Sumit Bargale Email & Phone Number

Pune, Maharashtra, India

Project: Data Center Migration ProgramResponsibilities:Collaborated with Architecture and third-party teams to implement and design new DCs.Assisted the bank in relocating their legacy Data centers to a new location and separating their HQ from DC.Simultaneously developed the environment in the new DC while migrating infrastructure from the old to the new DC.Managed multiple stakeholders throughout the migration planning and implementation process.Led successful migrations, including NX-OS to ACI Migration, Cisco ACS to Cisco ISE migration, Aruba CPPM and wireless to Cisco wireless and ISE migration, and Citrix Load balancer migration.

Navi Mumbai, Maharashtra, India

ResponsibilitiesDesigned and executed comprehensive end-to-end IP Next-Gen IP network solutions.Created architectures and designs for SDN solutions within telecommunications datacenters, which hosted services such as LTE EPC, IMS, DNS, and CGNAT.Strategically planned IP addressing schemes and distribution of infrastructure, user equipment, and service prefixes to align with business needs and accommodate future expansion.Managed the seamless migration from L2 VPC to L3 Nexus/TOR designs.Led the transition to automated and next-generation data center technologies, including the design and implementation of Cisco ACI services for LTE services within the telecommunications LAN.Demonstrated proficiency in handling VPC configurations, image upgrades, and VPC failure scenarios.Acquired a deep understanding of VxLAN, COOP, VTEP, L3OUT, ACI terminology, and underlay networking concepts.Orchestrated the successful migration of services from an NXOS setup to ACI.Deployed service graphs with Policy-Based Routing (PBR) to efficiently distribute load for CGNAT traffic.Utilized REST API for ACI fabric deployment.Scope of ProjectsCrafted Method of Procedure (MOP) documents for image upgrades, migrations, and delta configurations for both ACI and NX-OS environments.Assisted in delivering IP addresses, VLAN assignments, and UE pools to service owners based on specific project requirements.Created and fine-tuned configurations for ACI and NX-OS setups.Collaborated on a VRF migration project – transitioning from a global setup to appropriate Virtual Routing and Forwarding (VRF) contexts.Contributed to a Bandwidth Augmentation project, enhancing capacity from BL to ASR platforms.Successfully conducted network migration to ACI architecture.Designed and executed the implementation of Service Graphs paired with Policy-Based Routing for CGNAT in LTE and FTTX environments.

Hyderabad, Telangana, India

Mumbai, Maharashtra, India