Professional Services Network Consultant

Cognizant Technology Solutions Corporation; Hyderabad, Chennai District, Bengaluru; On-site; INR 2,500,000 - 4,200,000; Full time

Job summary

Cognizant Hyderabad invites an experienced Network Architect to lead enterprise network strategy and design. The role requires hands-on expertise across data center networking, SD-WAN, Wi-Fi, and cloud connectivity, with a focus on security and high availability.

You will drive architecture standards, oversee migrations, and mentor operations teams. Responsibilities emphasize network incident management, planning, and stakeholder communication, ensuring seamless integration across DC/WAN,

Qualifications

• Experience in enterprise network architecture, design, implementation, and operations.
• Strong expertise in Data Center Networking (routing, switching, VLANs, HA).
• Hands-on SD-WAN architecture, deployment, migration, troubleshooting.
• Wi-Fi/Wireless architecture, optimization, troubleshooting.
• Cloud Networking knowledge (AWS/Azure), including hybrid connectivity.
• LAN/WAN, TCP/IP, BGP, OSPF, VPN, DNS, DHCP, and security concepts.
• Experience handling network operations, incidents, and performance optimization.
• Ability to develop HLD/LLD, diagrams, standards, and migration plans.
• Strong troubleshooting across DC, WAN, SD-WAN, Wi-Fi, and cloud networks.
• Excellent stakeholder communication and technical leadership.

Responsibilities

• Lead enterprise network architecture initiatives across DC/WAN/SD-WAN.
• Design and implement high-availability, secure network solutions.
• Oversee network operations, incidents, and performance optimization.
• Develop and maintain HLD/LLD and implementation plans.
• Provide technical leadership to engineering and operations teams.

Skills

Enterprise network architecture

Data Center Networking

SD-WAN

Wi-Fi / Wireless

Cloud Networking (AWS/Azure)

TCP/IP Routing protocols

BGP / OSPF

Network security concepts

Stakeholder communication

Leadership / mentoring

Job description

Role & responsibilities

Experience: 10+ Years
Role: Network Architect

Key Responsibilities & Skills:

• Experience in enterprise network architecture, design, implementation, and operations.
• Strong expertise in Data Center Networking, including routing, switching, VLANs, redundancy, and high-availability architectures.
• Hands‑on expertise in SD‑WAN architecture, deployment, migration, and troubleshooting.
• Strong knowledge of enterprise Wi‑Fi/Wireless architecture, implementation, optimization, and troubleshooting.
• Good expertise in Cloud Networking, preferably AWS and/or Azure, including hybrid connectivity and network integration.
• Strong understanding of LAN/WAN, TCP/IP, BGP, OSPF, VPN, DNS, DHCP, and network security concepts.
• Experience handling network operations, incidents, problem management and performance optimization.
• Ability to develop HLD/LLD, network diagrams, technical standards, and implementation/migration plans.
• Strong troubleshooting skills across complex DC, WAN, SD‑WAN, Wi‑Fi, and cloud network environments.
• Excellent stakeholder communication and ability to provide technical leadership to engineering and operations teams.

Preferred: Relevant certifications such as CCNP/CCIE, SD-WAN, AWS, or Azure Networking.