Mainframe System Controller / Mainframe Batch Operator

Location: Basel, Switzerland

Company: Swiss Himmel GmbH

Employment Type: Full-time

Work Model: 100% On-site

Language: English required; German is an advantage

About Swiss Himmel GmbH

Swiss Himmel GmbH is a Basel-based technology and consulting firm that partners with leading enterprises to deliver reliable technology solutions and support critical IT environments. We collaborate with clients across regulated industries, including banking and financial services, providing expertise in infrastructure, applications, data, and digital transformation.

About the Role

Swiss Himmel GmbH is seeking an experienced Mainframe System Controller / Mainframe Batch Operator for a full-time position in Basel, Switzerland. The successful candidate will join a customer-focused command centre team, providing support for critical mainframe systems in a large banking and financial services environment.

This is a 100% on-site role, requiring flexibility for 24x7 rotational shifts within a production environment where system availability and timely incident response are essential.

Key Responsibilities

• Mainframe Operations
  • Perform daily operational support for critical z/OS environments.
  • Monitor batch jobs and system activities.
  • Conduct system health checks and follow established operational procedures.
  • Work as a Mainframe Batch Operator, System Operator, and Online L1 Operations Support.
  • Manage scheduled batch processing using OPC and Control-M.
• Incident & Production Support
  • Act as the first point of response for production issues.
  • Perform initial investigation, triage, and resolution of incidents related to batch, CICS, DB2, and other mainframe components.
  • Analyse recurring issues and support root cause analysis.
  • Escalate issues to relevant L2/L3 teams when required.
  • Support production requests received from application, L2, Online, and other batch teams.
• Collaboration & Service Management
  • Work closely with application development, infrastructure, security, and other support teams.
  • Manage incidents and requests using ServiceNow.
  • Adhere to ITIL and Agile/Scrum processes wherever applicable.
  • Maintain clear communication during production incidents and planned activities.
• Documentation & Continuous Improvement
  • Maintain operational procedures, documentation, and support guides.
  • Share operational knowledge with the wider team.
  • Identify opportunities to improve batch operations and reduce manual work.
  • Support automation initiatives and service improvement activities.
  • Contribute to SLA and KPI tracking and reporting.

Required Qualifications & Experience

• 8–10+ years of experience in Mainframe Operations and IT, preferably within banking or financial services.
• Strong knowledge of IBM z/OS environments.
• Hands-on experience with:
  • JCL
  • TSO
  • ISPF
  • CICS
  • DB2
  • VSAM
  • IBM MQ Series
  • Basic SQL
• Good understanding of mainframe batch processing and job scheduling.
• Experience with OPC and/or Control-M.
• Experience working in production support and command centre environments.
• Familiarity with ServiceNow and IT service management processes.
• Strong analytical and problem-solving skills.
• Good communication and teamwork skills.
• Able to work flexible 24x7 rotational shifts.

Nice to Have

• Previous experience in batch optimization.
• Experience leading continuous service improvement initiatives.
• Experience defining, maintaining, and reporting SLAs and KPIs.
• Experience implementing automation to reduce manual operational activities.
• Agile/Scrum experience or certification.
• Team leadership experience.
• ITIL certification.
• German language skills.

Education & Certifications

• Bachelor's degree in IT, Computer Science, or a related field, or equivalent experience.
• ITIL certification is preferred.

Why Join Swiss Himmel GmbH?

• Work on critical mainframe environments supporting the banking and financial services sector.
• Gain exposure to large-scale enterprise production systems.
• Collaborate with experienced technology and operations teams.
• Contribute to automation and service improvement initiatives.
• Enjoy a collaborative and professional work environment.
• Explore long-term career opportunities within Swiss Himmel GmbH.
• Receive a competitive Swiss compensation and benefits package.

Apply online using the form below. Only applications matching the job profile will be considered.