SUMMARY:

• Provide scalable, supportable military grade TCP/IP security solutions along with expert TCP/IP network designs that enable business functionality.
• Hands - on experience, specializing in Cisco Environment in Data Center, systems, network and user administration, LAN / WAN and Security.
• Administration, engineering, and support for various technologies including proficiency in LAN/WAN, routing, switching, security, application load balancing, and wireless.
• Experienced in installation, configuration, design and ongoing maintenance of Cisco router and switches.
• Worked on Cisco Catalyst Switches 6500/4500/3500 series.
• Knowledge of managing, maintaining, administering, troubleshooting high end network devices such as cisco routers switches and firewalls.
• Knowledge of Checkpoint VSX, including virtual systems, routers and switches
• Extensive understanding of networking concepts, (IE. Configuration of networks, router configuration and wireless security, TCP/IP, VPN, Content Filtering, VLANs, and routing in LAN/WAN, Ethernet Port, Patch Panel and wireless networks.)
• Built LAN/WAN TCP/IP network comprised of Cisco Switches (6500, 6509, 7613, 3550, 4900, 2960, 2950, 2900XL), Nexus 2k, 5k, 7k.
• Installation, configuration and troubleshooting of DNS and DHCP servers.
• A broad understanding of computer hardware and software, including things such as installation configuration, management, troubleshooting, and support.
• Administration of production Windows Servers infrastructure that includes Domain Controllers, IIS Web Servers, SharePoint, File and Print and FTP/SFTP servers.
• Extensive experience in Windows 2008 R2/2008/2003 Wintel Servers at single or multi domain platforms.
• Proficient in installing and configuring Windows Server 2003, 2008, 2012 and Windows XP, 7 & 8 Professional Client Operating Systems.
• Experience in Microsoft Office Suite, Visio and Outlook

TECHNICAL SKILLS:

Networking Concepts: OSI Model, TCP/IP, UDP, IPV4, IPv6, Subletting, VLSM

Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, Static Routing, Route Filtering, Redistribution, Summarization

Gateway Load Balancing: HSRP, VRRP, GLBP

Infrastructure services: DNS, ICMP, SNMP, ARP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP and FTP

Switch Technologies: VLANs, VTP, STP, RSTP,PVST+, DTP, MLPPP, IEEE 802.1q, MPLS, ISL and dot1q, SMTP, VLAN, Inter-VLAN Routing, Light weight access point

WAN Technologies: Frame Relay, PPP, HDLC, (E1/T1/E3T3)

Firewall: Cisco PIX, ASA, Juniper Secure Access VPN Appliance, Checkpoint and Palo Alto

Network Management Tools: Wireshark, Net flow Analyzer, Cisco Works, Ethereal, SNMP, and HP open view, OPNET

Operating Systems: Microsoft Windows Server 2003/2008/2012, Windows XP/Vista/7/8, Linux

Other Technologies: VISIO, VMware, Mat Lab, GNS3, Microsoft Word, Excel, SQL

PROFESSIONAL EXPERIENCE:

Confidential, Laurel, MD

Network Engineer

Responsibilities:

• Configured TCP/IP addressing scheme to assigned IP blocks.
• Coordinated with LAN/WAN engineers the development and implements security policy.
• Part of a team working in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Truncking, STP, Inter-VLAN routing, LAN security.
• Working on Cisco 6509 and 4507 series switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.
• Configuring and installation of Cisco 2500, 3640, 7200, and 7940 Routers.
• Configured HDLC, PPP, TCP/IP, EIGRP, RIP, & HSRP.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trucking, STP, RSTP, port aggregation & link negotiation.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Configuring remote users to access corporate LAN with VPN connectivity.
• Configured and installed new IP addresses for new users by using IP Addressing and Subnetting Scheme.
• Configured Frame-Relay, ISDN, ATM, Protocols, and switches.

Confidential, Laurel, MD

Desktop Support

Responsibilities:

• Installed, Configured, Maintained, And Supported All Servers and Workstation Within the Network.
• Performed Routine Maintenance on All User Accounts, Data Files, Etc.
• Actively Worked with Hardware and Software Vendors to Resolve Client Issues Promptly
• Basic Understanding and Use of Active Directory And Microsoft Exchange.
• Performed Back-Up and Recovery Responsibilities for Windows Host and Guest Servers.
• Substantially Increased Security and Performance of Systems by Initiating Installation of New Anti-Virus Software and Critical Operating System Updates
• Work with Level 2 support dispatch team, as well as various support center analysts and senior technicians to better understand workstation support needs.
• Resolve calls that have been escalated in the call tracking system (ServiceNow) and assume primary responsibility for client's workstation support
• Provide hands-on and remote-controlled workstation support services
• Participate in hardware and software updates and perform deployments of laptops and PCs.
• Work with the management of print problems with network printers and network connectivity.
• Responsible for all work in progress assigned to ensure completion of tasks and proper communications with clients
• Record and document all support activities for proper measurement of support provided.