Rama Krishna

• Drive network design and architecture for enterprise network and network security domains for enterprise customers
• Support global network transformation RFP/RFI opportunities
• Present best solution to customer leaders by evaluating multiple solution options and define strategy for the best option
• Lead enterprise infrastructure assessments, identify gaps/risks, and build a roadmap to mitigate gaps/risks
• Present final assessment reports to customer executives
• Develop industry specific network roadmaps/blueprints for global customers
• Develop network design documents, creating HLD/LLD design documents, DC network migration, cloud networking, and Merger & Acquisition (M&A) related support
• Contribute for internal strategy for network service offerings development & partner engagement models
• Managing relationships with vendors/OEMs, global ISPs & partners
• Co-Innovation Network (COIN) partners enablement/onboarding for customers
• Lead a team of specialist network architects in WAN, LAN, wireless and network security
• Train and mentor team members, bridge their competency gaps, define a strategy for team development
• Provide technical expertise and technical leadership for all major network projects
• Demonstrated strong organizational and time management skills while managing multiple projects.
• Demonstrated leadership skills in managing projects from concept to completion.
• Developed strong communication and organizational skills through working on group projects.
• KEY CONTRIBUTIONS TO OFFERINGS, SOLUTION ACCELERATORS AND FRAMEWORKS
  Technology Debt And Future Readiness Assessment Framework
  Hyper Connected Network Service Offerings
  Secure Borderless Workspace Assessment Framework
  Developing SDN Offerings on VMware NSX and Cisco ACI technologies
  SDWAN Offering development with multiple partners
  Aruba experience centre lab setup and offering development
  Merger and Acquisition (M&A) Service offering development and best practices
  Approving standard SOPs, design & implementation #
• TECHNOLOGY EXPERIENCE ON THIS ROLE
  Software Defined Networks (SDN) on Cisco ACI and VMware NSX
  Software Defined WAN (SDWAN) designing on Cisco SDWAN (Viptela), VMware SDWAN (VeloCloud), Versa SDWAN, Cisco Meraki, etc.
  Multi-Cloud Network Architecture (AWS, AZURE, GCP), Cloud VPN gateways, Private cloud connect (Direct Connect, Express Route)
  Cisco/Aruba Wireless Network
  Network Security Experience
  SASE (Secure Access Service Edge)
  Next Gen Firewalls, Cloud Proxies and threat protections
  DDOS protection solution
  Network Admission Control (NAC) Solution with Cisco ISE and Aruba ClearPass
  Zero Trust Network Access (ZTNA)documentations to create
• KEY PROJECTS DELIVERED ON THIS ROLE
  “OT data centre design and carve out from IT” for a TTH customer in the UK
  “Azure Cloud Network Foundation” build for an Energy customer in the UK
  Cisco ACI Solution through RFP, Design, Implement, Migrate and handover
  Led SDWAN RFP solution build, WAN transport re-design, and contributed to win
  Led 20+ RFP solution and contributed to more than 150 million downstream revenues
  35+ strategic network assessments for global customersrepository
  • Internal strategies to adopt next gen technologies and offerings

• Worked as Solution Architect with Technology & Innovations unit with TCS, India. Supported RFP, RFI, RFS for global customers and built solutions for their requirements. Got opportunity to build solutions for various customers across different business verticals. Supported challenging solutions for big and complex network customers.
• Led 20+ RFP solution and contributed to more than 150 million downstream revenues
• Solutions built for enterprise customers on latest technologies including SDN, SDWAN, SASE, ZTNA, Cloud Managed LAN/Wireless solutions, Cloud Networking, IT/OT segmentation, and Network automation using Python & Ansible etc.
• Achievements / Contributions to Win following deals:
• Led a large network deal for an Energy customer, Head office in Paris, France
• Network transformation solution for a Norwegian chemical company
• Swedish Insurance customer - Network resiliency design and transformation, DC migration to private cloud
• Swedish media customer - carve out of media/news/magazine business units, DC migration to SDN private cloud
• Worked on Canadian retail customer network proactive proposal
• Worked on US Imaging solutions company network proposal

• Built 2 Data Centres (PROD & Non-PROD) in US for a life science customer#1.

a. Prepared High level design (HLD), low level design (LLD) and got it approved from customer.

b. Built greenfield DC Network on Nexus Architecture using Nexus 7010 switches, Nexus 5596UP/5548UP, Nexus 2k FEX and Cisco ASA 5580-X SSP 20, Cisco ASA 5545-X Firewalls.

c. Migrated all network layers/services from old data centres to new data centres

d. Protocols – BGP, EIGRP, HSRP, VRF, CDP, QoS, MPLS, DHCP, DNS, AAA/TACACS, IPAM, SSL, VPC, IPsec VPN etc.

• Built another Data Centre using Nexus architecture for another US based leading life science customer#2. I led this data centre design and build. Key highlights are:

a. Data centre network rack layout finalisation, data centre network “Bill of Material” (BoM) finalisation, data centre High-Level Design (HLD), Low-Level Design (LLD) finalization, and signoff from customer

b. DC Network was built on Nexus 7710 switches, Cisco ASA 5585-X SSP 60, Nexus 5596UP, Nexus 2k FEX, Cisco ASA 5545-X, and Cisco Sourcefire 8250 IPS. Configured BGP/EIGRP routing protocols, Nexus VDC, VPC, STP, HSRP etc.

c. Prepared IP Schema and device naming standards

d. Handed over to customer after successful data centre build and testing

e. Led a team of 5 subject matter experts [SME] who were helping the implementation

• Managed project scope, schedule, status and documentation.
• Communicated with internal stakeholders and clients to update project status and implementation status at technical or functional level.

• Secure Data Center built with Cisco 6509, 4948, CSS 11506, ASA 5550, and ASA 5580 devices, IBM Proventia GX5208/5108 deployed as IDS/IPS
• Planned for deployment of each network devices, IP address schema, VLAN naming convention etc.
• Implemented Cisco ASA firewalls, IPS/IDS in DC network and configured security rules and policies
• Oversaw network architecture and security, defining policies and procedures for successful operations.
• Conducted ongoing threat monitoring and targeted audits on systems
• Maintained system compliance with legal requirements and security standards
• Adhering to Change Management for complete DC network
• Log analysis on IBM Site protector for IDS/IPS detected security threads
• Quarterly Security Audit of DC Network

• Network Management of 27 Major locations. At major locations there were Cisco 7206 router, 5509 L3 switch, 520 PIX Firewall, Cisco 8340 IGX & Cisco 2924 switches used. At 30+ minor location, Cisco 3640 router & 1924 switches were placed.
  Key Responsibilities:
   Handling vital Networks from Central location at Delhi.
   Troubleshooting all routing/switching issues, and issue related to voice over Frame-relay
   Troubleshooting for hardware issues & raising RMA request for all faulty Cisco devices
   Configured Multicasting network for video streaming
   Implemented QoS for Video Conferencing better result between four major locations.
   Maintaining all Cisco devices Configuration/IOS backup
   Technical guidance for network issues to team members at other locations
   Configuration of Access control List to secure their network VLANs.
• Tracked network performance to identify weak points and implement improvements.
• Encouraged adherence to organisational standards for consistency.
• Led a team of 15+ technical engineers for any network configuration, troubleshooting and implementation issues for remote locations

• Network Management of 24 DCs & 154 remote locations. At DC locations there were Cisco 7513 router and Cisco 3750 switches. At minor locations, Cisco 3745 routers were placed.
  Key Responsibilities:
  • Technical support for Cisco 7513 Core Routers, Cisco 3845 Routers and Cisco 2970/3750 Switches hardware issues.
  • L2/L3 Support for OSPF Routing issues and HSRP issues in LAN Network.
  • Technical Lead for a team of 10+ Engg (L1/L2) for network issues at remote locations.
  • Adhering to Change Management for complete army network.
  • Providing technical suggestions to the customers for any new requirement.
• Maximised network availability and performance by monitoring, troubleshooting, resolving outages and scheduling upgrades.
• Administered, maintained and supported network systems to provide consistent security, availability and performance.

• Provided Network support to 20+ Indian enterprise customers
• Supported for Implementation and operational L3 issues of their networks
• Configuration and troubleshooting of high end switches/routers Cisco 7600, 7500, 7200, 3800, 2800, 1800 & Cisco 6500, 5500, 4500, 3700, 3500, 2900, 1900 series switches
• Key Responsibilities:
• Worked on one of the biggest network for Indian Railways
• Deployed and troubleshooted issues at high end Cisco 7609, 6509, 7513 routers/switches
• Protocols experience: BGP, EIGRP, HSRP, GLBP, Multicast, VRF, CDP, QoS, MPLS, DHCP, DNS, AAA/TACACS, IPAM, SSL, Port-Channel etc
• Worked at most critical data centre for internet exchange organization in north India
• L3 Technical support for all network devices for 20+ customers
• Troubleshooting for hardware issues & raising RMA request for all faulty Cisco parts or devices
• Open Cisco TAC case for unresolved issues
• Coordinating with Cisco team until closing of the issue
• Preventive maintenance (Health Analysis) of Network devices in all projects
• Adhering to Change Management in all the projects
• Installing, Configuration, Maintaining and troubleshooting new commission sites
• Identified and corrected many flaws/drawbacks in various network designs, which led to enhance network performance.

• Worked as Network Engineer in a campus of around 2000 workstations
• Management of 100+ L2 and L3 switches & Routers and monitoring of security threads to the McAfee IDS console
• Administration of Trend Micro Officescan Antivirus Server for 2000+ computers
• Administration of ISA Server and Windows Update Server

• Worked in Various Govt offices to support end user devices configuration and Server's AMC
• Troubleshooting for hardware issues for Server & desktop
• Administration of Trend Micro Officescan Antivirus Server
• Installed & Configured Windows 2000 Server, Windows 2003 Server, and Windows 2000/XP/98