Linux System Administrator

6 Months ago • 8 Years + • Administrative

Job Details

Company Description

Arηs is a fully independent group of companies specialized in managing complex IT projects and systems for large organisations, focusing on state-of-the-art software development, digital trust, cloud, data science, mobile development, machine learning and infrastructure services.

We are composed of 16 entities across 8 countries worldwide that are unified by the Arηs Group, with more than 2500 consultants. This corporate structure enables us to respond quickly to market changes and customer requests, and to communicate and make decisions without layers of bureaucracy.

Established in 2016, the Greek entity Arηs Developments Hellas aims to extend Arηs Group activities dedicated to the European market providing high-quality services in Software Development, covering the entire application development lifecycle.

Job Description

  • Monitoring and administration of ECN systems
  • Reporting hardware failures
  • Planning, testing and performing tasks on the systems infrastructure of the ECN-related changes like installing, configuring, tuning, patching, and upgrading both hardware and software
  • Upgrade Software, Hardware and Firmware
  • Test new versions of software, releases and configurations
  • Troubleshooting and solving of any reported incidents and problems
  • Production and maintenance of documentation for daily operations, e.g. standard operational procedures, checklists, workflows and diagrams

Qualifications

  • Bachelor plus a minimum of 8 years of relevant professional experience
  • Linux Administration Certification (LPIC-1, RHCSA or other relevant)
  • Presents excellent command of English, at least at B2 level
  • At least 4 years of hands-on experience relevant to the job
  • Hands-on experience in Linux systems administration, network, security and systems in Open Source Software
  • Hands-on experience in relational database administration
  • Hands-on experience in administering virtual infrastructures (Vmware technologies)
  • Hands-on experience in implementing, configuring, and administering of open source monitoring systems
  • Hands-on experience in working with Ansible - creating/modifying/executing playbooks
  • Hands-on experience in the administration of Ubuntu systems, RedHat systems, PostgreSQL, MySQL, and Jackrabbit technologies
  • Hands-on experience providing 2nd line IT support – delivering, supporting and maintaining end users' workstation environment
  • Expertise in analyzing and troubleshooting, preferably in relation to large-scale distributed systems
  • Solid scripting skills
  • Solid Linux Systems Administration skills
  • Works unassisted and guides, junior staff
  • Works unassisted and guides, junior staff
  • Very strong sense of responsibility - Accuracy and attention to details
  • Open-minded, excellent troubleshooting, analytical and problem-solving skills
  • Very good organizational skills
  • Very good communication skills
  • Supportive and helpful personality with a cooperative and service-oriented attitude
  • Ability to work in a stressful environment with minimal supervision
  • Forward-looking with a holistic approach
  • High level of motivation and initiative

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About The Company

We are a fully independent group of companies specialised in managing complex IT projects and systems. Arηs analyses complexity and delivers simplicity in order to improve our society through reliable, efficient IT Systems. Our vision is to be the most caring and reliable IT company on the marketplace for both our clients and our people. Our values are: caring, agility, excellence, innovation, continual improvement. Our values support our vision by leveraging excellence, striving for results, ensuring commitment and promoting adaptability.

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