Armagan Yaman
Senior System Administrator
Istanbul, Istanbul, Turkey
Summary
👤
Senior🎓
Top SchoolArmagan Yaman is a seasoned Senior System Administrator with over a decade of hands-on experience building and maintaining Linux/Unix infrastructure across CentOS, Debian and FreeBSD environments. He specializes in high-availability architectures, data replication, failover processes and migrations between physical and virtual platforms, and has a strong practical grasp of TCP/IP tuning and packet-level analysis using tcpdump and Wireshark. Comfortable automating at scale, he manages Unix, Linux and Windows fleets with Ansible and AWX, integrates inventory tooling like NetBox and Device42, and develops operational scripts in Python, Bash and PowerShell. His background includes performance tuning of services such as FreeRADIUS, HAProxy, Nginx, Apache, MySQL and ActiveMQ, and deploying monitoring with Zabbix and Cacti to maintain service reliability. Based in Istanbul, he combines infrastructure depth with operational craftsmanship—often resolving subtle network and cron-job issues that evade automated checks.
8 years of coding experience
11 years of employment as a software developer
Philosophy, Philosophy at Anadolu Üniversitesi
English
Github Skills (6)
networking2
sdn2
microsoft2
windows2
windows-server2
powershell2
Programming languages (3)
Github contributions (5)
armahan/zabbix-templates
Dec 2017 - Oct 2020
Contributions:12 commits, 11 pushes, 1 branch in 2 years 11 months
armagan-droid/Scripts
May 2018 - Nov 2024
Contributions:22 pushes, 1 branch in 6 years 6 months
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