Technical Manager - Cloud&Platform

• Mar 2020 - Present

Team Lead

• Jun 2018 - Mar 2020

Senior Specialist - R&D

• Apr 2016 - Jun 2018

Expert R&D Software Design Engineer

• Apr 2014 - Mar 2016

I was assigned the task of establishing the TSM Center infrastructure to which all Beko POS devices will be connected. Here, I took responsibility for the hardware and software design of the entire service infrastructure.System Management:• Responsible for designing and implementing of high available and high scalable system infrastructure for payment and mobile device management systems (TSM and TMS) designed for a million POS devices• Designing and managing disaster recovery system for payment (TSM) system• Designing a fully redundant Network/ISP/GSM topology between 2 locations (IPSLA)• MPSL and IPSec connections with banks and meal ticketing companies• Managing Firewall, Loadbalancer, DDOS, and other security devices • Administration of Linux (Ubuntu) Servers, middleware platforms(Nginx, Apache, Tomcat, uWSGI, Supervisor, etc.)• Deploying and configuring monitoring, alerting and logging systems (Zabbix, Cacti, Grafana, Qradar, Graylog)• Tuning of system performance to ensure that systems will run reliably and be highly available in a 24/7 production environment. • Managing Virtualization systems and backup mechanisms (Vmware and Netbackup) Software Development:• Developing a library to enable an embedded device to communicate with the MDM system. Used C/C++ based socket application on ARM-based Linux OS for POS devices.• Developing and maintaining Django web services that manage and update those Beko POS devices Show less

R&D Software Design Engineer

• Oct 2011 - Apr 2014

System Administrator

• Sep 2009 - Oct 2011

• Participated in the system administration of The Tax Office Automation Project of Revenue Administration of Turkey (VEDOP), one of the largest e-Government projects in Turkey • Administration of Unix/Linux systems (Solaris, CentOS) • Solaris security patches and OS upgrade as per release plan. • Administration of middleware tools such as Apache, Tomcat, GlassFish application server • Administration of monitoring tools such as Nagios. • Monitors systems activities and services, manage file system, CPU, Memory Usage. Take required necessary actions if required. • Configure and maintain system logs, Analyzing system and application logs, and identifying potential issues with Unix (Solaris) systems • Working closely with software development teams for troubleshooting the problems/bugs • Develop (as required) customized scripts/procedures for routine administration tasks including but not limited to backup/restore, shutdown, and start-up • Participate in the 24x7 on-call rotation. Show less

Engineer

• Oct 2008 - May 2009