Infrastructure/Systems Engineer - Linux

Due to continued growth, we are currently hiring an Infrastructure/Systems Engineer with strong Linux troubleshooting and problem-solving experience. Our consultancy specializes in providing business and technology services to clients in all sectors.

We are looking for someone with strong Linux troubleshooting skills and a solid understanding of networking and firewalls. This role is ideal for someone who thrives in a fast-paced environment and enjoys working at the intersection of infrastructure, automation, and security.

A snapshot of your key responsibilities:

• Maintain and support Linux-based systems (RedHat EL Derivatives, Debian Derivatives).

• Troubleshoot system-level issues, including performance, networking, and configuration problems.

• Manage and configure firewalls and security rules.

• Support on-premise server infrastructure, including virtualisation platforms.

• Collaborate with other IT team members to maintain stable and secure environments.

• Monitor system performance, respond to incidents, and provide root cause analysis.

• Implement and monitor security best practices, conduct vulnerability assessments, and assist in security incident response.

• Assist with patching, upgrades, and system health checks.

Requirements:

• Strong hands-on experience with Linux (RHEL, Ubuntu, CentOS).

• Proven ability to troubleshoot operating system and hardware issues.

• Working knowledge of firewalls and networking (e.g. Host-based, Proprietary & Open Source Appliances).

• Solid understanding of core networking protocols (TCP/IP, DNS, DHCP, routing).

• Demonstrated experience in cybersecurity: patching, auditing, threat mitigation, and compliance.

• Excellent troubleshooting skills and ability to work independently or within a team.

• Disaster Recovery experience – Configuration, Storage, Hosts.

Other Details:

Opportunity type: Contract (Initial 6 months), Hybrid in Dublin.