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Chief Mainframe Platform Engineer

Flexible location
Company: Danske Bank
Published Nov 28, 2025

Role highlights

Contract type

Full Time

Schedule

Permanent

Experience

Lead

Work style

Hybrid · On-site

Key skills

The Chief Mainframe Platform Engineer role requires extensive expertise in IBM mainframe systems, specifically with installation, customization, maintenance, and support of large-scale z/OS environments. Candidates must have deep experience managing multi-system IBM Parallel SysPlex configurations, ensuring high availability and robust disaster recovery solutions across multi-site infrastructures. Proficiency in multi-OS configurations including zOS, zVM, and zLinux is essential, alongside a strong understanding of core zOS components, middleware, and interoperability. The role demands a strategic mindset to adopt industry best practices and modern technologies, driving automation at all operational levels to optimize service availability and cost-effectiveness. Strong analytical and problem-solving skills are critical, coupled with the ability to plan, schedule, and manage complex projects. Effective communication and documentation skills are necessary to define infrastructure standards, educate engineering teams, and influence the strategic direction of the mainframe platform. The position is senior-level, requiring leadership capabilities to support infrastructure and middleware teams in modernization initiatives within a global, collaborative environment. A bachelor’s degree underpins the technical foundation, while a commitment to innovation and continuous skill development is expected. The role offers flexibility, career growth, and the opportunity to operate one of the largest parallel SysPlex environments in the Nordic region, emphasizing security, operational efficiency, and service robustness.

#Senior Mainframe Engineer #Mainframe Infrastructure Engineer #Chief Mainframe Engineer #Mainframe Platform Engineer #Mainframe Systems Engineer #Mainframe Operations Manager #zOS Engineer #Parallel SysPlex Engineer #Mainframe Solutions Architect #Mainframe Support Engineer

About the role

Role Summary

  • Join a global team responsible for building, configuring, and maintaining Danske Bank’s mainframe infrastructure
  • Operate the largest parallel SysPlex in the Nordic region
  • Focus on service availability, operational efficiency, and robustness through duplicated infrastructure and system configurations
  • Position based in Denmark (Aarhus or Copenhagen)

Responsibilities

  • Maintain and develop multi-site mainframe configuration, operations, and high availability/disaster recovery solutions
  • Adopt industry best practices and modern technologies
  • Ensure a cost-effective mainframe platform with continuous infrastructure service availability
  • Support Mainframe Infrastructure and Middleware teams in strategy for maintenance and modernization
  • Influence and shape the strategic infrastructure target state with Mainframe Services management
  • Define and implement infrastructure standards; educate other engineers on standards, processes, tools, and DR strategy
  • Research and recommend tools and product suites to improve productivity and mainframe usability
  • Enforce automation at all levels
  • Ensure a high level of security

Requirements

  • Strong experience in installation, customization, maintenance, and support of large IBM z/OS mainframe operating systems and components
  • Experience with configuration and maintenance of multi-system IBM mainframe Parallel SysPlex environments
  • Knowledge of multi-OS configuration (zOS, zVM, zLinux)
  • Strong infrastructure understanding of core zOS, middleware components, and interoperability
  • Extensive experience in high availability and disaster recovery deployment strategies
  • Self-motivation and commitment to continuous innovation
  • Strong analytical skills and ability to diagnose and resolve mainframe problems
  • Ability to plan, schedule, and manage assigned tasks and projects
  • Good written and verbal communication skills
  • Strong documentation skills

Benefits

  • Work in a leading technology team with a global, international environment
  • Flexible workdays with a mix of physical and virtual presence
  • Opportunities for career growth and skill development
  • Supportive and inspirational leaders
  • Great flexibility and self-management

How to Apply

  • Applications are screened on an ongoing basis; early application encouraged
  • For questions, contact Carsten Trebbien at [email protected]
  • We look forward to receiving your application.

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