IT Senior Mainframe Developer

Inetum2

Lisbon, Lisbon, Portugal Hybrid permanent

Posted: March 25, 2026

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!

Work within the established SCC/SCM team, responsible for maintaining and evolving a complex mainframe-based system, with a focus on database integration and optimization, to support critical business operations and drive growth, with the opportunity to take on additional product management responsibilities and contribute to the strategic direction of the product.                                                                            

Main Tasks and Responsibilities:

• 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                                   

Technical skills

Mastery in:

• COBOL                                               
• JCL                                                       
• IDMS                                                    
• DB2                                                      

Language skills:

• English – Mastery
• Portuguese - Mastery

Soft Skills:

• Problem-solving skills                            
• Communication and collaboration                                 
• Collaboration                               

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