Software Development Engineer

Tata Consultancy Services; Hyderabad, Chennai District, Bengaluru; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

Tata Consultancy Services in Hyderabad seeks a Level 3 SDA Engineer to lead design, implementation, and escalation for Cisco SDA and related networking infrastructures. You will bridge enterprise routing, switching, wireless, and security disciplines to deliver end-to-end SDA solutions.

The role requires 8+ years in enterprise networking with 3–5 years focused on Cisco SDA and DNA Center, plus CCNP Enterprise certification. Strong automation and mentorship skills are essential.

Qualifications

• Bachelor's degree in Computer Science, IT, or equivalent experience; 8+ years of hands-on enterprise networking experience.
• 3-5 years explicitly focusing on Cisco SDA and DNA Center.
• Strong knowledge of underlay (OSPF, IS-IS, BGP) and overlay networks (VXLAN, LISP, EVPN).

Responsibilities

• Design, deploy, and operate Cisco SDA architectures for wired and wireless networks across multi-site deployments.
• Lead greenfield and brownfield SDA Fabric migrations from traditional networks.
• Configure Cisco ISE for policy enforcement and security integrations.
• Resolve Tier 3 escalations related to SDA, LISP, VXLAN, and mobility with RCAs.
• Leverage Cisco DNA Center APIs for network provisioning and automation.
• Create High-Level and Low-Level designs and mentor L1/L2 engineers.

Job description

TCS Hiring!!!

Role & responsibilities

As a Level 3 SDA Engineer, you will lead the design, implementation, and escalation support for complex Software-Defined Access and Intent-Based Networking infrastructures. You will act as a subject matter expert, bridging enterprise routing/switching, wireless, and network security.

Key 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 and mentorship 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)