Summary
Overview
Work History
Education
Skills
Websites
Certification
Timeline
Generic

Sannath Garimella

Summary

Over 10+ years of professional experience in Planning, Implementing, Configuring, Troubleshooting of networking system on Cisco devices. Experience working on CISCO NEXUS data center infrastructure with 2000, 5000 and 7000, 9000 series switches includes (5548, 7010, 9396, and 9572) including CISCO NEXUS Fabric Extender (2248). Experience working with Cisco Nexus 2248 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture. Strong knowledge in HSRP, VRRP redundancy Protocols. Worked on Cisco 7200, 6500, 3800, 3600, 2800, 2600, 1800 series Routers and Cisco 2900, 3500, 4500, 5500, 6500 series switch. Experience in configuring firewalls such as Palo Alto PA-5200, Checkpoint 6500T, 15600, Cisco Firepower and SRX 6500. Experience in creating scripts with Python and worked with puppet and Ansible for network automation. Worked in the escalation problems for Routing, Switching and WAN connectivity issues using ticketing systems like remedy and Magic. Experience of routing protocols like EIGRP, OSPF and BGP. Advanced knowledge in design, installation and configuration of ASA 5520, 5555, 5585-X Administration. Knowledge of VMware vSphere administration within Cisco Unified Computing System environment. Juniper SRX and SSG series, Check Point VSX series, Cisco ASA series, Cisco PIX and Palo Alto Firewalls Administration Knowledge of Checkpoint VSX, routers and switches Experience in Network LAN/WAN deployment, Experience with DNS/DHCP/WINS Standardizations and Implementation Extensive hands-on experience with complex routed LAN and WAN networks, routers and switches. Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers

Overview

12
12
years of professional experience
1
1
Certification

Work History

Sr. Network Engineer

PNC Bank
Pittsburgh, PA
03.2023 - Current
  • Worked in data center rack and stack the device and pre-configuration old firewalls to new firewalls of Palo alto new generation PA-220, PA-850, PA-3220, PA-5020, PA-5220
  • Designing end-to-end enterprise SD-WAN networks on Azure/AWS-VPC environments
  • Implemented l4/l7 services and network Micro segmentation using ASA, Palo alto virtual firewalls and integration with ACI fabric and Arista VXLAN fabric
  • Manage Broadband Ethernet EWO’s in ASAP/Metasolv/MSS, provision Ethernet VLANs onto series Z equipment in Blue Planet Operate/CYAN/Ciena Optical Networks
  • Model Broadband Ethernet circuit design specifications as dictated through service requests from CPT platform to CYAN/Ciena and Cisco platforms
  • Experience with Cisco DNA solutions ISE, NGFW, Prime, ESA, WSA, VPN and CWS implementations
  • Configured VLAN Trucking 802.11, 802.3ad, 802.1Q, 802.1D, 802.1W STP, 802.1S, 802.3AF, 802.3AT and Port Security on Catalyst 6500 switches
  • Experience with partners on installation and configuration problems and issues related to SDA, DNAC
  • Worked on end-to-end process of configuration, migration and decommission of firewalls in the data center
  • Worked extensively with multiple wireless hardware vendors including Cisco, Cisco Meraki
  • Managed and troubleshot NET Cloud, Cradle Point and Aruba access points wireless devices on Citrix and Airwave
  • Aruba VPN, customer public and private wireless networks
  • Aruba mobility and Clearpass training
  • Maintain asset management in Solarwinds and ServiceNow(SNOW)
  • Experience in Cisco Routing and Switching using 3600, 3700, 3800, 5300, 6500, 7200, 7600Nexus 7k, Nexus 5k, Nexus 2k& ASR 9000, 1000 series routers, Meraki products
  • Armis Deployment and Configuration
  • Developing and refining Armis XDR and Threat Management products' vision, strategy, roadmap, and execution
  • Supported Infoblox appliances grid environment for DNS, DHCP and IP Address Management tools (IPv4), for the State Farm enterprise network
  • System level monitoring on Linux and Infoblox Appliances to watch process and service statuses, like Performance Monitoring & Tuning - iostat, vmstat&netstat, nfsstat, etc
  • Supported Infoblox appliances grid environment for DNS, DHCP and IP Address Management tools (IPv4), for the State Farm enterprise network
  • Have good experience in working in Panorama and Expedition migration tool
  • Worked on migration VPN tunnels and services other firewalls as per client requirements
  • Worked on trouble shooting part with Palo alto Tack team with issues to resolve after migration and testing after migration and monitor in solar winds source and destination traffic flow
  • The data centers consisted of various Cisco platforms Cisco 3550, Cisco 4510, Cisco 6509, Cisco 5500, Cisco Nexus 5000 & 7010 series switches and F5 Load Balancer Cisco ACE, CSS and Big IP
  • Migrating the policies from on premise Bluecoat to Cloud Based Zscaler Proxy service in tandem with various application owners
  • Continually upgraded Meraki security devices as all store locations and kept current firmware, verified Meraki was upgraded, both circuits were functioning through the Meraki and wireless clients were using the Meraki appliances
  • Extensive hands-on experience with complex routed LAN and WAN networks, Cisco routers, switches, ASA’s and firewalls
  • Experience with upgrading NX-OS to version 6.1 on the cisco Nexus 7010
  • Experience in Configuring, upgrading, and verifying the NX-OS operation system
  • Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST
  • Experience with Cisco DNA solutions ISE, NGFW, Prime, ESA, WSA, VPN and CWS implementations
  • Used Monitor PRTG and Darktrace for network-related issues and troubleshooting
  • Engaged in the Cisco DNA Voucher Operations Program as a DNA Mentor to provide mentoring service to sales eligible Cisco Partners
  • Design/Configure/Monitor Alerts in SolarWinds and PRTG - Hardware and Software Nodes
  • Environment: Cisco Nexus 2000/5000/7000/9000, Palo Alto Firewalls, Cisco SD-WAN (Viptela), AWS/Azure, Infoblox, Ansible, Panorama, SolarWinds, PRTG, Cisco DNA, ACI Fabric, Arista VXLAN

Sr. Network Engineer

Cardinal Health
Dublin, OH
04.2021 - 02.2023
  • Plan, build, deploy, and maintain ACI data center lab utilized by internal parties
  • Create and deliver ACI training to HTTS engineers globally
  • Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre-configuration of network equipment, testing, and maintenance) in both Campus and Branch networks
  • Enterprise-level Cisco ISE configuration and troubleshooting and also Arubla Clear pass for NAC
  • Implemented l4/l7 services and network Micro segmentation using ASA, Palo alto virtual firewalls and integration with ACI fabric and Arista VXLAN fabric
  • Model Broadband Ethernet circuit design specifications as dictated through service requests from CPT platform to CYAN/Ciena and Cisco platforms
  • Manage Broadband Ethernet EWO’s in ASAP/Metasolv/MSS, provision Ethernet VLANs onto series Z equipment in Blue Planet Operate/CYAN/Ciena Optical Networks
  • Supported Infoblox appliances grid environment for DNS, DHCP and IP Address Management tools (IPv4), for the State Farm enterprise network
  • System level monitoring on Linux and Infoblox Appliances to watch process and service statuses, like Performance Monitoring & Tuning - iostat, vmstat&netstat, nfsstat, etc
  • Experience working with Cisco IOS, IOS-XR, NX-OS for configuration troubleshooting of routing protocols
  • Experience in Configuring, upgrading and verifying the NX-OS operation system
  • Supported Infoblox appliances grid environment for DNS, DHCP and IP Address Management tools (IPv4), for the State Farm enterprise network
  • Experience in R&D, Testing, Performance, and Validation of Wireless Systems
  • Subject matter understanding of Wi-Fi, 4G LTE, SU - MIMO, MU-MIMO, Beamforming, Band Steering
  • Design/Configure/Monitor Alerts in SolarWinds and PRTG - Hardware and Software Nodes
  • Managed and troubleshot NET Cloud, Cradle Point and Aruba access points wireless devices on Citrix and Airwave
  • Aruba VPN, customer public and private wireless networks
  • Aruba mobility and ClearPass training
  • Executed Avaya communications for Avaya server implementation
  • Troubleshooting Routing/Switching, wireless LAN controllers, VMware and VPN issues
  • I have also been instrumental in applying Cisco Clean Access (NAC) and ISE solutions to enforce corporate PC security polices and limit guest user access
  • I have throughout my professional tenure continued to display exceptional foresight and customer service expertise
  • Experience deploying and maintaining global MPLS, IPSEC, strong understanding of SD-WAN and DWDM
  • Experience with Palo Alto firewall administration and IDS/IPS modules experience
  • Proven experience and success with LAN, WAN, and WLAN design and implementation
  • Experience with Design, Implementation & support of VXLAN EVPN and SD-WAN solutions
  • Excellent understanding of SD-WAN Architecture on Cisco Viptela SD-WAN and/or Velocloud
  • Hands-on experience working with Viptela and/or Velocloud SD-WAN elements vManage, vBond, vSmart, vEdge, and/or vCO
  • Designing end-to-end enterprise SD-WAN networks on Azure/AWS-VPC environments
  • Advanced level of routing, Cisco IOS, VLAN configurations and VRF configurations
  • Designed/implemented remote site Palo Alto, Riverbed, and Brocade switches, Meraki Firewalls
  • Performed configuration and maintenance of Brocade ICX 6450 and 7450 switches in the network
  • Monitoring Network infrastructure using SNMP tools HP NNM, Dynatrace, Solar-winds and OpNet
  • Implementation of Spine leaf architecture and configured Equal cost multi-path Routing
  • Configuration, Troubleshooting and Maintenance of Palo Alto Firewalls - PA200, PA2000 series, PA3000 series, PA4000 series and PA5000 series
  • Implemented and managed Firewall rules in Palo alto PA 5000 series using Panorama
  • Organize and facilitate project planning, daily stand-ups, reviews, retrospectives, sprint/release planning, demos and other Scrum-related meetings
  • Track and communicate team velocity and other development metrics with, and to all affected teams and management
  • Environment: Cisco ACI, Palo Alto Firewalls, Python, AWS/Azure, Nexus switches, Arista VXLAN, Infoblox, PRTG, Panorama, Cisco Prime, Meraki

Network Engineer

Bny Mellon
NY
07.2019 - 03.2021
  • Experience working with ASR 9000 series switches and routers with IOS-XR
  • Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5585 Security appliance
  • Configured VLAN Trucking 802.11, STP, and Port Security on Catalyst 6500 switches
  • Experience in Configuring, upgrading, and verifying NX-OS operation system with OSPF, BGP
  • Configured cisco ASA 5510 firewall to establish logical separation between Legacy network & lab environment
  • Performed network monitoring, troubleshooting, implementation and maintenance of juniper and checkpoint firewalls
  • Manage Broadband Ethernet EWO’s in ASAP/Metasolv/MSS, provision Ethernet VLANs onto series Z equipment in Blue Planet Operate/CYAN/Ciena Optical Networks
  • Excellent understanding of SD-WAN Architecture on Cisco Viptela SD-WAN and/or Velocloud
  • Implemented l4/l7 services and network Micro segmentation using ASA, Palo alto virtual firewalls and integration with ACI fabric and Arista VXLAN fabric
  • Managed and troubleshoot NET Cloud, Cradle Point and Aruba access points wireless devices on Citrix and Airwave
  • Aruba VPN, customer public and private wireless networks
  • Aruba mobility and Clearpass training
  • Configured VLAN Trucking 802.11, 802.3ad, 802.1Q, 802.1D, 802.1W STP, 802.1S, 802.3AF, 802.3AT and Port Security on Catalyst 6500 switches
  • Hands-on experience in configuring Viptela devices and creating device and feature templates on vManage required for SD-WAN implementation
  • Implemented Zone Based firewall and Security Rules on the Palo Alto Firewalls
  • Configuring rules and Maintaining checkpoint VSX, Palo Alto Firewalls & Analysis of firewall logs using various tools
  • Migrated juniper firewalls to Palo Alto network firewalls and carried out troubleshooting and configuration of the same
  • Replaced aging Checkpoint firewall architecture with new next gen Palo Alto appliances serving as Firewalls and URL and application inspection
  • Regularly performed firewall audits around Check Point firewall solutions for customers
  • Implementation and Configuration (Profiles, I Rules) of F5 Big-IP LTM-3600 load balancers
  • Routine Administration (Design, Implementation & Operations support) of Citrix, BIG-IP and F5 load balancers
  • Environment: Cisco ASR 9000, Nexus 7000, Palo Alto Firewalls, BGP, MPLS, IPSEC, PRTG, Infoblox, vManage (Viptela), Panorama, F5 Load Balancer

Network Engineer

Robinhood
Menlo Park, CA
01.2017 - 06.2019
  • Network Assessment and Documentation (including technical, operational, and economic assessment)
  • Responsible for designing and implementation of customers network infrastructure
  • Help negotiate hardware, software, and circuit contracts for customers
  • Redesign customers office copper and fiber cable plant for scalability
  • Experience in software development using python scripting
  • Experience in working with cisco ASA firewalls
  • Implement Cisco IOS Firewall IDS using 2600 series router
  • Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
  • Configured and debugged policy-based routing for special traffic, route filtering with route maps, route redistribution
  • Configured VLAN Trucking 802.11, STP, and Port Security on Catalyst 6500 switches
  • Performed OSPF, BGP routing protocol administration
  • Worked on F5 load balancers and ASA firewalls
  • Router memory & IOS upgrade with TFTP
  • Environment: Cisco ASA, F5 Big-IP, Palo Alto Firewalls, Python, Cisco Nexus, Wireshark

Network Engineer

Brio Technologies Private Limited
Hyd, India
06.2013 - 09.2016
  • Racking, stacking, and cabling network-based, IT systems
  • Configuring of IP Allocation and sub netting for all applications and servers and other needs throughout company using FLSM, VLSM addressing
  • Troubleshot the issues related to routing protocols
  • Perform routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment
  • Installing operating systems, software and hardware on computers
  • Implemented redundant Load balancing technique with Internet applications for switches and routers
  • Support Network Technicians as they require training support for problem resolution including performing diagnostics, configuring network devices
  • Responsible for Data Backup, System Update, Recovery and Restore, and Spyware removal
  • Troubleshot problems on a day to day basis and documented every issue to share it with design teams
  • Implemented and configured routing protocols like EIGRP, OSPF and BGP
  • Responsible for maintenance and utilization of VLANs, Spanning-tree, HSRP, VTP of the switched multi-layer backbone with catalyst switches
  • Environment: Cisco Catalyst 6500, ASA Firewalls, OSPF/BGP, F5 Load Balancer, Nexus Switches, Cisco Packet Tracer, Network Analyzer

Education

Bachelor of Science - Computer Science

JNTUK UNIVERSITY

Skills

  • LAN/WAN Architecture
  • TCP/IP
  • Frame Relay
  • VPN
  • VLAN
  • VTP
  • NAT
  • PAT
  • STP
  • RSTP
  • PVST
  • MSTP
  • Cisco Switches
  • Cisco Routers
  • ASA/Pix firewalls
  • VMware
  • IronPort
  • OSPF
  • IGRP
  • EIGRP
  • RIP
  • MPLS
  • IS-IS
  • BGP
  • Multicasting
  • PAP
  • CHAP
  • Cisco PIX
  • Blue Coat
  • Cisco Works 2000
  • Wire Shark
  • HRPing
  • Windows 7
  • Vista
  • XP
  • 2000
  • LINUX
  • Cisco IOS
  • IOS XR
  • CISCO 2600
  • 2800
  • 3600
  • 3800
  • 7200
  • Juniper M & T Series
  • Cisco CRS-1
  • CRS -3
  • GSR
  • IXIA
  • Spirent
  • Cisco works
  • IPerf
  • IXChariot
  • CISCO 2900
  • 3500
  • 4500
  • 5000
  • 6500
  • Nexus 7k
  • 5k
  • 2k
  • C
  • C
  • Perl
  • VB Script
  • Power Shell
  • Python
  • SQL
  • Qualnet Developer
  • OPNET IT GURU
  • OPNET Modeler
  • Juniper Netscreen
  • Juniper SRX
  • Pix
  • ASA
  • Checkpoint
  • PaloAlto
  • Fortinet
  • McAfee Web Gateway
  • TACACS
  • RADIUS
  • Cisco ACS
  • IOS and Features
  • HSRP
  • GLBP
  • IPAM IRDP
  • SNMP
  • SYSLOG
  • NTP
  • DHCP
  • CDP
  • DNS
  • TFTP
  • FTP Management
  • Open Stack
  • IVR’s
  • HLD and LLD Documents
  • Dell equal logics

Certification

Cisco Certified Network Professional (CCNP)

Timeline

Sr. Network Engineer

PNC Bank
03.2023 - Current

Sr. Network Engineer

Cardinal Health
04.2021 - 02.2023

Network Engineer

Bny Mellon
07.2019 - 03.2021

Network Engineer

Robinhood
01.2017 - 06.2019

Network Engineer

Brio Technologies Private Limited
06.2013 - 09.2016

Bachelor of Science - Computer Science

JNTUK UNIVERSITY

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Sannath Garimella