Tugrul Gurkaynak

Management of central systems serving for 800+ client locations Maintenance and security hardenings of Linux and Windows servers Administration of Cisco UCS blade servers, FI’s, Fabric SAN MDS’s, IBM StorWize V7000 - v3700; Actifio Backup CDS systems Administration of VMware VCenter & ESXi clusters Management of MS AD, MS DNS and ISC BIND DNS Servers SSL certificate management Production and monitoring of CDR data

Implemented the Disaster Recovery Site of Telenity on AWS Level 3 support for Linux OS, Windows OS and backup systems Deployed and managed VAS servers of 8 GSM operators world wide Automated Linux fine tuning and security hardenings using Ansible Administered Citrix Xen and VMware virtualization infrastructure

Managed infrastructure monitoring systems for 20+ client locations Built and documented infrastructure standards and best practices Wrote automation scripts for system administrators’ tasks Designed, implemented and administered CA Spectrum and CA NFA Gave trainings for civilian and military personnel Developed Cisco, HP, AlliedTelesis network devices management and configuration scripts in Perl

Designed, deployed and administered VMware Cluster systems Performed P2V migrations, managed Linux servers, administered IBM tape libraries, fabric & iSCSI SAN Modified and adapted Linux Kernel modules for 3rd party hardware for the client Armed Forces Coast Guard Command Secured network infrastructure with 802.1x and FreeRADIUS Full stack development of the “In-house electronic expenses software” Designed and implemented migration of the groupware system from “MS Exchange” to “Google Apps for Work”

Administered 600+ PTSP (LTS) servers and printers across the country Packaged and maintained more than 8 linux software for Pardus OS Implemented and administered GLPi helpdesk software Performed field work and central administration of National Security Council's GUVEN 2008 maneuver

Hittitology