SUMMARY

• A CCNA / CCNP Certified professional with over 8 years of experience in Networking and Security, including hands - on experience in providing network support, installation and analysis for a broad range of LAN/WAN/MAN communication systems.
• Detailed understanding of different layer 2 protocols like VLANs, VTP, STP, RPVST, Port Security, and Ether Channels (LACP and PAGP).
• Experienced in Data-CenterNexus 7009, 7018, 5548P, 5596T, 2148T, 2224Tand 6000switches.
• Worked on configuring the Nexus 5K Aggregation Switch and Nexus 2K Fabric Extenders.
• Implemented VDC, VPC, VRF and OTV on the Nexus 5505 and 7009 switches and also implemented VSS on Cisco catalyst 6509 and 6513switches.
• Worked on Cisco 1800, 2600, 3600, 7200 and 7600 routers.
• Experiencedand skilled in configuring Routing Protocols RIP,EIGRP, OSPF and BGPV4 on Cisco routers like 2600, 2900, 3600, 3900, 7200 and 7600 series.
• Designed Redundancy Gateways for Campus Network using HSRP/VRRP/GLBP.
• Hands on experience in configuring and supporting site-to-site and remote access Cisco, IPsec, VPN solutions using ASA/PIX firewalls, Cisco and VPN client.
• Experience in deploying Cisco 6900, 7800, 7900, 8800 and 3900 series VoIP phones.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Responsible for Check Point and Cisco ASA firewall administration across global networks.
• Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
• Worked on F5 LTM, GTM, ASM series like 6400, 6800, 8800 for the Confidential applications and their availability.
• Experience in testing Cisco routers and switches in laboratory and deploy them on site production.
• DMZ zoning & configuring VLANs/routing/NAT with the firewalls as per the design.
• Working experience with 6500 series switches at layer 2 and layer 3.
• Working experience with Wireless LAN Controller (WLC) and Light Weight Access Point (LWAP).
• Experience in configuring and troubleshooting various layer 3 routing protocols like RIP, OSPF, EIGRP and BGP.
• Expertise is maintaining stable STP topology using protocols such as Port fast, BPDU guard, root guard and UDLD.
• Experience in Trunking protocols 802.1q and ISL.
• Good scripting skills in bash and Python.
• Configuring BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Expertise in creating groups and pruning traffic flow using VLAN, VTP, ISL, 802.1Q.
• Familiar with REMEDY for ticket change management process.
• Some knowledge in documentation and updating client’s network documentation using Visio.
• Responsible for up gradation and maintenance of client website with latest networking products and offerings using HTML 5.0 with some amount of java scripting.
• Troubleshooting and monitoring application issues using tools like Wire-shark.
• Excellent inter-personal skills with the ability to work in a team of large members with minimum supervision necessary.
• Experienced in Microsoft Visio creating a detail physical and logical network diagrams.
• Supported Large Frame-Relay, MPLS, E1/T1, ISDN, Analog networks.
• Provided input and recommendations for equipment purchasing to maximize added value and scalability

TECHNICAL SKILLS

Routers: Cisco 7600, 7200, 3800, 3600, 2900, 2800, 2600

Routing Protocols: OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route Filtering, Redistribution, Summarization, and Static Routing, IS-IS, ICMP, FTP, SMTP, HTTP/HTTPS

Application Protocol: LDAP

Switches: Nexus 2K/5K/7K, Cisco Catalyst 6500, 4500, 3850,3560, 3750, 2960; UCS-C, UCS-D, UCS-M, CUCM

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Ether channels, Transparent Bridging.

Network Security: Cisco ASA 5540, ACL, IPSEC,F5 Load Balancer, Checkpoint, Blue Coat, Palo Alto, SCADA, Process Control Domain(PCD)

Juniper Platforms: SRX, MX, EX Series Routers and Switches

Load Balancer: F5 Networks (Big-IP) LTM 8900 and 6400,GTM, Cisco CSM, APM

LAN: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet

WAN: PPP, HDLC, Channelized links (T1/T3), Fiber Optic Circuits, Frame Relay

WLAN: Autonomous AP’s, Lightweight AP’s, WLC, Channels- 802.11b/g; Air Magnet, Ekahau, Map Info

Comm. Protocols: ARP, Wi-Fi, WiMAX, CDMA, 3G

Gateway Redundancy: HSRP and GLBP

DHCP and DNS: Infoblox, QIP

Various Features & Services: IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP, FTP.

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Network Management: Wireshark, SNMP, Solar winds, Confidential Open View, KTLO, Cisco Prime

PROFESSIONAL EXPERIENCE:

Confidential, Menomonee Falls, WI

Senior Security/Network Engineer

Responsibilities:

• Involved in Integration, configuration and maintenance of Cisco Router, Catalyst Switches and Firewalls.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers.
• Responsible for all routing, switching, VPN, network security, and server load balancing.
• Using PBR with Route Maps for route manipulation/filtering. Troubleshooting routing issues like suboptimal routing and asymmetric routing
• Implemented various EX, SRX & J series Juniper devices
• Have created lot of site to site IPSEC VPN tunnel with Checkpoint, Juniper Net screen firewalls and Cisco PIX/ASA firewalls. Completed a project to update the patch HFA50 across all the firewall to overcome the bugs in the existing version of R65.
• Remotely deploying configuration files to devices through python automation.
• Technical oversight for development, implementation, troubleshooting and migration of Avaya CC and UC solutions.
• Experience working with Avaya solutions at architecture, design, configuration and implementation.
• Ability to work on multiple projects at Avaya’s direction.
• Strong Avaya UC and CC experience at solution level spanning multiple Avaya products.
• Integration of Avaya systems with other third-party non-Avaya adjuncts - CRM, Call Recording, Workforce Optimization, AI solutions and others.
• Install and configure Avaya Equinox conferencing management and media servers for audio/video/web conferencing.Integrate Avaya Equinox conferencing servers with System Manager, Session Manager, AADS and Avaya Web Gateway.
• Lead engineering efforts across a wide variety of network security products (e.g. next generation firewalls, intrusion detection/prevention systems (IDS/IPS), VPN, Network Access Control (NAC), SIEM).
• Strong technical expertise in firewalls, next-gen firewalls, network intrusion detection and prevention systems (IDS/IPS), Network Access Control (Cisco ISE), and VPNs.
• Direct experience with managing network security tools NextGen Firewall, IPS/IDS, NAC, and/or SIEM.
• Experience with Security Architectures, Endpoint Security, NextGen Firewall Platforms, Identity Access Management, and Enterprise Segmentation.
• Worked on F5 Enterprise Manager 3.1 version to manage multiple F5 LTM devices from single-pane view.
• Hands on Experience configuring and testing F5 I Rules using Browser (IE), HTTP watch.
• Experience on cloud AWS cloud EC2, S3, RDS, Load Balancer, Auto Scaling with AWS command line interface and AWS python SDK
• Hands-on and management experience specific endpoint security discovery tools such as Armis, ZingBox, Claroty, etc.
• Performing maintenance and sustainment of all DHA Armis components to ensure performance, stability and availability conforming to established service level agreements (SLAs).
• Providing administration and technical support for Armis servers, containers, or other such infrastructure hosted within the AWS GovCloud.
• Providing administration and technical support of physical and/or virtual Armis systems hosted throughout the DHA MecCOI to include site-local Collectors appliances.
• Delivering timely and responsive technical support of all DHA Armis components to address service degradations, interruptions or other such impactful events in accordance with established service level agreement.
• Hands-on experience with python scripting to generate code reviews for bigger changes.
• Worked on F5 LTM series like 1600, 6400 and Viprions for the Confidential applications and their availability.
• Installing and configuring F5 Load balancers and firewalls with LAN/WAN configuration.
• Worked on F5 LTMs & GTMs to improve web application delivery speed and replication through and between distributed global data centers.
• Onboard new resources (security badge, workspace, phone, parking, network access, email, VPN, etc.), manage workspace relocations (location, computers, phones, etc.), communicate workspace usage and needs. Populate the Resource Hub system with requests for new contractors, track for approvals, and generate Work Orders for signature(s)
• Good knowledge on Research, test, document, and perform firmware updates, basic commands, and general patching on a variety of infrastructure devices and appliances to include but not limited to KVMs, Network Switches, Routers, Firewalls, Hyper-V virtual appliances, PDUs, UPSs, infrastructure applications, and other specialized server equipment.
• Experience with Network Switches, Routers, Firewalls, Hyper-V virtual appliances, PDUs, UPSs, infrastructure applications, and other specialized server equipment.
• Responsible for 6500, 3500, Nexus switching, ASA, FWSM Firewalls, CSS and F5 load balancers, Riverbed WAN accelerators, IronPort Proxy, and Linux/Bind DNS servers.
• Configuring various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital s, Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.
• Configured PPP, HDLC, BGPv4, EIGRP, MPLS and OSPF routing.
• Configured CIDR, IP, RIP, PPP, BGP and OSPF routing.
• Skills in creation of data center solution documentation, including artifacts done using Microsoft Visio.
• Experience In Developing and updating Network Diagrams using Microsoft Visio®.
• Solid documentation experience with Visio, Lucid Chart, Word, Excel.
• Fluent with Design and Implementation of Cisco networking technologies, including one or more of the following: Cisco SD-WAN, Meraki, Cisco DNA-C, advanced switching, routing, and firewall technologies.
• Experience installing troubleshooting and configuring Cisco DNA Center environment.
• Experience in network security, demonstrating strong experience with Cisco Prime Infrastructure, understanding of IEEE 802.11 protocols, familiarity with TCP/IP (specifically Layers ¾), and switching and routing protocols (internet standards and general architecture) and associated hardware.
• Hands-on experience with configuring Routers, Switches, VPN, ASA, IPS, NAC, ACS, Cisco ISE, FirePOWER, Cisco NextGen Firewalls, Cisco IronPort (Email Security and Web Security), AAA Model (RADIUS, TACACS+).
• Good General knowledge and experience of NextGen SIEMs (Arcsight, Logrhythm, etc.)
• Experience with Wi-Fi Design and Wi-Fi Planning using Ekahau, Cisco Prime or equivalent software.
• Knowledge in Network Management tools such as SolarWinds Orion, NetBrain, Cisco Prime Infrastructure, Infoblox DDI, Network Performance Management tools such as NetScout, nGeniusONE, StatSeeker.
• Good knowledge in Azure/AWS - B2B/VPC VPN tunnels.
• Cisco Experience on Cisco IOS and NXOS, Cisco ISE, Cisco UCS Networking and Configuration, Cisco ASA.
• Good knowledge and experience with Checkpoint, Palo Alto, Cisco ASA.
• Hands on experience with Cisco (IOS NX-OS, ASA), Checkpoint (IPSO, SPLAT, GAIA), Fortigate, Juniper NetScreen, Juniper JunOs, F5.
• Technical expertise in Microsoft Active Directory 2012/2016 on premise and AD Services in MS Azure, including Users & Computers, Site and Services (Establishing & Managing Trusts), Group Policies, DNS, Federation Services, SSO, and NTFS permissions.
• Experience with other infrastructure disciplines, such as (but not limited to) Storage, Cloud (AWS and Azure), Virtualization / Server Hardware (VMware), Windows Operating systems, Microsoft application suite, and Monitoring solutions a plus.
• Experience with Windows Azure, AWS or other public Cloud technologies.
• SCCM experience - patch deployment/compliance, application deployment, OSD, Azure Cloud Management Gateway.
• Skilled in creating Visio drawings and diagrams of new and existing network infrastructure.
• Configured Juniper MX480s, EX8200s, EX4500s, EX4200s, from scratch to match design.
• Worked with the Trouble Tickets on F5 Load balancers on LTM module
• Switch experience includes Cisco Catalyst switches: CISCO 3750, 4500, 6500 series switches.
• Configuration and maintenance of OSPF protocol which was the enterprise IGP. Configuration included deploying of new branch locations or new network devices in the existing infrastructure. Creating Stub Areas & configuring Summarization for effective Routing.
• Provided technical support for full setup, debugged the problems of OSPF, switching and HSRP.
• Implemented and used SDM to configure Cisco IOS security features and network connection.
• Network Segmentation-application migrations for enterprise Private Data Firewall and data behind ASA 5585-Xs
• Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls for stable VPNs.
• Configured Object Grouping, Protocol Handling and Code up gradation on ASA Firewalls.
• Implementation and maintained intrusion detection/ prevention (IDS/IPS) system to protect enterprise network and sensitive Confidential data. For Fine-tuning of TCP and UDP enabled IDS/IPS signatures in Firewall.
• Design, implement and provide second level support for host load-balancing solutions at SWA.
• Configuration the access-list rules, network object-service group based on well-known port the port i.e. FTP/SFTP, SSH, HTTPS/HTTPS (SSL) and etc.
• Regularly attend Fore Scout Counteract, RES One Workspace, Splunk, and Confidential Big Fix .
• Switching related tasks included implementing VLANs, VTP and configuring and maintaining multi VLAN environment and inter-VLAN routing on Fast-Ethernet channel.
• Worked with different vendors and implement Site-to-Site VPNs over the Internet.
• Negotiate VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Collaboration with Systems Administrators in the architecture and implementation of VMware, Microsoft, Linux and storage environments.
• Familiarity with a broad range of Networking Equipment Design and Configuration: Cisco, Aruba, Confidential, CheckPoint, ASA, Fortinet, SDWAN Principals, QOS Principals.
• Setup, troubleshoot, and understand the VMware vSphere 6.0 (VMware VCP-DCV).
• Hands-on and management experience specific endpoint security discovery tools such as Armis, ZingBox, Claroty, etc.
• Support and run vulnerability management scans of the IT and OT systems (using tools like Tenable Nessus, Qualys, OT specific tools similar to Claroty and Armis).
• Security policy review and configuration in Palo Alto and JuniperSRX Firewall in US offices and Datacenter.
• Worked with Juniper T-Series, M-Series, MX-Series, J-Series Routers.
• Working knowledge of the UNIX and CLI based command to implement the networking tools.
• Configured and monitored Firewall logging, DMZ’s and related security policies.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches, fixes, and all around technical support.
• Good Knowledge of SD-WAN technology and concepts. SD-WAN design and support experience.
• Installing, configuring, and supporting network equipment including routers, switches, SD WAN, Wireless AP & Controllers, and Firewalls.
• Worked on Networking, WAN concepts, SD-WAN and Layer 3 networking concepts.
• Hands-on experience with enterprise SD-WAN vendors such as Silver-Peak, Cisco, Meraki, Versa, Aruba, etc...
• Good Knowledge of SD-WAN architectures and concepts. Expertise with troubleshooting network connectivity, SD/WAN troubleshooting, PCI Compliance, VPN Connections, and Site to Site VPN setup/troubleshooting.
• Configuration of ACLs in Cisco 5540 series ASAfirewall for Internet Access requests for servers in LAN and DMZ and also for special user requests as authorized by management.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-VLAN routing, LAN security.
• Implementing, configuring and troubleshooting routing protocols such as OSPF (v3, v2), RIPv2, BGPv4, EIGRP, HSRP, GLBP and MPLS.

Environment: Cisco Routers, Cisco Switches, Nexus, Routing protocols, Palo Alto, F5, Load Balancer HSRP, VRRP, IPSEC VPN, VPN, QOS, ASA firewall, Python, Load balancer, MPLS, VLANS, VTP, RSTP, ACL, NAT, IDS/IPS, SIP, RTP, RADIUS, TACACS+, Juniper SRX, Juniper M, MX, ASR 9000, Catalyst 6500, CRS, Cisco ASR, UNIX, Firewall FWSM.

Confidential, San Jose CA

Senior Network Engineer

Responsibilities:

• Successfully migrated the cisco legacy environment which consist of 6500, 4500 to Cisco Nexus 7k/5k/2k.
• Migrated old Nokia firewalls to standard Confidential hardware’s.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Security policy review and configuration in Palo Alto and Juniper SRX Firewall in US offices and Datacenter.
• Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper and Palo Alto Firewalls, F5 BigIP Load balancers, Blue Coat Proxies and Riverbed WAN Optimizers.
• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, Bluecoat Proxy and Riverbed Steelhead appliances
• Configuring various BGP attributes such as Local P, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
• Knowledge of Virtual infrastructure using VMware and/or Hyper-V.
• Knowledge of and experience with systems administration of computer systems using Microsoft products (e.g., Active Directory, Failover Cluster Services, Hyper-V, SharePoint, Exchange, SQL Server, Internet Information Services, and Windows 7).
• Experience engineering, implementing, architecting and administering OT security technologies such as Armis, Zingbox, Forescout, Claroty, etc.
• Experience with computer networking (TCP/IP, Ethernet, VLANs), Cisco IOS; Cisco NX-OS and/or JUNOS; enterprise and/or datacenter applications such as Microsoft AD, LDAP, DNS, SMTP; and datacenter infrastructure such as VMware, Cisco UCS, SAN.
• Experience with VMWare, CentoOS v7, Syslog, SSH, BASH Scripting,
• Cisco WAN routing - ISR/ASR, Cisco Switching - IOS/NXOS,Cisco ASA Firewalls/IPSEC Tunnels - AnyConnect and B2B peer-to-peer tunnels .
• Good knowledge of Tripwire, Digital Guardian, Confidential Guardium, ZScaler, and MS ATP.
• Experience in routing/ switching, WAN/MPLS/VPN, SD-WAN, Cisco ACI, WLAN, Load Balancing, security infrustracture,and Zscaler.
• Working experience and relevant s with major network security platforms such as Palo Alto, Checkpoint, ZScaler, Fortinet, Cisco, etc.
• Experience working with secure web gateway technologies such as ZScaler, Symantec, etc.
• Worked extensively in Configuring, Monitoring and Troubleshooting Juniper security appliance, Failover DMZ zoning & configuring VLANs/routing/NATTing with the firewalls as per the design.
• Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPsec/GRE to GetVPN.
• 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.
• Planning, Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Involved in Configuration of Access lists (ACL) on Juniper and Palo Alto firewall for the proper network routing for the B2Bnetwork connectivity.
• UDLD, Spanning Tree Protocol 802.1d, 802.1s and 802.1w.
• Experience of IP/MPLS/Optical Transmission network for access transport & back haul network to Facilitate 2/3/4G Network.
• Understanding of mobile backhaul network on IP, Ethernet, ATM, PW & TDM.
• Have completed two Business integrations with a very strict time line and gained some very good knowledge in understanding the road blocks in Network integration and feasible methods to fix it.
• Have maintained Riverbed for the North American offices.
• I maintain a data collection environment build of ISG1000 Clustered environment at the central site and SSG5/SSG20 at the remote site. This is an IPSEC tunnel environment of 600 sites and my primary responsibility is to maintain, install and troubleshoot. I configure and ship out Juniper SSG5/SSG20 for remote sites.
• Also SPOC for the Data center across NA, Canada and Mexico. This environment has a primary Frame-relay link backed up by the IPSEC tunnel built over 5510 and 5505 for remote sites. I configure and ship out devices for any new installation, moves and troubleshoot any day to day issues. I also maintain a F5, Link proof and Checkpoint firewall in addition to 3500 switches and core 6513 switch for the switching environment.

Environment: Cisco Routers, Cisco Switches, Cisco Nexus 7k/5k/2k, IPSEC, MPLS, VLANSVTP, RSTP, ACL, NAT, IDS/IPS, firewalls, Nokia, Confidential, Nexus Switches, Palo Alto, F5 BigIP Load balancers, Cisco ACE load balancers, Python, Blue Coat Proxies, Riverbed WAN Optimizers, Data center, Spanning Tree, Checkpoint Juniper Routers, Juniper SRX, Network2/3/4G.

Confidential, Columbus, OH

Network Engineer

Responsibilities:

• Involved in configuring Site-to-site and remote access VPN solutions.
• Installed and configured Cisco 7200 series router and Cisco 2950, 4500, 6500 Series switches.
• Configured network using routing protocols such as RIP, OSPF, and BGP and troubleshooting L2/L3 issues.
• Worked on multiple projects related to Branch networks, Campus networks, extranet clients and Data Center Environments involving in data center migrations from one data center to another.
• Hands-on leadership of voice projects and teams related to Avaya Aura unified communications deployments. 2+ years Avaya Aura System Manager 7.x., Avaya Aura Session Manager 7.x, Avaya Aura Communications Manager 7.x, and Avaya Aura Media Server 7.x. 3+ years Avaya Voice Gateways include G650, G450 and G430.
• Deploy, Install, Configure and Daily maintenance of the following Avaya Products.Avaya Aura System Manager (SMGR)Avaya Aura Session Manager (ASM)Avaya Aura Communication Manager (CM)Avaya Aura Media Server (AMS)Avaya Equinox Management for conferencing Avaya Session Border Controller Enterprise (ASBCE).
• Avaya Breeze with Presence and Multimedia Messaging plugins,Avaya Equinox clients for Windows, Mac, Android and iOS,Avaya Equinox Management for conferencing,Avaya Aura Device Services (AADS),Avaya Equinox clients for Windows, Mac, Android and iOS.
• Provided estimated bandwidth requirements for data replication, to best determine adequate timing for migration service levels
• Created data migration strategies to help with completion of migration of data center from one point to another.
• Configuration of Cisco 6500 (sup 720), 4500 (SUP 6) & 3750 Catalyst Switches for network access.
• Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Time to time upgrade network connectivity between branch office and regional office with multiple link paths and routers running HRSRP, EIGRP in unequal cost load balancing to build resilient network.
• Design and implement Catalyst/ASA Firewall Service Module for various LAN’s.
• Key contribution includes troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF, & BGP.
• Troubleshoots in Cisco Aironet 2700 and 600 series.
• Configured Client VPN and RSA Token ID technologies including Cisco’s VPN client via IPSEC.
• Configuring ACL to allow only authorized users to access the servers.
• Participated in on call support in troubleshooting the configuration and installation issues.
• Installation, maintenance, troubleshooting local and Wide Areas Network (ISDN, Frame relay, DDR, NAT, DHCP, TCP/IP).
• Provided technical support in terms of upgrading, improving and expanding the network.
• Providing technical security proposals, detailed RFP responses, and security presentation, installing and configuring ASA firewalls, VPN networks and redesigning customer security architectures.

Environment: Cisco 3750/3550/3500/2960, switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, F5 Load Balancer Cisco Nexus7K/5K, Checkpoint,Cisco ASA.