OBJECTIVE:

Hardworking and enthusiastic Network Specialist with outstanding skills in Cisco Networking seeking challenging duties in a growth oriented environment that makes use of my analytical, problem - solving abilities, expertise and specialized information, for the mutual development of my career and the business.

SUMMARY:

• Experienced Network Engineer in the industry, which includes expertise in the areas of Routing, Switching and Firewall.
• Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Analysed the Policy rules, monitor logs and documented the Network/Traffic flow Diagram of the Palo Alto Firewalls placed in the Data Center with MS Visio.
• Hands on experience in configuring and supporting site-to-site and remote access Cisco, IPsec, VPN solutions usingASA/PIX firewalls, Cisco, VPN client in addition to providing TACACS+ and RADIUS services.
• Experience working with Nexus 7K, 5K, 2K devices.
• Well experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Experience in designing MPLS VPN and QoS for architecture using Cisco multi-layer switches.
• Configuring BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of theMPLS VPN networks.
• Responsible for Check Point and Cisco ASA firewall administration across global networks.
• Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
• Build IT security infrastructure including Checkpoint, ASA and Palo Alto firewalls.
• Experience in testing Cisco routers and switches in laboratory and deploy them on site production.
• Experience on Cisco PIX ASA Firewalls, Juniper SRX series, Palo Alto, VPN, Troubleshooting Skills, Log Analysis and Review, Compliance Audit.
• Experience in working with Python, Perl, Unix, Linux.
• Implementation and support for security and network access across the wide area network on multiple platforms: Cisco, Arista, Checkpoint, Windows.
• Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, GigE circuits, Firewalls.
• Knowledge of VMware ESXi 5.x/6.x, NSX
• Strong knowledge of TACACS+, RADIUS implementation in Access Control Network.
• Experience in Designing and assisting enterprise wide Network Security and High Availability Solutions for ASA.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600,2800, 2600, 2500, and 1800 series routers, Cisco Catalyst 6500, 4500, 3750, 2950, and series switches.
• Hands on experience on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and theiravailability.

TECHNICAL SKILLS:

Networking Technologies: LAN/WAN Architecture, TCP/IP, VLAN, VTP, NAT, STP, DHCP, DNS,IPsec,VPN, HSRP, VRRP, GLBP.

Routing Protocols:  OSPF, IGRP, EIGRP, RIP, MPLS, IS-IS, BGP, Multicasting

Voice Protocols:  MGCP, H.323, SIP

Network Monitoring:  Cisco Works 2000, Wire Shark, Juniper SRX

Operating Systems:  Windows 7, Linux, Cisco IOS, IOS XR

Routers:  CISCO 7500, 7200, 4000, 3700, 3600, 2800, 2600 Juniper M & T series

Switches:  CISCO 6500, 5000, 4500, 3550, 3524, 2900, Nexus 7k,5k,2k,

Programming Languages: Python,XML,Powershell Script, C++

PROFESSIONAL EXPERIENCE:

Network Engineer

Confidential, Painted Post, New York

Respponsibilities:

• Involved in complete LAN, WAN development (including IP address planning, designing, installation,configuration, testing, maintenance etc.).
• Responsible for troubleshooting and resolving firewall software and hardware issues, including VPNs, connectivity issues, logging, cluster configurations, and hardware installations for Checkpoint and Palo Alto firewalls.
• Install, adjust pre-configured and test Cisco WAN and LAN hardware devices for each site requirements.
• Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools.
• Implemented many number of security policy rules and NAT policy rules on Palo Alto, created Zones, Implemented Palo Alto Firewall interface, Palo Alto IDS and VLAN.
• Setup and maintained Check Point security policies including NAT, VPN and Secure Remote access.
• Involved in testing the database (backend Testing) using extensive SQL queries.
• Experience in Powershell scripting and automation.
• Support fully virtualized production data centers using Cisco UCS environment
• Working on Cisco 6509 and 4507 series switches for LAN requirement
• Installation, maintenance, administration, and monitoring of RedHat Enterprise Linux Systems.
• Created scripts that backed up a Linux server to a Windows 2003 Server and administration menu.
• Configuration, installation and troubleshooting of Juniper SRX 650s and SSG-550Ms
• Configuring and troubleshooting Layer 2 Ethernet switch and router interfaces for Arista, Cisco, and Juniper. 
• Developed entire frontend and backend modules using Python on Django Web Framework
• Involved in migration from Site-to-sire GRE tunnels network to MPLS-based VPN for customer's WANinfrastructure.
• Configuring and troubleshooting Layer 4 VPN on Cisco, Juniper, and Arista.
• UCS Operational Validation & Troubleshooting
• Involved in Switching Technology Administration including creating and managing VLANS's, Port security.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Setup and maintained Check Point security policies including NAT, VPN and Secure Remote access.
• Install, Configure, Maintain, and troubleshoot VOIP (SIP) servers, infrastructure, and applications.
• Used Bluecoat, Palo Alto, Juniper firewall, Windows Infrastructure logs.
• Provide Tier II Load Balancer expertise on F5 BigIP Local Traffic Managers (LTM). Designing F5 solutions/supportfor migration work of applications and websites from Cisco CSS Load Balancers to the F5 BigIP Load Balancers.
• Installed and configured Cisco Routers using IGRP, RIP, EIGRP, BGP, OSPF, 8021q, VLan,VTP, QoS, NTP, SNMP protocols. Set-up Router tables, loaded addresses, set-up address sharing, named conventions, set-up subnets/masking, access lists, etc., QoS service for key applications. Responsible for implementation of Layer 3..
• Wrote shell Scripts for UNIX and also did some programming in Perl.
• Configured Cloud Watch and DataDog to monitor real-time granular metrics of all the AWS Services and configured individual dashboards for each resource Agents..
• Used load balancers ACE and load balancing technique with multiple components for efficient performance andto increase reliability through redundancy.
• Used Network monitoring tools to ensure network connectivity and Protocol analysis tools to assess and pinpointnetworking issues causing service disruption.
• Automated data gathering and processing with Perl/Python scripts.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Responsible for importation and validation of data from multiple sources into SQL Server 2008 r2.
• Created, administered and approved UNIX and XML scripts to test and verify the environments availability and proactively fixed any issues during Chase and various other roll outs.
• Extensive knowledge and troubleshooting in data communication protocols and standards including TCP/IP, UDP,IEEE 802.3, Cable Modem, PPPOE, ADSL, Multilayer Switching, DoD standards.
• Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creatingWIP and VIPs.
• Performed network security packets scanning using capture tools Wireshark to analyze to identify network problems.
• Resolved issues relating to operational and design activities by data analysis and identification of problems.

Network Maintenance Consultant

Confidential,Union Dale,New Jersey

• Experience with migrating from OSPF to BGP WAN Routing protocol.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Checkpoint and Cisco ASA VPN experience
• Installation and Configuration of Cisco Catalyst switches 6509, 3750 & 3550 series and configured routingprotocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followedthe change process as per IT policy. It also includes the configuration of port channel between core switches andserver distribution switches.
• Support ongoing efforts in defining best practice policies for Juniper product applications used by Customer.
• Ethernet/IP Transformation: Responsible for providing integration for INFORM’s Serial to Ethernet/IP communications transformation on fiber instrumented roadways.
• Provide support for customer product and systems testing by assisting customers to properly install, configure, test and troubleshoot products.
• Conduct systems design, feasibility and cost studies and recommend cost-effective cloud solutions such as Amazon Web Services (AWS).
• Designed a test manual and automated test cases which are perform using Networking testing tool IXIA and Spirent.
• Configuration and troubleshooting of RIP, EIGRP, OSPF, BGP, TCP/IP, VoIP, Ethernet, IP routing and their protocols, multicast.
• Provide effective solutions for customers and fabricate scripts using Perl, Shell, and TCL to automate large scale device deployment.
• Cisco ASA/Palo alto firewall troubleshooting and configuring policy based on change request, allowing/denying communication between different segment of the network based on requested ports.
• Experience in building data flows and doing extensive data analysis using Python, R, SQL
• Configure Cisco, Juniper and Arista switches 
• Developed views and templates with Python and Django view controller and template language to create a user-friendly website interface.
• Upgrading my technical knowledge-base and skills in the areas of Linux internals, administration, cloud computing technologies, Vmware/NSX
• Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLSswitching for stable VPNs.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Linux and UNIX systems integration with Microsoft Active Directory.
• Database Administration on SQL Server 12-16 production servers with server configuration, Performance tuning and maintenance.
• Assessments, reporting and design with proprietary software and SQL Server 2008.
• Knowledge of Testing Tools like IXIA Networks and Spirent Test Center.
• Used AWS cloud services to launch Linux and windows machines, created security groups and written basic PowerShell scripts to take backups and mount network shared drives
• Designed, built, and used PowerShell scripts for Active Directory (AD).
• Adapted to enterprise environment security in order to provide ongoing support for PowerShell
• Firewall policy administration and support on Checkpoint as well as Cisco ASA Firewalls
• Implemented network security to various UNIX services, test the software functionality and security administration of the Linux servers
• Configure and Deploy VOIP servers, hardware, applications, and monitoring tools
• Installation, Configuration and Troubleshooting of Linux and Windows Servers
• Generated Python Django forms to maintain the record of online users.

Network Engineer

Confidential,Newark,New Jersey

• Working with Network Design and implementation teams on various projects across related to Brach, Campus andData Center.
• Implemented and maintained various WAN equipment such as Cisco 2800, 3800 and 7200 routers, ASR 1006.
• Experience working with Cisco 3750, 4948, 2811, 2600, 7200, 6500, series switches. Designing and deploymentof Partner IPSEC VPN tunnels.
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4.
• Used network simulation software such as IxNetwork, and test case automation software, such as Ixia and Spirent, network analysis like Scapy and Wireshark
• Development of Perl scripts for tools and process automation.
• Designing, coding, and testing of software in Perl, including back-end and front-end (UI) code.
• Deploying and commission of core ASR 1K, Nexus 7K, 5K and its downstream devices.
• Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• Experience in working with Python ORM (Object Relational Mapping) code Library including Django, SqlAlchemy ORM to switch an application between various relational
• Design, installation and configuration of JSC, TDWC and Tivoli Workload Scheduler on Solaris, Linux and Windows servers/clients.
• Configured CIDR IP RIP, PPP, BGP, MPLS and OSPF routing.
• Performing the ACL requests change for various clients by collecting source and destination information from them. Performed Break Fix support through driving to different buildings, identifying the root cause of the hardwareissues with switches, routers.
• Design, implementation and operational support of routing/switching protocols in complex environments includingBGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Performing troubleshooting on slow network connectivity issues, routing issues that involves OSPF, BGP andidentifying the root cause of the issues.
• Upgraded load balancers from Radware to F5 BigIP v9 which improved functionality and scalability in theenterprise.
• Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creatingWIP and VIPs
• Configuring various advanced features (Profiles, monitors, Redundancy, SSL Termination, Persistence, SNATs, HAon F5 BIGIP appliances SSL termination and initiation, Persistence, Digital Certificates,
• Build and maintain SQL scripts, indexes, and complex queries for data analysis and extraction.
• Perform quality assurance and testing of SQL server environment.
• Executed variousmigration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.
• Built database Model, Views and API's using Python for interactive web based solutions.
• Configured layer 2 and layer 3 switching and routing protocols such as MPLS VPN, OSPF, BGP, MP-BGP, MPLS, on Juniper 4200, MX960 and Cisco 2800, 2500 and 3700's routers for AboveNet's Metro Ethernet IP product suite.
• Configuring all the end ports as access ports using port fast and implementing BPDU guard.
• Installed and configured VPN IPSec for remote users using Cisco VPN Client and Cisco Secure ACS.
• Experienced with MPLS over VPN to provide best service to customers.