Senior Linux Administrator

2 weeks ago

Doha, Baladīyat ad Dawḩah, Qatar Arab Center for Research and Policy Studies المركز العربي للأبحاث ودراسة السياسات Full time

Position

Senior Linux Administrator.

Job Summary

We are seeking a highly skilled and experienced Linux Administrator to join our team. The ideal candidate will have a strong background in Linux system administration, virtualization using KVM, High performance computing, and cloud computing platforms such as AWS and Azure. As a Linux Administrator, you will be responsible for managing and maintaining our Linux-based systems, virtualization infrastructure, and cloud resources to ensure high availability, security, and performance.

Key Responsibilities

· Linux System Administration:

o Install, configure, and maintain Linux servers (Red Hat, CentOS, Ubuntu, etc.).

o Perform system upgrades, patches, and security hardening.

o Monitor system performance and troubleshoot issues.

o Manage user accounts, permissions, and file systems.

o Implement and maintain backup and disaster recovery solutions. (Veeam Backup Tool Experience is a plus)

· Virtualization (KVM):

o Set up and manage virtual machines using KVM (Kernel-based Virtual Machine).

o Allocate resources, configure networking, and optimize VM performance.

o Troubleshoot virtualization-related issues and ensure high availability.

o Good understanding of Oracle Linux Virtualization Manager.

o Good understanding of Hard Partitioning with Oracle Linux KVM

o Hands on experience in Virtual CPU pinning to optimize the usage of oracle DB and WebLogic licenses.

· High Performance Computing:

o Experience with HPC scheduling software.

o Experience with the installation and systems administration of high-performance compute (HPC) systems including Linux clusters and parallel data storage systems.

o Experience with a range of programming languages relevant for systems administration and HPC.

· Cloud Computing (AWS and Azure):

o Deploy and manage cloud instances and services on AWS and Azure.

o Monitor and optimize cloud resources for cost efficiency.

o Implement security best practices for cloud environments.

o Manage cloud-based databases, storage, and networking components.

· Automation and Scripting:

o Develop and maintain automation scripts (Bash, Python, etc.) for routine tasks.

o Implement Infrastructure as Code (IaC) using tools like Terraform or Ansible

· Security and Compliance:

o Implement security policies, access controls, and firewall rules.

o Perform regular security audits and vulnerability assessments.

o Ensure compliance with industry standards and regulations.

· Collaboration and Documentation:

o Collaborate with cross-functional teams to support application deployments.

o Maintain comprehensive documentation of system configurations and procedures.

o Provide training and guidance to team members as needed.

o Ability to write relevant components of a proposal document (e.g., Prepare RFP, Answer specific RFP questions).

o Implement and document processes and procedures to ensure compliance with standard business practices.

· Troubleshooting and Support:

o Provide support for critical systems and respond to incidents promptly.

o Troubleshoot and resolve system and network issues.

o Participate in On-Call rotation schedules.

o Good knowledge of ITIL concept, Incident, Change and Problem Management process and ticketing tool. (Knowledge in Service Now tool is a plus

Minimum Requirements

· Bachelor's degree in computer science, Information Technology, or related field (or equivalent experience).

· Proven experience as a Linux Administrator with at least 5 years of experience.

· Strong expertise in virtualization technologies, specifically KVM.

· Strong expertise in HPC.

· Hands-on experience with AWS and Azure cloud platforms.

· Proficiency in scripting and automation.

· Knowledge of networking protocols and security best practices.

· Excellent problem-solving and communication skills.

· Relevant certifications (e.g., RHCE, AWS Certified SysOps Administrator, Azure Administrator) is a plus.


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