA) and implement permanent corrective actions.
• Coordinate with vendors/TAC (Palo Alto, F5, Networking OEMs) for complex issues.
• Participate in change management, CAB reviews, and maintenance windows.
• Ensure adherence to ITIL processes for Incident, Problem, and Change Management.
• Experience working in ITIL‑based environments (Incident, Problem, Change).
• Ability to work under pressure in business‑critical environments.
• Experience in maintenance activities, upgrades, and change implementation.
• Strong troubleshooting and analytical mindset.
• Clear communication with technical and non‑technical stakeholders.
• Ownership and accountability for critical infrastructure.
• Mentoring and collaboration skills.