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Linux/Unix Administrator
Company name: Seargin Sp. z o.o
Company size: 500+ people
Warsaw/Remote, Poland
Job Specification

Website Seargin_ Seargin Sp. z o.o


Seargin is looking for a Linux/Unix Administrator

  • Position: Linux/Unix Administrator
  • Technologies: Linux, Unix, Java
  • Localization: Warsaw/Remote
  • Area: Project 
  • Form of employment:  Permanent contract
  • Experience Level: Senior
Main tasks for the Linux/Unix Administrator will be:
  • Provide solutions and possibilities in terms of systems architecture and configuration
  • Manage capacity, improve process, design system architecture, and perform technology refreshes
  • Organize, apply, install, build, customize, support system and test server infrastructure
  • Lead infrastructure related projects and resolve highly complicated issues operating multiple technologies
  • Support with improving methods that will cover all areas of engineering, taking into account the varied requirements for authentication, security, backup, replication, availability
  • Manage and oversee actual servers for quality, data recoverability and performance to analyze areas of development
  • Guarantee that system operations are correct, including any necessary updates, restarting, recovery and reconfiguration
  • Do a performance tuning, capacity planning, project justification and procurement according to procurement processes and policies
  • Apply changes according to Change Release rules
  • Install security setup and controls on Unix/Linux based mission-critical applications and systems
  • Take care of incident logging/upgrade incident, chronology into situation management system
  • Find and remove technical problems in complex systems, utilizing controlling and other analysis tools to guarantee optimal system performance
  • Maintain technical documentation, reports and records regarding infrastructure solutions

The Candidate should have:
  • At least of 6 years of working experience in Unix system support, enterprise systems management, maintaining and implementing 24×7 mission-critical applications & systems
  • Proven experience with Unix administration
  • Operative experience on LVM, ZFS, UFS, SVM etc.
  • Practical experience of Linux updating using Red Hat Satellite / YUM
  • Significant knowledge and experience in Middleware (Oracle Database/BPM/Weblogic) on Red Hat Linux or Unix based systems, Java & Unix shells and coding
  • Well known Linux/Unix shell programming
  • Comfortable work with a high-pressure environment to meet deadlines
  • Working experience in a global team with colleagues based in different countries

Preferred Experience
  • Working knowledge of
    • Network/Storage/Backup tools, Apache / Internet Information Server (IIS) Web server, Firewalls, SAN, DRP (disaster recovery plan) and BCP (business continuity plan)
  • Familiarity with TCP/IP networking, load balancing, firewalls, etc.
  • Proficiency with network tools like iptables, Linux IPVS, HAProxy, etc.
  • Practical knowledge of VMware infrastructure
  • Team-oriented, detail-oriented, efficient and solution-oriented attitude
  • Superb analytical and problem solving skills
  • Excellent communication and interpersonal skills
  • Flexibility and ability to work independently and in a team
  • Great English skills (written and spoken)

The Candidate can expect:
  • Permanent Contract
  • Challenging job in an international and multilingual environment
  • Professional development
  • Attractive and competitive compensation

If you meet requirements described above, please send your application in English (.doc) at, stating the name of the position in a subject and/or call +(48) 508 861 255.

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    "I hereby give consent for my personal data included in my application to be processed by Seargin Sp. z o. o. for the purposes of a future recruitment processes under the Personal Data Protection Act. I provide my personal data voluntarily understanding that without it a proper recruitment process is deemed impossible.
    Your personal data is processed by Seargin Sp. z o.o. Data protection inspector can be reached via email address
    Your data can be made available to IT/technology related partners only as far as the recruitment process is concerned. You have a right to request the administrator to fully access, adjust, remove or limit the processing activities of your data. The consent can be withdrew at any time and in case of breach of GDPR laws you have a right to report that to an appropriate agency. Administrator does not intend to apply technics of automated decision taking such as profiling."

    Company size: 500+
    Main location:Poland
    Seargin Sp. z o.o
    Warsaw/Remote, Poland
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