Administrador de Sistemas Linux

Mutual Respect, Empathy, Innovation, and Professional Pride. Do you see yourself within these values?

Founded in 2006 with the mission "To Challenge Complexity", Closer Consulting is a Data Science company specialising in Business Intelligence, Advanced Analytics, and Artificial Intelligence. Developing projects across a wide range of industries—including Banking, Telecommunications, Healthcare, Retail, Energy, Insurance, and Aviation—we have created an environment where the brightest inquiring minds feel at home, providing our people with the means, opportunities, and support they need to thrive and innovate.

We are seeking a skilled Linux/Unix Systems Administrator eager to take on new challenges in a hybrid work model (2 days per week on-site) in Lisbon.

Are you the one?

• At least 3 years of experience in Linux/Unix systems administration within enterprise environments.
• Solid experience managing and optimizing Linux Enterprise infrastructures in critical environments (Red Hat Enterprise Linux, Oracle Linux, SUSE Linux Enterprise Server, and Debian).
• Practical experience in high-availability environments using Pacemaker Cluster.
• Experience in administering virtualised environments and containerisation platforms.
• Knowledge of Foreman for systems management and provisioning.
• Knowledge of Kubernetes and Docker (highly valued).
• Solid understanding of TCP/IP networking and troubleshooting within Linux environments.
• Experience with automation tools and Infrastructure as Code, particularly Ansible (highly valued).
• Proficiency in Shell Scripting (Bash) for operational automation.
• Proven capability in diagnosing, analysing, and autonomously resolving complex production incidents.
• Involvement in technological evolution projects, capacity planning, and continuous improvement initiatives.
• Strong focus on troubleshooting, system security, and service continuity.
• Collaborative mindset to work effectively with Cloud, Security, and Application teams.

We believe we are the ones, by:

• Providing a multidisciplinary Team.
• Giving a home office kit with everything you need to perform remotely.
• Ensuring a career plan alongside professional growth.
• Providing you with a custom training plan.
• Helping you reach happiness.

Oh… and by the way, we also have:

• Several challenging complex projects.
• Stimulating teams and leaders.
• World-class Clients and Partners.

If you believe in this match as much as we do, send us your CV to lia.giannone@closer.pt and reach the closer side of life.

Closer is a company that values diversity and inclusion. We are committed to fostering an environment where everyone is treated with dignity and respect, regardless of race, gender, beliefs, sexual orientation, physical or mental disability, or other personal characteristics.

At Closer, we embrace the unique perspectives and experiences that everyone brings, and we believe that it is a fundamental driver for the success we've achieved.