Engineer 3

Tata Consultancy Services; Hyderabad; On-site; INR 2,500,000 - 4,000,000; Full time

Job summary

Tata Consultancy Services in Hyderabad is seeking a senior network engineer to design, deploy, and operate Cisco SDA architectures across multiple sites. You will lead fabric domain deployments, control plane nodes, and edge nodes, ensuring scalable, secure network fabric.

The role requires 8+ years in enterprise networking, with 3-5 years focused on SDA/DNA Center, strong underlay/overlay knowledge, and Cisco ISE for policy enforcement.

Qualifications

• Bachelor's degree in CS/IT or equivalent experience.
• 8+ years in enterprise networking with 3-5 years focusing on SDA and DNA Center.
• Strong understanding of Underlay (OSPF/IS-IS/BGP) and Overlay (VXLAN/LISP/EVPN).
• Hands-on Cisco SDA and DNA Center expertise required.
• CCNP Enterprise or higher certification.

Responsibilities

• Design, deploy, and operate Cisco SDA architectures for multi-site networks.
• Lead SDA Fabric migrations from OTT networks to SDA Fabric.
• Integrate Cisco ISE for policy enforcement, 802.1x, and SGTs.
• Resolve Tier 3 incidents including LISP, VXLAN, multicast, and mobility.
• Automate provisioning using Cisco DNA Center APIs and workflows.
• Create HL/LLD and migration playbooks; mentor L1/L2 engineers.

Skills

SDA & Fabric Management

Cisco DNA Center

ISE & Policy

L3 Troubleshooting

Network Automation (Python)

VXLAN/LISP/EVPN

CCNP Enterprise

Underlay/OSPF/IS-IS/BGP

Education

Bachelors degree in Computer Science / IT or equivalent

Tools

Cisco SDA

DNA Center

Catalyst 9000

Catalyst 9800

ISE

Job description

TCS Hiring!!!

Role & responsibilities

• SDA & Fabric Management: Design, deploy, and operate Cisco SDA architectures for wired and wireless networks. Design multi-site deployments including Fabric Domains, Control Plane Nodes, Border Nodes, and Edge Nodes.
• Fabric Operations & Migration: Lead both greenfield and brownfield implementations, including the migration from traditional Over-The-Top (OTT) networks to SDA Fabric.
• Policy & Security Integration: Configure and integrate Cisco Identity Services Engine (ISE) for dynamic policy enforcement, 802.1x, TrustSec, Scalable Group Tags (SGT), and endpoint profiling.
• L3 Escalation & Troubleshooting: Resolve Tier 3/escalated incidents related to LISP registration, VXLAN encapsulation, multicast, and endpoint mobility. Provide Root Cause Analysis (RCA) for critical outages.
• Automation & Orchestration: Leverage Cisco DNA Center (Catalyst Center) APIs and programmability to automate network provisioning, device upgrades (SWIM), and workflows.
• Mentorship & Documentation: Create High-Level Designs (HLD), Low-Level Designs (LLD), and migration playbooks. Provide technical guidance to L1/L2 network engineers.

Qualifications & Requirements

• Education & Experience: Bachelors degree in Computer Science, IT, or equivalent experience. 8+ years of hands-on experience in enterprise networking, with at least 3-5 years explicitly focusing on Cisco SDA and DNA Center.
• Core Technologies: Deep understanding of Underlay (OSPF, IS-IS, BGP) and Overlay networks (VXLAN, LISP, EVPN). Expertise in Cisco Catalyst switches (9000 series) and Catalyst 9800 wireless controllers.
• Security & AAA: Strong expertise in Cisco ISE, including Policy Sets, TACACS+/RADIUS, and SGTs.
• Network Programmability: Basic to advanced coding skills (Python, REST APIs) for network automation and orchestration.
• Certifications: Active CCNP Enterprise (minimum)