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Harshil
harshil.sh03@gmail.com
224-634-6634
Chicago, IL 60827
Sr. Network Engineer
8 years experience W2
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Summary

  • Network engineer over 7 years of experience in Routing, Switching and including network planning, implementing, configuring and troubleshooting network devices.
  • Exceptional hands-on experience in implementation, administration and support of LAN, and WAN.
  • Exceptional ability in implementing routing and redundancy protocols like RIP, EIGRP, BGP, OSPF, HSRP, MPLS, GLBP, PPP and SNMP.
  • Experience in upgrading IOS for Cisco Routers, and Switches via TFTP/FTP.
  • Solid understanding in Frame Relay, Point to Point WAN technology, and LAN/WAN topologies.
  • Experience with load balance applications and appliances.
  • Strong Knowledge in WAN technologies including T1, T3, ISDN, HDLC, Point to Point, ATM and Frame Relay.
  • Experience in adding Rules and Monitoring Checkpoint Firewall traffic through Smart Dashboard and Smart View Tracker applications.
  • Worked with F5Load balancing, IDS/IPS, Bluecoat proxy servers and Administrating, authentication controls (Radius, TACACS+)
  • Experience in working with Juniper routers such as MX-480, MX-960 and switches EX-4200, EX-4300, EX-8200 and Juniper firewalls such as Juniper SRX-610, SRX-3600
  • Experience in Implementing Check Point Firewalls NG, NGX, NG R55, NGX 60, NGX R65, R70, R75, R77.
  • Extensive knowledge in implementing and configuring F5 Big-IPLTM-3900, and 6900 Load balancers
  • Experience with Load Balancers for administrating and monitoring global &local traffic using F5 BIG IPLTM & GTM
  • Configured Client-to-Site and site to site VPN using SSL Client on Cisco ASA 5520 ver8.2.
  • Strong hands on experience in layer-3 Routing and layer-2 Switching. Dealt with Cisco router models like 7200, 3800, 3600, 2800, 2600, and 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, and 2900 series switches.
  • In-depth knowledge of deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel.
  • Expertise in configuring switching protocols such as ARP, RARP, VTP, PPP, VLAN, STP, RSTP, PVST+, HSRP, GLBP, VRRP and Routing Protocols such as RIP, OSPF, BGP, EIGRP, IS-IS, and MPLS.
  • Troubleshooting DNS/DHCP issues within the LAN network.
  • Planning, Designing and implementing Network and security solutions like Firewalls (Palo Alto, Check Point, and ASA), Data Center Switching, Bluecoat Proxy and F5 Load Balancers. Troubleshooting issues post migration of Internet traffic via Bluecoat Proxy by tracing traffic on Bluecoat or by capturing traffic.
  • Experience with F5 load balancers for load balancing and network traffic management for business applications.
  • Adept understanding of the JUNOS platform and worked with IOS upgrade of Juniper devices.
  • Worked with Red Hat Enterprise Linux with virtual servers using VMware.
  • Firmware upgrade for Meraki MS, Meraki MR, Meraki MV, Meraki MX for the better performance
  • Provided troubleshooting and diagnostic support at layer2/layer3 level using different technologies and tools such as Splunk (Log tool), server monitoring and Service Now and CA ticketing tool.
  • Experienced working on network monitoring and analysis tools like SOLAR WINDS, CISCO works, RIVERBED and Wireshark.
  • Strong troubleshooting and problem solving skills, able to resolve technical challenges and provide creative solutions in high pressure production environments.
  • Independent problem solving and a good team player with strong interpersonal and communication skills.

Education:

  • Master’s in Computer Science at Texas A&M University-Kingsville, USA
  • Bachelor’s in Information Technology at Charotar University of Science and Technology, INDIA

Certifications:

  • CCNA - Cisco Certified Network Associate
  • CCNP – Cisco Certified Network Professional

Technical Skills:

  • Cisco Routers Cisco 2600, 2800, 3600, 3750, 3800, 7200, ASR 1K and 9K.
  • Cisco Switches 6500, 7600, 5800, 2900, 4000, 3500, 4500, 5000,
  • LAN Technologies Ethernet, Fast Ethernet, and Gigabit Ethernet, SMTP, VLAN, Inter-VLAN Routing, VTP, STP, RSTP
  • WAN Technologies Frame Relay, PPP, HDLC, (E1/T1/E3T3), DS3, OC192, ISDN, PPP, MPLS, SD WAN
  • Network Security Cisco ASA, ACL, IPSEC.
  • Nexus 3K, 5K,7K and 9K, NX OS
  • Routing Protocols OSPF, EIGRP, BGP, ISIS, GRE, VRF, PBR, Route Filtering, Redistribution, Summarization, and Static Routing.
  • Various Features / Services IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP and FTP.
  • Network Management Tools Wireshark, Netflow Analyzer, Cisco Works, Ethereal, SNMP, HP open view, Solar winds.
  • Load Balancers Cisco CSM, F5 Networks (BIG-IP) LTM 8900, BIG-IP GTM 6800, Cisco ACE 4710.
  • Operating Systems Windows (98, ME, 2000, XP, Server 2003/2008, Vista, Windows 7/8), Linux, UNIX,
  • Firewall& Security Checkpoint (R62, R65, R70, NGX), Cisco ASA, Palo Alto, Juniper SRX.

Experience
Sr. Network Engineer
Information Technology
Oct 2020 - present
Port Arthur, TX
Responsibilities:
  • Designed, Installed & configured LAN, WAN components Cisco Catalyst switches 6500, 4500, 3750 series and Cisco ASR routers 9001, 1006 according to the Network Design along with the Data Center topology.
  • Working on data center Core switches for configuring Nexus 9k, Nexus 5k, 4500, 4900, 6500 series switches.
  • Configured OSPF, BGP protocols on Cisco ASR 9001/1006, Cisco 7200 and troubleshoot them.
  • Configured IPsec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800
  • Expertise on FTP, HTTP, DNS, and DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network. Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT'ing, NAC product sub-netting, also including, LDAP, DHCP, HTML, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols
  • Working on Cisco 6509 and 4507 series switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.
  • Assisted with weekly adds, moves, and changes for WAN OBS vendor.
  • Actively involved in switching technology Administration including creating and managing VLANS, Port security
  • 802.1x, Trunking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.
  • Configured AWS Identity and Access Management (IAM) Groups and Users for improved login authentication. Also handled federated identity access using IAM to enable access to our AWS account.
  • Created and managed cloud VMs with AWS EC2 command line clients and AWS management console.
  • Development on Linux platforms via Docker on the AWS instances.
  • Responsible for switching tasks such as VTP, ISL/ 802.1Q, IPsec and GRE Tunneling, VLAN, Ether Channel, STP RSTP.
  • Involved in Implementing, planning and preparing disaster recovery. Involved in configuring Juniper SSG-140
  • Day-to-day network performance monitoring, fault analysis, hardware troubleshooting, etc.
  • Supporting the implementation of new network solutions and services through the installation of network hardware and software.
  • Configured CIDR, RIP, PPP, BGP, MPLS and OSPF routing on Cisco routers and Juniper routers.
  • Upgraded WLC from 4400, used HREAP to add remote APs to branch office. Extended SSIDs over different locations, created WLAN profiles for groups & integrated with Cisco ISE for authentication
  • Configured Access rules on Palo Alto 3020 firewall for network routing for B2B network connectivity.
  • Verified & Validated the Firewall policy on Cisco ASA clusters for unused rule and consolidating rule.
  • Configured site to site VPN s & clients to site VPN tunnels through multiple Cisco VPN concentrators & Cisco ASA (5585/5525) firewalls, maintained access policies for remote users, for network security.
AWS AWS EC2 BGP Cisco Cisco ASA Data Center DHCP Disaster Recovery DNS Docker Containers EIGRP Firewall FTP HTML IPsec Juniper LAN LDAP Linux MPLS NAT Network Design Network Engineer Network Security OSPF Routers Switches TCP/IP VLAN VPN WAN Windows WLAN
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Sr. Network Engineer
Information Technology
Oct 2020 - present
Houston, TX
Responsibilities:
  • Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security.
  • Configured, installed, & managed DHCP, DNS, & WINS servers.
  • Configuration & maintenance of Cisco2600 series routers with OSPF.
  • Configuration and maintenance of Cisco ASR routers such as ASR 1013, 1009-X, 1006, 1006-X, 1004, 1002-HX, 1002-X, 1001-X routers.
  • Worked on migration of Frame Relay based branches to MPLS based VPN for customer's WAN infrastructure.
  • Worked on migration of existing PIX firewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0, also configured on BIG IP (F5) Load balancers and also monitored the Packet Flow in the load balancers.
  • Experience working with CLI F5 Bgi-Pipe, TMSH
  • Worked on the security levels with AAA, RADIUS, TACACS+.
  • Worked with Blue coat and handled the Trouble Tickets on F5 Load Balancers.
  • Upgrading the network by translating protocols like EIGRP to OSPF.
  • Installed and configured F5 Load balancers and firewalls with LAN/WAN configuration.
  • Worked on various Nexus Products 7010, 7009.
  • Create and test Cisco routers and switching operations using OSPF routing protocol.
  • To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
  • Experience working with Layer 1-7 switching, TCP/IP, OSPF and load balancing (Cisco L2/L3 switches, firewalls, load balancers.
  • Experiences also includes working with Checkpoint R77 Series, Cisco ASA 55XX and the Fortinet 's 51B, 300C Firewall Series.
  • Proactively manage customer Firewall's (FW), Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS) and other security threat data sources on Check point and Juniper FW's.
  • Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/ NAT'ing with the firewalls per design.
  • Worked with security issue like applying ACL's, configuring NAT and VPN.
  • Troubleshoot issues related to connectivity, STP, VLANs, Trunking, VTP, Layer 2/3switching, Ether Channels, Inter-VLAN routing, log messages, high CPU utilization and parameters that can degrade Performance of the network.
Cisco Cisco ASA DHCP DNS Firewall Juniper LAN MPLS NAT Network Engineer Routers VPN WAN
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Network Engineer
Information Technology
Nov 2017 - present

Responsibilities:

  • Develop, design and implement firewall infrastructure surrounding Checkpoint and Cisco Firewalls and a good experience with security tools and protocols like NERC/CIP and SOX.
  • Installed and Configured Checkpoint Firewall in Internet Edge.
  • Responsible for the implementation, organization and operation of Palo Alto Firewalls based on perimeter security network (PA-3020, PA-5220)
  • Configured SSL-Forward Proxy and SSL-Inbound inspection on Palo Alto Firewalls.\
  • Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
  • Maintained and managed networks running EIGRP and BGP routing protocols
  • Hands On experience in push Policy from Panorama to Firewall in Palo Alto.
  • Configured various Router interfaces like ATM interface, T3 & Channelized T1 interfaces.
  • Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalysts.
  • Experienced in installation, configuration and maintenance of Cisco Nexus 7K, 5K switches.
  • Experience in managing the load balancers in a high-availability infrastructure.
  • Experience with handling DNS and DHCP servers.
  • Configuring and managing Blue Coat Proxy Servers.
  • Generating RCA (Root Cause Analysis) for critical issues of layer1/ layer2/ layer3 problems.
  • Responsible for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
  • Worked for change management procedure and implementation of configuration changes during non-production window.
BGP Blue Coat Cisco DHCP DNS EIGRP Firewall HSRP Network Engineer Switches VLAN
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Network Engineer
Information Technology
Sep 2015 - Oct 2017
Responsibilities:
  • Documented and updated the network physical and logical layout.
  • Hands on experience with Network diagnostics, monitoring, and analytical tools.
  • Responsible for maintenance and utilization of VLANs, Spanning tree, HSRP, VTP of the switched multi-layer backbone with catalyst switches.
  • Worked on Layer 2 protocols such as STP, VTP, and other VLAN troubleshooting issues and Maintained core switches.
  • Designed IP Addressing scheme, VLAN tables and Switch port assignments, Trunking implementation. Controlling, monitoring and troubleshooting LAN, WAN system.
  • Trouble shooting single and multi-arm topologies, Fix routing issues and misconfigurations.
  • Performed on-call rotation schedule using SNMP network monitoring tool for client support sites.
  • Worked with field engineers and escalation teams to patch and update networking software on client's network gear, mostly using Cisco routers and switches.
  • Configured/Troubleshoot issues with Cisco routers, switches, NAT, and DHCP, as well as assisting with customer LAN /WAN.
  • Strong knowledge and experience in implementing, configuring VPN technologies like IPsec, SSL.
  • Performed DNS and DHCP troubleshooting.
  • Troubleshoot layer1, layer2 and layer3 technologies for customer escalations.
  • Basic knowledge of wireless networking and web browsing content filtering.
  • Provided support for installation and troubleshooting of configuration issues.
  • Implemented & Integrated Cisco switches, routers, and security devices.
  • Involved in L2/L3 Switching Technology troubleshooting.
  • Creating and managing VLANs, Port security, Trunking, STP, INTER-VLAN routing, LAN security.
  • Configured/Troubleshoot issues with Cisco routers, switches, NAT, and DHCP, as well as assisting with customer LAN /WAN.
Cisco DHCP DNS HSRP IPsec LAN NAT Network Diagnostics Network Engineer Network Monitoring Routers Switches VLAN VPN WAN Wireless Networks
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Network Engineer
Information Technology
Oct 2013 - Aug 2015

Responsibilities

  • To Implement Local Area Network Solutions and its remote support.
  • Manage Network Equipment(Cisco 3500 Router, Juniper FW SSG 550 and Cisco Switches).
  • Network Implementation solutions & support.
  • Installation, configuration and maintenance of Cisco Routers like 7600, 7200 and juniper mx series.
  • Installing and configuration and troubleshooting of various Cisco switches like Nexus 5000 and Nexus 7000 series and Juniper EX series.
  • Operating, administrating, managing & testing of carrier Ethernets
  • Installation, configuration and maintenance of Palo Alto, Cisco ASA 5500, Juniper SRX and ISG Firewalls
  • Troubleshooting server connectivity issues for client intranet,
  • Networking: TCP/IP, Troubleshooting client network connectivity in SIMS Buildings, DNS Troubleshooting, Remote Access - Virtual Private Network (VPN).
  • Network Security Implementation & Support.
  • Password resets/unlocks, Giving pseudo Privileges, Providing LAN and Wan Support.
  • Responsible for monitoring and reporting error incidents for remote location servers.
  • Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.
  • Upgraded Cisco Routers, Switches and Firewall (PIX) IOS using TFTP
  • Acted as Tier 3 support for connectivity, failures, configuration, implementation, and troubleshooting.
  • Provided project management for data center cabling, documented all network drawings using Visio
  • Design, test, and implement global Next Generation MPLS network (150 sites) using Cisco 3800, 2800, 2600, and 1721 routers using BGP and EIGRP protocols.
Cisco Cisco ASA Firewall Juniper Network Engineer Routers Switches BGP Data Center DNS EIGRP LAN MPLS Network Security OSPF TCP/IP WAN
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Edit Skills
Non-cloudteam Skill
Education
Master's in Computer Science
Texas A&M University
Bachelor's in Information Technology
Charotar University of Science and Technology
Certifications
CCNA - Cisco Certified Network Associate
CCNP - Cisco Certified Network Professional
Cisco CSM
Skills
Cisco
2021
6
DNS
2021
6
Network Engineer
2021
6
Switches
2021
6
DHCP
2021
5
HSRP
2021
5
VLAN
2021
5
BGP
2021
4
EIGRP
2021
4
Firewall
2021
4
LAN
2021
3
Routers
2021
3
WAN
2021
3
Blue Coat
2021
2
IPsec
2021
2
NAT
2021
2
Network Diagnostics
2017
2
Network Monitoring
2017
2
VPN
2021
2
Wireless Networks
2017
2
Cisco ASA
2021
1
Data Center
2021
1
Juniper
2021
1
MPLS
2021
1
Network Security
2021
1
OSPF
2021
1
TCP/IP
2021
1
AWS
2021
1
AWS EC2
2021
1
Disaster Recovery
2021
1
Docker Containers
2021
1
Firmware
0
1
FTP
2021
1
HTML
2021
1
LDAP
2021
1
Linux
2021
1
Load Balancing
0
1
Network Design
2021
1
Network Planning
0
1
OpenShift
0
1
SolarWinds
0
1
Splunk
0
1
UNIX
0
1
Virtual Router Redundancy Protocol
0
1
VMWare
0
1
Windows
2021
1
WLAN
2021
1