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Senior Linux Administrator

  • Senior
  • Remote
  • Poland

Technologies & tools

We are looking for an experienced Linux Administrator to join our team responsible for maintaining the IT infrastructure at a public sector client.

Your tasks

  • Administer, monitor and maintain Linux (RedHat) environments
  • Identifying and resolving performance issues with servers and applications running on Linux systems
  • Creating and enforcing security policies, updating systems to address security vulnerabilities
  • Writing scripts to automate administrative tasks and managing system configurations
  • Managing user accounts, configuring roles and overseeing access to systems and applications
  • Monitoring systems (Zabbix) and creating performance and security reports
  • Diagnostics of system and application failures and analysis of server logs to identify and eliminate problems
  • Configuring and managing virtual machines
  • Documenting administrative procedures, security processes and system configuration instructions
  • Participate in technical meetings and collaborate with other teams to ensure service stability and security

Requirements

  • Minimum 10 years of professional experience in the area of administering scalable high availability infrastructure
  • Proficient knowledge of Linux (RedHat) server systems - installation, configuration, troubleshooting, VMware vSphere
  • Practical ability to administer Kubernetes Cluster (Rancher)
  • General knowledge of application and web server administration, i.e. Apache, nginx, Tomcat, JBoss, WebLogic, subject to specialization in one of them
  • Ability to write automation scripts in Shell (Bash, ksh) or Python, or Perl
  • Knowledge of one of the automation tools i.e. Terraform or Ansible
  • Experience working with infrastructure and systems monitoring tools (Zabbix)
  • Understanding of IT security issues
  • RedHat Architect/RH Specialist in Containers and Kubernetes/RH EAS certification or equivalent
  • Fluency in Polish language required
  • Residency in Poland required

Job no. 250425-FLG5Q

Technologies & tools

We are looking for an experienced Linux Administrator to join our team responsible for maintaining the IT infrastructure at a public sector client.

Your tasks

  • Administer, monitor and maintain Linux (RedHat) environments
  • Identifying and resolving performance issues with servers and applications running on Linux systems
  • Creating and enforcing security policies, updating systems to address security vulnerabilities
  • Writing scripts to automate administrative tasks and managing system configurations
  • Managing user accounts, configuring roles and overseeing access to systems and applications
  • Monitoring systems (Zabbix) and creating performance and security reports
  • Diagnostics of system and application failures and analysis of server logs to identify and eliminate problems
  • Configuring and managing virtual machines
  • Documenting administrative procedures, security processes and system configuration instructions
  • Participate in technical meetings and collaborate with other teams to ensure service stability and security

Requirements

  • Minimum 10 years of professional experience in the area of administering scalable high availability infrastructure
  • Proficient knowledge of Linux (RedHat) server systems - installation, configuration, troubleshooting, VMware vSphere
  • Practical ability to administer Kubernetes Cluster (Rancher)
  • General knowledge of application and web server administration, i.e. Apache, nginx, Tomcat, JBoss, WebLogic, subject to specialization in one of them
  • Ability to write automation scripts in Shell (Bash, ksh) or Python, or Perl
  • Knowledge of one of the automation tools i.e. Terraform or Ansible
  • Experience working with infrastructure and systems monitoring tools (Zabbix)
  • Understanding of IT security issues
  • RedHat Architect/RH Specialist in Containers and Kubernetes/RH EAS certification or equivalent
  • Fluency in Polish language required
  • Residency in Poland required

Job no. 250425-FLG5Q

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