Sr. AWS Network Architect

Cognizant is seeking a Cloud Architect for a full-time remote opportunity. Applicants must be located and authorized to work in the US. Cognizant will not offer visa sponsor ships now or anytime in the future.

• Design multi-VPC architectures with optimized CIDR allocation to avoid overlap across accounts/regions.
• Implement hub-and-spoke topology using AWS Transit Gateway, Cloud WAN with route segmentation and propagation controls.
• Configure hybrid connectivity using Direct Connect (private VIFs, LAGs) and VPN failover patterns.
• Engineer high-availability NAT Gateway and egress routing architectures with AZ-level failover.
• Implement advanced Route
  53 configurations (split-horizon DNS, private hosted zones, conditional forwarding).
• Design and configure inter-VPC connectivity using VPC Peering vs Transit Gateway based on scale and routing needs.
• Implement Private Link (Interface & Gateway Endpoints) for secure connectivity without internet exposure.
• Configure AWS Network Firewall policies, rule groups, and inspection VPC architectures.
• Design multi-account networking using AWS Organizations and shared services VPC patterns.
• Troubleshoot latency issues using VPC Flow Logs, packet path analysis, and Reachability Analyzer.
• Analyze traffic patterns using Flow Logs and Traffic Mirroring for deep packet inspection scenarios.
• Implement cross-region connectivity strategies using TGW peering and inter-region routing controls.
• Enforce network security controls via NACLs, Security Groups, and firewall layers with least privilege design.
• Build detailed Network Architecture Diagrams including route flows, failover paths, and traffic segmentation models.

• Expert level experience with AWS Networking related Services and CDK.

The salary range for this role is between $131,000 and $ 161000 depending on skills and qualifications of the candidate. Applications will be accepted till 9/11/2026.