Position: Linux System Administrator
Company: IT-Rex
Experience required: 3y
English level: intermediate

Looking for a Linux System Administrator.
Location: Bulgaria, Sofia.
A1 Bulgaria since 2018, before that the company was called Mtel. We have aquired multiple companies such as Blizoo in 2015 and Stemo in 2022.
Requirements:
- Minimum 3 years of previous experience in a similar position;
- Technical or IT Master’s degree;
- Professional experience in Linux OS installation, configuration and administration ( RHEL, SUSE, Ubuntu etc.) in virtualized environments and/or bare-metal;
- Experience with Container and Orchestration Platforms like Red Hat OpenShift, Kubernetes;
- Experience in installing, configuring, and maintaining services such as Bind, Postfix, Apache, Nginx, MySQL etc.;
- Good written and verbal communication skills in English.
Any of the below will be considered an advantage:
- Being familiar with VMware virtualization technologies;
- A passion for scripting (Bash, Python) and automation (Ansible);
- Good knowledge of network tools such as iptables, HAProxy, load balancing, firewalls.
Responsibilities:
- Perform ongoing operational maintenance on the company’s large scale and complex Linux environment;
- Support new and ongoing implementation projects by contributing to the design, sizing and specifications required for new builds, or changes to existing environments;
- Proactively evaluate and improve the environment with a focus on Linux servers and services;
- Maintain the life cycle of managed server systems;
- Ensure operational SLA targets and KPIs are met.