Senior Linux Administrator

DiceTek UAE; Dubai; On-site; AED 245,520 - 390,600; Full time

Benefits offered by this job

Exposure to cutting-edge technology

Opportunity for career advancement

Dynamic work environment

Job summary

DiceTek UAE is looking for a Senior Linux Administrator in Dubai to manage and optimize enterprise Linux and UNIX infrastructure supporting critical systems. The successful candidate will have at least 10 years of experience with Red Hat and Ubuntu.

This full-time role involves 24x7 on-call support, strong focus on performance optimization, and working in high availability and disaster recovery environments. Competitive salary between 22,000-35,000 AED.

Qualifications

• Minimum 10 years of hands-on Linux and UNIX administration experience in large-scale infrastructure environments.
• Strong expertise in Red Hat Enterprise Linux administration.
• Practical experience with Ubuntu and other Linux distributions used in enterprise environments.

Responsibilities

• Administer, configure, monitor, and maintain Linux servers across physical, virtual, and cloud environments.
• Manage Red Hat Enterprise Linux, Ubuntu, and related Linux or UNIX platforms used in production infrastructure.
• Support virtualization environments like VMware and KVM, along with cloud platforms including AWS, Microsoft Azure, and GCP.

Skills

Red Hat Enterprise Linux administration

Linux and UNIX server management

Ubuntu server administration

VMware and KVM virtualization

AWS, Azure, and GCP exposure

IBM AIX awareness

Server hardening and patch management

Vulnerability assessment and remediation

Kernel tuning and performance optimization

Capacity planning

Shell scripting

Ansible automation

High availability infrastructure

Disaster recovery planning and testing

Root cause analysis

Production incident support

Infrastructure documentation

24x7 operations support

Job description

Senior Linux Administrator Job Snapshot

Role: Senior Linux Administrator
Location: Dubai, United Arab Emirates
Industry: IT and Services
Function: Network and Server Administration
Experience: 10 years
Job Type: Full-time

Salary: 22000-35000

The Senior Linux Administrator will manage, maintain, and optimize enterprise Linux and UNIX infrastructure supporting business‑critical systems.

Key Responsibilities

• Administer, configure, monitor, and maintain Linux servers across physical, virtual, and cloud environments.
• Manage Red Hat Enterprise Linux, Ubuntu, and related Linux or UNIX platforms used in production infrastructure.
• Support virtualization environments such as VMware and KVM, along with cloud platforms including AWS, Microsoft Azure, and GCP.
• Conduct vulnerability assessments, patching, server hardening, and remediation activities in coordination with cybersecurity teams.
• Monitor system performance and troubleshoot operating system, hardware, software, resource, and availability issues.
• Perform advanced kernel tuning, performance optimization, capacity planning, and infrastructure health analysis.
• Automate routine administration tasks using shell scripting, Ansible, or other approved automation tools.
• Support high availability designs, failover readiness, system resilience, and production continuity.
• Collaborate with application, database, network, and security teams to support business‑critical systems.
• Lead root cause analysis and post‑incident reviews for major outages or recurring infrastructure issues.
• Participate in disaster recovery planning, testing, documentation, and recovery readiness activities.
• Maintain operational documentation for server configurations, patching procedures, hardening standards, and support processes.
• Provide 24x7 on‑call support as part of a rotation schedule for critical infrastructure services.

Ideal Profile

• Minimum 10 years of hands‑on Linux and UNIX administration experience in large‑scale infrastructure environments.
• Strong expertise in Red Hat Enterprise Linux administration is required.
• Practical experience with Ubuntu and other Linux distributions used in enterprise environments.
• Good understanding of Linux performance tuning, kernel parameters, system resource management, and capacity planning.
• Strong knowledge of server security, hardening, vulnerability remediation, patching, and compliance‑focused operations.
• Experience with virtualization platforms such as VMware or KVM.
• Exposure to AWS, Microsoft Azure, or GCP cloud environments will be a strong advantage.
• Knowledge of IBM AIX will be considered an added advantage.
• Hands‑on scripting and automation experience using shell scripting, Ansible, or similar tools.
• Ability to troubleshoot complex production issues across operating systems, hardware, applications, and connected infrastructure.
• Experience supporting disaster recovery testing, high availability systems, and critical incident response.
• Strong collaboration skills for working with cybersecurity, database, application, and network teams.
• Ability to work in a 24x7 support model with disciplined incident handling and clear communication.

Skills Set

• Red Hat Enterprise Linux administration
• Linux and UNIX server management
• Ubuntu server administration
• VMware and KVM virtualization
• AWS, Azure, and GCP exposure
• IBM AIX awareness
• Server hardening and patch management
• Vulnerability assessment and remediation
• Kernel tuning and performance optimization
• Capacity planning
• Shell scripting
• Ansible automation
• High availability infrastructure
• Disaster recovery planning and testing
• Root cause analysis
• Production incident support
• Infrastructure documentation
• 24x7 operations support

Why Join Us

• Work on large‑scale Linux and UNIX infrastructure supporting critical enterprise systems in Dubai.
• Gain strong exposure to RHEL, virtualization, cloud platforms, security hardening, automation, and high availability operations.
• Join a role where system reliability, performance, and security directly support business continuity.
• Build deeper expertise in production infrastructure, disaster recovery, automation, and cross‑functional technology operations.
• Strong opportunity for senior Linux professionals aiming to grow into infrastructure leadership, platform engineering, or cloud systems architecture roles.