Engineer Technical Support

VIJAYA LAKSHMI

Networking Engineer

PROFESSIONAL SUMMARY:

A Skillful Network Professional with 8 years of experience in network administration, designing, implementation, troubleshooting the LAN environments and also provided support for Network Operations and Deployment.

Expertise in configuring and troubleshooting routing protocols including BGP, EIGRP and OSPF.

Excellent working experience on Nexus 2148T,2224T, 5548P, 5596T,6000, 7009, 7018switches.Also implemented VDC and VPC on the Nexus 5505, 7009 switches.

Extensively worked on Cisco catalyst 6509and implemented VSS on it.

Performed NX-OS, Cat OS and IOS upgrade in the switches and routers.

Detailed understanding of different layer 2 like VTP, VLANs, STP, Port Security, VSS, and layer 3 technologies like NAT, PAT.

Expertise in implementing redundancy gateway protocols like HSRP, VRRP and GLBP.

Hands on experience in performing various configurations on Access, Distribution and Core layer switches like Cisco Cat 2960, 3750, 4507, 4010, 6506,6509 switches.

Implemented route manipulation and route filtering with the use ofroute-maps, Off-set lists and distribution-list, access-lists, prefix-list respectively.

Worked on MPLS in establishing peer ship with BGP protocol.

Profound knowledge on various WAN technologies like E1/T1/E3/T3,HDLC, Frame-Relay, PPP.

In-depth knowledge in the usage of ether channels for effective usage of bandwidth with aggregation protocols LACP and PAGP.

Performed security operations by using ASAfirewalls.

Managed enterprise grade server/application load balancing usingF5 LTM/GTM.

Performed deep packet analysis to troubleshoot application issues using tools like Wire-shark, Cascade, Netbrian, and Voyence.

Excellent inter-personal skills with an ability to work in a team of large members and also with minimum supervision necessary.

Experienced in Microsoft Visio creating a detail physical and logical network diagrams.

CERTIFICATIONS:

Cisco Certified Network Professional (CCNP).

Cisco Certified Network Associate (CCNA).

TECHNICAL SKILLS:

•LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, LWAPs.

•WAN Technologies: HDLC, PPP, Frame Relay, Channelized links (E1/T1/E2/T2).

•Routing Protocols: OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route redistribution,Route filtering, Summarization, Static route.

•Routers dealt with: Cisco 7606, 7609, 3845, 3660, 2921, 2691, 1812, Juniper MX series and T series routers.

•Switching Technologies: VLANs, Inter VLAN routing and Port Channels, VTP, Spanning Tree Protocols like PVST+, RSTP+,Multi-Layer Switching, Port security, VSS, CED and DCEF.

•Switches dealt with:Nexus5548, 5596, 6000, 7009, 7018; Cisco Catalyst: 6506, 6509, 4928, 4948, 4507,4510, 3750,3560,and 2960.

•Network Security Technologies: ASA 5545/5540 Firewalls,PaloAlto firewall PA 5050, Access Control Lists, IPsec, IDS, and IPS.

•Wireless Controllers: 5508, 2504.

•Accesspoints: 2700, 2800.

•Load Balancers: F5 Network (Big-IP) LTM 8900 and 6400.

•Redundancy Protocols: HSRP, GLBP, VRRP.

•NEXUS Features: VDC, VPC, FEX, F & M Series line cards

•VPN Technologies: GRE Tunneling, Remote Access VPN, Site-to-Site VPN.

•Operating Systems: Windows(98, ME, 2000, XP, Vista, Windows 7, 8.1), Linux.

PROFESSIONAL EXPERIENCE:

Client: Dimension Data, MA

Role: Sr. Network Engineer (June 2014 – Present)

Responsible for implementing and monitoring a risk-based program to identify and mitigate any operational risks that arise from inadequate or failed internal processes, systems or external events or may provide oversight of an operational risk program. The group also participates in and provides consulting and support for projects and initiatives to identify and mitigate operational risk in business activities.

Key Achievements:

Responsible for the monitoring and surveillance, incident management and resolution, technical support, scheduled maintenance, network configuration, and change management support of the Dimension Data global I.T. network infrastructure.

Collaborated and triage with network engineers, field technicians, equipment vendors, and telecom carriers to troubleshoot and resolve various types of network issues and outages.

Performed network maintenance and system upgrades to ensure quality patches.

Worked on Cisco Firewall ASA 5500(5510/5540) Series. Performed Security operations in terms of pushing new policies and deploying new rules. Performing security troubleshooting in terms of checking ACLs and ACEs and traffic flow analysis using packet capture features

Implemented routing and switching changes in client networks.

Created lab environment utilizing Network simulators (GNS3) for proof of concept for pre-implementation of customer’s design and problem root cause analysis.

Configured and deployment of routing protocols OSPF, EIGRP & BGP over Cisco Routers in Production environment.

Performed LAN operations and troubleshooting which involves working on VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.

Implemented First hop redundancy protocols like HSRP, VRRP, GLBP and Etherchannel technology (LACP, PAgP) etc.

Performed Nexus based multi-homing using features like VPC, VSS and worked on network virtualization using Nexus VDCs.

Configured and Troubleshooted the issues related to the access points and configured WLAN controllers according to the client needs.

Worked with Cisco TAC business unit for product functionality issues.Worked on Juniper M series router, performed basic administration and JUNOS upgrade.

Configured Security policies including NAT, PAT, Route-maps and Access Control Lists.

Provided guidance to Level 2 Engineers on the accuracy of monitoring systems.

Configured multiple IPSEC VPN Tunnels to facilitate encryption of data on WAN circuits.

Worked directly with clients solving multi-protocol EIGRP, OSPF and BGP routing issues within a complex network environment.

Created RMA’s and Troubles hooted hardware problems.

Used monitoring tools and protocol analysis tools such as Wireshark cascade, Netbrian, Voyence to ensure network connectivity and to assess network issues.

Worked on configuring and maintaining of IPSEC site-to-site VPN’s tunnels and updating ACL’s for interested traffic.

Day-to-day activities include monitoring, surveillance, incident management, problem resolution, technical support, scheduled maintenance, network configuration, change management and problem, resolution documentation.

Created Visio Diagrams for enterprise network of the client which helped in easy understanding of the network.

CLIENT: KAISER PERMANENTE, CA August 2012-June2014

Role: Network engineer

RESPONISIBILITIES:

Involved in the activity of migrating regular Cisco catalyst switches with the new Nexus 2148, 2224T, 5548, 6018, 7010 using F3/M3 line-cards with 10GE & 40GE interfaces and Supervisor 2E.

Performed upgrading of the NX-OS with ISSU and EPLD.

Performed Legacy Catalyst 6509 with SUP-720, Catalyst 4507 with SUP-6 switches migration to Nexus 7k with SUP-2E as part of the data center refresh.

Deployed VSS on Cisco Catalyst 6509 switches and provided post-deployment support for issues.

As part of DC fabric remediation/refresh project, deployed Cisco Nexus switches and implemented features like FEX Links, VPC, VDC, and OTV.

Configured and deployed VPC between Nexus 7010 and Nexus 5596,5548 switches along with FEX 2248.

Involved in the troubleshooting aspects of complex network infrastructure using the routing protocols like EIGRP, OSPF& BGP.

Involved in configuration and implementation of the MPLS with BGP protocol.

Configured and deploying Cisco catalyst 6506, 4948E, 4510 switches and Cisco 3660, 3845, and 7609 series Routers.

Knowledge in architecture of Juniper Hardware. Hands on experience on juniper hardware(MX 10) in Lab setup.

Applied ACLs for Internet access to the servers using Cisco 5520 ASA firewall, performed NAT.

Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.

Good knowledge of implemented firewall policies on Cisco ASA, Cisco PIX, Checkpoint Provider-1 /SiteManager-1 NGX R65, Firewall-1/VPN-1 NGX R65 Gateways, Fortinet-20C,110, Palo Alto (PA-5050, PA-4050) and Secure Platforms.

Performed load balancing and application level redundancy by deploying F5 BIG-IP LTM 3900.

Involved in the configuration and maintenance of IPsec Site-to-Site VPN.

Gave support in giving access the User machines and partners exterior to the network using IPsec VPN tunneling and SSL.

Dealt with the service providers in the case of WAN outages.

Responsible for simulating network operations with the usage of packet analyzer like Wire shark, and use to resolve tickets whenever there is an issue.

CLIENT: Nexii Labs Hyderabad, India June 2009- June 2012

Role: Jr. Network Engineer

RESPONSIBILITIES:

Documented the company’s design, implementation and troubleshooting procedures.

Monitored the Network performance based on company’s Service Level Agreement (SLA).

Configured VLANs with 802.1Q tagging according to the Server team’s requirements.

Involved in troubleshooting of DNS, DHCP and other IP conflict problems.

Performed IOS upgrades on various catalyst series switches and maintained latest IOS versions according to company’s policy.

Maintained Cisco and F5 Load Balancer documentation.

Responsible for cabling and labeling based on day to day requirement, and Racking & Stacking of various network equipment’s.

Used to make sure that there is no connectivity related problems using PING and Trace route.

Provided Helpdesk support by:

Identifying and escalating the tickets to the specific groups.

Resolving all computer related problems, such as troubleshooting operating system failure, scheduling and updating virus checks on servers and desktops.

EDUCATION:

Bachelor of Technology in Electronics and Communication Engineering.

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