Linux Systems Administrator

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 hiring: Linux Systems Administrator
At Fyld, we believe the future is built with people, technology, and strong values.
We are a Portuguese consulting company that operates with transparency, respect, and a focus on everyone's growth.
Here, every project is an opportunity to build real, reliable, and secure technology solutions.
Our philosophy?
Code for Big Solutions — because we don't just build technology to make things work, we build solutions that create real impact.
We're looking for an experienced Linux Systems Administrator with strong infrastructure skills and hands-on experience managing Linux environments.
By joining Fyld, you'll be part of a team where every member is challenged to innovate, collaborate and grow.

Your Profile

• 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

Nice To Have

• Experience with cloud environments, such as AWS, Azure or GCP
• Knowledge of virtualisation technologies, such as VMware, KVM or Hyper-V
• Experience with Docker or containerised environments
• Knowledge of CI/CD concepts
• Experience with Python or additional scripting languages
• Knowledge of PostgreSQL, MySQL or MariaDB administration
• Experience with enterprise monitoring and observability tools

Our Values

• Critical thinking and autonomy
• Focus on meaningful solutions and real results
• Respect, transparency, and continuous growth

What You'll Find At Fyld

• A collaborative team that values individual progress
• Access to continuous training and certifications
• A culture of proximity, respect, and recognition
• Challenging, purpose-driven projects where your expertise as a Linux Systems Administrator has real impact