Senior Linux Systems Engineer - Kubernetes & CI/CD

Gizli Şirket; Fatih; On-site; TRY 400,000 - 620,000; Full time

Job summary

Gizli Şirket is seeking an experienced Senior Linux System Administrator to manage large-scale Unix/Linux infrastructures, implement security controls, monitor performance, and handle backups and recovery.

The ideal candidate has 5+ years of hands-on Linux experience, scripting (Bash/Python), Docker and Kubernetes, CI/CD exposure, and familiarity with ISO 27001/NIST standards.

Experience with cloud platforms (AWS/Azure/GCP) and monitoring tools (Prometheus, Grafana, Zabbix) is preferred.

Qualifications

• Minimum 5 years of experience managing large-scale IT infrastructures and enterprise-level Unix/Linux systems.
• Proficiency in Bash or Python scripting.
• Knowledge of network protocols, firewalls, VPNs and network configurations.
• Familiarity with CI/CD processes and IT governance standards.
• Experience with monitoring tools and security best practices.

Responsibilities

• Install, configure, and manage Unix/Linux servers (Red Hat, SUSE, Ubuntu, etc.).
• Implement server performance and security monitoring systems.
• Manage users and permissions; perform updates and patches.
• Monitor system performance, analyze logs, and optimize as needed.
• Configure backup solutions and test disaster recovery scenarios.
• Apply security patches and mitigate vulnerabilities.
• Maintain system documentation and runbooks.
• Work with Docker and Kubernetes for container management (preferred).
• Familiarity with COBIT, ITIL, ISO 27001 standards and CIS/NIST/PCI-DSS frameworks.

Skills

Unix/Linux administration

Bash/Python scripting

Networking & security concepts

CI/CD processes

Team communication

Education

Bachelor's degree in Computer Engineering or related field

Tools

Docker

Kubernetes

Ansible

Nginx/Apache

Prometheus/Grafana/Zabbix

SSH/Firewall/VPN

Job description

Gizli Şirket is seeking an experienced Senior Linux System Administrator to manage large-scale Unix/Linux infrastructures, implement security controls, monitor performance, and handle backups and recovery.

The ideal candidate has 5+ years of hands-on Linux experience, scripting (Bash/Python), Docker and Kubernetes, CI/CD exposure, and familiarity with ISO 27001/NIST standards.

Experience with cloud platforms (AWS/Azure/GCP) and monitoring tools (Prometheus, Grafana, Zabbix) is preferred.