Senior Linux & Virtualization Systems Specialist

Kastamonu Entegre; Üsküdar; On-site; TRY 480,000 - 720,000; Full time

Job summary

Kastamonu Entegre Ağaç Sanayi is seeking a System Support Senior Specialist for its IT Team in Altunizade, Istanbul. The role focuses on server management, automation, disaster recovery, and security across Linux and Windows environments.

You will work with virtualization tech and modern observability tools. You will contribute to enterprise-scale infrastructure, collaborate across teams, and participate in modernization projects while ensuring system health and compliance with corporate

Qualifications

• Minimum 5 years of hands-on Linux System Administration experience.
• Experience with enterprise-scale infrastructure and virtualization environments.
• Knowledge of virtualization platforms (VMware, Proxmox, KVM).
• Familiarity with security policies and backup/disaster recovery concepts.
• Good command of English and ability to work in a hybrid environment.

Responsibilities

• Manage installation, configuration, patching, upgrades, and security of Linux and Windows-based server environments
• Monitor system performance, conduct capacity planning, troubleshoot, and optimize systems
• Administer user access management, identity integration, and security policies
• Plan and maintain backup, DR, and BC planning solutions
• Develop automation using Bash, Python, PowerShell, Perl, Ruby, or Go
• Administer web servers (Apache, Nginx) and databases (MySQL, PostgreSQL, MongoDB)
• Use monitoring tools like Zabbix, ELK, Prometheus, Grafana for health checks
• Deploy and manage virtualization platforms and clusters
• Evaluate and support virtualization technologies including VMware, Proxmox, KVM
• Manage VM lifecycle: provisioning, migration, optimization, decommissioning
• Collaborate with infrastructure, security, cloud, and app teams
• Participate in modernization and virtualization transformation projects

Skills

Linux

Bash scripting

Troubleshooting

Networking

English proficiency

Hybrid work capability

Tools

VMware vSphere

Proxmox VE

KVM/QEMU

Docker

Kubernetes

Ansible

Terraform

RHCSA

RHCE

Job description

Kastamonu Entegre Ağaç Sanayi is seeking a System Support Senior Specialist for its IT Team in Altunizade, Istanbul. The role focuses on server management, automation, disaster recovery, and security across Linux and Windows environments.

You will work with virtualization tech and modern observability tools. You will contribute to enterprise-scale infrastructure, collaborate across teams, and participate in modernization projects while ensuring system health and compliance with corporate