Linux System Administrator

Posted 4 Days Ago
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Warsaw, Warszawa, Masovian
7+ Years Experience
Information Technology
The Role
Monitoring and administration of ECN systems, planning and performing system infrastructure tasks, troubleshooting incidents, and maintaining documentation for daily operations.
Summary Generated by Built In

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

Top Skills

Linux
The Company
Luxembourg
1,493 Employees
On-site Workplace
Year Founded: 2003

What We Do

Arηs Group is a market leader in the management of complex IT projects and systems. Founded in Luxembourg in 2003, we’ve grown organically to encompass 16 entities worldwide with over 2,500 employees in Luxembourg, Belgium, France, Greece, Italy, Portugal, Bulgaria and Jordan. With our focus on getting things done, we help our clients achieve their goals with best-of-breed solutions, superior execution and exceptional services. We offer bespoke software development, data science, infrastructure, digital trust and mobile development to government institutions at national and European level, telecom providers, and financial institutions, among others. Our bold company culture is built around working hard and playing hard, with a flat and agile structure that lends itself to efficiency and employee empowerment. We value our diverse workplace of close-knit teams and provide a place where everyone can be supported to learn and evolve.

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