SUMMARY

• Cisco Certified Network Engineer wif 4+ years of industry experience in maintenance, troubleshooting and support of Network Applications.
• Proficient in OSI, TCP/IP, UDP, DNS, OSPF, EIGRP, BGP, SNMP, MPLS, IPV4, IPV6, NAT, DHCP, HTTP, VLAN, VPN,HSRP, VRRP, Ethernet, Load Balancing, LAN/WAN maintenance & Optimization, routing and switching technologies.
• Experienced in Cisco routers & switches (catalyst 35xx, 72xx), Cisco IOS, Cisco ASA firewalls, IPS, Access control list etc.
• Experienced in NX - OS and Nexus devices 3k series (N3064, N3164, N3132) and 9k series (N9508, N9232, N93180)
• Proficient in Monitoring Network, resolving or escalating network issues, providing technical assistance.
• Experienced in programming (C, Python), Linux OS basic command line interface and automation of network administration tasks.
• Experienced in requirement gathering, reporting, documentation, process mapping, scheduling, planning, data analysis, Functional & Non Functional Testing, Manual & Automation Testing, Black Box Testing and Defect Life cycle

TECHNICAL SKILLS

Programming Languages: C, Python.

Operating Systems: Windows-XP/7/8/10, Windows Server 2012, Linux (Ubuntu OS), Cisco IOS, NX-OS Microsoft Tools Excel, Word, PPT, MS Project, SQL 2008 Server.

Networking Tools: Wireshark, Zabbix, Trace Route, Ping, Netstat, Spirent

Networking: TCP/IP, UDP, OSPF, RIP, SNMP, DNS, HTTP/HTTPS, IPV4/IPV6, IPSEC, MPLS, LDAP, NTP, BGP, QOS, SMTP etc LAN Technologies VLAN, STP, VTP, Ether Channel, Trunks, HSRP, VRRP, Ethernet/Fast Ethernet/Gigabit Ethernet WAN Technologies Leased Line, Frame Relay, ISDN, PPP, HDLC, ATM, SONET, Metro Ethernet.

Network Security: IDS, IPS, Firewalls, ACL- Access Control List, Cisco ASA5505 firewall, PKI, CA.

Software Security: Security Models, Cryptography Standards, Risk Management, Threat ModelingOthers: JIRA, SDLC, STLC, Agile Methodology, BMC Remedy, Oracle VM VirtualBox, Kiwi Syslog Server, TM2

PROFESSIONAL EXPERIENCE

Network Engineer

Confidential, North Carolina

Responsibilities:

• Validate latest versions of Nexus Operating System (NX-OS) on Cisco Devices 3k series (N3064, N3164, N3132) and 9k series (N9508, N9232, N93180) for Client Deployment and verify if the code is suitable for deployment.
• Validate Gigabit SFP (1G, 10G), QSFP (40G) compatibility wif Nexus DUT and ensure that Traffic passes through device.
• Validate Fast-Reload, Repave, ISSU (in service software upgrade), Upgrade and Downgrade features in Nexus 3k and 9k devices.
• Verify OIR of fan tray, power supply, physical link failure and Beacon LED's for chassis, line card and ports in Nexus DUT.
• Configure LACP port channels and verify LACP timers, LACP keys swap and minimum links configuration in port channel
• Use Spirent Test center to generate traffic to replicate traffic generated in real time Datacenter for test case execution
• Configure VLAN's, trunk ports, access ports, STP, ether channels and manage LAN switching environment
• Use Test Manager 2, JIRA (Defect Management Tool) to record bugs and interact wif Business unit to resolve issues.

Network Support Research Assistant

Confidential, TX

Responsibilities:

• Develop, deploy and document processes and procedures for support tasks and Prepare Wi-Fi network design as per the requirements for different sites on-campus. Provide technical support in terms of upgrading and improving the network.
• Configure private network of department which contains Linux machines, Routers and switches.
• Assist in evaluating, designing and installing campus-wide wireless infrastructure and help troubleshoot issues using root cause analysis, survey, and speed test.
• Configure VLAN's, create authentication credentials for devices, Subnet the network to assign IP address accordingly.
• Configured Trunk groups, ether channels, and Spanning tree protocol (STP) for creating Access/distribution and core layer switching architecture
• Got Hands-on experience in maintaining and troubleshooting RIP, OSPF and EIGRP routing protocols.
• Implemented DHCP, DNS, IPAM configuration on the servers to allocate, resolute the IP addresses from Subnet.
• Developed scripts to automate network administration tasks using python. Developed applications to capture network packets and perform analysis, identify subnets based on IP address and subnet Mask.
• Configure Cisco Switches-35XX, Cisco Routers 72XX series and monitor performance of network using Wireshark.
• Analysis of Amplification attacks in Network Time Protocol. Study of Distributed Denial of Service (DDoS) attacks on NTP servers wif UDP traffic. Suggested a mechanism to re-enable Monitor list commands wif 3-way handshake.
• Resolve DNS, DHCP and speed issues in the campus network using tools (Ping, Traceroute, nslookup, netstat) and RCA.
• Monitor network using Zabbix Network Management system and collect metrics from servers, virtual machines and network devices. A network is designed using Virtual machines in Oracle VM VirtualBox and SNMPv3 protocol. Zabbix agents are used to monitor Virtual Machines configured on hypervisors.

Network Support & Quality Analyst

Confidential

Responsibilities:

• Worked as Support Analyst to provide TEMPeffective first line technical and troubleshooting support for Banking, Media and Cloud systems domains in Cognizant according to the SLA agreements.
• Designed network connectivity and network security, between various departments and data center. Installed and configured routers including 1800, 2600 along wif Cisco switches including 3750 and 6500.
• Managed the LAN Switching Environment including creating and maintaining VLANs, STP, Trunking, Vlan Security
• Configuring routing protocols RIP, OSPF and EIGRP on Cisco Routers and troubleshoot issues.
• Implementation of HSRP, VRRP protocols for Default Gateway Redundancy and Load Balancing
• Analyzed network problems and coordinated resolutions, Monitored network infrastructure traffic and access Logs.
• Designed and implemented an IPv4 addressing scheme wif subnets for different departments.
• Performed network QA test, executed system analysis and troubleshooting in order to resolve problems on servers, workstations and other network devices.
• Organizing team meetings and coordinating wif QA/Engineering/Hardware team and assist Network Admin in upgrades. Experienced in creating network design documentation using Visio diagrams

Quality Analyst

Confidential

Responsibilities:

• Worked as a Quality Analyst for Banking Application "Beta Engine" (Trade order management tool) for Credit Suisse Bank and Media project "Digital Circulation" for "NEWS Corporation Australia" using Agile model.
• Involved in Functional and System Testing, Regression Testing, Defect Management, User Acceptance Testing (UAT), Frontend (UI) Testing and Performance Testing and Database Testing using Microsoft SQL 2008 Server.
• Responsible for designing and documentation of 450+ Test cases and proficient in creating defect reports, incident report, project execution status reports and escalation of issues.
• Performed Defect Reviews, Retest and Defect Reporting through Defect Management Tool JIRA. Analyzing bugs and interacting wif development team to fix the defects.
• Serve as a channel of communication between Developers and Business Analysts. Provide KT to new team members.
• Understand Business Requirements and convert into Test Requirements and map wif Test Cases for Test Coverage.