Hybrid Linux Systems Engineer, Fintech

at Optasia

• Job title: Linux Systems Engineer, Fintech
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Ansible, DNS, Grafana, Jenkins, Linux, Python
• Location requirements: Hybrid, Athens, Greece

About the role

• Linux Systems Engineer maintaining Red Hat and Debian systems for a B2B financial technology platform. Focusing on security, performance, and incident management across environments.

Responsibilities

• Administer and maintain Linux systems (Red Hat and Debian) across production and staging environments.
• Perform regular patching, system updates, and security hardening.
• Manage and monitor system performance using Nagios, Grafana, and related tools.
• Support and maintain applications including Passbolt, DNS, FreeIPA, Radius, Jenkins, and Red Hat Satellite.
• Handle incident management, troubleshooting, and root cause analysis to ensure system reliability and uptime.
• Participate in operations & maintenance tasks and system improvement initiatives.
• Track and manage licenses, End of Support, and End of Life for Linux assets and software.
• Collaborate with cross-functional teams to support infrastructure and authentication services.
• Maintain accurate documentation for configurations, changes, and operational procedures.

Requirements

• 3-5 years of hands-on experience as a Linux Systems Engineer or Administrator.
• Strong knowledge of Red Hat Enterprise Linux and Debian administration.
• Experience with FreeIPA, DNS, and Red Hat Satellite.
• Familiarity with Nagios, Grafana, and Radius.
• Solid understanding of system patching, incident management, and O&M processes.
• Scripting or automation skills (Bash, Python, Ansible).

Benefits

• 💸 Competitive remuneration package
• 🏝 Extra day off on your birthday
• 💰 Performance-based bonus scheme
• 💻 All the tech gear you need to work smart