Koray Biçer

Junior Network & Systems Specialist – Data Center Operations - DGN Teknoloji Data Center & Hosting

(2026-01)

Daily Layer 2 configuration on Juniper Junos switches: VLAN segmentation, access/trunk ports, LACP link aggregation, and VLAN security.
Administer Linux (Ubuntu, CentOS, Debian) and Windows Server on VMware ESXi/KVM virtualized infrastructure.
Manage core network protocols (TCP/IP, DNS, DHCP, STP) and hypervisor/RAID provisioning across production data center systems.
Monitor system/network logs and maintain technical English documentation for infrastructure and vendor systems.

IT & System Support Specialist - CBC Call Center

(2024-01 - 2024-12)

Delivered remote and on-site technical support across mixed Windows/Linux environments for corporate staff, resolving OS, network, and application issues.
Diagnosed and repaired hardware failures at the component level (motherboards, RAM, HDDs/SSDs, PSUs), reducing device downtime.
Configured and maintained corporate LAN/Wi-Fi networks, routing, modems, and enterprise printer fleets.

Fiber Sales & Team Leader - Turkcell Superonline

(2022-01 - 2022-12)

Led a fiber infrastructure sales team, tracking performance metrics and coordinating regional rollout activities.
Built customer relationship management processes that supported infrastructure adoption in the region.

Accounting Assistant - RAL Chemistry

(2021-01 - 2021-12)

Managed computerized accounting workflows and organized corporate technical documentation.

Intern – Banking Operations - Halkbank

(2020-01 - 2020-12)

Supported high-compliance administrative workflows and secure document tracking within government banking infrastructure.

IT Installation Specialist - Mouse Com

(2019-01 - 2020-12)

Provided on-site server and workstation hardware troubleshooting and custom software provisioning for enterprise clients.
Deployed LAN configurations and maintained business-critical peripheral devices.

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