Linux And Aix Systems Administrator

Challenge yourself and us At AdvanceWorks, we learn together, grow together, and have fun together.
And we do all this while creating great software solutions for clients across many industries and geographies.
We are constantly challenging ourselves and each other to use the latest technologies and the best methodologies and make sure we walk the talk.
About the project You'll join an experienced Infrastructure team responsible for supporting and evolving enterprise-grade Unix environments in a dynamic and collaborative setting.
The project focuses on the administration, maintenance, and continuous improvement of IBM AIX environments that support mission-critical applications and services.
You'll work closely with Infrastructure, Network, Security, and Application teams to ensure systems remain secure, stable, and performant.
This is an excellent opportunity to deepen your expertise in AIX administration while working in a modern infrastructure environment that values automation, operational excellence, and continuous learning.
What will be your role We are looking for a Systems Administrator with experience in Unix/Linux environments and a strong interest in IBM AIX technologies.
You'll support the daily administration and maintenance of AIX systems, contribute to incident resolution, perform system updates and patching activities, and collaborate with multiple technical teams to ensure infrastructure reliability and availability.
You'll also have the opportunity to work with automation tools, scripting, monitoring solutions, and enterprise infrastructure platforms while continuing to develop your technical skills in a supportive environment.
Your responsibilities will include Supporting the day-to-day administration of IBM AIX environments.
Executing maintenance activities, updates, and patching operations under established procedures.
Monitoring system health, availability, and performance.
Investigating and resolving infrastructure incidents and service requests.
Participating in troubleshooting activities for medium-complexity technical issues.
Creating and maintaining technical documentation, procedures, and system configurations.
Collaborating with Infrastructure, Network, Security, and Application teams.
Supporting automation initiatives using scripting and configuration management tools.
Assisting in the implementation of operational improvements and infrastructure best practices.
Contributing to system reliability, security, and operational efficiency.
Participating in knowledge-sharing activities and technical discussions.
Following established processes for change management, incident management, and problem management.
Supporting continuous improvement initiatives across the infrastructure landscape.
Availability for a 3x hybrid work arrangement in Lisbon.
What should you bring to the team?
Bachelor's Degree in Computer Science, Information Systems, Engineering, or a related field.
Professional experience in Unix/Linux systems administration, with exposure to IBM AIX environments.
Solid knowledge of Unix/Linux operating systems, particularly IBM AIX.
Familiarity with command-line environments (CLI) and administration commands in AIX and/or Linux.
Understanding of network fundamentals and protocols, including: TCP/IP, DNS, DHCP, Subnetting.
Experience with scripting and automation using: Korn Shell (ksh), Bash, Shell Scripting Knowledge of Ansible for infrastructure automation and configuration management.
Good troubleshooting and analytical skills.
Ability to document procedures and technical configurations clearly.
Experience working collaboratively within multidisciplinary technical teams.
Nice to have Experience with Red Hat ecosystem tools, namely: Red Hat Identity Management (IDM) and Red Hat Satellite.
Knowledge of Wazuh and centralized log management solutions.
Previous experience in enterprise infrastructure environments.
Exposure to monitoring and observability platforms.
Familiarity with IT operational and support processes.
What is in it for you
- An amazing informal culture of smart, hardworking, and friendly people who support and care about each other.
- A mentorship program from day one.
- The opportunity to work with real-world operational data from tolling and Intelligent Transportation Systems.
- The opportunity to work on large-scale data and cloud projects using modern technologies.
- Formal training and certifications in data, cloud, and engineering excellence.
- Access to cutting-edge tools and technologies.
- A dynamic company where your ideas matter more than job titles.
- Flexibility with responsibility.
- A Rubber Duck to help you debug those tricky data pipelines.
Don't hold off any longer and apply now
- If you have any questions, drop us a line at