 Network architect for OT network infrastructure projects, designing, implementing, and securing Operational Technology (OT) networks. Developed specialized High-Level Designs (HLD) and Low-Level Designs (LLD) for OT networks, ensuring alignment with industry standards and regulatory requirements. Implemented robust security measures and protocols, conducting risk assessments and overseeing the implementation of security solutions to safeguard network integrity. Developed comprehensive network architecture designs aligned with business goals, ensuring scalability, reliability, and security. Assessed new technologies and integrated them into existing networks to enhance performance and efficiency, keeping abreast of industry best practices. Monitored network performance, conducted capacity planning exercises, and optimized network resources to ensure high availability and seamless operations. Collaborated with cross-functional teams and stakeholders to gather requirements, communicate network strategies, and ensure alignment with business objectives. Maintained detailed documentation of network configurations, changes, and updates. Generated reports outlining network performance metrics and improvement recommendations.

Handled IT infrastructure and application services delivery for a client across their Datacenter and Enterprise network.Performing software code upgrades on devices like F5, Netscaler, SD-WAN, Cisco router and switches.Planned expansion and operations of customer’s IP fabric network.Responsible for managing customer’s SDN and vIPtela SDWAN.Managing Azure express routes and Vnets. Ensured successful applications delivery for different environments for the customer on ADC. Like Big IP F5, Radware Alteon, Citrix Netscaler.Experience of creating, associating and managing digital certificates for applications, also pushing the certificates to LB.Securing Enterprise and DC infrastructure with security appliances like Palo Alto firewalls.Managing customer’s DNS, DHCP and IPAM (DDI).Worked as shift lead and managed customers ticket queue on ITSM platform –Incidents, Changes, Problems for effective ticket handling and ensuring service delivery in agreed SLAAttending Tech bridges corresponding to P1 / P2 incidents/ technical discussion / break fix.Provide technical support / guidance to L1 /L2/L3 engineers.

Provide Planning, Designing, Implementation, Operation and Optimization services to Customers around Cisco’s Data Center products and solutions. Participate in the preparation of proposals and Statements of Work. Establish trusted advisor relationship with customer management and teams on IT Infrastructure areas and future technology trends.Designed and configured Network fabric with nexus 9K/7K/2K in Top of Rack Architecture for a scalable production network that supports rack & blade server architecture in a multi-tenancy environmentParticipates in or leads sophisticated Data Center and Cloud infrastructure (network, storage and compute) design/implementation and migration, performance engineering or problem resolution projects. Solves sophisticated, multi-functional issues that cross many technologies in network, server, storage, O/S, virtualization, consolidation, middleware, security, applications, operations, content switching, caching and/or content delivery networks, and security. Applies good analytic process to help bring any issue to resolution.Strong Nexus 2K/7K/9K platforms product architecture VPC, fabric path, STP, Data Center Layer 2 overlays for example VXLAN, EVPN, MPBGP, Layer 2 security features for example port security, MAC sec, ACL, private VLANsExpert level knowledge in the areas of: IP internetworking, LAN Switching Protocols (MLS, CEF, Trunking (802.1Q), STP, HSRP, LACP/PAGP), IP Routing protocols(IGRP, OSPF, EIGRP, BGP).Provides technical support for customers during software and hardware upgrades and Proof of Concepts. Delivers migration plans, with a detailed understanding on networked applications and related dependencies. Ensure compliance to delivery methodology operational structure, roles & responsibilities. Conduct weekly meetings and ad-hoc interactions with customer handling specific asks from the customer and managing customer expectations from Cloud Consumption engagements.

Implemented Cisco Fabric Extender architecture to provide a highly scalable, unified server-access platform across a range of Gigabit Ethernet, 10 Gigabit Ethernet, unified fabric, copper and fiber connectivity, rack and blade server, and directly connected virtual machines.● Experienced in configuring/troubleshooting Cisco Routers ASR1002-x /ISR4351-K9.● Manage all aspects of network installation, configuration and troubleshooting networking issues and security breaches.● Designed and Implemented catalyst 6500/4500/3750-X in a complex DC Core/Aggregation/Access layer on a 10G backbone in production and disaster recovery.● Expertise on Radware and Citrix application delivery controllers ( Load Balancers )● Design and deploy a network with a detailed implementation and test plan.● Works closely with customer in determining the business needs for a project and build detail design which includes data flow diagram, logical and physical diagram● Designed and implemented an overlay network management system to manage all our production devices with Syslog, RADIUS, WhatsUp Gold, PRTG and Nagios.● Installed and configured SECUI firewall in different zones like DMZ, Server, Internet zones to enhance security.● Analyze and assess the current and future Data Center infrastructure needs.● Responsible for the delivery of assigned tasks within the cycle of a project● Performs systems configurations, troubleshoots systems errors/problems, monitoring and/or testing systems performance and contributes to the technical solutions● Interfaced with branch/partners to maintain their network connectivity for business critical applications

Participates in or leads sophisticated Data Center and Cloud infrastructure (network, storage and compute) design/implementation and migration, performance engineering or problem resolution projects. Solves sophisticated, multi-functional issues that cross many technologies in network, server, storage, O/S, virtualization, consolidation, middleware, security, applications, operations, content switching, caching and/or content delivery networks, and security. Applies good analytic process to help bring any issue to resolution.● Strong Nexus 2K/7K/9K platforms product architecture VPC, fabric path, STP, Data Center Layer 2 overlays for example VXLAN, EVPN, MPBGP, Layer 2 security features for example port security, MAC sec, ACL, private VLANs● Expert level knowledge in the areas of: IP internetworking, LAN Switching Protocols (MLS, CEF, Trunking (802.1Q), STP, HSRP, LACP/PAGP), IP Routing protocols(IGRP, OSPF, EIGRP, BGP). Intermediate level knowledge & working experience on Cisco’s Application Centric Infrastructure.● Provides technical support for customers during software and hardware upgrades and Proof of Concepts. Delivers migration plans, with a detailed understanding on networked applications and related dependencies. Ensure compliance to delivery methodology operational structure, roles & responsibilities. Participates in weekly status meetings and other ad-hoc interactions with customer handling specific asks from the customer and managing customer expectations from Cloud Consumption engagements.● Coordinate with other teams to identify, design and implement new systems and processes to support business needs

• Accountable for providing effective and satisfactory support to corporate clients with IPVPN, VoIP Services and Internet services plus managing the world wide customer network expanding Europe, Africa, Asia and America region.• Managing NBIG for Major customers.• Troubleshooting and debugging of Networks (LAN & WAN) comprising IPVPN, ATM, Metro Ethernet, FR and ATM Leased Lines, ISDN, (Backup and primary circuits) terminating on NORTEL PASSPORT and DPN.• Managing the FrUni and FrAtm connections connecting to EQUANT backbone comprises of Nortel Passports and High end Cisco Routers.• Managing the backbone of client's network ensuring 100 % uptime.• Ensuring that SLA is met in case of outage of circuits.• Ensuring the Network and IP layer to be up for customer connectivity to use it concerned applications.• Completely responsible for troubleshooting network issues for the high value customer on Layer1/2/3 level.• Completely responsible for managing the SLA with the customer and tracking the number of tickets opened on per month basis.• Maintenance and Upkeep of SAT links of specific customers.• Coordination with various teams globally and helping solving network issues in coordination of different teams of customer, local ISP and Orange as well.

• Network planning, provisioning and configuration for all circuits, bandwidth ranging from 2 Mbps to 10Gbps.• Capacity monitoring, optimization, change management and replenishment of new capacity. • Planning and configuration of VNE, VCG for EPL/EVPL & EPLAN services.• End-to-End testing of the customer circuits from 2 Mbps to 10 Gbps.• Good exposure to TJ5100 EMS which is a comprehensive sub-network management system for managing multi-domain network consisting of Tejas switches like TJ1600, TJ100_ME • Planning & configuration of SDH trails upon Huawei U2000 NMS.• Provide L1 & L2 support to circle team.• Implementing STP in ring topology to prevent broadcast storm in loops. • Generate trouble tickets for faults using BMC Remedy tool PT4, assigning to respective profile & escalation according to SLA.• Successful execution of configuration requests from circle team (e.g. Protection testing, interference testing, frequency changing, traffic shifting, hop up gradation, MGW Shifting, software up gradation etc).• Co-ordinate with BSS FM, NSS FM & OSS FM Team for smooth operation. • Follow through of 3rd party lease line vendor (Raising docket, Co-ordinate & RFO).• Co-ordinate with Nokia/ Huawei/ Tejas/ Ericsson care team to resolve care case at earliest for RCA for emergency cases.• Publish monthly, weekly & daily reports (Alarm logs, inventory report, sync report, optical report and RSL performance report) & escalation to all concern person for corrective action also take continuously follow-up with circle team.

• Installation & Commissioning of Ericsson BTS (2G & 3G).• Handling of all transmission activities like microwave changeover and hop tuning, hop up gradation, software up gradation, frequency & power deviation, radio fault analysis & rectification.• Rerouting of E1 to minimize site outage.• Commissioning of SDH equipments like DXX, AXX, High Cap, and Ceragon of STM-1 capacity and to create E1 trails to PDH ports for new sites.• Good knowledge of network technologies SDH/SONET, MPLS, EoSDH.• Also a good exposure to ERICSSON TRAFFIC NODE.• Expertise in reporting PDH hops on NMS via SDH chains.• Annual preventive maintenance of sites.• Quality assurance checkup of sites before taking handover.