System Administrator (Linux & Windows – Banking Domain) | Nair Systems | Qatar

Nair Systems; Qatar; On-site; QAR 90,000 - 150,000; Full time

Job summary

Nair Systems is seeking an experienced System Administrator (Linux & Windows) to support critical IT infrastructure in Qatar's banking domain. This role focuses on stability, security, and availability within an enterprise environment.

Responsibilities include day-to-day operation, maintenance, and incident response for Linux and Windows servers, with collaboration across infrastructure, security, and application teams to ensure uptime and compliance.

Qualifications

• Hands-on Linux and Windows Server administration in production environments.
• Experience supporting banking or financial services applications.
• Strong troubleshooting and problem-solving skills under pressure.
• Good communication and cross-team coordination abilities.

Responsibilities

• Administer, monitor, and support Linux and Windows Server environments.
• Ensure availability and performance of banking applications.
• Perform routine maintenance, patching, and health checks.
• Troubleshoot system, OS, and infrastructure issues.
• Support user access, configurations, and security controls.
• Maintain system documentation and runbooks.

Skills

Linux Admin

Windows Admin

Banking domain experience

Troubleshooting

Communication

Tools

Virtualization

Backup technologies

Security hardening

Job description

• Job Title: System Administrator (Linux & Windows – Banking Domain) | Nair Systems | Qatar
• Recruiting Company: Nair Systems
• Job Location: Qatar
• Job Type: Full-Time
• Additional Info: Banking domain | Joining timeframe: 2 weeks to max 1 month

Position Summary

Nair Systems is seeking an experienced System Administrator (Linux & Windows) to support critical IT infrastructure within the banking domain in Qatar. This role is vital to ensuring system stability, security, and availability in a regulated, enterprise‑grade environment.

Detailed Job Description

As a System Administrator, you will be responsible for the day‑to‑day operation, maintenance, and troubleshooting of Linux and Windows server environments supporting banking applications and services. You will work within a mission‑critical infrastructure where performance, reliability, and security are paramount. The role requires strong hands‑on expertise and the ability to respond quickly to incidents while following strict operational and compliance standards. You will collaborate closely with infrastructure, security, and application teams to maintain a stable production environment. This position is ideal for professionals experienced in supporting enterprise systems in financial institutions.

Key Responsibilities

• Administer, monitor, and support Linux and Windows Server environments
• Ensure system availability, performance, and stability for banking applications
• Perform routine system maintenance, patching, and health checks
• Troubleshoot and resolve system, OS, and infrastructure issues
• Support user access, system configurations, and security controls
• Monitor systems and respond to incidents within SLA requirements
• Collaborate with infrastructure, security, and application teams
• Maintain system documentation and operational procedures

Required Qualifications & Skills

• Strong hands‑on experience with Linux and Windows Server administration
• Experience working in banking or financial services environments
• Solid understanding of enterprise system operations and best practices
• Strong troubleshooting and problem‑solving skillsAbility to work under pressure in production environments
• Good communication and coordination skills

Nice‑to‑Have Skills

• Experience in regulated IT environments
• Exposure to virtualization or backup technologies
• Knowledge of security hardening and compliance standards
• Ability to support 24/7 or shift‑based operations

Recruitment Pro Tip

To improve your chances, clearly highlight your Linux and Windows administration experience within banking environments, including systems supported, incidents resolved, and how you maintained uptime and compliance in production systems.