Are you a Mainframe AS/400 Engineer seeking a new interesting challenge ?

If your answer is yes, it’s your lucky day so keep reading, it can be just what you're looking for !

We are looking for a dynamic, proactive and talented person to join our team and perform the following tasks :

- Develop, maintain, and enhance applications on the IBM i (AS/400) platform using COBOL.
- Analyse, troubleshoot, and optimise existing applications, implementing effective technical solutions and enhancements.
- Work extensively with DB2 databases and SQL for data management, analysis, and application support.
- Develop and maintain components in RPG where required within the AS/400 ecosystem.
- Produce and maintain clear, accurate, and up-to-date technical documentation.
- Collaborate closely with business stakeholders and technical teams based in Spain to ensure successful project delivery.
- AS/400
- COBOL
- DB2
- SQL
- RPG
- Years' experience: Minimum 8 years of experience working in IBM AS/400 (IBM i) environments, with strong expertise in COBOL, DB2, and SQL.
- Solid experience in application maintenance, enhancements, troubleshooting, and support within AS/400 platforms. RPG knowledge is a plus.
- English: Professional working proficiency.
- Spanish: Full professional proficiency / Native.
- Workplace: Hybrid (50%)
- Work Schedule: Business Hours
- Permanent contract - We offer indefinite contracts from the first day.
- Pay and benefits - Competitive salary and a flexible compensation plan adapted to your needs (Ticket restaurant plan, Childcare Ticket, Transport Ticket and Health Insurance).
- Work from home - We offer you a financial support every month for your working from home expenses. In addition, in the first month we will give you a bonus to help you to set up your workplace.
- Opportunity knocks - Being a part of a growing company,



we want to support your path with a career development plan and annual performance-based compensation reviews.
- Learn as you grow - Starting with a fantastic onboarding program, TCS has robust learning platforms that will allow you to learn and grow personal as professionally.
- Bring your buddy - If you have referred a friend for an open position under the BYB Scheme and she/he is hired you’ll receive a very attractive cash award.
- Connect globally - Work with people from all over the world. You can feel the multicultural workforce.
- Benefit from being a TCSer - By being part of the TCS Spain family you can enjoy benefits, offers and corporate discounts on the best brands.
- And so on - Appreciations, incentives, Team Building activities, diversity and inclusion programs, sustainability activities, corporative events... This has only just begun!

Tata Consultancy Services (TCS) is an Information Technology (IT) company founded in 1968 as part of the Indian Tata Group and is one of the top 3 technology companies globally

With a presence in 55 countries and more than 590,000 employees , TCS is considered one of the 10 best companies to work for worldwide in 2026 according to the Top Employers Institute

TCS Spain started operations in 2001 and currently has a diverse workforce that collaborates with the main Spanish and multinational companies

In 2026, TCS Spain has been recognized as a Top Employer , named one of the 100 Best Companies to Work for in Spain by Forbes , and ranked among a most attractive employers for Generation Z by Joinrs

Among the portfolio of services, TCS has information technology services , asset-based solutions , integral consulting , engineering and industrial services , digital solutions and services , application maintenance and development , quality assurance and testing services , IT infrastructure and BPS

Responsible for development , TCS Spain is committed to inclusion, diversity and sustainability , and promotes flexibility policies that support wellbeing and work-life balance

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📌 Mainframe AS/400 Engineer (Madrid)
🏢 Tata Consultancy Services
📍 Madrid