System Administrator (Senior) 2338043

System Administrator (Senior) – Security & Networking

A leading organization is seeking an experienced System Administrator with strong expertise in infrastructure, information security, Linux, and networking.

Responsibilities:

• Management, maintenance, and operation of complex system infrastructures
• Daily work in Linux environments
• Implementation and hardening of information security systems
• Configuration, management, and maintenance of network infrastructure and firewalls
• Troubleshooting complex system and network issues end-to-end
• Collaboration with IT teams, information security teams, and external vendors

Requirements:

• Proven experience as a System Administrator – required
• Strong hands-on experience with Linux – required
• Significant experience in information security – required
• Experience with networking, including routers, switches, and firewalls – required
• Deep understanding of IT infrastructure and network architectures
• Ability to work independently with a high level of responsibility

Advantages:

• Experience with virtualization and/or cloud environments
• Familiarity with monitoring and automation tools
• Relevant certifications (Linux, Security, Networking)