Linux System Administrator

8 hours ago


Abuja, FCT, Nigeria Dotmac Technologies LTD Full time

We are seeking a highly skilled Linux System Administrator to manage and maintain our Ubuntu-based server infrastructure.

Key Responsibilities:

  • Install, configure, and maintain Ubuntu servers in a production environment.
  • Monitor and optimize system performance, including CPU, memory, storage, and network resources.
  • Implement and manage server security, including firewalls, access control, and vulnerability patching.
  • Automate routine tasks and server deployments using scripting and configuration management tools.
  • Ensure system backups and disaster recovery solutions are in place and tested regularly.
  • Manage network services such as DNS, VPN, and SSH for secure access and connectivity.
  • Troubleshoot and resolve hardware and software issues, including network connectivity and performance problems.
  • Maintain and monitor server health using appropriate monitoring tools, responding to alerts and taking proactive measures.
  • Document system configurations, procedures, and policies for future reference and team use.
  • Collaborate with development, operations, and support teams to ensure seamless delivery of services.

Requirements:

  • 1-2 years proven experience as a Linux/Ubuntu System Administrator in a production environment.
  • Strong knowledge of Linux system internals, performance tuning, and troubleshooting.
  • Proficiency in scripting languages such as Bash, Python, or Perl for automation.
  • Experience with managing network services, firewalls, and security best practices.
  • Solid understanding of virtualization technologies.
  • Familiarity with system monitoring and performance management tools.
  • Excellent problem-solving skills and the ability to work under pressure.
  • Strong communication skills for collaborating with teams and documenting procedures.

Preferred Qualifications:

  • Experience with configuration management and automation tools.
  • Familiarity with cloud environments and infrastructure management.
  • Certifications in Linux system administration or related fields.


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