TCS IS HIRING FOR Network SME (Firewall, F5, SDWAN and routing/swithcing)

Tata Consultancy Services; Chennai District; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Tata Consultancy Services is seeking a skilled Network SME with 6–10 years of experience to design, deploy and manage Cisco SD-WAN and DNAC ecosystems in a Chennai-based setup. The role emphasizes network automation, policy enforcement and hands-on troubleshooting across campus switches, WLCs, and ISE solutions.

The ideal candidate will craft detailed SD-WAN designs, mentor junior engineers, and ensure seamless operation of the network while aligning with security standards and client

Qualifications

• 6+ years of experience with Cisco SD-WAN, DNAC, WLC and ISE.
• Experience in design, deployment and implementation of Cisco SD-WAN solutions.
• Strong knowledge of network protocols and security (SSH, HTTPS, IPSec, AAA).

Responsibilities

• Design, deploy, and implement Cisco SD-WAN solutions.
• Create low-level and high-level designs of SD-WAN and DNAC networks.
• Troubleshoot complex SD-WAN and DNAC issues.
• Monitor network performance and optimize infrastructure.
• Develop and enforce network policies and SOPs.
• Collaborate with L1/L2 engineers and lead network projects.
• Integrate DNAC with existing network infrastructure.
• Provide best practices and operational feedback for service improvement.

Skills

Cisco SD-WAN

DNAC

Cisco WLC

Cisco ISE

Route/Switch hardware

QoS

PBR

PoE

NTP

DHCP

SSH

HTTPS

AAA

IPSec

Tools

DNAC

Cisco IOS

Viptela SD-WAN

Cisco Campus Switch

Cisco Access Point

Cisco Wireless Controller

Cisco DNAC integration

Job description

EXP-6-10 yrs

Skill-Network SME (Firewall, F5, SDWAN and routing/swithcing)

Responsibility

• 6+ years of experience with Cisco SDWAN, DNAC, Cisco WLC, Cisco ISE and Route/Switch hardware.
• Design, deploy, and implement Cisco SD-WAN solutions.
• Design and implement Cisco DNAC with Cisco Campus Switch. Cisco Access Point, Cisco wireless controller, Cisco ISE solutions for network automation and assurance.
• Create low-level and high-level designs of SD-WAN and DNAC networks.
• Troubleshoot complex network issues related to Viptela SDWAN and DNAC
• Strong knowledge of network control protocols (QoS, PBR, PoE, NTP, DHCP) and security protocols (SSH, HTTPS, AAA, IPSec).
• Certifications in Cisco technologies.
• Provide best Practices and Recommendation including regular operations feedback for the improvement of services
• Design, deploy, and implement Cisco SD-WAN solutions.
• Create low-level and high-level designs of SD-WAN networks.
• Troubleshoot complex network issues related to Viptela SDWAN and DNAC
• Perform installation, configuration, maintenance, and troubleshooting of network hardware and software.
• Monitor network performance and optimize network infrastructure
• Policy Management: Develop and enforce network policies, including traffic management policies.
• Design and implement Cisco DNAC with Cisco Campus Switch. Cisco Access Point, Cisco wireless controller, Cisco ISE solutions for network automation and assurance.
• Integrate DNAC with existing network infrastructure.
• Develop and maintain network policies using DNAC.
• Troubleshoot and resolve issues related to DNAC deployments
• Provide best Practices and Recommendation including regular operations feedback for the improvement of services
• Measure and benchmark the network performance using Client Acquired, and Approved, network performance tools
• Collaboration and Leadership: Work closely with other Platform Network teams, provide guidance to L1 and L2 engineers, and lead network projects
• Inventory, SOP creation, Network Diagram and Audit and compliance