Mainframe System Controller / Batch Operator Location: Basel, Switzerland Company: Swiss Himmel GmbH Employment Type: Full-time (100% on-site) Language: English required About Swiss Himmel GmbH Swiss Himmel GmbH is a Basel-based technology and consulting firm partnering with leading enterprises to modernize and operate complex IT platforms. We combine strong technical expertise with domain knowledge to deliver reliable and scalable solutions across banking, cloud, and digital transformation programs. Position Overview We are looking for an experienced Mainframe System Controller / Batch Operator to support critical mainframe operations within a banking environment. This role involves working in a 24x7 command center setup, ensuring stability, reliability, and smooth execution of batch processes and system operations. The ideal candidate will have strong experience in mainframe technologies, production support, and batch operations, with the ability to handle incidents and collaborate across teams in a fast-paced environment. Key Responsibilities Perform day-to-day mainframe operations support including batch monitoring, system checks, and job execution Monitor and manage batch jobs and scheduling tools such as OPC and Control-M Act as the first point of contact for production incidents, performing initial triage and resolution Support systems including z/OS, CICS, DB2, VSAM, and IBM MQ Handle requests from application teams, L2 support, and batch processing teams Ensure smooth coordination with development, infrastructure, and security teams Maintain clear documentation of operational procedures and processes Provide L1 support for batch, system, and online operations Follow standard operating procedures and ensure adherence to service levels Required Qualifications 8–10 years of experience in mainframe operations within banking or financial services Strong knowledge of z/OS, JCL, TSO, ISPF, and mainframe utilities Hands-on experience with CICS, DB2, VSAM, IBM MQ, and basic SQL Experience with batch scheduling tools such as OPC and Control-M Familiarity with ServiceNow and Agile methodologies Good understanding of banking systems and IT operations Fluent in English; German is an advantage Preferred / Nice to Have Experience in batch optimization and performance improvement Exposure to automation initiatives in operations Experience defining and managing SLAs and KPIs Experience in continuous service improvement initiatives Agile or Scrum certifications Prior team handling or coordination experience Key Competencies Strong analytical and problem-solving skills Ability to work in a 24x7 rotational shift environment Good communication and teamwork skills Ability to multitask and work under pressure Proactive mindset with willingness to learn Education & Certifications Bachelor’s degree or equivalent qualification ITIL certification preferred Why Join Swiss Himmel GmbH Opportunity to work on critical banking systems and platforms Exposure to enterprise-scale mainframe environments Stable and structured work environment with clear processes Collaborative team culture with focus on operational excellence Long-term growth opportunities within Swiss Himmel GmbH