Linux Network Administrator

Summary

Join our team as a Linux Network Administrator and provide first-line IT support to ensure seamless business operations. You will manage and maintain our LAN/WAN infrastructure, Linux servers, and implement robust security measures. Responsibilities include troubleshooting network issues, automating tasks through scripting, and collaborating with the IT Manager. This role requires extensive Linux administration and networking experience, strong problem-solving skills, and excellent communication abilities. You will be responsible for maintaining our knowledge management system and ensuring compliance with internal policies.

Requirements

• Minimum of 5 years of experience in Linux system administration and network operations
• Proficient in at least one Linux server environment (Ubuntu, Red Hat, CentOS)
• Experience with firewall administration (iptables, firewalld, or similar)
• Solid understanding of TCP/IP, routing protocols (OSPF, BGP), VLANs, and VPNs
• Strong understanding of cybersecurity principles and SOC best practices
• Conflict management skills
• Planning and problem-solving skills
• Effective time management skills
• Excellent English communication skills, both written and verbal, to effectively communicate with foreign counterparts
• Proactive and positive mindset and attitude toward work

Responsibilities

• Configure, monitor, and maintain LAN/WAN infrastructure, routers, and switches to ensure optimal network performance
• Provide after-hours first-line technical support to all staff members when required
• Install, configure, and maintain Linux servers (e.g., CentOS, Ubuntu, Red Hat), including routine patching and upgrades
• Implement security best practices (firewalls, IDS/IPS, VPN) and ensure systems are regularly audited and patched
• Ensure all work is captured in the logging/ticketing system and close calls as needed
• Ensure that company staff members are always treated as valued customers
• Monitor and report any system alerts to line management. Meet with the team weekly to discuss problems and progress
• Diagnose and resolve hardware, software, and network issues promptly, including on-call escalation support
• Develop scripts (Bash, Python) to automate routine administrative tasks, reducing manual workload
• Assist the IT Manager with daily tasks
• Ensure the knowledge management system is always updated with required solutions and documentation
• Maintain computer-related equipment registers
• Ensure that all naming conventions are followed
• Ensure strict compliance with internal processes and policies, including adherence to the Authority Matrix and MAPs guidelines
• Attend all required meetings and assist with any ad-hoc tasks or projects assigned by the Technology Management team
• Attend all assigned training, even if scheduled outside regular hours

Preferred Qualifications

• Bachelor’s Degree
• Experience with iptables
• OpenVPN knowledge
• Fail2ban
• Wazuh
• Networking
• Systems Administration