Senior Linux Systems Administrator (Automation & Security)

NorthBay Solutions LLC; Dubai; On-site; AED 180,000 - 240,000; Full time

Job summary

NorthBay Solutions LLC in Dubai, UAE seeks a skilled Linux Systems Administrator to manage and optimize Linux-based infrastructure. The role emphasizes hands-on installation, security hardening, automation, and performance monitoring across diverse environments.

The candidate will ensure availability, security, and reliability of servers, collaborate with network, security and DevOps teams, and participate in incident management and disaster recovery planning.

Qualifications

• Hands-on Linux administration across multiple distributions (RHEL/Ubuntu/COS variants).
• Experience securing systems and remediating vulnerabilities in production.
• Strong knowledge of networking basics including DNS, DHCP, and SSH.
• Proficient in scripting for automation (Bash, Python) and configuration management (Ansible).
• Ability to monitor performance and diagnose issues across servers and storage.

Responsibilities

• Install, configure, maintain, and troubleshoot Linux servers and OSes.
• Provision, patch, upgrade, and manage configurations of servers.
• Implement security hardening per policies and best practices.
• Manage users, groups, permissions, sudo, SSH, and services.
• Monitor health, availability, resources, and performance.
• Troubleshoot OS, networking, storage, and system issues.
• Automate routine tasks using Bash, Python, Ansible, or similar tools.
• Manage packages, repos, updates, dependencies, and services.
• Analyze logs and metrics to resolve issues.
• Backup, recovery, and DR procedures maintenance.
• Maintain documentation and runbooks; support cross-functional teams.

Skills

RHEL/Rocky/AlmaLinux

Ubuntu/CentOS

Security hardening

TCP/IP DNS DHCP SSH

Bash scripting

Ansible automation

Performance monitoring

Storage and LVM

Troubleshooting

Documentation

Education

Bachelor’s degree in CS/IT or related field

RHCSA/RHCE or Linux certifications

Job description

NorthBay Solutions LLC in Dubai, UAE seeks a skilled Linux Systems Administrator to manage and optimize Linux-based infrastructure. The role emphasizes hands-on installation, security hardening, automation, and performance monitoring across diverse environments.

The candidate will ensure availability, security, and reliability of servers, collaborate with network, security and DevOps teams, and participate in incident management and disaster recovery planning.