Linux Systems Administrator

Fyld; Porto; On-site; EUR 40,000 - 60,000; Full time

Job summary

Fyld is hiring a Linux Systems Administrator to join our Porto team. You will manage Linux environments, ensure security and performance, and contribute to reliable, scalable infrastructure.

The ideal candidate has 4+ years in similar roles, strong scripting, and experience with web servers such as Apache or Nginx. Proficiency in Portuguese and English is essential, and collaboration in an Agile environment is valued.

Qualifications

• Degree in Computer Science, Computer Engineering, Information Technology, or a related field.
• 4+ years of professional experience as a Linux Systems Administrator or similar role.
• Strong administration, configuration and maintenance of Linux systems.

Skills

Linux Systems Administration

Bash scripting

Networking fundamentals

Web servers (Apache/Nginx)

Linux security hardening (SELinux/AppA

Incident troubleshooting

Agile collaboration

Portuguese and English fluency

Education

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

Tools

Red Hat

Ubuntu

Debian

Ansible

Docker

Python scripting

PostgreSQL/MySQL administration

Job description

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 proceduresKnowledge 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