Engineer Security

Kumar Battula

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

Phone: 719-***-****

NETWORK & INFORMATION SECURITY ANALYST

PROFESSIONAL SUMMARY:

8+ years of extensive knowledge on Network & Information Security. Solid understanding of Design, Implementation, Administration, Operational and troubleshooting of enterprise data networks.

Strong hands-on experience on IBM QRadar, RSA Netwitness, Proof Point, Rapid7, Palo Alto, Checkpoint Firewall R77, and Cisco ASA firewalls.

Involved in migration of 22 different log sources from IBM QRadar to RSA Netwitness by working with multiple vendor companies.

Expertise in Configuring Policies and Maintaining PaloAlto Firewalls along with troubleshooting using firewall logs.

Responsible for setting up the infrastructure environment with majority of Cisco & PaloAlto appliances.

Expert level knowledge in firewall rule audit and optimization using Algosec.

Migration of the firewall rules from Cisco ASA, Checkpoint to Palo Alto firewalls using migration tool from Pan.

Strong knowledge on mitigation of DoS attacks on Cisco and Palo Alto firewalls.

Extensive knowledge on Security breach analysis using Kill Chain process.

Extensively worked on different flow feeds like Cisco Netflow and Juniper Jflow.

Extensive knowledge on FireEye inspection, utilizing Wildfire for mitigating zero-day attack’s.

PaloAlto design and installation (Application and URL filtering (PAN-DB), Threat Prevention, Data Filtering).

Implementation of IPSEC and SSL VPN's on PaloAlto, Cisco ASA Firewall.

Profound knowledge in AAA configuration using TACACS+ & RADIUS server.

Managed all network hardware and dealt with the DOS attacks and zone flooding attacks.

Configured Cisco ISE for Wireless and Wired 802.1x Authentication on Cisco Wireless LAN Controllers, Catalyst Switches, and Cisco ASA Firewalls.

Decent knowledge of operations within AWS (EC2, S3, IAM, VPC, Direct Connect, Route53).

Worked on F5 BIG-IP LTM 8900, Citrix Netscalar configured profiles, provided and ensured high availability.

Implementing security policies using ACL in Switches, Routers.

Experience in implementing site-to-site and remote access VPN Technologies using GRE, IPSEC & MPLS.

Responsible for designing and deploying various network security & high availability products like Cisco ASA.

Design and Implementation of LAN, WAN, VLANs, VTP, Spanning Tree (STP), Trunking and Ether channel.

Implemented various Switch Port Security features as per the company's policy.

Decent knowledge with SOC (Security operation Center) operations, and NOC (Network operation Center) operations, especially resolving a ticket raised by the security team.

Resolved tickets raised by the SOC teams by analyzing the traffic with the help of SIEM tools like QRADAR, SPLUNK, RSA Netwitness.

Solid knowledge on Proxy Servers (Forward Proxy, Reverse proxy) such as Bluecoat Proxy Server.

Decent knowledge on the upcoming concepts of IoT (Internet of Things). And usage of Infoblox to identify all the connected devices to the network.

Expert level knowledge of Cisco network security (IDS, NIPS ASA 5500 Firewall), network redundancy (HSRP, GLBP and VRRP).

Segmented all the Network in order to prevent Data leak from one zone to another.

Worked on network monitoring tools such as Solar Winds.

Extensive experience in configuring Layer3 routing and layer2/3 switching of Cisco based nexus 7K,5K,2K& 800ISR series Switches & routers.

Technical Skills

NETWORKING CONCEPTS

OSI, TCP/IP, UDP, IPV4, IPV6, VLSM, FLSM, CIDR.

SWITCHING PROTOCOLS

VLAN, VTP, STP, PVST, MVST, INTER VLAN, LAYER 2,3.

ROUTING PROTOCOLS

BGP (IBGP, EBGP), STATIC, DYNAMIC (RIP, EIGRP, OSPF, ISIS )

LOAD BALANCERS

F5(LTM, GTM), F5(BIG -IP)

REDUNDANCY PROTOCOLS

FHRP (HSRP, VRRP, GLBP)

WAN

MPLS, GRE, MGRE, VPN, DMVPN

FIREWALL

PALOALTO, CISCO ASA, CHECKPOINT

SECURITY

IKE, IPSEC, SHA-2, PSK, SSL-VPN

TOOLS

SIEM (QRADAR, RSA Netwitness SPLUNK, HPARCSIGHT) WIRESHARK, TCPDUMP, SOLARWINDS,

LANGUAGES

IOS, PANOS, MATLAB, HTML, PYTHON

AUTHENTICATION

TACACS+, RADIUS, AAA

OPERATING SYSTEM

WINDOWS 7,8,10, LINUX. JUNOS, IOS

Educational Information:

Master of Science from Texas A&M University Kingsville in Electrical Engineering.

Bachelor of Technology from Jawaharlal Nehru technological university Hyderabad in Electrical & Electronics Engineering.

Certifications:

Proof Point Accredited Administrator: Information Protection.

Proof Point Accredited Administrator: Email Protection.

SECURITY ANALYST August 2017- Present

Ahold Delhaize (Food Lion)- Charlotte, NC

Responsibilities:

Developing the migration sequence for log sources to be moved to RSA Netwitness from IBM QRadar.

Performing the Pilot tests before moving the log sources from QRadar to RSA Netwitness with the help of QA teams and validating the Parser issues for each log source.

Validating all the logs coming from multiple logs sources to RSA Netwitness with the help of ESA.

Running all the system and health reports and making the custom rules for triggering alerts.

Responsible for raising all the firewall change tickets in the information security department and working with the Network/network Security teams to get them done.

Scanning entire environment for SQL injections of malware, spam, and viruses by using the Appspider application.

Performing vulnerability scanning using Rapid7 to identify the potential vulnerabilities across the environment and informing the concerned departments to act on it.

Running the weekly and monthly reports, scanning the entire environment on weekly, monthly basis and pushing all the reports to management.

Scanning all the inbound and outbound emails for malwares, spam, virus and quarantining the infected emails by using the Proof Point.

Configuring threat response and auto pull(TRAP) for identifying potential threats in the emails and integrating that to Proof Point.

Performing the health check of RSA Netwitness with the help of professional services from EMC2.

Configuring Blue Coat Content Analysis and malware Analysis, scanning all the packets passing through the proxies.

Developing Validation procedures for migration of QRadar data to Splunk.

Developing Validation procedures for back out of failed migration of QRadar data to Splunk.

Determining the migration sequence for log sources to be moved.

Analyzing QRadar rules and building blocks to determine rule dependences and requirements.

Analyzing QRadar rules to improve functionality.

Performing a comparison of QRadar log sources and HIPAA devices to determine if any HIPAA devices were not reporting to QRadar (39,000 QRadar log sources and 3000 Compliance log sources) over 1000 devices were missing from QRadar.

Collecting QRadar data from 22 device types and over 2000 event types to determine what data should be filtered at the Splunk syslog server.

Creating the regular expressions to be used by Splunk to filter QRadar events.

Collecting several weeks of QRadar events to be used to show the reduction of events going to QRadar after the migration.

Performing on going analysis of QRadar events to find additional events that should be filtered by Splunk.

Participating in tests of Splunk to QRadar data transmission to help troubleshoot Splunk issues.

Worked with Palo Alto firewalls PA3060, PA5060 using Panorama servers, performing changes to monitor/

block/allow the traffic on the firewall.

Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools.

Configured routes on Palo Alto firewalls 3060, 5060, 7050.

Configuring TACACS+, LDAP, and RADIUS for Cisco ASA and Palo Alto firewalls.

Integrating Panorama with Palo Alto firewalls, managing multiple Palo Alto firewalls using Panorama.

Palo Alto App ID migration from the legacy based port rules for PA 5060, 7050.

Palo Alto SSL decryption installation and configuration on PA 3060,5060, and 7050.

Successfully installed Palo Alto PA-3060 firewalls to protect Data Center and provided L3 support for routers/ switches/firewalls.

Palo Alto design and installation (Application and URL filtering, Threat Prevention, Data Filtering).

Configured and maintained IPSEC and SSL VPN's on Palo Alto Firewalls.

Implemented Zone Based Firewalling and Security Rules on the Palo Alto Firewall.

Configure policies on the Bluecoat VPM, local database and PAC files to filter the traffic flow by creating

custom rules, URL filters (PAN-DB) and routing policies.

Implementing and configuring F5 LTM's for VIP's and Virtual servers as per application and business requirements.

F5 configuration, installation, and monitoring with F5 APM.

Administration on Big IP F5 LTM for all Local Load balancing and use GTM for load balancing across Data Centers.

configuring the DNS server to delegate wide IP-related requests to the BIG-IP GTM for name resolution.

Environment: IBM QRadar, RSA Netwitness, Splunk, Proof Point, rapid7, Appspider, Carbon Black, Palo Alto, Blue Coat Proxies, F5, ServiceNow.

SR. NETWORK SECURITY ENGINEER January 2016- 2107July

CenterPoint Energy- Houston, TX

Responsibilities:

Responsible for firewall rule set migration from Cisco ASA, Checkpoint to newly implemented Palo Alto.

Worked with Palo Alto firewalls PA3060, PA5060 using Panorama servers, performing changes to monitor/

block/allow the traffic on the firewall.

Configuring rules and Maintaining PaloAlto Firewalls & Analysis of firewall logs using various tools.

Configured routes on PaloAlto firewalls 3060, 5060, 7050.

Configuring TACACS+, LDAP, and RADIUS for Cisco ASA and PaloAlto firewalls.

Integrating Panorama with PaloAlto firewalls, managing multiple PaloAlto firewalls using Panorama.

PaloAlto App ID migration from the legacy based port rules for PA 5060, 7050.

PaloAlto SSL decryption installation and configuration on PA 3060,5060, and 7050.

Addition and removal of services from virtual server configuration on Citrix Netscalar load-balancer.

Configuring and integrating Network Access Devices(NAD), profiles and polices on Cisco ISE.

Configuration of High Availability (HA) for inline Cisco ISE appliances.

Maintaining SSL certificate on Citrix Netscalar load balancer and managing the virtual servers

Diagnose and analyze escalated incident requests pertaining to endpoints accessing hosted and managed applications via Citrix XenApp (5.0, 6.5), two factor authentication and Web VPN to meet Service Level Agreements.

Implemented Positive Enforcement Model with the help of PaloAlto Networks.

Researched, designed, and replaced aging Checkpoint firewall architecture with new next generation PaloAlto appliances serving as firewalls and URL and application inspection.

Successfully installed Palo Alto PA-3060 firewalls to protect Data Center and provided L3 support for routers/ switches/firewalls.

Responsible for setting up the infrastructure environment with majority of Cisco & PaloAlto appliances apart from various other equipment.

PaloAlto user-identification implementation with KIWI server user PaloAlto user-id agents.

PaloAlto integration with VMware Virtual Desktop infrastructure.

PaloAlto upgradation and degradation.

Exposure to wild fire feature of PaloAlto.

Configured VLAN trunking with PaloAlto interface.

PaloAlto design and installation (Application and URL filtering, Threat Prevention, Data Filtering).

Configured and maintained IPSEC and SSL VPN's on PaloAlto Firewalls.

Implemented Zone Based Firewalling and Security Rules on the PaloAlto Firewall.

Configuring, Administering, and troubleshooting the Checkpoint, PaloAlto, Imperva and ASA firewall.

Configure policies on the Bluecoat VPM, local database and PAC files to filter the traffic flow by creating

custom rules, URL filters (PAN-DB) and routing policies.

Build and configure Active/Standby Failover on Cisco ASA with Stateful replication.

Writing the rules and policies for IBM QRadar.

Validating the Building blocks of QRadar and monitoring the Network activity and log activity.

Troubleshooting various network security related issues using Cisco SDM.

Managing networks and servers in AWS. Specifically creating VPC’s, launching EC2 instances and creating private and public subnets, Auto Scaling, ELB, S3, Cloud Front, Route 53, Cloud Watch, Cloud Formation, SQS, SNS.

Working on the project of F5 LTM and GTM code upgrade project, doing couple of them every week.

Worked on F5 VIPRION 4800 series BIG IP devices, configured VIP's with HTTP/SSL profiles, pools,

configured iRules and ensured high availability.

Balancing traffic to tune and distribute server load on the network for scalability in Local Traffic management.

Off-loading standard server tasks, such as HTTP data compression, SSL authentication, and SSL encryption to improve server performance. Monitoring the health and performance of servers on the network for availability in LTM.

configuring the DNS server to delegate wide IP-related requests to the BIG-IP GTM for name resolution.

Review and Provide Subject Matter Expert guidance in the design and installation and implementation of two data center rollout of the Sourcefire NGIDS/IPS.

Oversee and coordinate all activities of SOC personnel supporting the security of critical production environments using Nitro, Sourcefire, Proxy, IaaS/SaaS.

Inspection, URL filtering, and configuration and troubleshooting of Sourcefire /Firepower products.

creating A record, NS record, CNAME (canonical name) records for web application in global traffic management.

Configured AFM (Advanced Firewall Manager) a licensed module for the BIGIP appliance that provides stateful firewalling along with reporting and DoS protection.

Worked on FireEye for inspection of common attacks that enter our network.

Experienced working with design and deployment of MPLS Layer 3 VPN cloud, involving VRF, Route Distinguisher (RD), Route Target (RT), Label Distribution Protocol.

Implementing and configuring F5 LTM's for VIP's and Virtual servers as per application and business requirements.

F5 configuration, installation, and monitoring with F5 APM.

Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.

Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.

Responsible for company’s Cisco ASA firewall administration across our global networks.

Provided Level-3 Network support for Cisco Switches and Cisco ASA 5500 Series Security Appliances.

Configuring and Troubleshooting Cisco Firewall/ASA, Checkpoint FW, Bluecoat ProxySG and Cisco IronPort.

Installed and tested Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.

Worked in NOC, SOC teams to solve the network issues. Resolved the issues raised by the network and security teams with the help of SIEM tools.

Worked on SIEM tools (IBM QRadar/HP Arcsight) to protect organization from threats and cybersecurity attacks.

Experienced on analyzing the enterprise logs with the help of security information and event management technologies.

Configured Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210.

Supported on Cisco Nexus 5000 and Nexus 7000 Series Switch fabric links.

Configured Network Security policies to ensure that all the network is segmented in the way that no data leak happens from one zone to another.

Experience in configuring Network Security access control on switch infrastructure and apply policies like User Authentication.

Designed and implemented IT security policies and networked backup systems.

Configured route redistribution between OSPF and EIGRP in a multi-area OSPF network.

Implemented Hot Standby Router Protocol (HSRP) by tuning parameters like preemption.

Monitoring links and configuration management using Solar Winds and NMAP.

Maintained, configured, and installed Cisco routers and switches: 7500/catalyst 6500/RV320/2960/catalyst 3550/12410, 12816, 1204 series, Nexus 7k and 5k, WLC, and ASA 5540.

Environment: Cisco routers and switches: 7500/catalyst 6500/RV320/2960/catalyst 3550/12410, 12816, 1204 series, Nexus 7k and 5k, WLC, and ASA 5540. PaloAlto firewalls 3060, 5060, 7050. Cisco Nexus 5000 and Nexus 7000 Series Switch.

Sr. NETWORK & SECURITY ENGINEER August 2014- 2015 December

University of Pennsylvania- Philadelphia, PA

Responsibilities:

Implementing and maintenance of network design, structure, up gradation and configuration of routers and switches at the client server for 400+ users.

PaloAlto installation, configuration, administration, monitoring and implementing the policies

PaloAlto design and installation (Application and URL filtering, Threat Prevention, Data Filtering).

Work on Checkpoint Platform including Provider Smart Domain Manager. Worked on configuring, managing, and supporting Checkpoint Gateways.

Maintained, configured, and installed Cisco ASA 5520 Firewall.

PaloAlto user-identification implementation with KIWI server’s user PaloAlto user-id agents.

PaloAlto integration with VMware Virtual Desktop infrastructure.

PaloAlto up gradation and degradation.

Configured VLAN trunking with PaloAlto interface.

Configured routes on PaloAlto firewalls 3060, 5060, 7050.

Configuring TACACS, LDAP, and RADIUS for Cisco ASA and PaloAlto firewalls.

Integrating Panorama with PaloAlto firewalls, managing multiple PaloAlto firewalls using Panorama.

PaloAlto App ID migration from the legacy based port rules for PA 5060, 7050.

PaloAlto SSL decryption installation and encryption.

Monitoring the Log activity and working on the offenses developed in QRadar.

Tuning the QRadar with advanced rules and policies, validating the global rules and local rules.

Worked on Citrix NetScaler load balancer for load balancing and failover across data center and between web servers.

Configuring rules and Maintaining PaloAlto Firewalls & Analysis of firewall logs using various tools.

Implementing and configuring Static, RIP and OSPF protocols on Cisco Routers.

Worked using routing protocols EIGRP and BGP based company network for resolving level 2 and 3 issues.

Performed troubleshooting and management of OSPF and BGP protocols on routers.

Maintaining redundancy on Cisco 2600, 2800 and 3600 routers with HSRP.

Worked on IP addressing based on sub netting and Variable Length Subnet Mask.

Supporting customers with the configuration and maintenance of PIX and ASA firewall systems.

Monitoring the routing traffic using Cisco 2000 and Wireshark.

Configuring Spanning tree, VSTP, VLAN, SNMP on EX series switches.

Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.

Provided Tier2 LAN and WAN operational support to network call center, supporting the remote, domestic and international offices.

Providing technical support in LAN and WAN connectivity and hardware issues in the complex network system.

Connecting various routing and switching devices with CAT 5/ 5E cabling.

Hands on experience on SIEM tools (IBM QRadar/HP Arcsight) to protect organization from threats and cybersecurity attacks.

Experienced on analyzing the enterprise logs with the help of security information and event management technologies.

Used F-5Load balancers to increase capacity (concurrent users) and reliability of applications.

Experience with configuring Virtual Server and Configuring Load balancing methods in F5 LTM.

Installing of NOC [Network Operation Center] monitoring server to establish a 99.9 uptime standard.

Installing SOC (Security operation Center) and monitoring the traffic with SIEM tools. And resolved errors or tickets raised by the security department.

Environment: Cisco 2600, 2800 and 3600router. F-5Load balancers. PaloAlto firewalls 3060, 5060, 7050. Cisco ASA 5520 Firewall.

NETWORK AND SECURITY ENGINEER February 2012- 2014 June

Xebia usa Inc- Boston, MA

Responsibilities:

Hands on experience on all software blades of checkpoint firewall.

Configuring VPN, clustering, and ISP redundancy in Checkpoint firewall.

Configuring, maintaining, and troubleshooting IPS and IPS-1 in Checkpoint.

Configured redundant interfaces, DHCP server, DHCP relay, ntp settings, and sub interfaces on firewalls.

Built and support VRRP / Cluster based HA of Checkpoint firewalls.

Perform Checkpoint and PIX firewall/IDS, NIPS design, integration, and implementation for Cyber Trap client networks.

Perform advanced troubleshooting using Packet tracer and tcpdump on firewalls.

Implement changes on switches, routers, load balancers (F5 and CSS), wireless devices per engineer’s instructions and troubleshooting any related issues.

Administration on Big IP F5 LTM for all Local Load balancing and use GTM for load balancing across Data Centers.

Security Device - PaloAlto/ASA Firewalls, Sourcefire IPS/IDS, NIPS, VPN.

Configuring ASA for NAT (Static PAT/Manual NAT) to enable remote access for sites by doing Port redirection. Configuring various VPNs like IPsec Site to Site, SSL VPN.

Extract the logs, perform real time log analysis using SIEM technologies and Forensics Analysis of logs as per the request.

Deploying Cisco WSA and Bluecoat ProxySG (Web Security Appliance) S170 for URL Filtering Policies.

Configuring, Administering, and troubleshooting the Checkpoint, PaloAlto, Imperva and ASA firewall.

Configuring rules and maintaining PaloAlto firewalls and analysis of firewall logs using various tools.

Troubleshooting the VPN tunnels by analyzing the debug logs and packet captures.

Automation of security operations and optimizing the usage of infrastructure.

Configuring and testing Multicast for both IPv4 and IPv6 routing in Data Center Environment.

Configuration of SSL VPN through access blade and up-gradation of Firewall.

Participated in Pfizer Legacy Data Center Network Infrastructure Transition and Disaster Recovery Center transition for various locations.

Works closely with Customers in determining the business needs for a Project and build Detail design which includes Data Flow diagram, Logical and Physical Diagram.

Planning, designing and implementing a secure ODC Network setup for upcoming projects.

Resolving the requests triggered by the network analysts with the help of tools such as BMC Remedy automatically or manually.

Environment: Checkpoint firewall. Cisco WSA and Bluecoat ProxySG (Web Security Appliance) S170. F5, CSS load balancers. ASA firewall. Big IP F5 LTM. DHCP server. Packet tracer and tcpdump.

NETWORK ENGINEER November 2009- 2012 January

Genpact- Hyderabad, IND

Responsibilities:

Deployed in building the Datacenter right from the scratch, turning up devices and getting into Production.

Performing network deployment & troubleshooting tasks such as creation and management of VLANs, port security, trunking, STP, RPVST+, Inter-VLAN routing and LAN security.

Working with Cisco catalysts switches that include 3750, 4500 and 6500 in multi VLAN environment for implementation of inter-VLAN routing, 802.1Q trunking and Ether channel.

Performing OTV to extend L2 VLANs between data centers over IP on Nexus7018 switches.

Hands-on experience with BGP multi-homing and configuration of Peer-Groups, Route maps.

Network Design and Deployment of MPLS cloud - Designed, constructed, implemented, tested and launched various network nodes featuring BGP, OSPF, MPLS and VLANS using RSTP, gateway redundancy protocols HSRP, GLBP and VRRP.

Configuring/troubleshooting various routing protocols like OSPF, EIGRP, BGP on Cisco router series including2900, 3600, 3900, 7200, 7600.

Expertise in installing, configuring and troubleshooting Juniper EX Switches (EX3200, EX4200, EX4500, EX8200) series.

Managing and configuring of Access lists, configuring of Wide Area Networking Protocols, HDLC, PPP, Frame Relay, NAT, HSRP and VPN.

Implementing redundancy with HSRP, Ether channel technology (LACP, PAGP) etc.

Deploying Nexus 2248TP GE Fabric Extenders switches in Server Farm environment with VPC&VDC features.

Performing 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.

Configuring Cisco Catalyst 2900, 2960, 3560, 3750, 4500, 4900, 6500 series and Nexus 2248, 5548 and 7010 switches.

Testing various BGP attributes like AS Path, local preference, MED, Weight and replicated customer issues in the testing environment lab.

Overseeing the VPN configuration providing secure access to the users.

Implementing Firewall policies on Cisco ASA5500.

Working withF5 BIG-IP LTM 3900, configured profiles and ensured high availability.

AAA implementation for network device management with TACACS+ and Radius server.

Implementing on Policy Base Routing (PBR).

Preparing engineering documents and network diagrams in Microsoft Visio.

Environment: Cisco ASA5500. Cisco Catalyst 2900, 2960, 3560, 3750, 4500, 4900, 6500 series and Nexus 2248, 5548 and 7010 switches. Cisco router series including2900, 3600, 3900, 7200, 7600. Legacy Catalyst 6509 with SUP-720, Nexus 7k with SUP-2E.

NETWORK SUPPORT ENGINEER June 2008- 2009 October

Sify Broadband- Hyderabad, IND

Responsibilities:

Handled Plans, coordinates, implements and supports the LAN / WAN hardware, software and Internet / Intranet integration network connectivity, diagnose network failures and resolve any problems.

Assisted in network engineering efforts consistent with the infrastructure of an Internet Service Provider and support of such network services. Helped in designing and implementation of VLAN for the new users.

Worked on Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting with customer LAN /MAN.

Configured VLAN's, VTP's, enabling trunks between switches.

Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.

Worked on Configuring, managing, and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).

Handled Troubleshoot Frame Relay; T1, T3, IP and OSPF related router and circuit issues.

Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on call tech as needed for client.

Tested, Monitored, troubleshoot, and resolve Frame Relay, ATM, MLPPP, PPP, and Dial-up.

Worked on installation and configuration of various types of Personal Computers and Printers. Installation of different operating systems on Intel based PC's.

Documented and Analyzed log of Cisco PIX series firewall.

Excellent Troubleshooting Skills and Customer Centric approach.

Environment: Cisco 3640 to Cisco 2811 ISR routers. switches at access level to 2950, 3550. Cisco router-7200, 6500, 4500, 1700, 2600 and 3500 series.

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