ITDS Portugal

ITDS is a leader in outsourcing IT engineers and works with various web and mobile technologies for over 30 global clients. It has been recognized as one of the 1000 fastest-growing companies in Europe for three consecutive years, Great Place to Work, and the Forbes Diamond award in 2023. ITDS currently has more than 600 IT professionals working in Portugal, Poland, and the Netherlands.
About company

Senior COBOL Developer – Mainframe Systems

On-site

location Lisbon

date September 11, 2026

Apply here apply View all jobs

Join a transformative journey in mainframe technology — shape the future of enterprise systems!

Lisbon-based opportunity with hybrid work model

As a Senior COBOL Developer, you will be working for our client, a global IT leader driving innovation with cutting-edge mainframe solutions and services. You will play a pivotal role in developing and maintaining core legacy systems, translating complex requirements into reliable COBOL programs, and collaborating with cross-functional teams to ensure high-quality deliverables. This role offers a pathway for technical mastery and career advancement in a dynamic environment.

Your main responsibilities:

  • Develop and enhance mainframe applications using COBOL, DB2/SQL, and JCL to meet business requirements.
  • Understand detailed requirements and translate them into effective COBOL code.
  • Collaborate with Business Analysts and Technical Leads to ensure seamless system delivery.
  • Conduct unit testing and system integration testing to guarantee software stability.
  • Support the deployment and support phases, including troubleshooting and issue resolution.
  • Create detailed test documentation and execute test cases effectively.
  • Uphold strict adherence to client standards, security policies, and best practices.
  • Mentor junior team members, sharing expertise and supporting knowledge transfer initiatives.

You're ideal for this role if you have:

  • At least 7 years of experience with COBOL, CICS, DB2/SQL, JCL, and mainframe online screens.
  • Over 5 years of experience in system analysis, design, and testing.
  • Proficiency with Eclipse, Visual COBOL, and working in Unix Shell Scripts is a plus.
  • Experience with CI/CD pipelines, particularly Jenkins and Git.
  • Excellent command of English (B2 level or higher).

It is a strong plus if you have:

  • Knowledge of mainframe support activities during testing phases.
  • Relevant certifications in legacy systems or mainframe development.

Language required for the role:

  • English (Good command)

Eligibility to work in Europe:

  • Only candidates with an existing legal right to work in the European Union will be considered for this role.

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

Apply here

Contacts and Address

hand
Twitter Linkedin Facebook