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About

With a 20 year track record of positive results for businesses ranging from small to Fortune 500, I am an invaluable resource to any aspiring enterprise that recognizes the value in cultivating a strong IT foundation.

Experience

ABB GmbH

June 2011Present

Consultant

computer and network security audits

troubleshooting and resolving network issues

designing and documenting best practice policies

writing and fixing legacy scripts and code

planning and implementing automated network and hardware monitoring solutions

training IT staff members

designing and implementing corporate networks

New York Stock Exchange

April 2006January 2010

Sr. Systems Engineer

Conducted audits for Sarbanes-Oxley compliance

Coordinated datacenter and office upgrades with information security and network teams

Created weekly health reports of infrastructure

Assigned weekly tasks to IT staff

Supervised completion and quality of IT staff's work

Coordinated datacenter and office environment upgrades with infosec and network teams

Supervised 24/7 support of a 200 user environment between New York, Dublin, London, Singapore, Hong Kong and Tokyo

Designed and supervised implementation of new office network

Maintained a production environment of financial transaction so􀀼ware (FIX), servers and networking equipment for brokerage house to trading floor communications

Implemented and supported heterogeneous Microsoft/Apple office environment

Produced scripts and code to automate tasks

Implemented and documented best practice policies and procedures

Proposed and implemented Jira to replace aging bug tracking system

Ultimately expanded system to encompass all issue reporting and tracking within the company

Proposed and implemented Confluence as a shared knowledge base between departments

Promoted to Senior Systems Engineer for exemplary performance

Schneider Electric

January 2002April 2006

Consultant

creation of new office networks

maintaining datacenter hardware

troubleshooting network problems

fixing server hardware issues

datacenter migrations (moving to another facility without downtime)

implementing teleconferencing solutions

Viacom / MTV Networks

September 1999December 2001

System Administrator

Supervised the daily operations of the MTV, Showtime, and CBS datacenters

Maintained datacenter servers (hardware maintenance and software/security updates)

Conducted security audits to maintain compliance with legal guidelines

Installed Category 5e cabling for datacenter

Reconfigured switching and firewalling rules for security and network efficiency

Replaced aging hardware and supported engineers on new projects

Assistant supervisor of CBS / Viacom IT infrastructure merger (Viacom acquisition of CBS)

Bigfoot.com

July 1996September 1999

Systems Administrator

Provided 24/7 Helpdesk support for 100 users

Upgraded office T1 to T3

Installed firewalls to regulate access and protect networks

Implemented VPN service

Assisted in design of new office network

Maintained office email and file-sharing servers

Installed and configured servers at datacenter (NOC)

Reconfigured DNS servers to utilize ACLs for more secure operation

Implemented a load balancing solution for datacenter servers

Maintained datacenter servers

Promoted to System Administrator for exemplary performance

Knowledge

Apple

Mac OS X 10.x, MS Active Directory integration for user authentication and policy enforcement, L2TP VPN, Open Directory/Active Directory integration, VMWare Fusion, Xcode, macports

Hardware

Dell PowerEdge Servers, IBM BladeCenter, SGI rackables, Lenovo laptops, Dell laptops, Apple Macbooks, Desktops and Xserve, Wi-Fi 802.11a/b/g/n/ac, RAID, Radware, APC power, network cabling, KVM, VMWare ESX, whole disk encryption (WDE)

Microsoft

Windows Desktop 2000/XP/7/8, Windows Server 2003 R2/2008 R2/2012 R2, Active Directory Management, Exchange Server 2003/2007/2010/2013, High Availability (HA), remote user management, mobile device management, operating system hardening, Symantec Ghost, Single sign-on (SSO)

Network

Nagios, HP OpenView/BTO, Cacti, RRDtool, nmap, tcpdump, Ethereal/Wireshark, NAT, Cisco routers, switches and firewalls, HP switches, Netgear switches, DNS, BIND, DHCP, PAT, High Availability (HA), network level load balancing, network hardening

Security

ipfw, pf, ipchains/iptables, PGP/GNUpg, SAINT, Lynis, OpenVAS, OS hardening, SELinux, sudo, OpenSSL, ssh, scp, sftp, Kerberos

UNIX

Red Hat Enterprise Linux and CentOS 4-7, Ubuntu Server and Desktop 10-14, Gentoo, OpenLDAP, Active Directory user authentication, custom kernels, Kickstart, Samba, NFS, tftp, Apache, nginx, Postfix, Sendmail, bash, vi, FTP, procmail, MySQL, rsync, PostgreSQL, Puppet, Chef, DB2, Atlassian Jira and Confluence, SGI IRIX, Sun Solaris 6 - Oracle Solaris 11, BSDi, OpenBSD, NetBSD, FreeBSD, High Availability (HA), operating system level load balancing, Xen Hypervisor, KVM Hypervisor, OpenNTP, Java, C/C++

Spoken Languages

English - ILR Level 5

Türkçe - ILR 3. Seviye

Academic

Hunter College

Sep 1993May 1997

Computer Science

Academic focus on RISC microprocessor and Rx000 assembler language

Member, Hunter College Computer Science Club