**Company Description** Inetum is a European leader in digital services. The Inetum team of 28,000 consultants and specialists works daily to deliver digital impact for businesses, public-sector entities, and society at large. Inetum’s solutions aim to enhance customer performance and innovation, as well as contribute to the common good. Present in 19 countries with an extensive network of delivery centers, Inetum partners with leading software vendors to address the challenges of digital transformation through proximity and flexibility. **Job Description** We are seeking a Senior AIX and PowerHA Administrator to join a long-term project with a major client in the banking sector. The role requires partial on-site presence at our client’s offices in Madrid. Additionally, availability to participate in on-call telephone support rotations and interventions outside regular working hours is mandatory. **Requirements** Mandatory Technical degree in Computer Science, Telecommunications, or Systems Administration, minimum qualification: Higher Vocational Training (Ciclo Formativo de Grado Superior). English level A2–B1 Minimum 4 years’ experience providing support, operations, implementation, and evolution for the following technologies: * AIX 7.1 / 7.2 * PowerHA 7.2 * NIM (installation, mksysb, repositories) * Power Virtualization (VIO, IVE, LHEA, SEA, NPIV) * LPM – Live Partition Mobility * GPFS multi-site * ILMT * TSM / ATAPE * RHEL 7/8/9 * Ansible * Podman Desirable * University degree * Master’s or Doctorate * Technical certifications * Methodological certifications (ITIL, SCRUM, PMP, etc.) * Demonstrable experience exceeding 4 years * English proficiency above B1 level **Additional Information** * Hybrid work model with weekly presence in Madrid * Availability for on-call duties * Availability for rotating morning and afternoon shifts, Monday through Friday * Indefinite contract * Salary commensurate with experience * Career development plan: We offer an attractive professional career path aligned with your experience and personal potential within a continuously evolving company demonstrating solid growth. * Training plan in technological competencies, tailored to project requirements and client needs. * Flexible compensation: We offer a customizable remuneration package allowing you to select from various benefits and determine their distribution yourself: private health insurance, meal vouchers, childcare vouchers, public transport cards, etc.