Pavan Kumar Network Security Engineer

  • Network Security Engineer
  • Tulsa, Ok
  • Member Since Apr 02, 2023

Candidates About

                                                                                                                                                                       

Pavan Kumar

Network Security Engineer

Professional Summary:

        Network Security Engineer with over 3 years of experience in Network & Security Implementation; Proficient in installing, upgrading, troubleshooting, configuring, and supporting variety of Network & Security Devices.

        Strong hands on experience in installing, configuring and troubleshooting of Checkpoint Firewalls.

        Checkpoint Enterprise Firewall and End-Point Infrastructure Design and Deployment in large, branch office networks.

        Experience in Implementing Check Point Firewalls R75, R77.

        Configuration, Troubleshooting and Maintenance of Palo Alto Firewalls - PA2000 series, PA3000 series, PA4000 series and PA5000 series.

        Deployment of Palo Alto enterprise firewall in production environments.

        Monitor the network traffic post migration and validate the Palo Alto Networks configuration.

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

        Hands-on configuration and operational experience working on Juniper (SSG&ISG), SRX, Checkpoint Firewalls (Nat policies, VPN Configurations, policies) in both standalone and HA mode.

        Knowledge on Juniper SRX240, SRX220, and SRX550 series firewalls.

        Worked on Juniper Netscreen Firewalls like, NS50, SSG 550M, SSG520M, ISG 1000, ISG 200.

        Managed network security processes using ASA Firewalls.

        Involved in planning, design, implementation and troubleshooting of Cisco ASA Firewall.

        Configured F5 Load balancer LTMs and GTMs to isolate traffic from the web servers.

        Configured static NAT, dynamic NAT inside Global Address Overloading, TCP overload distribution.

        Hands on experience in performing various configurations on Access, Distribution and Core layer switches like Cisco Catalyst 2960, 3750, 4507, 4010, 6506, 6509 switches.

        Expertise in installing, configuring, and troubleshooting of Cisco Routers (3800, 3600, 2800, 2600, 1800, 1700, 800).

        Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500, 3700 series, 6500 series).

        Experienced in configuring, deploying, maintaining, and troubleshooting of routing protocols like RIP, OSPF, EIGRP and BGP.

        Expert level knowledge on IP Addressing, Subnetting, VLSM, OSI model, TCP/IP model.

        Proficient in implementing first hop redundancy protocols like HSRP, VRRP, and GLBP.

        Global Provider-1 Deployment and Smart Centre consolidation

        Experience in authentication protocols PAP, CHAP, 802.1x and Port Security and Configuring Security policies including NAT, PAT, VPN, Route-maps, prefix lists and Access Control Lists

        Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: OSPF, EIGRP, RIP, IGRP, BGP etc.

        Worked with Bluecoat proxy servers and Administration.

        Experience working on network monitoring tools like, SolarWinds, CiscoWorks, Wireshark and Splunk.

        Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.

 

 

Technical Skills:

                                   

 

 

Cisco Platforms

CISCO Routers 1700, 1800, 2500, 2600, 2800. CISCO High End Router 3600, 3800, 7200, 12010. CISCO Switches 1900, 2950, 2960. CISCO Campus Switches 3550XL, 4984 Core Catalyst 4503, 4507 RE, Catalyst

Juniper Platforms

SRX, MX, EX Series Routers and Switches

Networking Concepts

Access-lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPsec, VLAN, VPN, WEP, WAP, MPLS, VoIP, Bluetooth, Wi-Fi

Firewall

NAT/PAT, NPN Configuration, SSL, IPSEC, IKE, Static, Checkpoint, Cisco ASA Firewalls […] IPSEC & SSL VPNs, Fortinet, IPS/IDS, Juniper.

Network Tools

SolarWinds, SNMP, Cisco Works, Wireshark, Splunk

WAN technologies

Frame Relay, ISDN, ATM, MPLS, DS1, DS3, OC3, T1 /T3 & SONET

LAN technologies

Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q

Security Protocols

IKE, IPSEC, SSL-VPN

Networking Protocols

RIP, OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLS, HSRP, VRRP, GLBP, TACACS+, Radius, AAA

Languages

 C, Perl, Python, Linux

Operating System

Windows 7/XP, MAC OS X, Windows Server 2008/2003, Linux, Unix

 

 

                 

Certifications:

        Cisco Certified Network Associate (CCNA) - R&S

        Studying for Cisco Certified Network Associate (CCNA) - Security

        Studying for Cisco Certified Network Professional (CCNP) - R&S

 

 

Experience Summary:

 

HP/DXC, Tulsa, OK

Title/Designation: Network Security Engineer                                                  Period: March 2016 – Present

Roles and Responsibilities:

        Responsible for the planning, design, implementation, organization and operation of Checkpoint, Cisco ASA, Palo Alto, Juniper Firewalls based perimeter security network and network security devices.

        Architecture Designed and Implemented Checkpoint R75.40 Secure Platform 77.20 Gaia with total 560+firewall, Cisco ASA 5540, 5580 and VSX, Juniper SRX 3600,650,240 600+ as per the business requirements.

        Actively use  SmartView Tracker, and Checkpoint CLI (to security gateways) for troubleshooting.

        Implementing and configuring Checkpoint VSX for security gateways.

        Planning, designing, implementing, organizing and operating of Juniper SRX Firewalls.

        Administer and support Juniper Firewalls Using NSM ( NetScreen and ISG firewalls)

        Migration of checkpoint firewalls from Cisco ASA 5510.

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

        VPN setup and troubleshooting including IPSec and FlexVPN.

        Configured and built an industry standard network monitoring and alert system using SolarWinds.

        Plan and conduct complex project studies; includes analyzing multiple data sources and publishing results to the team or to the technical user community.

        Troubleshooting network and firewall problems, specifically Checkpoint and some Juniper SRX firewalls.

        Monitor that the firewall and network system is adequately monitored to identify and solve data communication problems and user performance issues; this includes understanding chronic issues causing inefficiency in operation and seek resolution.

        LAN Management Service for remotely monitored and administered FW’s for over several global locations.

 

 

HCL, Chennai, India       

Title/Designation: Jr. Network Engineer                                                              Period: Oct 2012 – May 2014

 

Roles and Responsibilities:

 

        Management of L2 and L3 technologies and security including adjacency/convergence protocols and techniques (EIGRP, OSPF, BGP).

        Responsible for the planning, design, implementation, organization and operation of Cisco based data communications network and network security devices.

        Maintaining the Network Infrastructure, Installation, migration and configuration of routers and switches for clients.

        Configuration and Troubleshooting of core, distribution and access switches (Cisco 6500, 3750, 2950 series) in LAN and WAN networks.

        Upgrading the IOS on 1900, 2900, 3500 series Cisco Catalyst switches and 2500, 2600, 3600 series Cisco routers using TFTP.

        Managed the F5 Big IP LTM, GTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.

        Performing network troubleshooting, provided technical support, and recording of backup operations.

        Restricting access to network using ACL.

        Monitoring performance and availability of the network on an ongoing basis.

        Worked on Network Security Implementation & Support.

        Involved in the creation and closing of IMAC (Add, Move, Change Requests) tickets.

        Communicating with the clients by creating tickets for the issue and dispatching to the correct queues for resolution. 

        Interacting with second level support and providing them necessary details in order to resolve the issue.

        Worked on network-based IT systems such as racking, stacking and cabling.

        Network cabling, dressing, labeling and troubleshooting network drops onsite.

        Involved in planning, designing & configuring LAN/WAN ensuring max uptime.

 

 

 Education:

 

   Master’s in Computers and Information Sciences

   SUNY Poly - Utica, New York

                Aug 2014 to Dec 2016

                Bachelor's in Information Technology

                GVPCOE (JNTUK) - India                                                                                    

               Aug 2008 to May 2012