• Design and maintain scalable network architectures for edge, modular, and distributed data center environments. • Define standards for routing, switching, firewalling, segmentation, and redundancy. • Design and operate modern data center network fabrics. • Define overlay / underlay separation, IP addressing strategies, and multi-tenant segmentation models. • Design and support GPU and high-performance compute (HPC) network architectures. • Collaborate with compute and platform teams to align GPU topology and network fabric design. • Own network design documentation including HLDs, LLDs, diagrams, and IP plans. • Implement and support advanced L3 network services. • Lead complex troubleshooting involving control-plane instability and data-plane forwarding anomalies. • Diagnose and resolve network performance issues impacting GPU workloads. • Design and support hybrid connectivity models including ISP, LTE/5G, satellite, and private links. • Optimize network performance for latency-sensitive, bandwidth-constrained, and intermittently connected environments. • Design and enforce network segmentation across IT, OT, management, and customer-facing domains. • Implement and maintain firewall policies, VPNs, and secure remote access solutions. • Develop and maintain automation for network provisioning, validation, and configuration consistency.