Senior AIX System Administrator

We are looking for a Senior AIX System Administrator to join a team supporting international clients, with a strong focus on managing and maintaining critical environments based on IBM AIX. This role is ideal for highly experienced professionals who value autonomy, stability, and operational excellence. Key Responsibilities: Administer and support IBM AIX systems in enterprise environments Ensure platform availability, performance, and security through proactive and corrective actions Monitor systems, identify anomalies, and ensure timely resolution Perform maintenance activities, upgrades, and advanced troubleshooting Collaborate with international teams in managing critical infrastructures Contribute to technical documentation and continuous improvement of operational processes Proven experience of over 5 years in IBM AIX system administration Strong background in corporate environments and critical infrastructures Solid knowledge of Unix/Linux operating systems Experience in supporting and operating mission-critical platforms Strong troubleshooting and problem-solving skills in complex environments High level of autonomy and sense of responsibility Strong analytical and problem-solving capabilities Organizational skills and attention to detail Good communication skills and ability to work with distributed teams Proactivity and continuous improvement mindset Workplace type: Hybrid (max. of 3 times per week in the office) Location: Picoas, Lisboa A Inetum é uma empresa europeia líder em serviços digitais. A sua equipa, composta por 28.000 consultores e especialistas , trabalha diariamente para gerar impacto digital junto de empresas, entidades do setor público e da sociedade em geral. As soluções da Inetum visam contribuir para o desempenho e inovação dos seus clientes, bem como para o bem comum. Presente em 19 países , com uma rede sólida de localizações, a Inetum colabora com os principais fabricantes de software para responder aos desafios da transformação digital com proximidade e flexibilidade. Impulsionada pela sua ambição de crescimento e escala, a Inetum registou um volume de negócios de 2,5 mil milhões de euros em 2023 .