Senior Mainframe Developer - COBOL / DB2

ITProposal
Brussel, Belgium
1 day ago
Apply on www.careerjet.be
Prepare application

Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
8 years minimum
Working hours
Regular working hours

Tech stack

Customer Information Control System (CICS) COBOL (Programming Language) IBM DB2 Job Control Language (JCL) IBM System Z Mainframes Pl/i Software Engineering SQL Databases

Job description

  • Develop and maintain mainframe applications using COBOL and related technologies.
  • Design and implement application processes and solutions.
  • Work with DB2 databases and SQL.
  • Develop and maintain JCL processes.
  • Work with CICS and other mainframe technologies.
  • Analyze technical requirements and translate them into effective solutions.
  • Participate in development projects and application enhancements.
  • Troubleshoot and resolve application and technical issues.
  • Collaborate with global technical and business teams.
  • Quickly learn and adapt to new technologies and methodologies.

Requirements

We are looking for an experienced Senior Mainframe Developer with strong expertise in COBOL, PL/I, JCL, DB2, SQL, and CICS. The ideal candidate will have solid application development and process design experience, preferably within Capital Markets or Investment Banking environments. The successful candidate will work in a global environment and should demonstrate strong analytical, problem-solving, communication, and interpersonal skills., * 8-10 years of relevant mainframe development experience.

  • Strong knowledge of COBOL.
  • Strong knowledge of PL/I, JCL, DB2, SQL, and CICS.
  • Experience with Mainframe DB2 Application Development.
  • Experience working with System Z / JCL.
  • Application and process design experience.
  • Strong analytical and problem-solving skills.
  • Excellent interpersonal and communication skills.
  • Ability to work effectively in a global environment.

Desirable

  • Strong PL/I coding experience.
  • Domain knowledge in Capital Markets or Investment Banking.
  • Ability to quickly learn and adopt new technologies and methodologies.

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on www.careerjet.be
Prepare application

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

4:40 min

Analyzing COBOL mainframe migration challenges with AI

Michael Friedrich Michael Friedrich · World Congress 2026 Europe

1:45 min

Building IT systems for global finance markets

Anastasia Troitskaya Anastasia Troitskaya · World Congress 2024

5:15 min

Embracing age diversity to learn legacy code

Lea Fragner · LIVE

6:35 min

Modernizing legacy COBOL mainframe systems using AI agents

Chris Heilmann +2 · LIVE

3:48 min

Modernizing massive legacy mainframe and IBM i codebases

Maximilian Jesch Maximilian Jesch · World Congress 2026 Europe

3:12 min

Evaluating the execution speed of legacy tech stacks

Lea Fragner · LIVE

Videos

See all

Related articles

See all