BWI GmbH | Germany | 04xxx, 89xxx, 81xxx, 65xxx, 80xxx, 20xxx, 60xxx, 22xxx, 21xxx, 10xxx, 14xxx, 13xxx, 12xxx, 90xxx, 53xxx Bonn, Frankfurt, Hamburg, München, Nürnberg, Ulm, Berlin, Leipzig | Permanent position | Full time / Home office | Published since: 08.01.2026 on stepstone.de
Senior System Engineer Mainframe (m/f/d)
As a primary digitization partner of the Bundeswehr, we provide stable, safe and efficient IT services in Germany and abroad, from basic operations to the field close to the application and thus contribute to the continuous increase in the leadership and operational capacity of the Bundeswehr. With over 7,700 colleagues, we operate and modernise one of the largest and most complex IT infrastructures in Germany. We are looking for responsible IT specialists who are convinced that the Bundeswehr-IT will further develop in challenging digitalization projects and thus contribute to Germany's security. Together with us, we are concerned about the future digital capability of the Bundeswehr. Senior System Engineer Mainframe (m/w/d) from now on and in full time preferred in Bonn or Berlin, alternatively nationwide at one of our BWI locations. The ITOM 2 Application department provides the hardware/software infrastructure for the operation of the central applications of the Bundeswehr at the data center locations in Bonn and Strausberg. It is responsible for the design of the mainframe infrastructure, provision, maintenance, operation and second-level support of the operating system z/OS including the security, database, automation, monitoring and production and application-controlling software used on this operating system platform.
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Your tasks • Your profile • What we offer
Ensuring the operation of the z/OS systems
Conception and Planning of z/OS Mainframe and Security Solutions
Implementation, testing and use of software configuration changes
Development and updating of implementation and operating standards
Consultation and support in questions regarding the use of z/OS systems
Takeover of Second Level Support
Successfully completed studies with IT reference and 2 years or a comparable training with 5 years of relevant professional experience Very good knowledge of Mainframe architecture, RACF environment and REXX and JCL
routine in handling in certificate management zOS
Expressed analytical competence, readiness to learn and awareness of responsibility Very good communication capability and high team capability Willingness to carry out business trips 1 x per quarter for 1-3 days and willingness to call with special remuneration
As the primary digitization partner of the Bundeswehr, we enable and support in peace, crisis and war The BWI offers a market-oriented remuneration, a secure workplace and a premised and employee-funded occupational pension scheme You start with 30 days of annual holiday with option for individual adjustments We allow you flexibility to reconcile work and private life, for example through mobile work or trust work time and the long-term construction of a value balance account for e.g. a sabbatical We provide you with a modern notebook (HP EliteBook) and a high-end smartphone (Apple) You can lease your desired bike and calculate it with a gross salary conversion
Location
 | BWI GmbH | |
| 89075 Bonn, Frankfurt, Hamburg, München, Nürnberg, Ulm, Berlin, Leipzig | ||
| Germany |
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