Job Description

SIX drives the transformation of financial markets.
What sets us apart drives us ahead: between local roots and global relevance, we are a unique blend of tradition and future, of foundation and growth. We value bright minds and inspire them to grow with their ideas. Come and shape the future of finance with us.
Software Engineer (80-100%)
Zurich | working from home up to 40% | Reference 7364
Are you passionate about software engineering, system-near programming, and application-level development?
Do you enjoy working with modern technologies as well as assembler?
Are you driven to make IT faster, more efficient, and impactful in the value chain of financial information data flow?
We are looking for a Mainframe Developer with strong expertise in High-Level Assembler and z/OS mainframe technologies. In this role, you will contribute to the development, maintenance, on-call support, and optimization of mission-critical systems in a dynamic and collaborative environment.
Interested? Apply now!
What You Will Do

• Develop and maintain applications using High-Level Assembler on IBM Mainframe systems
• Work with JCL, DB2, and REXX for job control, database access, and scripting
• Use GIT for version control and IDz (IBM Developer for z Systems) as your main IDE
• Collaborate with cross-functional teams to ensure system reliability and high performance
• Contribute to code reviews, testing, and documentation

What You Bring

• Several years of experience with IBM High-Level Assembler and Macro programming
• Solid understanding of z/OS architecture and mainframe programming; Linux knowledge is a plus
• Proficiency in COBOL, C, JCL, DB2, REXX, GIT, and IDz; Java is an advantage
• Strong analytical skills and ability to implement solutions independently in complex environments
• Fluent in English (spoken and written); German is a strong plus

If you have any questions, check out our or call Gabriela Swiatek at +48 532 466 652 / +41 58 399 42 33 / +34 91 330 51 49.
For this vacancy we only accept direct applications in English.
Diversity is important to us. Therefore, we are looking to receiving applications regardless of any personal background.
What We Offer
Flexible Work Models
We trust our employees and offer a work environment that is well-balanced, productive and fosters success.
Personal Development
You will benefit from a culture of continuous learning and feedback. Your personal growth is supported through an extensive learning offering.
Agile Working Methods
Whether through scrum or design thinking,
we solve exciting tasks together in teams.

Skills Required