Cemal Aytekin
DevOps Engineer
Istanbul
Overview
2025
2025
years of professional experience
9
9
Certificates
1
1
Language
Work History
DevOps Engineer | Linux System Administrator
Veribox Technology
11.2023 - Current
- Monitored automated build and continuous software integration process to drive build/release failure resolution
- Utilized Ha-proxy, PostgreSQL, rancher, GitLab, Docker, Kafka and Kubernetes Clusters to convert customers' monolithic applications into microservice architectures
- Worked with software development and testing team members to design and develop robust solutions to meet client requirements for functionality, scalability, and performance
- Manage large scale Linux server environments: handling Linux environment, including deployment, administration, networking, performance monitoring and tuning, trouble shooting and production operations
- Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands
- Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system/user requirements
- Installation, configuration and managing K8s Rancher environments
- Updating Gitlab projects dockerfile, deployment yaml and Jenkins files
- Installation and managing Docker
- Installation and configuration MongoDB Cluster
- RedHat, Ubuntu, Centos server installation, configuration and management
- Work with VMware platform and management tools
- Manage relationship between Engineering and Software Development, coordinate work between the two.
DevOps Engineer | Linux System Administrator
Veribox Technology
1 2021 - 4 2023
- Manage large scale Linux server environments: handling Linux environment, including deployment, administration, networking, performance monitoring and tuning, trouble shooting and production operations
- Installation, configuration and managing K8s Rancher environments
- Updating Gitlab projects dockerfile, deployment yaml and Jenkins files
- Installation and managing Docker
- Installation and configuration MongoDB Cluster
- PostgreSQL High-Availability Cluster (Pgbouncer-Patroni-HAProxy) installation and management
- MySQL Cluster installation and management
- RedHat, Ubuntu, Centos server installation, configuration and management.
Noc Specialist
N11
04.2023 - 11.2023
- Analyze and troubleshoot the logs and tracks the nature and resolution of problems
- Monitors usage to ensure the security of data and access privileges
- (Grafana, Splunk, Zabbix, Opsgenie, ELK, Pingturk, Uptrends)
Jr. DevOps Engineer | Linux System Admin
Ewosis
03.2020 - 01.2021
- Manage large scale Linux server environments: handling Linux environment, including deployment, administration, networking, performance monitoring and tuning, trouble shooting and production operations
- Installation, configuration and managing K8s Rancher environments
- Updating Gitlab projects dockerfile, deployment yaml and Jenkins files
- Installation and managing Docker
- Installation and configuration MongoDB Cluster
- PostgreSQL High-Availability Cluster (Pgbouncer-Patroni-HAProxy) installation and management
- MySQL Cluster installation and management
- RedHat, Ubuntu, Centos server installation, configuration and management.
Skills
Linux operating systems
Certification
Red Hat Sales Specialist - Hybrid Cloud Infrastructure
Timeline
DevOps Engineer | Linux System Administrator
Veribox Technology
11.2023 - Current
Noc Specialist
N11
04.2023 - 11.2023
Jr. DevOps Engineer | Linux System Admin
Ewosis
03.2020 - 01.2021
DevOps Engineer | Linux System Administrator
Veribox Technology
1 2021 - 4 2023
Languages
German
Projects
Linux System Administrator | Jr. DevOps Engineer, 02/01/22, 05/01/23, Ministry of Interior, Ministry of Justice, Ministry of Trade, Postgresql database migration, installation, backup configuration (Vmware, Crontab), basic knowledge about SQL queries., Basic datacenter knowledge., Graylog, grayelk installation and configuration., Problem solving and trouble shooting on K8s and Linux environments 24/7., NTP server installation and configuration. (ntpd, systemd-timesync, chrony), Capacity planning for servers, workstations, and storage. Linux System Administrator | Jr. DevOps Engineer, 01/01/21, 02/01/22, Yıldız Holding, Doğan E-Dönüşüm, Ipsos, Kodris, HD İskender, Manage large scale Linux server environments: handling Linux environment, including deployment, administration, networking, performance monitoring and tuning, trouble shooting and production operations., Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands., Resolve technical issues related to infrastructure.