Senior System Support Specialist - Linux & Virtualization

Kastamonu Entegre; Üsküdar; On-site; TRY 300,000 - 460,000; Full time

Job summary

Kastamonu Entegre Ağaç Sanayi in Istanbul seeks a System Support Senior Specialist to manage and secure enterprise Linux and Windows servers, monitor performance, and support virtualization across on-premises or hybrid environments.

You will implement backup/DR/BCP, automate with Bash, Python, PowerShell, and work with CI/CD and cloud integration as part of modernization. Minimum 5 years in Linux administration; RHCSA/RHCE preferred; hybrid work near Altunizade.

Qualifications

• Minimum 5 years of hands-on Linux System Administration experience.
• Experience managing enterprise-scale infrastructure and virtualization environments.
• Familiarity with cloud platforms and on-premises/hybrid environments.

Responsibilities

• Manage installation, configuration, patching, upgrades, and security of Linux and Windows-based server environments.
• Monitor system performance and plan capacity; troubleshoot and optimize.
• Administer access management, identity integration, and security policies.
• Plan, implement, and maintain backup, DR, and BCP solutions.
• Develop automation using Bash, Python, PowerShell, Perl, Ruby, or Go.
• Manage web servers (Apache, Nginx) and databases (MySQL, PostgreSQL, MongoDB).
• Utilize monitoring platforms like Zabbix, ELK, Prometheus, Grafana for health checks.
• Deploy and manage virtualization platforms and clusters (VMware, Proxmox, KVM/QEMU).
• Collaborate with infra, security, cloud, and app teams on scalable IT solutions.

Skills

Linux

Bash scripting

System administration

Networking

Security

Hybrid environment

Tools

Docker

Kubernetes

Ansible

Terraform

VMware

Proxmox

KVM

Job description

Kastamonu Entegre Ağaç Sanayi in Istanbul seeks a System Support Senior Specialist to manage and secure enterprise Linux and Windows servers, monitor performance, and support virtualization across on-premises or hybrid environments.

You will implement backup/DR/BCP, automate with Bash, Python, PowerShell, and work with CI/CD and cloud integration as part of modernization. Minimum 5 years in Linux administration; RHCSA/RHCE preferred; hybrid work near Altunizade.