Freelancer profile translated to English.

Description

Linux System Administrator with 12 years of experience in DevOps and complex IT infrastructures. Most experienced in Linux, Ansible, Satellite, OpenShift, and system administration automation.

I work independently, efficiently, and proactively, with an eye for stability, security, and scalability.

I have experience in enterprise environments such as logistics, government, and telecom. Deployable both project-based and operationally, on-site or remote.

Languages

Dutch
Native or bilingual
English
Fluent
Turkish
Native or bilingual
French
Basic

Workplace preferences

Can work on-site

Mere (up to 40km)

DHL
Freelance Consultant & Linux System Administrator
TRANSPORTATION
October 2024 - Today (1 year and 8 months)
Diegem, Belgium
DHL Global Aviation IT
Freelance Contractor as Linux System Administrator

- Keep server systems running smoothly and securely around the world, following DHL’s rules.
- Manage and update RHEL systems with Red Hat Satellite.
- Check system health using Centreon and Nagios to fix problems early.
- Use Ansible to automate tasks, making server and app management easier.
- Set up and maintain Apache and Tomcat servers for secure and fast performance.
- Help with OpenShift projects for managing container apps.
- Set up and assist with Jboss/Wildfly projects .
- Perform maintenance on systems and servers in DHL data centers worldwide.
- Plan and build server systems to support business needs now and in the future.
- Set up clustering to keep apps running with minimal downtime.
- Write scripts to automate tasks and reduce manual work.
Ansible Linux Red Hat Linux Jboss Docker
Dioss Smart Solutions
Linux System Administrator
DIGITAL AND IT
March 2021 - October 2024 (3 years and 7 months)
Wetteren, Belgium
As Linux System Administrator at Dioss Smart Solutions, I was responsible for maintaining nearly 100 Linux servers, ensuring their performance and security through effective system administration and monitoring.

Daily Responsibilities:
• Administer and optimize Linux servers (Ubuntu and Debian).
• Manage and configure network security solutions (OPNsense, Fortigate).
• Monitor IT infrastructure with Zabbix.
• Implement and maintain IPsec VPNs for secure data transmission.
• Configure and support Proxmox clusters with ZFS and Ceph.
Debian Linux Ubuntu Proxmox Server
Randstad Digital
DevOps Engineer
DIGITAL AND IT
September 2019 - March 2021 (1 year and 6 months)
Transport & Mobility Leuven, Linden, VB, Belgium
As a DevOps Engineer at AUSY, I played a key role in deploying and managing Drupal and Symfony websites, integrating DevOps culture within a Linux environment to streamline processes and enhance performance.

Daily Responsibilities:
• Deploy Drupal and Symfony web applications using a DevOps approach.
• Manage version control and CI/CD pipelines using GitLab and Bitbucket.
• Configure and optimize HAProxy, Varnish, Caddy and Nginx for better load balancing and performance.
• Enhance System Security: Implement and manage advanced security measures across development and production environments to safeguard sensitive data and ensure compliance with security standards.
• Optimize Resource Utilization: Analyze system metrics to identify bottlenecks and optimize resource utilization across multiple platforms, enhancing overall system efficiency and reducing costs.