SUMMARY

• Over 6 years of professional experience in System & Network Administration, performing Network analysis, design, modeling, Implementing, capacity planning with focus on performance tuning and support of large Networks
• Experience in routing and switching with strong in various Cisco and juniper platforms.
• Physical cabling and IP address Management.
• Experience with configuration and troubleshooting of routing protocols RIP, OSPF, EIGRP & good knowledge on BGP, IPV6.
• Good experiences in High Performance Computing techniques which will help you in high performance computing
• Good knowledge and experience with layer 2 technologies like Ethernet, Frame - Relay, VLANs, VTP, layer 2 loop-prevention techniques.
• Good experience on Administer servers and network services: LDAP, NIS, AD, DNS, DHCP, NFS, and Exchange.
• Experience on Cisco IOS XE product lined based devices.
• Experience with Administer network switches, network storage and associated tape backup system, Virtual Server Infrastructure, Databases, User accounts, Email technologies, Firewall, Internet and Digital Security, User support and troubleshooting.
• Good experience in working in a large scale production environment.
• Good understanding and hands on experience configuring AAA-authentication, authorization, accounting.
• Good experience with AAA, State full Firewalls (ASA, Zone Based Firewall), ACL (standard and extended), VPN (IP security), and Port Security.
• Good knowledge on Juniper switches.
• Good knowledge in deploying wireless Access Points.
• Good troubleshooting experience with CISCO Nexus switches like 7000 and 5000 series.
• Hands on experience in configuring Cisco SDM (security device manager) on 3750 switch.
• Good hands on knowledge on Linux commands.
• Co-ordinate with various people for effective resolution of network issues.
• Good experience, working with a team in designing LAN/WAN architecture.
• Aggressive Problem solver, technically precise, Analytical Thinker, Sharp troubleshooting skills, excellent written and verbal communication skills, especially with respect to technical documentation/support. Proven track record as an individual contributor and as a member of a team.
• Strong attitude to learn and aptitude to learn fast with flexible and adaptable working capabilities has an individual or in a group.
• Good understanding of ITIL in Change, Incident, Problem and Service Management.
• Good working knowledge of Cisco ASAs including software versions 7.x, 8.x and 9.x.
• In-depth understanding of the OSI Reference Model and its security implications
• In-depth knowledge of networking, principles of routing, internet services and protocols and their security implications
• Familiarity with Exchange 2013, Experience with Microsoft System Center Suite (Configuration Manager, Data Protection Manager, Operations Manager, and Virtual Machine Manager)

TECHNICAL SKILLS:

LAN Technologies: VLAN, VTP, Inter-VLAN routing, STP, RSTP, PVST, 802.1x

WAN Technologies: Frame Relay, ISDN, PPP, ATM, MPLS, Channel & Leased lines

Network Securities: NAT/PAT, VPN, L2/L3VPN, Filtering, Load Balancing, IDS/IPS,IPSec

Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, IS-IS, HSRP, IPv6

Routed Protocols: TCP/IP, IPX/SPX

Infrastructure Services: DHCP, DNS, SMTP, POP3, FTP, TFTP

Network Management: SNMP, SSH, Telnet, ICMP, SSL

Firewalls: ASA, PIX, SRX, Watch guard, ASDM, CSM, Checkpoint

IP Telephony: VOIP, FXO/FXS, SIP

Operating Systems: Windows Vista/XP/NT/2003, MS DOS, UNIX, Linux

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

Packages: Visual Studio 2008, OPNET, MATLAB

Certificates: CCNA, CCNP.

Scripting: Powershell, Perl, shell scripting, C and Java.

Web Services: REST, SOAP

PROFESSIONAL EXPERIENCE:

Confidential, Omaha, NE

Network Engineer

Roles & Responsibilities:

• Worked on High availability networks like ASR 9K, Cisco Nexus devices such as 2k, 5k.7k, 9k.
• Worked on Source Nat, Experience with configuration and support of IPSEC VPN.
• Worked on Cisco:IP addressing, Wide Area Network configurations (Frame-relay & MPLS), Routing protocol configurations (EIGRP, OSPF and BGP).
• Experience indeploying EIGRP/BGPredistribution and the changing the metrics for the primary and backup paths for the packet prioritization andEIGRPtuning
• Involved in Installing and maintaining ASA and firewalls.
• Configured ASA Firewalls 5500 series in the data center.
• Involved smart view tracker to check the firewall traffic Troubleshooting hardware and network related problems.
• Configuration of Cisco firewalls, Juniper firewalls
• Configuration and Installation of Firewall Service Module in 4500 switches.
• Implement firewall policy changes after the appropriate review and approval process has been completed.
• Involved in L2/L3 Switching Technology Administration including making, Worked on Visio drawings.

Environment: Cisco Routers (ASR 9K)& Cisco L2 & L3 Switches (4500 & 6500), STP, VLAN, VTP, TCP/IP,, VPN Connectivity,F5 load balancers, Cat 6500, Cat 4500, ASA, SMTP, VMware ESXi and vSphere, Visio, VOIP, SIP, Riverbed.

Confidential, Dallas, Texas

Sr. Network Engineer

Responsibilities

• Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Configuration and Administration of Cisco and Juniper Routers and Switches.
• Experience with configuration and support of IPSEC VPN.
• Experience in configuring and managing F5 Web Accelerator module.
• Experience in implementing and maintaining Citrix NetScaler load balancers, global load balancers.
• Experience with VOIP and QOS implements and support
• Knowledge on cloud services. Maintained F5 load balancer and Cisco ACE.
• Application (Layer 7) Firewall. Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers.
• Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper and Palo Alto Firewalls, F5 Big IP Load balancers, Bluecoats Proxies and Riverbed WAN Optimizers.
• and backup paths for the packet prioritization andEIGRPtuning
• Planning, designing, Installing and Configuring of Cisco Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800 and 7200, 7609)& Cisco L2 & L3 Switches (2900, 3560, 4500 & 6500)
• Configuring VLANs and implementing inter VLAN routing.
• Upgrading and troubleshooting Cisco IOS to the Cisco Switches and routers.
• Configuring STP, RSTP, VLAN, VTP, SPAN port and Port binding Configuring Site to Site to VPN connectivity.
• Troubleshooting hardware and network related problems.
• Creating, Managing and maintaining rules to adhere corporate security standards using checkpoint Firewall
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Migration to virtual servers in F5 Load balancer as part of web
• Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN.
• In-depth internetworking troubleshooting in a large-scale campus network environment.
• Specific experience with Cat6500/Sup720 and 2T, Cat4500/Sup7 and access layer switching.
• Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN.
• Worked on security related requests such as firewall updates, proxy definitions and access provision, malicious email blocking, VPN access provision to appropriate vendors.

Environment:Cisco Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800 and 7200, 7609) & Cisco L2 & L3 Switches (2900, 3560, 4500 & 6500), STP, RSTP, VLAN, VTP, SPAN, TCP/IP, IPX/SPX, Checkpoint, VPN Connectivity, Blue coat, Brocade ADX & F5 load balancers, cat 6500, Cat 4500, ASA, DNS, DHCP, SMTP, VMware ESXi and vSphere, AWS.

Confidential, Dallas, Texas

Network Engineer

Roles &Responsibilities:

• Perform day-to-day operational support of Kodiak Hosting’s production, lab, Data Center and corporate IT networking environments.
• Troubleshoot and replace system and network hardware as required.
• Monitor system and network utilization/capacity.
• Design, installation and testing of network-related services and hardware.
• Good experiences in High Performance Computing techniques which will help you in high performance computing
• Good experience with the UNIX commands.
• Experience on Developing Platform infrastructure.
• Participate in and contribute to the development and implementation of support tools and resources to enhance the local and remote support capabilities of the Hosting and Data Center environments.
• Worked on wireless technologies like LTE, 4G and Responsible for the delivery of Wireless Planning, Design, Implementation & Optimization Services to Cisco's major accounts.
• Provided operational support for complex, wireless network deployments. Identified & documented design/architecture best practices for global Services adoption.
• Coordinate with developers, engineering and other staff members on issues related to existing system enhancements and new system implementations.
• Provide 24x7 on call support on a rotating basis;
• Some after-hours scheduled maintenance events.
• Hands on technical experience configuring, maintaining and troubleshooting various routing protocols including OSPF & BGP.
• Hands on technical experience configuring, maintaining and troubleshooting Cisco IOS and CATOS.
• Hands on technical experience configuring, maintaining and troubleshooting network firewalls VPN&DHCP servers.
• Experience with maintaining network infrastructure in a high availability public facing production environment.
• Thorough understanding of TCP/IP, virtual LAN, HSRP,STP, DNS, SNMP, SMTP and a myriad of other protocols and technologies..
• Monitor, maintain and enhance existing systems and network telemetry gathering and reporting services as well as associated servers.

Environment: Cisco Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800 and 7200, 7609) & Cisco L2 & L3 Switches (2900, 3560, 4500 & 6500), VLAN, VTP, SPAN Windows, UNIX, TCP/IP, virtual LAN, Cisco IOS and CATOS, Firewalls-ASA, DNS, DHCP, SMTP, VMware ESXi and vSphere, AWS.

Confidential, Marlborough, MA

Network Engineer

Roles &Responsibilities:

• Working on Network outline and help, usage related inner activities for creating integration between the different field business locales and server farms.
• Worked on Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches.
• Extensive design, implementation and use of load balancers F5 and BIG-IP to manipulate, optimize and control network traffic.
• Involved in setting up and maintaining F5 load balancers.
• The project involved the decommissioning of older Cisco equipment and replacing them with the Nexus platform. These include the Nexus 2048's, 5596 and 56128 platforms
• Performance monitoring of various applications and web servers to maintain quality of service and network stability.
• Experience on supporting the infrastructure across the entire corporate: VMware ESXi and VSphere, AWS, Network & Infrastructure, AV & Video Conferencing, user systems support, Linux & Windows server support, Storage Appliance, application support (Google Apps, DropBox, JIRA, Confluence, GitHub, Slack, etc.)
• Involved in L2/L3 Switching Technology Administration including making
• Developed and presented LAN/WAN/WLAN network engineering design packages.
• Responsible for executing the implementation and service around critical corporate network(s) (LAN and WLAN).
• Responsible for administration appeal tickets produced by the helpdesk in all stages, for example, investigating, support, updates, patches and fixes with all around specialized backing.
• Supporting EIGRP and BGP based PwC arrange by determining level 2 &3 issues of inner groups & outside clients of all areas.
• Updated the HP open perspective guide to reflect and changes made to any current hub/object.
• Applied access lists and NAT configurations based on implementation guidelines.
• Attended group gatherings and gave remarks on existing system and the suggestion to enhance the current system execution.

Environment: Cisco Catalyst 6500, 4500, 3750, 3500, 2900 series switches, OSPF, BGP, RIPv2, MPLS, IPSec, GRE, VLAN 802.1q load balancers F5, EIGRP and BG, Windows 2008

Confidential

Network Administrator

Roles &Responsibilities:

• Configuration and Administration of Cisco and Juniper Routers and Switches.
• Configuring OSPF, EIGRP BGP, MPLS, QOS, ATM and Frame Relay.
• Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Configuring VLANs and implementing inter VLAN routing.
• Upgrading and troubleshooting Cisco IOS to the Cisco Switches and routers.
• Configure and troubleshoot Juniper EX series switches and routers.
• Configuring Site to Site to VPN connectivity.
• Configuring and troubleshooting Dell, HP, servers in Data Center.
• Involved in configuring Cisco Net flow for network performance and monitoring.
• Involved in configuration of Cisco 6500 switches.
• Configuring IPSLA monitor to track the different IP route when disaster occurs.
• Involved in Implementing, planning and preparing disaster recovery.
• Involved in configuring Juniper routers.
• Involved in configuring Cisco pix firewall.
• Involved in configuring checkpoint firewall.
• Involved smart view tracker to check the firewall traffic Troubleshooting hardware and network related problems.
• Configuration and Installation of Cisco firewalls Pixand ASA (PIX 510, 515E, 525 and ASA 5520, 5540).
• Configuration and Installation of Firewall Service Module in 6500switches.
• Implement firewall policy changes after the appropriate review and approval process has been completed.
• Gather information for specific technologies as to function and deployment configurations.
• Write technical documents describing implemented technologies and architecture.
• Create suggested solutions for technical problems or Make all changes in accordance with change management procedures.

Environment: Cisco firewalls Pix and ASA (PIX 510, 515E, 525 and ASA 5520, 5540), TCP/IP, NAT, PPP, ISDN and associates network protocols and services. VPN connectivity.