Senior System Support Engineer – Linux & Automation

Kastamonu Entegre; Üsküdar; Hybrid; TRY 350,000 - 650,000; Full time

Job summary

Kastamonu Entegre Headquarters in Istanbul is seeking a System Support Senior Specialist for our IT Team. The role is based in Altunizade and focuses on managing Linux/Windows servers, security, and automation to support enterprise infrastructure.

You will work across virtualization platforms (VMware, Proxmox, KVM), cloud familiarity, and monitoring tools to ensure reliability. A minimum of 5 years of Linux system administration experience is required; RHCSA/RHCE or similar certifications are

Qualifications

• Minimum 5 years of hands-on Linux System Administration experience.
• Experience managing enterprise-scale infrastructure and virtualization environments.
• Experience with at least one enterprise virtualization platform (VMware, Proxmox, KVM, Hyper-V, Nutanix, etc.)
• Strong troubleshooting of complex infrastructure issues in on-premises, hybrid-cloud or cloud-native environments.

Responsibilities

• Manage installation, configuration, patching, upgrades, and security of Linux and Windows-based server environments.
• Monitor system performance, capacity planning, troubleshoot, and implement optimization initiatives.
• Administer user access management, identity integration, and security policies per corporate standards.
• Plan, implement, and maintain backup, disaster recovery (DR), and business continuity (BCP) solutions.
• Develop automation and operational efficiency using scripting languages (Bash, Python, PowerShell, Perl, Ruby, Go).
• Perform administration for web servers (Apache, Nginx) and databases (MySQL, PostgreSQL, MongoDB).
• Utilize monitoring/observability platforms (Zabbix, ELK, Prometheus, Grafana) to ensure health and availability.
• Deploy, configure, and manage virtualization platforms/clusters in enterprise environments.
• Evaluate and support virtualization technologies (VMware vSphere, Proxmox VE, KVM/QEMU).
• Collaborate with infrastructure, security, cloud, and application teams to deliver scalable IT solutions.

Skills

Linux

Bash scripting

System administration

Troubleshooting

Networking security

Hybrid environment experience

Tools

Docker

Kubernetes

Ansible

Terraform

Job description

Kastamonu Entegre Headquarters in Istanbul is seeking a System Support Senior Specialist for our IT Team. The role is based in Altunizade and focuses on managing Linux/Windows servers, security, and automation to support enterprise infrastructure.

You will work across virtualization platforms (VMware, Proxmox, KVM), cloud familiarity, and monitoring tools to ensure reliability. A minimum of 5 years of Linux system administration experience is required; RHCSA/RHCE or similar certifications are