Senior Network Engineer – SD-WAN

Tata Communications Transformation Services (TCTS); Bengaluru; On-site; INR 1,000,000 - 1,500,000; Full time

Job summary

A leading telecommunications service provider in Bengaluru is seeking a Senior Network Engineer responsible for the delivery and optimization of SD-WAN and core networking solutions. This role requires advanced hands-on expertise in SD-WAN technologies, strong routing and switching skills, and the ability to manage complex network environments. The ideal candidate will have 6–10 years of experience and strong analytical problem-solving capabilities to ensure operational excellence.

Qualifications

• 6–10 years of experience in enterprise or service provider networking roles.
• Proven hands-on expertise in SD-WAN and Routing & Switching.
• Strong troubleshooting, analytical, and problem-solving skills.
• Excellent communication and stakeholder interaction skills.

Responsibilities

• Lead design, implementation, and support of Cisco or Versa SD-WAN solutions.
• Provide advanced troubleshooting across SD-WAN overlay and underlay networks.
• Design and support enterprise Routing & Switching environments.
• Own critical incidents and drive network optimization.

Skills

SD-WAN Technologies: Cisco SD-WAN (Viptela) or Versa SD-WAN

Routing & Switching: BGP, OSPF, EIGRP, VLANs, STP, HSRP/VRRP

Cisco routing and switching platforms

Network security fundamentals (Firewalls, VPNs, ACLs)

Traffic engineering and performance optimization

Job description

The Senior Network Engineer – SD-WAN) is responsible for end-to-end delivery, optimization, and operational excellence of enterprise SD-WAN and core networking solutions. The role requires advanced hands-on expertise in SD-WAN technologies, strong routing and switching skills, and ownership of complex network environments.

Key Responsibilities

• Lead design, implementation, and support of Cisco or Versa SD-WAN solutions
• Provide advanced troubleshooting across SD-WAN overlay and underlay networks
• Design and support enterprise Routing & Switching environments
• Own critical incidents, root cause analysis, and preventive measures
• Drive network optimization, performance, and stability initiatives
• Support large-scale changes, migrations, and service rollouts
• Collaborate with customers, service providers, and cross-functional teams
• Mentor junior engineers and support technical upskilling

Mandatory Skills & Technology Requirements

• SD-WAN Technologies: Cisco SD-WAN (Viptela) or Versa SD-WAN (mandatory)
• Routing & Switching: BGP, OSPF, EIGRP, VLANs, STP, HSRP/VRRP (expert level – mandatory)
• Cisco routing and switching platforms (mandatory)
• Enterprise WAN architecture and troubleshooting

Additional Skills & Knowledge

• Network security fundamentals (Firewalls, VPNs, ACLs)
• Traffic engineering and performance optimization
• WAN service provider coordination

Required Skills & Experience

• 6–10 years of experience in enterprise or service provider networking roles
• Proven hands-on expertise in SD-WAN and Routing & Switching
• Strong troubleshooting, analytical, and problem-solving skills
• Excellent communication and stakeholder interaction skills
• Ownership mindset with high delivery accountability