- Edge Orchestration : Participated in vendor evaluation, architecture definition, YANG Data modelling/Python business logic development and final implementation of TATA network orchestration platform for SD-WAN services. Responsible for self-service portal plug-in to orchestration platform Restful API and defining API queries and workflow : - Closed-Loop Automation: Designed and developed orchestrated assurance platform for network edge automation end-to-end deliveries through Ansible Tower / AWX / Python, including OSS provisioning, BSS notifications, Local Loop SLA compliance validation. Contributed to Ansible open-source Cisco IOS module.- VSCAN : Designed and developed cloud native vulnerability scanner for network devices. Automated vulnerability assessment for 10k managed network devices leveraging OVAL (Open Vulnerability Assessment Language) standard. Software stack consists of Golang, Typescript (Angular 8), Redis, PostgreSQL, Docker, Kubernetes, gRPC, AWS EKS.- Peppamon : Golang developed Prometheus metrics exporters for Cisco IOS-XE Telemetry over gRPC and Versa SD-WAN Analytics. Provides unique Grafana dashboards to visualize real-time hundreds of performance metrics across multi-vendor SD-WAN solutions. Stack deployed and scaled through AWS EKS, RDS services.

. Responsible for low level design, solution engineering and delivery as well as Level 4 design support of various large scale and complex projects involving Network, Security, Unified Communications technologies: BGP, MPLS, IGP (OSPF, EIGRP, RIP ) DMVPN, Ethernet PBB (Provider Backbone Bridge), Telepresence, VPDN, SD-WAN, NFV, Cisco/Microsoft Unified Communications. . TATA VNO ( Virtual Network Operator ) : Product realisation, MPLS architecture design and delivery of TATA Communications DSL To MPLS infrastructure including LNS’s (Cisco 7206VXR/ASR1000), VPDN and Radius services (Cisco ACS) with partner carriers over Europe. Development of Connect IPSec product ( DMVPN ) support model and implementation on various blue chip clients . TATA GMX/Jamvee ( Global Meeting Exchange ) : Design and implementation of MPLS and network related services to the Telepresence meeting exchanges. Low Level design and migration documentation of TATA Telepresence services and GMX PoP ( CUCM, CTMS, ASR 1006 SBC, Catalyst 4948, ASA 5520, MSE 8000, Tandberg VCS, Cisco ASA 5520,…) and Jamvee (Acano Edge/Core servers, Lync Interop) in order to insource management of the infrastructure from a 3rd party vendor into TATA Communications VNOC. . Unified Communications and Collaboration Technology Lead: bespoke solutions design and delivery involving B2B Exchange integration ( i.e SIP/H.323 trunking ) and hosted dedicated IP Telephony and Video Conferencing solutions (Cisco, Acano, Polycom, Microsoft).

- High-level support and expertise acquisition on Cisco Unified Communications Solutions: Call Manager (4.x , 5.x , 6.x , 7.x ) , Unity, CME/CUE , IOS Multiservice , Signalling protocols (MGCP, H.323 , H.320 , SCCP , SIP , ISDN , QSIG) , CUPS, Mobility. - Design consulting and on-site support for high-touch Belgium and Netherlands based customers. - Trainings provided to Cisco TAC extended teams on UC Messaging solutions.

Planning, design and deployments of Cisco IP / MPLS & VoIP networking solutions (Catalyst 3750/6500 LAN switches, Wireless Controllers WLC4404, 3800/7600 ISR Routers, Call Manager, Unity, Voice Gateways) for blue chip companies.