Linux Network Administrator (WFH) - #34141

As a Linux Network Administrator, you will provide technical and operational first-line IT support to the business to ensure continuous operational effectiveness. You may also provide second-line support for specific IT products, systems, and third-party applications as needed.

Duties and Responsibilities:

• Network Management: Configure, monitor, and maintain LAN/WAN infrastructure, routers, and switches to ensure optimal network performance.

• When required, provide after-hours first-line technical support to all staff members

• Linux Administration: Install, configure, and maintain Linux servers (e.g., CentOS, Ubuntu, Red Hat), including routine patching and upgrades

• Security & Hardening: 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

• Troubleshooting: Diagnose and resolve hardware, software, and network issues promptly, including on-call escalation support

• Scripting & Automation: 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

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

Advantageous Experience/Skills:

• Bachelor’s Degree

• Experience with the following:

o Advantageous skills or nice-to-haves:

o iptables

o OpenVPN knowledge

o Fail2ban

o Wazuh

o Networking

o Systems Administration