System Administrator (Linux)

Aubay; Porto; Hybrid; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Training Academy

Health insurance (including dental)

Mental health platform access

Team events and connections

Personal and family life support

Language platform with multi-language,

Job summary

Aubay Portugal is hiring for a Senior Ops/SRE role in Porto, Portugal. The position focuses on monitoring, incident response, automation, and on-call duties within a hybrid work model.

The candidate will work with Linux, Kubernetes, Prometheus/Grafana/Alertmanager, and scripting (Bash, Python) in an international team, benefiting from Aubay's Training Academy and health and well-being programs.

Qualifications

• 5+ years of professional experience in operations, SRE, or system administration roles (Senior profile).
• Strong proficiency in Linux administration fundamentals and troubleshooting.
• Experience with Kubernetes and container orchestration for managing scalable applications.
• Familiarity with observability tools such as Prometheus, Grafana, and Alertmanager.
• Solid scripting skills (e.g., Bash, Python) for automation and problem-solving.
• Mandatory English language proficiency for effective communication in international teams.

Responsibilities

• Monitor and troubleshoot production systems to ensure availability and optimal performance.
• Respond to incidents, perform root cause analysis, and implement effective fixes.
• Automate deployments, pipelines, and various operational tasks to enhance efficiency.
• Document runbooks, incidents, and operational procedures thoroughly.
• Participate actively in the on-call rotation to provide 24/7 support.
• Deploy updates and continuously improve monitoring and alerting capabilities.

Skills

Linux

Kubernetes

Observability

Bash

Python

English

Tools

Prometheus

Grafana

Alertmanager

Job description

At Aubay Portugal, we work daily with some of the largest organisations across sectors such as banking, insurance, telecommunications and energy, helping to build and evolve critical systems that support millions of users. We have been in Portugal since 2007 and are part of an international group with a presence in several European countries. More than technology, we build close relationships and deliver real-impact projects.

What will you do?

• Monitor and troubleshoot production systems to ensure availability and optimal performance.
• Respond to incidents, perform root cause analysis, and implement effective fixes.
• Automate deployments, pipelines, and various operational tasks to enhance efficiency.
• Document runbooks, incidents, and operational procedures thoroughly.
• Participate actively in the on-call rotation to provide 24/7 support.
• Deploy updates and continuously improve monitoring and alerting capabilities.

What are we looking for?

At Aubay, our focus is on professionals who bring both technical expertise and the right mindset:

• A minimum of 5 years of professional experience in operations, SRE, or system administration roles, specifically with a Senior profile.
• Strong proficiency in Linux administration fundamentals and troubleshooting across systems and applications.
• Experience with Kubernetes and container orchestration for managing scalable applications.
• Familiarity with observability tools such as Prometheus, Grafana, and Alertmanager.
• Solid scripting skills (e.g., Bash, Python) for automation and problem-solving.
• Mandatory English language proficiency for effective communication within international teams.

What can we offer?

At Aubay, we invest in your development and well-being:

• Continuous growth through our Training Academy, with technical and soft skills training, mentoring, tech communities, workshops and in-person meetups;
• Close support with regular feedback and a structured career advancement model;
• Comprehensive health insurance, including dental coverage, as well as access to a mental health platform and well-being initiatives;
• Team-oriented environment, including events and initiatives to promote connection and team spirit;
• Personal and family life support, from the moment your children are born and throughout their educational path;
• Access to a language platform with conversational classes in multiple languages;
• Project-tailored work model: hybrid (2/3 days a week).

What will you find here?

• A close-knit and informal environment, where direct communication is preferred and people are valued;
• Recognition of your contribution, with initiatives that celebrate meaningful moments;
• Freedom to be yourself, without unnecessary formalities;
• Teams where knowledge sharing, collaboration and joint growth are a reality.

Personal Data collected by AUBAY PORTUGAL as Data Controller, regarding the identification, contact and professional capabilities of the candidates, in the present procedure, will be processed for the application analysis, having in consideration that the processing is conducted in order to take the steps, at the request of the data subject, prior to entering into a contract; Personal data sent through the present application will be kept by Aubay during the application procedure and will remain stored whilst updated (for two years period). The collected data might be transferred or include other processing activities, as long as the data subject is informed, in the occurrence of a standard application and selection procedure, for the compliance of legal obligations for the time required by law. For any queries or request regarding personal data protection rights, the Data Subject may contact AUBAY PORTUGAL's headquarters in Avenida Duque D'Ávila, nº46 em Lisboa or use the DPO's e-mail - [e-mail]. The Data Subject also has the right to file a complaint with the National Data Protection Authority – www.cnpd.pt. (please do not include data regarding racial or ethnical origins, political opinions, religion, philosophy, biometrical data, health data, sexual life and orientation, or relating to criminal convictions and offences.)