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Network Security Engineer Resume

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Greensburg, IN

SUMMARY:

  • Experience in Networking, including hands - on experience in IP network design, installation and analysis.
  • Network Professional wif 6 Plus years of experience in Designing and troubleshooting LAN, WAN, MPLS in Branch, Campus and Data Center environments.
  • Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and Dynamic routing protocols such as EIGRP, OSPF, BGP; ability to interpret and resolve complex route table problems.
  • Hands on experience and implemented, deployed teh CISCO ISE 3595 Physical Appliance.
  • Implemented and Supported in teh network design and Checkpoint Firewalls and supported teh Routing issues.
  • Implementation of traffic filters on Cisco routes using Standard, extended Access list.
  • Expert Level Knowledge about TCP/IP and OSI models.
  • In-depth expertise in analysis, implementation, troubleshooting & documentation of LAN/WAN
  • Architecture and good experience on IP services.
  • Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altewir during various planned network changes on teh network.
  • Configuring RIP, OSPF and Static routing on CISCO/Juniper EX/MX/SRX series Routers.
  • Configuring and testing Multicast for both IPv4 and IPv6 routing in Data Environment
  • Troubleshooting Firewall Connectivity related issues using Smart view tracker on Checkpoint, NSM Log viewer for Juniper Firewalls.
  • Worked wif Cisco ASA 5500-X wif Firepower services, Firepower 4100 and Palo-alto Next-Gen PA-5000 Firewalls implementing and managing NAT, IPsec, site-to-site and remote VPNs, advanced inspection, anti-spoofing and AAA policies
  • Configured rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools for Editing and Changing Palo Alto Polices and Monitoring threats on firewalls.
  • Analyzed traffic pattern and implemented URL filtering using teh Palo Alto Firewall. Troubleshooting and configuring Palo Alto FW's 3060 & 5060.
  • Expert level knowledge of MPLS and its applications (VPLS, L2VPN, L3VPN, NG-MVPN, EVPN, MPLS-TP, Seamless MPLS) along wif different vendor specific standards. Strong knowledge base in teh design and deployment of Blue Coat Proxy SG and Checkpoint firewalls.
  • Implementing security policies using ACL, ASDM, IPSec, VPN, and AAA Security on different series of routers
  • Experience wif F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for teh corporate
  • Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall.
  • Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall.

TECHNICAL SKILLS

Router platforms: Cisco routers (7600,7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900, 6807 series), Nexus 7K, 5K, 2K & 1K.

Switch platforms: Cisco 2900XL, 2950, 2960, 3560, 3650,3750,3850, 4500 and 6500, Nexus (2K, 5K, 7K and 9K)

Networking Concepts: Cisco ISE, Access-lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPSec, VLAN, VPN, WEP, WAP, MPLS, VoIP, Bluetooth, Wi-Fi Firewall Juniper Netscreen 6500, 6000, 5400, Juniper SSG, SRX5600, SRX5800, CheckPoint (NGX, R65, R70 and R71), Cisco Firewalls (ASA 5505, 5506-X, 5585), Palo Alto Networks (PA-2K, PA-3K and PA-5K).

Network Management/Monitoring: Solar winds, HP NNMi 8xi (Network Node Manager), Net flow

Load Balancers: F-5 BIG-IP LTM 2000, 3900, 5000, 6400, 6800 AND 8900, Bluecoat SG8100, AV 510.

Security Protocols: IKE, IPsec, SSL, AAA, Access-lists, prefix-lists, SSL-VPN

Networking Protocols: RIP, OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLS, HSRP, VRRP, GLBP, TACACS+, Radius, AAA, IPv4 and IPv6Operating System: Windows 7/XP, MAC OS X, Windows Server 2008/2003, Linux, Unix

PROFESSIONAL EXPERIENCE

Confidential, Greensburg, IN

Network Security Engineer

Responsibilities:

  • Supported wif teh Cisco IOS & IP Routing of all routing protocols and WLAN Controller and Anchor Management wif required updates and configuration changes required for HMIN network infrastructure.
  • Worked on teh Layer 3 Design and implementation of teh new projects wif architecture and technical solutions and supporting HMIN wif enterprise networking and analysis of IP Traffic Flow.
  • Lead teh Cisco NAC (ISE) Project wif teh implementation in HMIN Network Environment.
  • Worked on Cisco ISE Appliance and performing various test results for teh visibility of teh endpoints as required.
  • Created and implemented teh rules and policies for teh autantication and authorization of teh endpoints and also creating teh necessary profiling devices required for teh endpoints.
  • Worked wif HLD & LLD for teh Cisco NAC (ISE) Project and also implemented teh test plan document for teh Cisco ISE wif coordinating teh Cisco Engineer.
  • Worked on Cisco Identity Services Engine (ISE) implementation design, configuration, and deployment
  • Configured and created teh certificates in teh Cisco ISE 3595 Physical Appliances.
  • Created teh Profiles for endpoints and teh required and also teh rule conditions of profile in order to authorize teh device wif teh OUI feedbacks.
  • Configured and troubleshoot teh issues wif teh profiling, Autantication and Authorization Policies, and proxy issues.
  • Managed and upgraded Wireless Infrastructure primarily used Wireless Services Module (WiSM2) Controller.
  • Integrated teh Active Directory wif teh ISE Physical Appliances and added teh groups in teh ISE for specific group access wif teh Physical Appliances.
  • Configured wif teh Admin Access in teh ISE Appliance and created teh rule permissions to have limited access to ISE Appliances wif types of AD Groups.
  • Created teh Autantication and Authorization Policy rules including (wired devices and wireless devices) 802.1x/RADIUS/TACACS.
  • Worked on teh deployment of teh switches wif configuration and changes required to add switches to teh Cisco ISE Appliance and get visibility.
  • Worked on teh Python Scripting for teh configuring teh Switches/routers for Cisco NAC Project. Worked on Python scripting for backup of teh Cisco devices.
  • Worked on teh Design and Implementation of teh new firewalls for replacement of Current ASA Firewalls wif Checkpoint Firewalls.
  • Experience planning and implementing enterprise security solutions using Checkpoint Firewalls.
  • Supported wif routing changes on teh new Checkpoint Firewalls and supporting teh Current ASA Firewalls wif rules creation and adding or removing of teh network objects.
  • Supported wif teh OSPF routing and other L3 routing challenges on teh cisco routers/switches. Worked on teh Cisco Routers & Switches wif routing for teh configuration changes of implementing new Firewalls and for teh conversion of L3 to L2 traffic.
  • Designed layer 3 security for teh network interfaces converted all teh layer to interfaces behind checkpoint firewall. Worked on checkpoint firewalls routing, managing VRF behind teh checkpoint firewall.
  • Provided assistance in network planning, engineering and architecture wif technical solutions consistent to enterprise network strategy.
  • Maintained and supported all Cisco Chassis and interfaces. Documenting teh inventory of cisco switches/routers and other network related objects.
  • Supporting wif teh Lease replacement of teh Network switches Cisco Cat 6509, 4507, 3850, 3750 and all network hardware and repair.
  • Configured and supported our network Core Switches Cisco Cat 6509, 6807 and also supported wif teh core switches replacement from 6509 to 6807 Cisco Catalyst Switches.
  • Worked, supported and implemented on teh OSPF and EIGRP Routing protocols wif 6807 cat switches.
  • Worked on teh replacement of teh bad Network cards & UPS for teh Hubs and also supporting wif teh Network and hardware issues on teh line side in teh plant.
  • Coordinating and reviewing of teh project progress in teh Status meeting and team meetings and monitoring wif teh provided timeline for each phase of teh project.
  • Reviewing and monitoring teh risks and issues and provide technical solutions and escalate it for any identified issues.
  • Managing teh System stability wif Incident report analysis and preventative maintenance and also wif teh weekly status reports and milestone reviews.

Confidential, Tigard, OR

Network Administrator

Responsibilities:

  • Created Data-filtering profiles in Palo Alto devices which halps to prevent sensitive information.
  • Firewall Policy provisioning on Palo Alto devices using Web UI as well as PANORAMA. Provided day-to-day operational support for all firewall and VPN platforms including Checkpoint and Palo Alto firewalls.
  • Performed upgrades on Palo Alto OS devices in High Availability pair. Firewall OS upgrades and Maintenance of OS updates as part of addressing Vulnerabilities on Firewalls.
  • Configured rules and Palo Alto Firewalls & Analysis of firewall logs using various tools.
  • Configured and maintained teh HP Switches wif OS Upgrades and routing protocols (OSPF, BGP).
  • Used Cisco Prime Infrastructure for troubleshooting and managing wireless networks.
  • Provided network support for teh core network including MPLS, DMVPN and Datacenters.
  • Daily troubleshooting of GRE, IPSEC, and DMVPN deployments and configurations
  • Designed and configured customer remote sites utilizing site-to-site tunnels, DMVPN, MPLS on CISCO based routers and ASA's.
  • Splunk log monitoring & report monitoring for Data, Network, and Application device & user activities.
  • Worked on Source Fire and Palo Alto IPS/IDS Systems, Splunk log monitoring tool, Qualys vulnerability assessment tool.

Confidential, Englewood, CO

Network Operations Engineer

Responsibilities:

  • Involved in designing L2VPN services and VPN-IPSEC autantication & encryption system.
  • Involved in designing GRE tunnels for encryption of data flow from source to destination.
  • Installing and configuring TACACS/RADIUS, Performed ISSU to upgrade to teh core Nexus 7k switches.
  • Creating guest users and providing access to limited services by providing limitations wif cisco ISE
  • Performed IOS upgrades on various catalyst series switches and maintained latest IOS versions according to company's policy.
  • Good automation experience using programming languages like Python and Shell scripting.
  • Excellent knowledge in Routing, Switching, Firewall and Gateway technologies, system design, wireless design, data network design, capacity management and network growth.
  • Deployed teh Cisco 3500 Access Points using Cisco Wireless controllers 5500 and 2500 and WCS System.
  • Installation and maintenance of Cisco Layer 3 switches 3750, 4500X, 6500 and Cisco 3550/4500/6500 switches in multi VLAN environment.
  • Worked on assigning Static Ips’s using Ipam and Infoblox.
  • Configure DHCP option Tags based on endpoint requirements
  • Worked on switchport configuration and provided switchport assignments to teh Datacenter technicians.
  • Decommissioned teh Cisco switches and teh interfaces that are no longer needed in teh infrastructure.
  • Performed Extensive and numerous administration tasks Through GUI and CLI on teh A10, Cisco IOS Platform.
  • Maintain Infoblox IB 1410 devices and perform NIOS upgrades. .
  • Create IPv4 networks through IPAM.
  • Reserve IP address for plant floor equipment.
  • Coordinate wif network operations center (NOC) for change notifications, alerts and escalation of security incidents.
  • Scheduled day to day Network drops connections for new connections and also core & distribution & Access switches routing and switching related changes and seek CAB approval if required for production impacting changes.
  • Used Microsoft Visio for technical documentation.
  • Used Infoblox to create and manage newly created DHCP scopes and Analyze Infoblox logs for troubleshooting
  • Responsible for Enterprise DHCP Server (InfoBlox) and VPN, SSL, and NetMotion Accounts.
  • Configured Nexus 7010 including NX-OS Virtual Port Channels, Nexus port profiles, Nexus Version 4.2 and 5.0, Nexus VPC peer links.
  • Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
  • Experience wif troubleshooting LAN, WAN, Frame-Relay, Ether-channel, IP Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP.
  • Worked on ACE load balancers. Experience wif F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for teh corporate applications and their availability.
  • Worked extensively wif ASR 9K (9010/9922), Nexus 7000, 5000, 2000, Cisco 6500 series multilayer switches, Cisco 2960s series switches and Cisco 3650/3850s switches.
  • Priorities and optimizing teh application performance wif Quality of service in cisco ASR routers.
  • Experience on Deploying and decommission of VLANs on core ASR 9K, Nexus 7K and 5K and its devices.
  • Install and upgrade Cisco Wireless LAN equipment including but not limited to: 1100, 1200, 1300 and 3500 series Access Points; 4400 and 5500 series Wireless LAN controllers; 6500 & 3750 Core switch routers; 2960, 3560 & 3750 series switches.
  • Expertise in networking technologies like LAN, MAN, WAN and peripheral devices.
  • Develop Engineering Documentations to record F5 environment and change processes LTM/GTM/iRules.
  • Worked wif F5, CISCO ACE 4710 Load balancers, GSS and Wireless networks.

Confidential, Miami, FL

Network Engineer

Responsibilities

  • Experience in setting up and maintaining perimeter security by using Cisco ASA, Fortinet 3340, checkpoint firewalls.
  • Hands on experience on Cisco switches (2900, 3550, 3750, 6500, MDS 9000, 5000 NX-OS) series, juniper (EX, QFX, QFabric) series switches, juniper (T4000, LN, CTP) series routers, Cisco (2500, 2600, 2800, 3600, 3800, 7200) series Routers.
  • Monitored and responded to network anomalies utilizing Solarwinds/Orion's software and recommended appropriate network solutions for issues.
  • Cisco Sourcefire (Firepower) ASA 5585-SSP- 20/40 management, configuration, and maintenance for all cruise ships.
  • Designing, implementing LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.
  • Expertise in IP subnetting and worked on various designing and allocating various classes of IP address to teh domain.
  • Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration).
  • Troubleshoot connectivity issues involving VLAN’s, OSPF, QoS etc.
  • Migrate configuration and services from ASA to Firepower including licensing
  • Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 4500 switches.
  • Optimized performance of teh WAN network consisting of Cisco 3550/4500 switches by configuring VLANs.
  • Hands on Experience wif Cisco Wireless Controllers 5500's and 2500's and coming to access points, worked on 3700's, 3500's and 1142 access points.
  • Implemented traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
  • Setting Aruba Access to link distribution switch system and tan to WLAN controller.
  • Deployed, configured and implemented Cisco 6800 catalyst switch.
  • Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path and Worked wif Cisco IOS, NX-IOS, IOS-XR.

Confidential

Network Engineer

Responsibilities

  • Configured Cisco ASA firewalls in Single and Multiple Context Mode firewalls. Upgrade of Cisco ASA Firewall in Active/Standby mode.
  • Cisco ASA Firewall Policy Provisioning and troubleshoot connectivity issues through firewall.
  • Configured ASA 5510 appliance as a Firewall and as a VPN server. Troubleshoot TCP/IP problems; troubleshoot connectivity issues.
  • Cisco ASA Firewall Policy Provisioning and troubleshoot connectivity issues through firewall.
  • Coordinated wif higher-level support and external vendors for resolution.
  • Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
  • Installed, configured and managed Cisco routers such as 3700 series and Cisco Catalyst switch series 3500, and 2900.
  • Experience in working wif load balancer for converting CSS to ACE.
  • Configured and performed software upgrades on Cisco Wireless LAN Controllers 5508 for Wireless Network Access Control.
  • Experience in working wif LTM and GTM for scaling and securing DNS infrastructure during high volumes.
  • Included network services such as DNS, email, web, Servers, VPN and Firewall.
  • Troubleshoot TCP/IP problems, troubleshoot connectivity issues in multi-protocol Ethernet, Environment.
  • Configured various Routing protocols such as RIP, OSPF, EIGRP, static routing.
  • Maintaining Core Switches, creating VLANs and configuring VTP.
  • Back up a Cisco IOS to a TFTP server and Upgraded and restored a Cisco IOS from TFTP server.
  • Efficient designing of IP Addressing Scenario using VLSM and Subnetting.
  • Design implementation and support of Networks using TCP/IP
  • Upgrade Cisco Routers and Switches IOS using TFTP.
  • Performing network monitoring, providing analysis using various tools like WireShark, Solarwinds etc.
  • Experience wif convert Checkpoint VPN rules over to teh Cisco ASA solution. Migration wif both Checkpoint and Cisco ASA VPN experience.

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