Senior Unix Platform Engineer in BaselOur client is a well-established financial institution known for its long-standing stability, international footprint, and commitment to operational excellence. The organization fosters a collaborative culture, values expertise, and promotes continuous improvement across its global technology and data functions.Job descriptionRole OverviewAs an AIX System Engineer, you will strengthen the platform engineering team by maintaining, optimizing and modernizing enterprise environments across AIX and Linux. You will take a hands-on role in platform lifecycle management, infrastructure expansion, automation initiatives and second-level operational support.Key ResponsibilitiesDesign, implement and maintain enterprise AIX environments, including LPAR, VIO, NIM and HMC/IVM componentsOperate, maintain and expand Unix/Linux infrastructures, covering storage, network and hardware layersContribute to infrastructure projects and continuous optimization of existing system landscapesProvide second-level support, including participation in on-call rotationsEnsure adherence to security standards, backup strategies and change management processesApply automation practices using Ansible to streamline operational tasksExpected ProfileYour ProfileYou hold a university degree in computer science or an equivalent technical qualification and bring several years of current, hands-on experience working with AIX and Linux system environments. You combine strong analytical skills with a structured, reliable and solution-oriented working style.AdditionallyCurrent experience with IBM AIX across versions 7.1 - 7.3, including LPAR/VIO administrationExperience with enterprise storage technologies (SAN, NFS, GPFS) and virtualization (PowerVM)Current Linux administration experience (RHEL preferred), including scripting skills (Shell,, Ansible)Familiarity with ITIL-based operational processesStrong problem-solving abilities, capacity to prioritize and ability to work under pressureFluent in English; German is an advantageValid Swiss work permit or EU/EFTA citizenship requiredWillingness to work 100% on-siteBenefitsCentral city office locations across SwitzerlandAbove average insurance coverage fully borne our clientContribution to health insurance and meal allowanceExcellent opportunities for further training and personal developmentInternational environment jida75685aa jit0418a jiy26a