Network Manager
Resume:
SAIKUMAR
*****@*******.***
Professional Summary:
Over 8 plus year’s experience in the Network Designing, Security and Implementation of Routing, Switching, Firewall technologies and troubleshooting of Complex Network systems.
Hands-on exposure at designing, installing, configuring & maintaining Enterprise Networks using Cisco routers, Catalyst Switches, Racking, Stacking, Configuring various networking devices.
Experience in IPV4 & IPV6 addressing with fixed & variable length subnet masking (VLSM), OSI, TCP/IP models.
Strong hands on experience in installing, configuring, and troubleshooting of Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches, Cisco ASR 1002, 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers.
Experience in LAN, WAN & switching technologies along with Failover Mechanisms & Inter VLAN Routing types.
Strong experience in Configuring F5 LTM 8950, 6900, VIPRION 2400 models.
Basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of F5 load balancers.
Enterprise Routing experience using protocols RIP v1 & 2, EIGRP, OSPF and BGP.
Deploying enterprise wide Network Security and High Availability Solutions for ASA
Design and Configuration of security policies using Cryptography, ACL, SDM, PIX Firewall, IPsec, VPN, and AAA Security on different series of routers.
Knowledge in WAN Technologies such as OC3, OC12, T1, T3, DS3, SONET, Fiber and Frame Relay, ISDN, ATM, PPP, PAP, CHAP, HDLC.
Experience in configuring protocols HSRP, VRRP, GLBP, ICMP, HDLC, & SNMP, configuring & troubleshooting routing protocols RIP v1/v2, EIGRP, OSPF, IS-IS, BGP & MPLS and installing & configuring DNS, DHCP server.
Expertise in implementing & troubleshooting VLANs, Spanning tree protocols (STP, RSTP, PVST+) Ether Channel, PAGP, LACP and 802.1Q.
Video Teleconferencing Specialist with specialized experience working for the CKE, Univar, CHASE.
Experience in working in the area of virtualization with VMware, VSphere, ESX/ESXI 5.x,4.x, VCenter server 4.x,5. Involved in maintenance and virtual server upgradation.
Experience in configuring Networking Standard Vswitch, Distributed switch, VM Kernel Ports and NIC (NETWORK INTERFACE CONTROLLER) teaming in Windows Server 2012.
Configured Remote Desktop connectivity to various devices in Local Area Network.
Experience in installing & maintaining network monitoring tool IBM Tivoli & network analyzers - Wire shark tool.
Implementing & maintaining tools like Snort (IDS), MRTG, Solar Winds products, JFFNMS, Net flow Analyzer, Smoke Ping, and NTOP.
Configured ACLs to provide accessibility and restrict unauthorized users. Providing analysis on server health using pivot tables.
Cisco Routers, Switches IOS upgrades with latest IOS version as per company standards.
Migrate IPV4 to IPV6 address using Tunneling, Transport Relay Translation (TRT), NAT64, DSLITE and DNS64.
Knowledge about implement Aruba Wireless infrastructure using Aruba controllers & Access Points.
Experience working with F5 load balancers, its implementation, methods and troubleshooting.
Working experience with NAT techniques on firewalls such as Cisco PIX, Cisco ASA appliance, Palo Alto fire wall and used panorama for centralized control of all the firewalls.
Good knowledge in Linux and Unix systems. Servers and their administration.
Expertise in configuring Big-IP F5 LTMs (virtual servers, I Rules, pools, SNATs, health monitors) for managing the traffic and tuning the load on the network servers.
Black listing and white listing of web URL on Blue Coat Proxy server.
Having knowledge in TCL for better Automation and Remote command line application.
Efficient use of Microsoft VISIO/Office for technical documentation and presentation tool.
CERTIFICATIONS:
Cisco Certified Network Associate (CCNA)
Cisco Certified Network Professional (CCNP)
Technical Skills:
Routers
Cisco 7609,2600,2800,3800,3640, Cisco 3745,7200 Series
Switches
Cisco 3500, 5000, 6500 Catalyst Series Cisco 7000, 2000 Nexus Series
Routing Protocols
BGP, OSPF, EIGRP, VRRP, HSRP, GLBP, and RIP
MPLS
LDP, MPLS L3 and L2 VPN
Load Balancing
Cisco ACE 4700 series, F5 LTM, Ax10
Firewalls
Palo Alto PA-500, PA-2k, PA-3k, PA-5k & PA-7050, Checkpoint R65/R70/R75/R76/R77, IPS/IDS, Cisco ASA.
LAN Switching
STP, IEEE 802.1Q, VTP, VLAN & Inter-VLAN routing, QOS
WAN/core
ATM, Frame-Relay, ISDN, PPP, HDLC
Optical infrastructure
SONET OC3-OC192, SDH, POS, PDH
VoIP Devices
Cisco IP phones, Cisco 5500, 6500 series controller, Avaya 3000, 6000, 7200 series Controllers
Video Devices
Cisco, Tandberg
Wireless Technology
Cisco AP, LWAP, Access Points, WCS
Ticketing software
Connect Wise, Remedy system
Management software
HP Open view, Solar winds, PRTG Network Monitor
IPSEC/VPN Configuration
PIX to Router, Router to Router, PIX to VPN wildcard client, Router to VPN wildcard client, PIX to PIX, fully meshed configurations
Cabling
CAT 5, CAT 5e, CAT 6, CAT 6a
Operating Systems
Windows Server/8/7/Vista/XP, Nexus OS, Cisco IOS-XR, Linux, Unix (Mac OS)
Network Management Tools
MRTG, HP Open view, Cisco WAN manager, Cisco works 2000
Programming Languages
Firm knowledge of Java and PowerShell, Python, Perl
Applications
Wire Shark, Microsoft Service Enterprise, Secure CRT, Putty, Alarm Monitoring Console, MS Ticketing, Office Productivity MS Office Suite, MS Azure, VPN migration, Multipoint Ethernet, SNMP, Router Configuration, SDN, NFV
Microsoft Office
Visio, Excel, PowerPoint, Word
PROFESSIONAL EXPERIENCE:
CKE Restaurant, Anaheim, CA Nov 15 – Present
Sr. Network Engineer
Responsibilities:
•Worked on Cisco Layer 2 switches (spanning tree, VLAN).
•Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
•In depth knowledge on AAA protocol.
•WAN Infrastructure running OSPF & BGP as core routing protocol.
•Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
•Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
•Manage and support Microsoft and Linux Operating Systems
•Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
•Troubleshooting IOS related bugs based on past history and appropriate release notes.
•Worked on different connection medium like Fiber and Copper Connectivity.
•In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
•Planning and configuring the routing protocols such as OSPF, EIGRP, RIP, and Static Routing on the routers.
•Mutual redistribution of OSPF and BGP routes using route maps.
•Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
•Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only), which involves new WAN links.
•Experience with configuring BGP in the data center and also using BGP as a WAN protocol and manipulating BGP attributes
•Performed and technically documented various test results on the lab tests conducted.
•Planning and configuring the entire IP addressing plan for the clients' network.
•Assist the certification team and perform configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, and Gigabit Ethernet.
•Responsible for implementation/installation of LAN/WAN/SAN, Aruba Switches, Aruba Wireless AP’s and Aruba Virtual Controllers.
•Configured Aruba access points troubleshoot connectivity issues with Aruba access points
•Monitoring IP address blocks, Address inventory, DHCP scopes for the inside network infrastructure through IPAM Infoblox.
•Drive SDN Controller integration with Open Stack, VMware, AWS and other cloud platforms.
•Co-author Datasheets for SDN Controller and Applications, review technical documentation
•Integrated Palo Alto next-gen firewalls with overlay VMware NSX SDN network
•Configured port-fast, uplink fast and other spanning tree features.
•Support various Series of Cisco Routers like 7200/7600 series.
•Support Complex 6500 /5500 Series Switches.
•Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
•Experience in working on MPLS networks, Implementation of QOS in MPLS
•Maintain the new VDC feature on the Nexus 7000 switch
•Migration of servers from Catalyst VSS to Nexus VDC/VPC Platform
•Worked on ASA (5540/5550) Firewalls and Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
•Defined SDN and MANO detailed requirements and implementation models and platforms (e.g. VIM, VNFM, NFVO), and open source projects and technologies (e.g. ONOS, ONF, OCP).
•Work with ONOS to break free from the operational complexities of proprietary interfaces and protocols.
•Worked on maintaining carrier-grade features to SDN control plane with ONOS Distributed Core, thus providing scalability, high availability and sharp performance.
•SSL offloading, Cert management and Troubleshooting experience on F5 using TCP and SSL dumps and Wire Shark analysis
•Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.
•Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs
•Experience working with Nexus 7010, 7018, 5020, 2148, 2248 devices.
•Experience working with High performance data center switch like nexus 9000 and Nokia/ALU 7750 series.
•Performed load balancing and application level redundancy by deploying F5 BIG-IP LTM 3900.
Environment: Cisco 6506/4948/4510 switches, Cisco 3660/3845/7609 Routers, VLAN, Checkpoint, F5 Load Balancers, OSPF, RIP, RIRP, BGP, MPLS, HSRP, VRRP, GLBP, ASA 5500, Nexus 2K, 5K, 7K, 9k, Nokia/ALU 7750.
Univar, Redmond, WA Aug 14 – Oct 15
Sr. Network Engineer
Responsibilities:
•Working on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercise and core network repairs.
•Configure and install Aruba wireless controllers and access points.
•Excellent Knowledge on OSI and TCP/IP layers.
•Working in high availability Nexus environment and provide Level 3 network support.
•Configuring, upgrading and verifying the NX-OS operating system.
•Designing and installing new branch network systems. Resolving network issues, running test scripts and preparing network documentation.
•Implemented Positive Enforcement Model with the help of Palo Alto Networks and deployed PAN-5050.
•Java scripting for automation of difficult tasks
•Working with CISCO Nexus 7000, Nexus 5000, and Nexus 2000 platforms
•Good understanding of VoIP implementation and protocols such as H.323, RTP, and SIP.
•Create, assign and provide IP and DNS records for server and application teams using Microsoft DNS server.
•VNF Onboarding, Integration, Validation on Red hat Open Stack platforms
•Used VLAN Trunk Protocol (VTP) while configure a new VLAN on one VTP server
•Establish VPN tunnels using IPsec encryption standards and configure & implement site-to-site VPN, Remote VPN.
•Designed and implemented a spine/leaf data center design, using MP-BGP EVPN control plane for VXLAN overlay
•Configuring HSRP between the 3845-router pairs of gateway redundancy for the client desktops.
•Configuring VRRP & GLBP, VLAN, VTP's, Trunking 802.1Q, STP, Port security on Catalyst 6500 switches.
•Perform wireless site surveys using industry standard tools such as Air Magnet and Cisco & Aruba Switches
•Managed and completed over 100 projects installing/upgrading client's wireless infrastructure to Aruba.
•Utilized Fluke Network's Air Magnet software to conduct wireless surveys, and verify coverage.
•Implement security solutions using Palo Alto PA-5000, Checkpoint Firewalls R75, R77.20 Gaia & Provider-1/MDM
•Install and Configure various Solar Winds Products (NPM, NCM, NPA)
•In-depth knowledge of network monitoring and performance tools such as Solar Winds and Wire shark
•Identify and drive new Customer use cases for SDN Controller and VNF Management Deployments
•Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, Trunking, STP, Inter Vlan Routing, LAN security.
•Worked on updating the SSL certificates to the application URL using the F5 LTM and F5 GTM.
•Configured VoIP using Cisco Call Manager, RTP for real time voice transfer, settings of QoS using CoS Trust Boundaries, call controlling signaling like MGCP, H323 and SIP.
•Experience with ALG (RTP, RTSP and FTP, DNS, HTTP), DHCP.
•Working on Cisco Secure ACS (RADIUS/TACACS+) authentications.
•Utilized Wireshark for implementing enterprise monitoring and configuring F5 Big-IQ, BIG-IP Application Security Manager, Advanced Firewall Manager and BIG-IP DNS, GTM/LTM for the F5 BIG-IP 3900 and 6900 platforms.
•Experience in configuring FCOE using Cisco Nexus 5548, VPC/VPC+ and VDC on Nexus 7010 switches and maintained VRF's in those separate VDC's
•As part of server migration project deployed Cisco Nexus switches and implemented features like FEX Links, VPC, VDC, OTV Fabric Path.
•Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support
•Environment: Cisco Routers, Switches, OSPF, EIGRP, Application Visibility and Control (AVC), Net flow, Access Control Server (ACS), DMVPN, VPN, MPLS, LAN, WAN, ASA, ASR, Solarwinds, Cisco Prime,VMware, Cisco ISE, PfR, NetScaler, F5 Load Balancer, Bluecoat.
J.P. Morgan, Denver, CO May 13 – July 14
Network Administrator
Responsibilities:
Establish Support Enterprise Linux/Unix Systems and other Open source tools
Establish a networking environment by designing system configuration, directing system installation, defining, documenting, and enforcing system standards.
Coordinated with Network Administrator regarding BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of MPLS VPN networks.
Design and implementation of new solutions and improving resilience of the current environment.
Maximizing network performance by monitoring, troubleshooting network problems and outages, scheduling and conducting upgrades and collaborating with network architects on network optimization.
Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
Undertaking data network fault investigations in local and wide area environments
Worked with layer 2 switching technology architecture.
Implemented L2 and L3 switching functionality, which includes the use of VLANS, STP, VTP and their functions as they relate to networking infrastructure requirements including internal and external treatment, configuration and security.
Led CHASE's effort with vendors on orchestration solutions, VNF deployments, attending training from vendors on performance and testing on VNFs
Established a lab environment to test and evaluate NFV solutions
Securing network system by establishing and enforcing policies, and defining and monitoring access.
Support and administration of firewall environments in line with IT security policy
Monitoring and Reporting network operational status by gathering, prioritizing information and managing projects Upgrading data network equipment to latest stable firmware releases Configuration of routing and switching equipment.
Supported core network consisting of Cisco 7200 series routers running multi area OSPF
Worked in F5 Big-IP Load Balancer environment to manage the traffic between 2 web servers in the cloud.
Configuration of firewalls. VPN Configuration and support.
F5 - configured LTM based on client's needs. Utilized to monitor and administer application control.
F5 - created server pools and VIPs, using iRules to direct traffic
Configured F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
Remote support and troubleshooting of on-site engineers and end users/customers during installation.
Experienced in creating MOPS (Method of procedures) and getting them approved from peers to perform configuration changes.
Perform Checkpoint and PIX firewall/IDS design, integration & implementation for Cyber Trap client networks
Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience
Manage over 50 virtual and physical servers in VMware and Hyper-V environments. These include Windows Server 2003 - 2012 and different versions of Linux.
Implemented and documented of decommissioning of servers, off-line servers, online servers (Operating Systems - Windows Servers and Linux), downed servers, networking devices in Data Center.
Utilized Visio Diagram to design Network Architecture for Data Centers
Techno Brain Ltd, Hyderabad, India Oct 10 – Apr 2013
Network Support Engineer
Responsibilities:
•Configuring Static, IGRP, EIGRP, and OSPF Routing Protocols on Cisco 1600, 2600, 2800, 3600, 7300 series Routers.
•Configured, installed software applications, anti-viruses, drivers and security software on user devices, maintained and troubleshoot desktop, laptop and peripheral equipment.
•Lead deployment of software/hardware updates; oversee workstation deployments, and deliver workstation-imaging services.
•Ether channel, Wireless, Spanning Tree (STP), HSRP, VRRP
•Perform routine test for LANDESK functionality Maintain Antivirus Definitions for Kaspersky
•Develop and document network monitoring and problem management procedures, including escalation thresholds, that meet requirements and adhere to defined policies
•Design network and create physical and logical network layout diagrams
•Write and maintain technical documents describing implemented technologies and architecture
•Provided consultation services to clients for installing and configuring Cisco routers and switches
•Configured Site-to-Site IPSec VPN tunnels to peer with different clients and each of client having different specifications of Phase 1 and Phase 2 policies using Cisco ASA 5500 series firewalls.
•Configured VLAN’s, Private VLAN’s.
•Configure various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches.
•Configuring access layer switches such as Cisco 4510, 4948, 4507 switches for VLAN, Fast Ether Channel configuration.
•Configured inside ACL and interfaces, outside ACL and interfaces.
•Configured NAT and PAT policies.
•Configuration and troubleshooting of EIGRP, OSPF, BGP.
•Design OSPF areas for reliable Access Distribution and for Core IP Routing.
Environment: Cisco Routers ASR1002X/3945/3845/2800/3600, Load Balancer (BIG-IP), Cisco ASA Firewalls, STP, VLAN, VTP, VPN, NAT, OSPF, BGP, EIGRP
X Breach Technologies, Hyderabad, India July 08 – Sep 10
Network Tech Support
Responsibilities:
•Documented the company's design, implementation and troubleshooting procedures.
Performed routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment.
• Identify network problems and resolve in accordance incident and problem management services, policies, procedures
•Performed scheduled Virus checks and updates on all servers and desktops.
Got Hands-on experience in maintaining and troubleshooting RIP, OSPF and EIGRP routing protocols.
•VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches.
•Configured RIP and EIGRP on 2600, 2900 and 3600 series Cisco routers.
•Performed IOS upgrades on 2900, 3500 series Cisco Catalyst switches and 1800, 2600, 3600 series Cisco routers using TFTP.
•Worked on installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP).
•Configured Access List (Standard, Extended, and Named) to allow users all over the company to access different applications and blocking others.
•Configured STP for loop prevention and VTP for Inter-VLAN Routing.
•Troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
•Worked on network-based IT systems such as Racking, Stacking and Cabling.
EDUCATION:
Holds a Bachelor’s degree in Electronics and Electrical Engineering from JNTUH
Contact this candidate