Network Engineer

Name:Nagesh D

Number:812-***-****

Email:******************@*****.***

PROFESSIONAL SUMMARY:

* **** ***** ** ********** in Designing, Deployment and Operations of complex enterprise and service provider networks. Adept in managing service functions & streamlining the working standards operating system for project rollout, design and development of Telecom solutions.

Strong grasp of current and future technologies including TCP/IP, IPv4/v6, RIP, EIGRP, OSPF, BGP, Frame Relay, ACL, VPN, IPS/IDS, AAA(TACACS+ & RADIUS) Wireless LAN and configuration of VLANS.

Steered efforts for providing presentation and seminar to the customers for in-house projects to introduce about the projects Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps.

Configuring and managing an IP video monitoring and security control system that used media-on-demand technologies. Servers decommission, Server modification and upgrade, Hardware support, backup-streaming solutions

Built stable, productive and profitable operations within highly technical environment

Experience in layer-3 Routing and layer-2 Switching. Deals with Nexus models like 9K, 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches.

Effectively managed process according to ITIL framework standards implemented in the organization.

Experience writing Linux shell scripts

Experience in network performance testing. Administration and Maintenance in multi-vendor platform environments (Cisco, Juniper, Checkpoint, F5, Palo Alto)

Experience with Firewall Administration, Rule Analysis, Rule Modification.

Good knowledge in configuration of Voice VLAN’s (VOIP), prioritizing the voice traffic over the data traffic.

Worked on Load Balancer F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability

Attend and participate in system-level design meetings in order to address testing issues early in the software development process.

Experience in configuring and troubleshooting Juniper SSG and Net screen series Firewalls, Palo Alto firewalls, McAfee SIEM, Symantec Endpoint protection.

Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT’ing, sub-netting, also including DNS, WINS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols

Highly motivated with the ability to work independently or as an integral part of a team.

Enterprise Switching with VLANs, Trunks, Spanning Tree, Port Spanning etc.

Provides technical leadership for problem escalation and resolution.

Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of profession.

Moderate knowledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, WLC, WCS, Standalone APs, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g/n/ac, RF spectrum characteristics.

Hands-on experience with installing and managing IT services such as Active directory, site replication, DNS, SSH, DHCP, DNS, NAT and VMware.

Working knowledge with monitoring tools like Solar Winds & network packet capture tools like Wire-shark

Experience developing and maintaining comprehensive system test plans

Create testing tools and scripts as needed to support system level testing activities.

CERTIFICATIONS:

Cisco Certified Network Professional (CCNP)

Cisco Certified Network Associate (CCNA) ( CSCO ID : CSCO13127632)

EDUCATION QUALIFICATION:

Bachelors of Engineering in Electronics and Telecommunications-India

TECHNICAL SKILLS:

Operating Systems

Cisco IOS, Windows NT 4.0 (Desktop/Server), Windows 2000/2003/2008 Server, Windows XP/Windows 7/8, LINUX,UNIX, MS Exchange server, Solaris, Active Directory.

Equipment’s (Switches &Routers)

Cisco routers (7600, 7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series, juniper SRX, MX, EX Series Routers and Switches.

Routing

OSPF, EIGRP, BGP, RIP, RIP-2, PBR, Route Filtering, Redistribution, Summarization, Static Routing.

Switching

VLAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing &Multi-Layer Switching, Multicast operations, Layer 3 Switches, Ether channels, Transparent Bridging.

Firewalls

ASA 5500 series, checkpoint, Juniper Net screen Firewall ISG100, 2000, SSG, SRX.

Load Balancer

ACE Module, GSS & F5 LTM

LAN Technology

Workgroup, Domain, HSRP, DNS, DHCP, Static, VLAN, STP, VTP, Ether Channel, Trunks.

WAN technology

Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, DS1, DS3, OC3, T1 /T3 & SONET.

Various Features &Services

HSRP, VRRP, GLBP, NAT, SNMP, SYSLOG, NTP, CDP, DNS, TFTP, FTP, IOS and Features, Management. Wireshark, IXIA chariot, Packet Sniffer, Packet Analyzer and Solar Winds Breaking Point, TCP Dump, Python.

Wireless & Wi-Fi

Canopy Wireless Device (point to point/point to multipoint), D Link Wireless (point to point), D Link Access Point, CISCO 1200 series Access Point, and Linksys Wireless/Wi-Fi Router.

PROFESSIONAL EXPERIENCE

Modern Health, Monrovia, CA Oct 2015 to Present

Designation: Network Engineer

Roles & Responsibilities:

Responsible for designing and implementation of network and Security infrastructure.

Reviewing, analyzing, approving and executing all changes in the network. All Configurations of Cisco Routers and Switches. Participated in a rotating 24x7 support schedule for the Network operation Center.

Responsible for the delivery of Wireless Planning, Design, Implementation & Optimization Services to Cisco's major accounts.

Design and implementation of security policies using RFC 1918, ASA 55xx, Site to site VPN tunnels.

Designed and Implemented DMZ for FTP, Web and Mail Servers with CISCO PIX525 and PIX515E.

Designed and Implemented Cisco Nexus Platform, Cisco UCS & HP Virtual Connect Flex1.

Worked on irules on F5 LTMs and performed troubleshooting on them.

Installing and configuration of Checkpoint, Palo Alto, Fort iGATE, ASA

Installation and configuration Cisco router IOS 12.x, Cato’s 12.x, Nexus NX-OS 6.x.

Focused on working with Cisco Channel partners to build practices around Cisco ACI

Cisco’s Application Centric Infrastructure (ACI) implementation (Nexus 9K, APIC).

Use and maintain routing protocols OSPF and BGP on the Routers in the network & also worked on BGP Route Reflectors, Confederations.

Have been working in Palo Alto Firewalls, Juniper firewalls, McAfee SIEM, Symantec Endpoint Protection, Juniper SA6000 and Symantec VIP.

Involved in load balancing web-based application traffic using Big IPs F5 LTM and GTM.

Formulated and executed designing standards for DNS servers.

Involved in negotiating Service Level Agreements (SLAs) and Operational Level Agreements (OLAs) for the service.

Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.

Configuring Cisco switches including Nexus9K, Nexus7K, Nexus5K and Nexus2K (FEX), C6500,4900,3750,3560,3550,2960,2950 and C500 switches.

Coordinating with IT application teams, troubleshooting the applications on F5 LTM.

Application Load Balancing with F5BigIPLTM and GTM devices, Cisco ACE, and Cisco CSS appliances.

Setting up of iRules to support cyber security requirements, application behavior etc.

Designed and deployed networks using dynamic routing protocol (EIGRP, OSPF and BGP).

Worked on Cisco 5500 wireless controller.

Knowledge of commercial enterprise-level tools and products to provide network services, including firewalls, IPS/IDS, DNS, DHCP, web security, TACACS+, VPN.

Quality of service QOS and class of service COS implementations for business-critical applications and prioritize traffic for voice and other critical applications.

Involved in creating load balancing implementation plans and configurations, deployment of F5 load balancers.

Responsible for migrating Cisco ACE load balancers to F5 load balancers and general troubleshooting of the F5 load balancers.

Configured, VLANS, NAT, DHCP, HSRP, QOS, STP and trunking on Cisco routers.

Maintaining & Troubleshooting Cisco Wireless Access points.

Coordinate with application teams, firewall team and network team to migrate the application from old

DMZ to New DMZ on F5 load balancers.

Set up HSRP, VLAN trunking 802.1Q, ether channel, VTP and inter-VLAN routing using MSFC on catalyst 6509 and 6513 switches.

Upgrade Cisco 6500, 3750, 2960s, Nexus 5000, Nexus 2000, Nexus 7000 switch IOS software

Use and maintain routing protocols OSPF and BGP on the Routers in the network & also worked on BGP Route Reflectors, Confederations.

Upgraded the code on multiple ASA’s from 8.2 to 8.4 which required a very great deal of configuration changes especially due to the change of syntax for building NAT’s on 8.4

Certifying items, Substantial lab testing & approval preceding usage of Nexus 7K, 5K & 2K interfacing with sharpened steel servers.

Build and maintain Visio documentation database of network topology.

Worked on F5 and CSM load balancers deploying many load balancing techniques with multiple components for efficient performance.

WAN optimization with cisco WAAS Technologies; and QoS implementing.

Creating SSL CERTs and assigning them to the servers as per the customer requirements.

Migrated the F5 LTMS from 10.x to 11.x versions.

End-user-device evaluation(s) for purpose of obtaining optimum WLAN equipment.

Network Monitoring and data acquisition with TCP dump, Wireshark, many others.

Configuring/Installing Aruba and Cisco WLAN Equipment.

Implemented Port Security – MAC limiting, DHCP Snooping and IP source guard on EX series switches to make the network invulnerable to attacks.

Wireless Access Point Survey/Installation/Implementation.

Configured & maintained IPSEC Site-to-Site VPN.

Experience with configuring Nexus 2000 Fabric Extender (FEX) hich acts as a remote line card (module) for the Nexus 5000.

Designed and Implemented Cisco Nexus Platform, Cisco UCS & HP Virtual Connect Flex1.

Juniper Networks Service Provider Routing and Switching.

Trouble shooting network issues (Latency, Link Down, Packet loss, etc.) on a global Internet Service Provider (ISP) network.

Involved in Network Access Management, operational management and engineering support of Cisco 5500-5585 series ASAs, All PIX and FWSM models.

Spectrum, Indiana Feb 2014 – Sep 2015

Designation: Network Engineer

Roles & Responsibilities:

Implement Cisco Works 2000 device to manage Cisco routers, switches, PIX and ASA firewall, Access Points, Concentrators.

Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525) & ASA 5500(5510/5540) Series.

Integrate VoIP with PSTN and setup voice Gateway ensuring QOS for Cisco based Voice over IP and CDR for voice call Accounting.

Designed and Implemented Wireless Local Area Networks (WLAN), including development of configurations based upon High-Level Designs and Plan of Record.

Developed low-level LAN/WAN/WLAN design documentation.

Involved in troubleshooting of Cisco Telepresence, Cisco Meeting place, etc.

Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.

Involved in configuration and usage of Data Center Migration, chipped away at execution techniques for the development of the MPLS VPN systems.

Router/ Microsoft VPN Server to get to certain restricted system assets from client areas.

Installed and designed four PIX 525 and two ASA 5505 in client areas. Notwithstanding that, arranged two PIX firewall for the Guest access.

Established IPSEC-VPN tunnels with ASA 5500 series Firewall between some branch offices & headquarters.

Managed the security infrastructure of the service provider which includes ASA 5585, 5540, 5520, Cisco IPS 4270, Cisco ACS 4.2 & 5.2

Designed and deployed F5 LTM load balancer infrastructure per business needs from the ground up approach.

Configuring VLANs and executing entomb VLAN directing.

Involved in setup of Cisco 6500 ACE switches.

Configuring IPSLA screen to track the divers.

Experience with converting PIX rules over to the Cisco ASA solution.

Maintain Security policy by monitoring PIX firewalls (515 and 520).

Used DHCP to automatically assign reusable IP addresses to DHCP clients.

Experience configuring Virtual Device Context in Nexus 7010.

Experience configuring BGP VRF, FCoE, FC, PIM in Nexus 9000

Experience in Configuring, upgrading and verifying the NX-OS operation system.

Experience in working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a flexible Access Solution for datacenter access architecture.

Set up and troubleshoot secured wireless access points (WAP) and wireless LAN controller (WLC) for broadband internet.

Configured various wireless access points (WAP) for the organization network.

Experience in relocation of Frame-transfer based extensions to MPLS based innovation utilizing multilayer stackable switch like 6500 arrangement and 2800 arrangement and Worked on F5 LTM, GTM arrangement like 6400, 6800, 8800 for the corporate applications and their accessibility.

Configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 7000. Configuring VDC & VPC in Nexus 9k, 7k, 5k and 2k.

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

Experience working with BGP attributes such as Weight, Local-Preference, MED and AS-PATH to influence inbound and out bound traffic.

Carried out Route-redistribution between different routing protocols like OSPF, BGP, and EIGRP for increased efficiency.

Implementation of HSRP, IPsec, Static Route, IPSEC over GRE, Dynamic directing, DHCP, DNS, FTP, TFTP, RAS. .

Configured Cisco Catalyst Switch 3560.

Install and manage Cisco Catalyst Switches 3500XL Series, Cisco Catalyst 3560 Series, Cisco 3750, 3600, 2600 routers, etc.

Migrated Servers from 6500 Platform to Nexus without any application outage

Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations.

DIVI’S Laboratories, Hyderabad. Dec 2011 – Nov 2013

Designation: Network Admin

Roles & Responsibilities:

Worked on dispatching the STM 4 connections on GSR Router 12404 and 12406.

Network Cabling, dressing, naming and investigating different system drops on location.

Troubleshoot of Leased Lines like STM4, DS3, E1 Links, Metro, NLD ILD Services and RF joins.

Design and execution of establishment and setup of VPN/IVPN, LAN/WAN according to hierarchical prerequisites.

Responsible for Capacity arranging, Contingency arranging & fiasco recuperation.

Carryout occasional reinforcement of Router/Switch setups.

Planning and Implementing New Infrastructure in the Data Center.

Involved in migrating Cisco ACE load balancers to F5 load balancers.

Upgrading and investigating Cisco IOS to the Cisco router and switches.

Configure and investigate Juniper EX arrangement routers and switches.

Configuring Site to Site to VPN integration.

Troubleshooting on the gadgets by remote login to focus the RFO (Reason for blackout) and RCA (Root cause investigation) to minimize the outcomes of glitches.

Equipment Installation/Removal in the NOC.

Maintaining Checkpoint security policies including NAT, VPN and Secure Remote access

Configuring IPSEC VPN (Site-Site to Remote Access) on SRX series firewalls.

Maintained Corporate Firewalls & Analysis of firewall logs using various tools. Configured and troubleshooting of HSRP on Cisco routers.

Network consists of Heavy Cisco equipment’s such as Cisco 2500, 2600, 3640, 3945, 7200 series Routers, Cisco 6500, 4500, 3560, 2950, 2924 Switches, Cisco Pix firewall 500 series and Wireless Access points Cisco 1230.

Involved in New Branch Network Systems. Resolved Network Issues, Ran Test Scripts and Prepared Network Documentation.

Configured RSTP, LACP and VTP on Nexus devices.

Performed RIP & OSPF Routing Protocol Administration.

Monitored performance of Network and Servers to identify potential problems and bottleneck.

Worked on 4500 Catalyst switches for the purpose of LAN requirement and for troubleshooting LAN issues

Experience on a mesh 6500 and 5500 series routes and switches to support the core trading system. Involved

Involved in designing and applying QOS and policy MAP QOS to WAN to 2800 series routers for all the

branches

Involved in Troubleshooting IP Addressing Issues and Updating IOS Images using TFTP.

Maintenance & Monitoring Base station base.

Commissioning of New Links By facilitating with BSO.

Ensure standard Router and Switch Configurations are kept up.

Worked on Network Operations utilizing Ticketing framework utilizing SIFY TAC.

Monitoring the NMS framework for diverse Network Alerts.

Coordinating with administration suppliers for WAN connection blackouts.

Performed exchanging innovation organization including VLANs, between VLAN directing, Trunking, STP, RSTP, port total & join transaction.

Responsibilities additionally incorporate specialized documentation of all overhauls done.

ICICI banking, Hyderabad. May 2009 – Nov 2011

Designation: Network Engineer

Roles & Responsibilities:

Prepared Engineering documents and Network diagrams in Microsoft Vision.

Designed VLAN’s and set up both L2 and L3 logicals to have it communicate to the Enterprise network.

Scheduled preventive maintenance for fire-protection systems, including new protocols. Utilize MS Windows, Word, and Excel for reporting/documenting process.

Juniper: EX-2200,EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240

Provide high level technical support, including identifying and resolving problems on Cisco supported products for e-Commerce infrastructure. This included external routing and internal/intranet routing for DMZ servers.

Moved Core switches and several non-Cisco devices under strict deadlines to maintain network functionality

Satisfactorily Resolved Problems in timely manner with focus on providing a high level of support for all customers.

Delivered Departmental Efficiency through advanced engineering, technical support, and documentation procedures.

Implemented cable multi-service operator (MSO) to capture traditional Telco subscribers with IP telephony and provide relevant QOS.

Configured EIGRP, BGP, and MPLS.

Implemented new ultra secure networks in multiple data centers that included Cisco 6500 s, Juniper security devices, and F5 Big IP’s.

Implement QOS for Voice, Video against DATA by Ip Precedence and DSCP.

Implemented Load Balancing between Cisco L3 Switch by HSRP and GLBP.

Involved in L2/L3 Switching Technology Administration including making and overseeing VLANs, Port security, Trunking, STP, Inter-Vlan directing, LAN security.

Developed and presented LAN/WAN/WLAN network engineering design packages.

Responsible for executing the implementation and service around critical corporate network(s) (LAN and WLAN).

Ensure Network, framework and information accessibility and respectability through preventive support and redesign.

Responsible for administration appeal tickets produced by the helpdesk in all stages, for example, investigating, support, updates, patches and fixes with all around specialized backing.

Worked on authorizing and decommissioning of the MPLS circuits for different field business locales.

Completed administration demands (i.e. – IP readdressing, data transmission overhauls, IOS/stage redesigns, and so forth).

Supporting EIGRP and BGP based PwC arrange by determining level 2 &3 issues of inner groups & outside clients of all areas.

Providing day by day system help for national wide region system comprising of MPLS, VPN and point-to point site.

Configuring HSRP between the 3845 Router sets for Gateway repetition for the customer desktops.

Configure VRRP & GLBP and VLAN Trunking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.

Updated the HP open perspective guide to reflect and changes made to any current hub/object.

Handled SRST and executed and arranged the Gateways, Voice Gateways.

Applied access lists and NAT configurations based on implementation guidelines.

Prepared and maintained documentation using MS Visio.

Worked on Data, VoIP, security and remote establishments and innovations.

Attended group gatherings and gave remarks on existing system and the suggestion to enhance the current system execution.

Identifying specialized issues and fixed equipment and programming identified with LANs/ WANs, distinctive sort of workstation (PC/ MAC).

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