System Administrator

Uni Systems

Athens, Greece

Description

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a System Administrator to join our UniQue team.

What will you be bringing to the team?

Administer and manage servers, cloud environments (Azure, AWS), and containerized systems;
Install, integrate, and maintain applications, CI/CD pipelines, and database systems;
Apply patches, automate administrative tasks, and ensure system and network security;
Deploy and manage infrastructure using Infrastructure as Code (IaC) practices;
Administer Active Directory (AD), Azure AD, messaging systems, and SharePoint environments;
Monitor system performance, perform backups, and manage disaster recovery;
Maintain SAN infrastructure, web services, and documentation;
Analyze and resolve incidents in collaboration with developers and front-office administrators;
Provide on-call standby support for critical systems.

Requirements

What do you need to succeed in this position?

University degree in a relevant field;
Minimum 3 years of experience in System Administration;
Proven experience in troubleshooting and diagnostic procedures;
Strong knowledge and practical experience with ITIL practices;
Solid understanding of server and storage hardware;
Proficiency in Microsoft and Linux operating systems;
Hands-on with Microsoft virtualization solutions, Azure, and cloud computing platforms;
Familiarity with server applications Experience configuring Microsoft ADFS;
Knowledge of containerization and orchestration tools (e.g., Docker, Kubernetes, Rancher, Argo CD);
Proficiency in scripting;
ITIL Foundation certification is desirable;
Εxcellent use of the English language (verbal & written).