Mainframe Support Consultant (IBM z/OS) with German
Confirmed on the employer's own hiring board on Nov 12, 2026. First seen by Alion on Nov 12, 2026. NTT DATA scores A on the Alion truth index.
Who we are
We are a Mainframe Application Support team working with business-critical enterprise systems and international customers. Our focus is on reliable operations, effective incident resolution and continuous improvement.
We are looking for a Mainframe Support Consultant with foundational mainframe knowledge who wants to further develop their expertise in enterprise mainframe operations and technologies such as IBM z/OS, GDPS and System Automation. You will work alongside experienced colleagues and customer teams, building deeper technical expertise through Knowledge Transfer and hands-on experience. Fluent German is essential, as customer communication and technical and operational discussions will primarily take place in German.
What you'll be doing
- Provide operational support for IBM mainframe environments based on documented procedures and runbooks.
- Monitor systems, identify alerts and incidents, and perform initial analysis and troubleshooting.
- Handle and document incidents, service requests and operational activities.
- Execute standard operational procedures and predefined recovery actions.
- Escalate complex incidents to senior or third-level support teams when required.
- Support mainframe technologies and environments involving IBM GDPS, System Automation, SAN and storage infrastructure.
- Participate in Knowledge Transfer, shadowing and reverse-shadowing sessions to build project-specific technical knowledge.
- Maintain and improve operational documentation and runbooks.
- Communicate with customer representatives and internal technical teams in German and English.
- Participate in a shift-based support model, including early, late and/or night shifts, with on-call activities after completing the required training and onboarding.
What you'll bring along
- Fluent German skills, both spoken and written.
- Good English communication skills.
- Foundational knowledge of IBM mainframe environments, ideally z/OS, or initial hands-on experience in mainframe operations/support.
- Good understanding of IT infrastructure, IT operations or enterprise systems.
- Basic understanding of incident management and troubleshooting principles.
- Ability to follow technical procedures and work with structured documentation.
- Strong interest in developing expertise in specialized mainframe technologies such as GDPS, System Automation and enterprise storage.
- Willingness to work in shifts and participate in on-call activities after the onboarding period.
- Structured, reliable and service-oriented way of working, with good communication and teamwork skills.
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What’s in it for you
New beginnings can be a challenge. We promise a smooth integration and a supportive mentor
Pick your working style: choose from Remote, Hybrid or Office work opportunities
Early bird or night owl? Our projects have different working hours to suit your needs
Nobody is born an expert. Sharpen your tech skills with our sponsored certifications, trainings and top e-learning platforms
We want you to stay healthy! Enjoy our Private Health Insurance - it’s custom-made for you
A clear mind is a healthy mind. Attend individual coaching sessions or go one step further by joining our accredited Coaching School
Make the most of our epic parties or themed events - they’re lovingly designed for our people and their families
NTT DATA recruiters will never ask job seekers and candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties that may try to impersonate NTT DATA recruiters, either in writing or by phone, in an attempt to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will be associated with an @nttdata.com email address. NTT DATA will not use any non-NTT DATA or personal email domains (Gmail, Yahoo, etc.) or personal communication channels (WhatsApp, Facebook etc) at any time during the recruitment process. If you suspect any fraudulent activity, please contact us.
NTT DATA Romania is an equal opportunity employer and considers all applicants regardless to race, color, religion, citizenship, national origin, ancestry, age, sex, sexual orientation, gender identity, genetic information, physical or mental disability, veteran or marital status, or any other characteristic protected by law. We are committed to creating a diverse and inclusive environment for all employees.
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What’s in it for you
- New beginnings can be a challenge. We promise a smooth integration and a supportive mentor
- Pick your working style: choose from Remote, Hybrid or Office work opportunities
- Early bird or night owl? Our projects have different working hours to suit your needs
- Nobody is born an expert. Sharpen your tech skills with our sponsored certifications, trainings and top e-learning platforms
- We want you to stay healthy! Enjoy our Private Health Insurance - it’s custom-made for you
- A clear mind is a healthy mind. Attend individual coaching sessions or go one step further by joining our accredited Coaching School
- Make the most of our epic parties or themed events - they’re lovingly designed for our people and their families
Make this the place you grow
Your unique talent is what matters. NTT DATA Romania is an equal opportunity employer and considers all applicants regardless to race, color, religion, citizenship, national origin, ethnicity, age, gender, sexual orientation, gender identity, genetic information, physical or mental disability, veteran or marital status, or any other characteristic.
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Third parties fraudulently posing as NTT DATA recruiters
NTT DATA recruiters will never ask job seekers and candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties that may try to impersonate NTT DATA recruiters, either in writing or by phone, in an attempt to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will be associated with an @nttdata.com email address. NTT DATA will not use any non-NTT DATA or personal email domains (Gmail, Yahoo, etc.) or personal communication channels (WhatsApp, Facebook etc) at any time during the recruitment process. If you suspect any fraudulent activity, please contact us.