Mainframe Designer

Location: Brussels Belgium
Start Date: August 2026
Contract Duration: 6 Months
Experience: 810 Years

Job Overview

We are seeking an experienced Mainframe Designer with strong expertise in mainframe application design and development. The ideal candidate will have extensive experience translating business requirements into high-level and detailed technical designs while collaborating with cross-functional teams in an Agile environment. Experience within Capital Markets or Investment Banking is highly preferred.

Key Responsibilities

• Design and develop mainframe applications based on business requirements.
• Create High-Level Designs (HLD) and Detailed Application Designs (DAD).
• Collaborate with Business Analysts Application Owners Developers Testers and Operations teams throughout the project lifecycle.
• Design scalable reliable and maintainable mainframe solutions.
• Participate in Agile ceremonies and contribute to continuous improvement initiatives.
• Analyze technical challenges and provide effective design solutions.
• Ensure adherence to development standards best practices and project guidelines.
• Support development teams during implementation and deployment activities.

Required Skills

• Strong expertise in Mainframe technologies.
• Hands-on experience with:
  • PL/1
  • JCL
  • DB2
  • SQL
  • CICS
• Experience creating High-Level and Detailed Application Designs.
• Strong understanding of application development lifecycle.
• Excellent analytical and problem-solving skills.
• Strong communication and stakeholder management skills.
• Ability to work effectively in Agile environments.
• Ability to learn new technologies and methodologies quickly.

Preferred Qualifications

• Experience in Capital Markets or Investment Banking.
• Experience working with globally distributed teams.
• Strong interpersonal and collaboration skills.

Experience Required

• 810 years of relevant experience in Mainframe Design and Development.

Location

• Brussels Belgium

Contract

• 6-month contract with the possibility of extension based on project requirements.