Sr. AWS Network Architect

About the role

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 sponsorships now or anytime in the future. Applications will be accepted till 9/11/2026.

Responsibilities

• 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 Route53 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.

Qualifications

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

Pay

The salary range for this role is between $131,000 and $161,000 depending on skills and qualifications of the candidate.