Senior System Admin - Tool Linux

Job Description

• Linux Administration: Install, configure, maintain, and troubleshoot Linux-based servers (RHEL, CentOS, Ubuntu, or others).

• Manage upgrades, patching, and system performance tuning.

• Automation & Tools: Develop and maintain automation scripts/tools using Bash, Python

• Implement and manage tools like Ansible, Foreman, MAAS, Puppet, Chef, SaltStack, or Terraform for infrastructure as code (IaC).

• Monitoring & Performance Optimization: Deploy and configure monitoring tools like Nagios, Zabbix, Prometheus, or Grafana.

• Analyze and resolve performance bottlenecks in Linux systems and applications.

• Security & Compliance:

• Enforce security best practices, including vulnerability assessment and remediation.

• Manage firewalls, SELinux, and access control for secure environments.

• Cloud & Virtualization: Work with virtualization platforms (VMware, KVM) and container orchestration tools (Docker, Kubernetes).

• Manage hybrid or cloud-based infrastructure using AWS, Azure, or Google Cloud.

• Implement and Manage end-to-end Cloud Orchestration

• Collaboration & Leadership: Collaborate with cross-functional teams, including DevOps and software engineering, to ensure seamless integration of applications.

• Provide mentorship and training to junior Linux administrators.

• Documentation & Reporting: Maintain detailed documentation for systems, procedures, and configurations.

• Generate reports on system performance, security, and availability metrics.

• Expert knowledge of Linux operating systems (RHEL, CentOS, Ubuntu).

• Proficiency in scripting languages (Bash, Python, Perl).

• Strong understanding of networking (TCP/IP, DNS, DHCP, firewalls).

• Experience with automation tools (Ansible, Puppet, Chef, Terraform).

• Experience with Monitoring tools (Grafana, Prometheus, Zabbix, Nagios, Telegraf)

• Familiarity with CI/CD pipelines and tools (Jenkins, GitLab CI/CD)

• Preferred Experience: Hands-on experience with container technologies (Docker, Kubernetes).

• Knowledge of database administration (MySQL, PostgreSQL).

• Familiarity with agile methodologies and DevOps practices.

• Prior experience in a leadership or mentoring role.

• Soft Skills: Strong communication and collaboration skills to guide less experienced users and developers.

• Ability to balance user needs with system stability in a high-demand, resource-intensive environment.

• Analytical mindset to foresee and mitigate system-wide impacts of configuration changes.

• Work with users : All users are not created equal, and often they may lack (
  or may not be interested in)
  understanding of how their actions can affect system performance. Your attitude in dealing with (
  often frustrating, to you)
  would be critical in maintaining a good working order.

• Work on best HPC infrastructure that challenges the limits of technology.

• Enjoy flexibility in work hours and location while contributing to groundbreaking projects.

• Collaborate with a highly experienced team in a supportive, knowledge-sharing environment.

• Shape the future of computing while achieving personal and professional growth.

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