Qureos

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Linux Administrator

Karachi, Pakistan

We are seeking a skilled Linux Administrator to join our team and manage the installation, configuration, and maintenance of Linux-based systems. The role involves ensuring system stability, performance, and security while supporting business-critical applications. The ideal candidate should have hands-on experience with Linux environments, networking services, virtualization, and system security best practices.

Key Responsibilities:

  • Install, configure, and maintain Linux servers (Ubuntu, CentOS, RHEL, or similar).
  • Monitor server performance, troubleshoot issues, and ensure high system availability.
  • Perform regular updates, apply patches, and implement security hardening measures.
  • Manage user accounts, file systems, and permissions to maintain secure environments.
  • Configure and support networking services such as DNS, DHCP, NFS, SSH, and FTP.
  • Implement and manage backup, recovery, and disaster recovery strategies.
  • Monitor and analyze server logs, system health checks, and resource utilization.
  • Support deployment and management of applications, containers, and virtualization (VMware, KVM, Proxmox).
  • Collaborate with development and IT teams to streamline system operations.
  • Secure systems with firewalls, access control, and vulnerability management practices.
  • Maintain accurate documentation of configurations, processes, and standard operating procedures.

Qualifications & Skills:

  • Education: Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent experience).
  • Experience: 2–4 years of proven experience as a Linux System Administrator or similar role.
  • Technical Skills:
  • Strong knowledge of Linux OS (Ubuntu, CentOS, RHEL, etc.)
  • Hands-on experience with server administration, shell scripting, and automation tools
  • Familiarity with networking protocols and services (TCP/IP, DNS, DHCP, NFS, etc.)
  • Experience with virtualization and containerization platforms (VMware, KVM, Proxmox, Docker)
  • Knowledge of system monitoring tools (Nagios, Zabbix, Prometheus, etc.)
  • Understanding of firewalls, security policies, and vulnerability management
  • Soft Skills:
  • Strong problem-solving and troubleshooting abilities
  • Good communication and teamwork skills
  • Ability to work in a fast-paced, dynamic environment
  • Attention to detail and a proactive approach to system management

Job Type: Full-time

Work Location: In person

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