Role & responsibilities

- Monitor Network Infrastructure (Routers , Switches , PA Firewalls) , troubleshoot, and handle user incidents actively during assigned hours
- Provide medium to high complexity network support activities including occasional off-shift support in case of major outage reported.
- Work closely with Network Engineering, Network Security and Administration maintenance tasks and participate in process improvement.
- Perform medium to high complexity network changes and implementations.
- Participate in the network technology design process.
- Analyze potential changes and enhancements to network software and hardware to determine impact on existing production environment.
- Execution of approved network changes and remediation activities shall be performed at the designated customer site.
- Network configuration validation, optimization, cleanup, and restructuring activities shall be executed in accordance with approved designs and implementation plans.
- Implementation of ISP failover, firewall, VPN, routing, wireless, NAC, OOB, and monitoringrelated changes shall be performed as per the defined scope.
- Planned changes shall be implemented during approved maintenance windows, including weekends or afterhours periods, as required.
- Failover and resiliency testing activities shall be executed, and test outcomes shall be documented.
- Local coordination for site access, cabling, rackandstack readiness, and other onsite dependencies shall be supported.

Detailed execution records, including configuration changes and rollback procedures, shall be maintained and shared

Preferred candidate profile

- Bachelors degree in Computer engineering or related field with 10+ years of experience, or equivalent combination of education and experience
- 10+ years of experience in operations , building and managing Network devices (Routers , Switches ) and firewalls infrastructure.




- In-depth knowledge of network hardware and software technologies and best practices is required.
- Knowledge of Routing and Switching design and implementation is preferred
- Routing & Switching and/or DC CCNA is required, CCNP preferred
- Positive knowledge of PA firewalls architecture, ACLs, policies, NATs, IPSEC VPNs, Global protect VPNs.
- Experience on SolarWinds IT infrastructure monitoring and provisioning is preferred
- LAN switching including VLAN, VTP, STP etc. is preferred
- Solid understanding of routing protocols ISIS, OSPF, BGP is preferred
- Understanding and practical experience with technologies such as Cisco SDA, ISE, VXLAN etc.
- Good working knowledge of Wireless network includes WLC 9800, 3500 Access points 9120 is preferred
- Solid knowledge of Cisco Catalyst 9000 series, Palo Alto firewalls, Nexus 93k series, APC UPS, OOB network is preferred
- Test and validation experience (Network hardware or software/OS) is preferred
- Knowledge of a network technology discipline (e.g., IP Routing and Switching, Routing Protocols-OSPF, BGP, WAN, IPSEC, PAN Firewall, Packet Analysis, SD Access, DNAC, Cisco ISE, Infrastructure, IT Tools, and other relevant technologies.
- Excellent troubleshooting skills in identifying and resolving complex networking issues
- Strong understanding of how DNS works and experience in deploying and managing the internal and external DNS environments
- Experience in managing different Load Balancer solutions.
- Experience with cloud networking and cloud connectivity.
- Scripting/programing skills will be a PLUS
- Exposure and knowledge in configuring and woking in Palo Alto Firewalls and CISCO ISE is preferred
- Proactively acquire an in-depth understanding of the organization and its processes as well as develop an understanding of incidents and change management principles and organization best practices.
- Good team player and able to take accountability of tasks assigned and follow through to completion.
- Strong communication and customer facing skills (written, verbal, and formal presentation)

📌 Network(Routing+ Switching+ PA Firewalls) (India)
🏢 Tata Consultancy Services
📍 India