Linux Systems Administrator – Build Secure, Scalable Infra

Fyld; Porto; Presencial; EUR 42 000 - 64 000; Tempo integral

Resumo da oferta

Fyld is seeking an experienced Linux Systems Administrator to manage and harden our Linux infrastructure across projects in Portugal. You will contribute hands-on expertise with Red Hat, Ubuntu, and Debian, ensure reliability, and drive automation with Ansible in collaborative Agile teams.

You'll work in a fast-growing consulting environment that values transparency, growth, and real impact, with opportunities to learn and certify while supporting secure, scalable systems for client solutions.

Qualificações

• Degree in Computer Science, Computer Engineering, Information Technology, or a related field.
• Minimum of 4 years of professional experience as a Linux Systems Administrator or in a similar role.
• Strong experience in the administration, configuration and maintenance of Linux systems.
• Hands-on experience with Red Hat, Ubuntu, Debian or similar Linux distributions.
• Strong knowledge of Linux command line and Bash scripting.
• Experience with system monitoring, troubleshooting and performance optimisation.
• Good knowledge of networking fundamentals, including TCP/IP, DNS, DHCP, and SSH.
• Experience administering web servers, such as Apache or Nginx.
• Good understanding of storage, filesystems, permissions, users and access management.
• Experience implementing Linux security and hardening practices, including SELinux, AppArmor and firewall configuration.
• Experience with backup, recovery and system maintenance procedures.
• Knowledge of system logging and monitoring tools.
• Experience with automation and configuration management, preferably using Ansible.
• Ability to troubleshoot and resolve infrastructure and production incidents.
• Good understanding of high availability and system reliability concepts.
• Ability to document technical procedures and follow infrastructure best practices.
• Strong analytical and problem-solving skills.
• Ability to work effectively in collaborative and Agile environments.
• Fluency in Portuguese and English.

Responsabilidades

• Manage and maintain Linux environments across projects.
• Ensure system availability, performance, and reliability.
• Configure, monitor, and harden security controls and access management.
• Automate tasks and deployments using Ansible or similar tools.
• Troubleshoot incidents and optimize system performance.
• Collaborate in Agile teams and document procedures.

Conhecimentos

Linux systems administration

Bash scripting

Networking fundamentals

Apache/Nginx administration

Linux security hardening

System monitoring & troubleshooting

Automation with Ansible

Documentation

Agile collaboration

Portuguese and English fluency

Formação académica

Bachelor's degree in Computer Science/Engineering or related field

Ferramentas

Red Hat

Ubuntu

Debian

Nginx

Apache

SELinux

AppArmor

Docker

VMware / KVM / Hyper-V

Descrição da oferta de emprego

Fyld is seeking an experienced Linux Systems Administrator to manage and harden our Linux infrastructure across projects in Portugal. You will contribute hands-on expertise with Red Hat, Ubuntu, and Debian, ensure reliability, and drive automation with Ansible in collaborative Agile teams.

You'll work in a fast-growing consulting environment that values transparency, growth, and real impact, with opportunities to learn and certify while supporting secure, scalable systems for client solutions.