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Network Security Engineer Resume

San Antonio, TX

SUMMARY

  • Over 7+ years of experience in the Information Technology field working as a Network Administrator/Engineer
  • Good Experience in administration and maintenance of Cisco routers and switches.
  • Proficieny in managing Palo Alto Next Generation Firewalls and Panorama Management Appliances
  • Knowledge of TCP/IP architecture, TCP/IP protocol suites and dynamic routing protocols( OSPF, BGP, and EIGRP)
  • Experienced in installation, configuration, administration and troubleshooting of LAN/WAN infrastructure and security using Cisco routers/Switches/firewalls.
  • Experience with working on Microsoft Active Directory
  • Knowledge in IPSEC VPN design connection and protocols, IPSEC tunnel configuration, encryption and integrity protocols
  • Administering Firewalls access control requests to ensure security standards and policies, application security reviews using vulnerability assessment tool.
  • Proficient in design, implementation, management and troubleshooting of Check Point firewalls, Cisco PIX, NetScreen Firewalls
  • Experience in risk analysis, security policy, rules creation and modification of Check Point/Cisco ASA
  • Experienced in Configuration, Management, Deployment and Troubleshooting of Checkpoint VSX
  • Worked on checkpoint provider R71,R75, R77.1, R77.30 GAIA and secured policies and blocked websites using URL filtering, application identification and threat prevention

TECHNICAL SKILLS

Routing Protocols: RIP, EIGRP, OSPF, BGP, MPLS, MPLS - VPNs

Switching: VLAN, STP, VTP, PVST/PVST+, MST, Etherchannel, FHRPs

WAN: HDLC, PPP, ISDN, Frame-Relay

Firewall: Check Point GAIA R55/R65,R71/R75/R77, Palo Alto, Cisco ASA ASA 5585/5520, Check Point BladesCisco PIX 535/525

Other: TCP/IP, TELNET, SSH, NAT, DNS, DHCP, IP Multicast, QoS, VSS, IPSec

Cisco Router: 2600, 2800, 3700, 3800, 7200, 7600, ASR 1000

Cisco Switches: 2960, 3550, 3560, 4500, Cisco 6500

Tools: TRAMS/TRS, SPECTRUM, REMEDY, REACT, SECURE CRT, PUTTY, NRM

PROFESSIONAL EXPERIENCE

Confidential, San Antonio, TX

Network Security Engineer

Responsibilities:

  • Policy and Rule maintenance using Palo Alto Panorama device
  • Software Upgrade for Palo Alto Devices and Integrating of Active Directory/LDAP with Palo Alto Next Generation Firewalls
  • Migration from Cisco ASA firewalls to Palo Alto 200 series
  • Handle tickets related to Palo Alto to grant web access to company staff.
  • Manage the firewall deployment, rules migrations, and firewall administration.
  • Responsible for converting existing rule base onto new platforms.
  • Integrated LDAP with Palo Alto rule base and Global Protect Client VPNs
  • Implementation of access lists and route map.
  • Configuration of Interior Gateway protocol (IGP’s like RIP, EIGRP, OSPF) and Exterior Gateway Protocol (BGP).
  • Configuration of Routers and Switches according to topology.
  • Checking Network Connectivity and Troubleshooting.
  • Switch operation switch port Configuration, LAN WAN.
  • Inter Vlan Routing, HSRP VRRP GLBP and securing switched networks.
  • End-to-end secure networks, troubleshooting integrated environments.
  • IP addressing and sub netting, Routing concepts, VLSM/CIDR.
  • Bridging and Switching Concepts, LAN Technologies such as Ethernet - CSMA/CD, STP, RSTP, MSTP, VLAN tagging.
  • Maintain overall web based security of the company environment

Confidential, New York City, NY

Specialist - Networks

Responsibilities:

  • Installation of Palo Alto (Application and URL filtering, Threat Prevention, Data Filtering)
  • Successfully installed Palo Alto PA-3060 firewalls to protects Data Center
  • Implemented Positive Enforcement Model with the help of Palo Alto Networks
  • Exposure to wild fire feature of Palo Alto
  • Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs
  • Implemented Zone Based Firewalling and Security Rules on the Palo Alto Firewall
  • Responsible for installation, troubleshooting of Checkpoint firewall and LAN/WAN protocols
  • Troubleshooting the VPN tunnels by analyzing the debug logs and packet captures
  • Responsible for managing Network & Security Engineering implementation
  • Firewall Policy administration and work with user requests submitted by users
  • Worked on software blades of checkpoint firewall
  • Prepared technical documentation of configurations, processes, procedures, systems and locationsMonitoring the links using SolarWinds monitoring tool for checking down & up time since, also check the bandwidth utilization for individual link.
  • Generate Case ID and raised tickets for issues and follow up.
  • Implementing VLANs in a network.
  • Taking Backup of all Cisco Switches and Routers.
  • Working on Clarify Summit Ticketing system to address customers Network related issues.
  • Preparing and Maintaining Network topology diagram in our network whenever changes occurs.
  • Configuration of IP address for Switches and Routers.
  • Configuring & Troubleshooting VSS ( Virtual Switching Systems)
  • Troubleshooting of Router and Switch Configuration and working Error.
  • Creating trouble tickets for issues and follow up with respective team towards closure.
  • Taking the Link Utilization Report of all the locations from Solar winds Server regularly.
  • LAN/WAN network support for TCP/IP based devices.
  • Updating LAN / WAN Network diagrams with relevant details.
  • Configuring VPN through RSA Software.
  • Blocking the Spam Mails through Fortimail
  • Troubleshooting Router and core Switches link related issues.
  • Troubleshooting in the Local Area Network.
  • Taking up the responsibilities, maintaining 24x7 operations with shift and support systems.
  • Analyze the issue, identification of problem, troubleshoot and resolve cases within the set target.
  • Provide technical solution on resolving the cases within service monitoring.

Confidential

Sr. Network Engineer- Specialist

Responsibilities:

  • Troubleshooting LAN related issue of Enterprise Customers in terms of switching and connectivity.
  • Providing support for BGP configuration related issues for customers.
  • Optimizing the network with Traffic Switch Over techniques.
  • Configuring and troubleshooting DHCP issues on Switches.
  • Creation of Network diagrams on Visio.
  • Logical analyzing the faults and perform Remote Diagnostics till resolution
  • Experience administering DNS, DHCP, FTP, Printers, Active Directory, and Group/Security policies in an enterprise and cloud network environment
  • Escalated/referred incidents to respective teams for resolution based on defined matrices and agreed SLAs.
  • Communicated effectively with the other teams and resolver groups for getting the issue resolved
  • Coordinated with Problem Management team to identify RCA and various types of incidents and changes
  • Worked on all Customer Escalations
  • IOS upgrade of CISCO router and switches
  • Backup of Cisco devices through TFTP/FTP
  • Password Recovery, Rommon Recovery, SDM Installation

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