IT Senior Mainframe Developer

Inetum2

Lisbon, Lisbon, Portugal Hybrid permanent

Posted: May 8, 2026

Quick Summary

Develop and maintain complex mainframe applications, working closely with a dynamic and inclusive team with a focus on innovation and technology. Key responsibilities and skills required include expertise in mainframe programming languages, experience with cloud-based infrastructure, and strong problem-solving skills.

Job Description

Inetum is a global leader in IT services, dedicated to providing innovative solutions to our clients. We are committed to fostering a dynamic, inclusive workplace that values diversity, where creativity and collaboration thrive. We operate in 19 countries with more than 28,000 employees worldwide.

If you are looking for a dynamic, innovative, and technology-driven company, Inetum is the place for you! Come be Inetum!

• Design, develop and maintain complex mainframe applications                                                   
• Develop and maintain JCL scripts to automate batch processing and data transfer                                              
• Collaborate with database administrators to ensure efficient data access and manipulation                                              
• Ensure adherence to industry best practices, security standards, and compliance requirements                                        
• Troubleshoot and resolve complex technical issues                                   

• COBOL                                               
• JCL                                                       
• IDMS                                                    
• DB2                                                      
• English – B2
• Portuguese - B2

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