SUMMARY

• Accomplished IT Professional and Qualified System/Network Administrator with 12 years of hands - on experience in Microsoft server and desktop operating systems, and network services and user support. Eight years of experience in network engineering, and 3 years in virtualization and data store solutions.
• Able to utilize experience and training to make significant improvements in company IT operations, and to meet strict deadlines working in fast-paced environments. Excellent problem-solver, quickly grasps complex challenges, identifying opportunities for improvement and/or resolution of issues.
• Skilled in relationship building, collaborate effectively with staff at all organizational levels to successfully align projects to meet organizational goals. Track record of success in planning and implementing successful Cisco systems solutions in support of a variety of business objectives.

AREAS OF EXPERTISE

• IT Network Administration
• Analytical & Troubleshooting Skills
• Teamwork & Team Support
• Interpersonal Communication
• User & Application Support
• Network Operations & Performance Improvement

TECHNICAL SKILLS

Server OS: Windows Server NT/ 2000/2003/2008 R2/2012; Exchange Server 2003/2007

Desktop OS: Windows XP/Vista/Win 7 (also 98/2000)

Network-Based Services: MS Active Directory, DNS, DHCP, WINS, Group Policy, Terminal Services, VPN, WSUS, Certificate services, NLB

Protocols: HTTP, SSL, FTP, TFTP, POP3, SMTP, IMAP, SNMP, SSH, Telnet, RDP, NTP

Internetwork Hardware & Software: Cisco routers 1841, 2801, 2821; Cisco switches 2960, 2950, 3500, 4500; Cisco Nexus N2K, N5K, N7K; Cisco firewall ASA 5500; Fortinet; Cisco IOS 12.0; 12.4

Networking Technologies: BGP, MPLS L2/L3, QoS, RSTP, VLAN, VTP, Ether Channel, HSRP, NAT/PAT, VPN/IPSec, EIGRP, OSPF, Ethernet, Wi-Fi, ACL

VMware Products & Technologies: VMware vSphere, ESX4, ESX4i/3i, Workstation 7.x/6.x/10; Virtual switch, data stores, teaming, HA, DRS, VMotion

Other Software: Symantec Endpoint Protection 11.0.5; SQL Server 2000/2005; Linux Fedora 6; Debian 4,CentOS 6, Ubuntu 14; DNS, DHCP and IPAM product Infoblox 6, BlueCat; Network Monitoring

Tools: PRTG, MRTG, Cacti, Cisco Prime Infrastructure 1.2/3.0, Nagios, Statseeker; Solarwinds Orion; Riverbed NetProfiler; Web Proxy PineApp, Squid; Log Management Kiwi; File Transfer Application EFT Globalscape; IT Inventory GLPI; Load Balancer F5 LTM

PROFESSIONAL EXPERIENCE

Confidential - New York, NY

Network Engineer

Responsibilities:

• Configure and troubleshoot WAN links. Maintain and troubleshoot Site to Site and IPSec, encrypted tunnels .
• Configure Cisco wireless network access points using Cisco Prime Infrastructure.
• Manage and troubleshoot Wireless LAN connectivity issues.
• Manage Cisco ASR 1001, 7200, 3845, 2911 and 2811 series Routers and Cisco 3500, 4500, 6500 series as well as Nexus 2K, 5K and 7K switches.
• Generate reports on Riverbed NetProfiler
• Monitor network fault, availability, and performance of the devices by using Solarwinds

Confidential - Chicago, IL

Network Engineer

Responsibilities:

• Configured Cisco routers 1941, 2921, 4331 and switches 2960, 4500, 6500, N5K, N9K, N2K from the command line.
• Troubleshooted connectivity and configuration issues remotely.
• Configured Cisco wireless network access points using Cisco Prime Infrastructure.
• Day-to-day request fulfillment of technical designs, network diagrams and the administration.
• DNS, DHCP,TCP/IP, EtherChannel, OSPF, MP-BGP, VPC, stack switch, QoS, IPsec VPN troubleshooting.
• Provided comprehensive engineering documentation; including functional requirements, technical designs, network diagrams, workflow diagrams, application communications diagrams, configuration documents, support documentation, procedural documentation, training materials, and some project documents.

Confidential, Danville, IL

Assistant Manager, Network Engineer

Responsibilities:

• Successfully prepared and deployed new Cisco hardware; managed IPsec VPN installation between new clients and Confidential ;
• Worked on projects, such as IPsec VPN Lan to Lan, GRE over IPSec VPN Tunneling, MP-BGP;
• Configured HSRP, LACP, RSTP ;
• Installed and integrated Cisco ACS with Microsoft Active Directory;
• Troubleshooted and managed Cisco switches 4500/3700 and routers;
• Maintained network operational status; developed short- and long-term planning to meet network requirements; prepared, tested, and maintained specific actions to recover normal processing (the BCP).
• Reduced downtime and ensured client Service Level Agreements by quickly resolving all IP network issues.
• Recommended network design changes/enhancements for improved systems availability and performance.
• Supported network stability for 5000 employees in US.

Confidential, Brooklyn, NY

System & Network Administrator

Responsibilities:

• Provided reliable network environment with no significant downtime; prepared, tested, and maintained specific actions to recover normal processing (the BCP).
• Maintained network connectivity and control; configured, administered and maintained Cisco router (2801), switches (2960, 2950), ensuring network connectivity with the main site.
• Maintained up-to-date installations; installed Windows Servers 2003 R2/2008 servers and configured network services; configured and managed Confidential Corporate 10.0 infrastructure.

Confidential

System & Network Administrator

Responsibilities:

• Ensured internal compliance and network security; established new IT policies defining acceptable use of IT assets within the company; implemented security measures to protect data, software, and hardware.
• Facilitated network backup and restoration; configured, installed, and monitored status of Cisco/Nortel switches, firewalls, and servers utilizing PRTG, Cacti.
• Actively provided desktop and phone support for software (Reuters, Bloomberg) and hardware; successfully engineered VPN solution utilizing Cisco ASA 5510.

Confidential

Assistant Manager, Network Engineer

Responsibilities:

• Ensured network operating efficiency; performed troubleshooting of hardware conflicts and configurations errors, worked with vendors to resolve hardware/software related issue, and upgraded software and firmware; successfully installed and configured additional remote site in organization’s Active Directory.