Linux Engineer

Linux Engineer

Uni Systems · Athens, Greece (Hybrid) · Full-time · Posted 2026-10-21

Workplace: hybrid

Department: CIET & RDBMS Services

Description

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Linux Engineer to join our UniQue team, part of our Professional Services Department.

Our UniQue people come from a variety of different backgrounds and industries, with different skillsets and approaches, but they have one thing in common: passion for technology and innovation!

This role is for candidates who can install, administer, and maintain Linux systems, automate operational procedures, troubleshoot complex issues, and improve the reliability, availability, and security of critical data platforms, including PostgreSQL and Elasticsearch environments.

For the Linux Engineer role we expect you to:

• Integrate, administer, and maintain Linux systems, including new installations, patching, monitoring, troubleshooting, and day-to-day administration.
• Deploy, configure, and administer PostgreSQL and Elasticsearch systems, including installations, patching, monitoring, and troubleshooting.
• Design, implement, and support Disaster Recovery (DR), High Availability (HA), and backup strategies for Linux systems.
• Implement and maintain security best practices across Linux environments.
• Automate system administration and operational tasks using Bash scripting and Ansible.

Requirements

What do you need to succeed in this position?

Your experience, skillset and qualifications are going to help you succeed in this position, moving forward.

• University/College Degree in Computer Science, Engineering, Information Technology, or a related field.
• 3+ years of proven work experience as a Unix/Linux Engineer.
• Hands-on experience with PostgreSQL and/or Elasticsearch.
• Solid scripting skills in Bash and/or Python.
• Basic understanding of networking principles and security concepts.
• Familiarity with cloud native technologies and containers.
• Experience working in highly available, enterprise, or critical infrastructure environments.
• Ability to create and maintain technical documentation.
• Effective communication skills with customers and internal stakeholders.
• Experience leveraging AI code tools to improve productivity and quality.
• Excellent written and verbal communication skills in English

Benefits

What are we offering to our UniQue IT People?

• People-first approach and open environment to express your ideas
• Work-life balance and a hybrid work model
• Continuous training and development
• Opportunities to join innovation initiatives
• Ticket restaurant – meal vouchers
• Corporate laptop and equipment
• Corporate mobile phone subscription
• Health and insurance plan for you and your family members
• Employee consulting and guidance support
• Discounts on the services and products of our Group’s companies
• Gift vouchers for major life milestones
• Special work schedule on summer Fridays and birthdays

Our UniQue IT people are the most valuable part of Uni Systems; their knowledge and experience have made us the leading and reliable systems integrator of today and have contributed to our steady financial growth. We have created and are maintaining a stable working environment for our employees, with countless opportunities to innovate and thrive. Our work culture recognizes our UniQue IT people and supports the free sharing of ideas and the flow of information via open communication while appreciating and effectively utilizing the talents, skills, and perspectives of each employee.

At Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation or any other characteristics. Take a look at our Diversity, Equality & Inclusion Policy for more information.

Apply

Apply at Uni Systems

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