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04/12/2021 Client: muhammad11 Deadline: 2 Day

Sarang Vilpara Email: Sarangvilpara12@gmail.com Phone: 469-773-7559

Professional Summary:

• Skilled IT Engineer with Strong Fundamentals in Computer Networking and Information Security.

• Thrives in challenging environments, while retaining a sense of humor.

• Regarded as a data-driven leader and highly effective communicator.

• Enthusiastic learner with an extensive analytical background

• Four years of experience in Routing Switching, network Design and network troubleshooting.

• Worked with fortune 500 company (Cisco, Verizon, CenturyLink).

• Experience with Routing protocols (OSPF, BGP, EIGRP)

• Experience with LAN WAN technologies including SD-WAN (Viptela)

• Configured load balancers (Cirix NetScaler) SDX and VPX and achieved redundancy using HSRP and BGP multipath.

• Work with Cisco Routers (3800,2500,2600), catalyst switches (6500/7500), Nexus switches (3k,5k,7k,9k) • Hands-on-experience configuring ACI technologies (Contracts, l3-out, EPG, Access-policy, tenants) and

configuring APIC controllers. • Hands on experience with different vendor Equipment’s. Juniper (MX-960 series routers), Cienna(6500 DWDM),

brocade(RX-16), Alcatel-lucent(7500). • Extensively worked on Cisco firewall (ASA-5510,5540), FTD. • In-depth understanding of the firmware upgrade (cisco-IOS and Nexus OS) from the booting process. • Worked extensively with Nexus technologies like VPC (virtual port-channel), Overlay transport virtualization

(OTV) Virtual extensible LAN (VXLAN), M and F series Modules • Worked with Catalyst switches to understand technologies like VSS and FEX. • Tracing the packets with packet capture tools like Ethanalyzer, Wireshark, Tcpdump. • Use network troubleshooting tools like Sciencelogic to monitor the network, use Splunk to get the log messages,

Configure SNMP servers and various log levels on IOS • Understanding of Cloud Technologies (AWS-EC2 instance, S3 storage, ROUTE 53 DNS, VPC, Elastic load balancer) • Use VMware vSphere to configure HA, Vswitch, Tap-ports on the VNIC. • Configure and troubleshoot VPN’S, GRE and IPsec Tunnels. • In-depth understanding of IPV4/V6, Subnetting, VLANS, VRF, ARP, RARP, Proxy ARP, Ping, Traceroute. • Troubleshooting MPLS technologies by configuring the CPE equipment’s and the PE routers with EBGP

connections and separating the VRF tables for Different customers. • Updating and installing new SSL certificate on the load balancers. • Configure layer Two transport T1/T3 on Infinera, OC12, OC192, SONET rings on Cienna and DWDM technologies

on cisco 15454. • Test The 1 gig , 10 Gig ethernet circuits by generating traffic from Spirent and using loop from the other end of

the circuit on the LEC hand off. • Perform Lab recreates on complex issues to provide RCA to the customers • Handle P1/P2 issues for the customers Datacenter and provide Customer Satisfaction. • Decommission the unused circuit by monitoring the traffic and analyzing the port capacity.

mailto:Sarangvilpara12@gmail.com
Education: Southern Methodist University, Dallas MAY 2017 Master of Science in Telecommunications & Network Engineering GPA 3.73

Skills: Languages: C C++ PYTHON LINUX(SHELL

SCRIPTING )

Networking Concepts:

VPN SD- WAN

MPLS VIRTUALIZATION (VMWARE ESXI)

FIREWALLS TCP/IP DWDM VXLAN ACI

Security Concepts:

IDS IPS AES DES CISCO-ASA CISCO- FTD

Storage: RAID LVM NFS

Protocols: TCP/IP DHCP DNS SNMP BGP OSPF IPSEC OPENSSL TLS

Cloud concepts:

AWS- EC2

VPC ELASTIC LOAD BALANCING

S3 STORAGE DNS- ROUTE 53

Software: LINUX EVE WIRESHARK SCIENCELOGIC SPIRENT TBS

Certifications: Cisco Certified Network Associate (CCNA) - ID: CSCO12960732 Cisco certified network professional (CCNP)-ID: CSCO12960732

Experience:

TAC Engineer Routing and switching, Cisco Systems, Inc. (contract) July 2019- Present (RTP, NC-USA)

• Configure data center ACI leaf and spine switches with fabric and access polices, end point group (EPG), application profile, Contracts, Bridge domain, VMM Domain, L2/L3-out profiles interface profiles on the APIC.

• Troubleshoot Cisco firepower (FTD) and firedrill to allow communication between DMZ and internal VRF’S.

• Configure and troubleshoot DNS entries in the AM (address management) tool for various cisco domains.

• Configure GSLB and SLB Citrix NetScaler load balancer (SDX, VPX) and the MAS server.

• Work with the L4-L7 firewall FTD integration and migrated the nexus gateways from traditional to the ACI environment.

• Install and update the SSL certificates with the SAN names on the SLB and GSLB load balancers.

• Use tools such as Splunk and Thousand eyes, ScienceLogic to troubleshoot end to end network connectivity.

• Work as a SME (subject matter expertise) to resolve customer issues on technologies such as VPC (virtual port channel), VXLAN, FABRICPATH, VDC, OTV on nexus N3K, N5K, N7K and N9K series switches

• Have a deeper understanding on working of the routing and switching protocols such as BGP, OSPF, EIGRP, Multicast, ARP, TCP/IP, DHCP, RSTP, LACP-PORTCHANNEL.

• Analyze the packet flowing through the hardware I/O MODULES (M2, M3, F2, F2E, F3) and troubleshoot the buffer, VOQ (virtual output ques) and the related ASIC’s on the nexus devices for health check.

• Troubleshoot the routes in the URIB and the FIB components to ensure proper forwarding of packets in the control plane.

• Work on enterprise catalyst switches 3850, 9500, 4K and 6k series. Troubleshoot Stack wise virtual and VSS issues faced by customer.

• Assist customer with the NX-OS related issue: High CPU usage, software upgrade, Q-IN-Q tagging issue, ACL, QOS, TCAM issue, packets stuck in buffer, MAC address flapping, STP, OSPF stuck in Exstart.

• Troubleshoot routing issues (BGP, OSPF, EIGRP) and multicast issues.

• Resolve the severity /High priority cases of the customer from remedy ticketing system providing customer satisfaction

• Configure and troubleshoot the VM instances for high availability on the VMware vSphere and on ACI Vswitch.

Environment: CISCO NX-OS, IOS ,FTD, ASA firewall, NX-3k,5k,7k,9k , Catalyst 6500/7500 , Citrix Netscaler, ACI ,Radius,TACAS,VXLAN,BGP,OSPF,EIGRP,VLAN,STP,MSTP, SUPERVISOR MODULE,FEX,APIC,GSLB,SLB.

Network support engineer, Verizon wireless (contract) Dec 2017- July 2019 (DALLAS, TX-USA)

• Establish BGP between Verizon PE (Juniper MCR) and customer/Verizon provided CPE router and attach the pe interface to appropriate VRF instance.

• Configure MPLS (mesh) and DIA using appropriate policy and use proper C-TAG and S-TAG to provide connectivity between different customer VPN sites.

• Support Enterprise customers having problems connecting to internet by troubleshooting the entire circuit in the backbone network (from layer 2 transport devices - CIENNA 311 v, NETVANTA, ALU-7750, ADTRAN TA- 5000, ML-100 cards, Brocade RX-16, layer 3 Devices- juniper CLR, MCR and Cisco ASR 9010, CSR)

• Configure OSPF and Redistribute routes learned from OSPF to BGP as well as configure static routes as demanded customers.

• Work with LEC (local exchange carrier) to troubleshoot Ethernet circuits at the CFA handoff.

• Provision the CSR(customer service records) with appropriate layer two transport technologies in (DS0,T1/T3,OC12,OC192,1GIG,10GIG,SONET,DWDM) circuits and decommissioning the circuit not in use.

• Configure VPLS service and troubleshoot connectivity issues by analyzing the VSI instances.

• Configure the APM (application performance management) tool to help customer monitor the traffic.

• Configure 4G wireless backup (CRADLEPOINT) and activate backup IPSEC VPN tunnels that routes the traffic through the firewall in case of failover of normal circuit.

• FIREWALL: Configure hosted security, DMZ VPN, multicast (PIM-Sparse/dense) for the customers on juniper router.

• Configure the Verizon provided CPE router from the scratch for multiple vendor platforms (cisco, juniper, NETVANTA).

• Provision different class of services on the PE and CPE routers as demanded by the enterprise customers.

• Configure HSRP for the backup router and track the interface for the customer on the CPE equipment.

Environment: Cisco routers(2500,7200,3600,15454), Juniper (MX-960),Cienna(6500),Alcatel-lucent(7200,7500),Brocade(RX- 16), MPLS,BGP,OSPF,STP,Pseudowire,ARP,T1,T3,OC-192,OC-12,SONET,DWDM,LEC,Spirent,Infinera

Network Support Engineer, CenturyLink (contract) July 2017 - Oct 2017 (MONROE, LA-USA)

• Created and monitored VLANs on ports/LAG of devices (CISCO, JUNIPER, ALKATEL) while tracing path from DSLAM to BRAS server and configured ADTRAN devices (1000/5000 series) with VPI-VCI circuit.

• Managed the VLAN-VB ports, parent ports and cross-connects on virtual switch (CIENNA 5150/3940/311V).

• Hands on experience with (Alcatel-lucent 7750) configuring EPIPE, QOS, VLAN translation using SAM and CLI.

• Route traffic through dynamic protocols (BGP, OSPF, EIGRP).

• Work with networking devices (cisco switches 2k,3k series).

• Work on cisco ASA firewall.

• Decommission the circuit not in use.

• Verify the port capacity of the circuit.

• Trace the end to end connectivity of the circuit by finding networking devices along the path.

• Use SolarWinds to monitor the health of the network.

• Use Splunk to log the messages to the servers.

Environment: Splunk, SolarWinds, ASA, SAM, Secure-Crt, BGP, OSPF, ADTRAN, ARP, Ping, Traceroute

Network Intern, You Broad band Private limited (Vodafone) Dec 2013 –May 2015 (AHMEDABAD, INDIA)

• Studied modems and provided on-call coordination with customer to resolve network issues.

• Gained experience of LAN/WAN, routing protocols (BGP, OSPF, EIGRP, RIP, NTP).

• Gained knowledge of multiplexing techniques (FDM, DWDM and TDM) and different storage system (NAS/SAN), various RAID levels and cables.

• Gained knowledge of Metro Ethernet, TCP/IP, SIP, VPN.

• Provide on call support to the customers by troubleshooting the WIFI- issues from the NOC center.

• Troubleshoot the optical fiber connectivity related issues.

• Troubleshoot layer1 circuit issues by replacing the network gear, modules in the data center.

• Troubleshoot the 10Gig, 1Gig circuit speed issues and check the power level.

• Gained knowledge of the coaxial cable and optical fibers.

Environment: Coaxial Cable, cat5/6,Ethernet,CSMA/CD,NOC.

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