Ops DC Network Consultant

Cognizant Technology Solutions Corporation; Hyderabad, Chennai District, Bengaluru; On-site; INR 4,000,000 - 7,000,000; Full time

Job summary

Cognizant in Hyderabad is seeking an experienced Network Architect with 10+ years to lead enterprise network architecture, design, and operations across DC, WAN, SD-WAN, and cloud networking. You will develop HLD/LLD, set standards, and guide engineering teams to deliver high-availability networks with BGP/OSPF, VPNs, and security.

Preferred CCNP/CCIE certifications and AWS/Azure networking expertise. The role requires strong stakeholder communication and the ability to drive migration plans and

Qualifications

• 10+ years of experience in enterprise network architecture.
• Experience in data center networking design, routing, switching, VLANs, and high availability.
• Hands-on SD-WAN deployment, migration, and troubleshooting.
• Expertise in Wi‑Fi/Wireless architecture and optimization.
• Cloud networking experience with AWS and/or Azure; hybrid connectivity.
• Strong knowledge of TCP/IP, BGP, OSPF, VPN, DNS, DHCP, and security.
• Experience handling network incidents, problem management and performance optimization.
• Ability to develop HLD/LLD and network diagrams, standards, and migration plans.
• Strong troubleshooting across DC, WAN, SD‑WAN, Wi‑Fi, and cloud networks.
• Excellent stakeholder communication and technical leadership.

Responsibilities

• Architect, design, implement, and operate enterprise networks.
• Lead Data Center Networking with routing, switching, VLANs, redundancy, and HA.
• Hands-on SD-WAN deployment, migration, and troubleshooting.
• Design and optimize Wi‑Fi/Wireless architectures and performance.
• Plan cloud networking integration with AWS/Azure and on-prem networks.
• Oversee LAN/WAN, TCP/IP, BGP, OSPF, VPN, DNS, DHCP, and security.
• Handle network incidents, problem management, and performance improvements.
• Develop HLD/LLD, network diagrams, and implementation/migration plans.
• Provide technical leadership to engineering and operations teams.
• Maintain strong stakeholder communication throughout projects.

Skills

Network architecture

Data Center Networking

SD-WAN

Wi-Fi / Wireless

Cloud Networking

TCP/IP & Routing

Network operations

HLD / LLD

Technical leadership

Stakeholder communication

Education

CCNP/CCIE

SD-WAN Certification

AWS/Azure Networking Certification

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.