Mainframe System Engineer M - F H/F EXPERIS
- Luxembourg
- CDI
- Télétravail partiel
- Bac +2
- Bac +3, Bac +4
- Bac +5
- Services aux Entreprises
- Exp. 1 à 7 ans
Les missions du poste
Experis Luxembourg is currently looking for a Mainframe System Programmer that will performs advanced installation, configuration, customization, and support of core z/OS and associated subsystems (CICS, MQ, IMS) to ensure operational stability, performance, and security for one of our client based in Luxembourg.
Key Responsibilities
- Install, configure, upgrade, and maintain CICS, MQ, IMS, and z/OS software and associated products in line with enterprise standards and lifecycle best practices.
- Apply PTFs (Program Temporary Fixes), APARs (Authorized Program Analysis Reports), and oversee product patching and tuning to ensure systems are secure and up-to-date.
- Diagnose and resolve complex mainframe infrastructure issues, including in-depth error dump analysis, performance tuning, and support escalated incidents affecting middleware and operating system availability.
- Customize subsystem parameters, create and manage regions, started tasks, queue managers, and address spaces for CICS, MQ, and IMS.
- Automate and streamline operational activities using tools and scripting languages (REXX, JCL, CLIST) for monitoring, administration, and recovery.
- Collaborate with application, database, and network teams to ensure secure, efficient integration of middleware and core platform components.
- Implement access control, encryption, and compliance standards (e.g., RACF for security, SOX/PCI-DSS for regulatory).
- Lead or participate in disaster recovery drills and infrastructure tests to maintain business continuity readiness.
- Maintain up-to-date documentation for all system programming procedures, configurations, and change management activities.
Required Skills & Experience
- Extensive experience (typically 5+ years) as a system programmer supporting CICS, MQ, IMS, and z/OS.
- Demonstrated expertise with SMP/E, system software upgrades, subsystem customization, and debugging complex middleware/operating system issues.
- Strong scripting and automation capabilities (JCL, REXX, CLIST), and familiarity with operational monitoring tools.
- Proficiency in mainframe security administration (such as RACF) and regulatory compliance.
- Proven track record supporting high-availability environments and delivering incident-free operations.
Preferred Qualifications
- Experience with hybrid or cloud-mainframe integration technologies.
- IBM or vendor certifications in CICS, MQ, IMS, or z/OS.
- Strong communication, documentation, and cross-platform troubleshooting skills
Since 2011 Experis is the global brand of ManpowerGroup for executive recruitment and professional services. Within Experis, Experis IT is the entity that specializes in the computer industry and telecommunications at the crossroads of IT careers and human resources.
Experis IT works for its clients as well as a service company, as a Recruitment Consultancy but also offers innovative solutions for outsourcing all or part of the recruitment function for the major European players. Our Research and Selection's entity identifies and selects the best candidates on the market on behalf of software vendors, consulting firms, integrators and end customers such as major key IT companies worldwide.
Our IT services' entity constantly recruits new staff and allows them to intervene, through various missions, with a broad spectrum of major accounts in various industries. Experis IT has currently more than 25,000 consultants in mission in the world, and provides each year to recruit more than 10,000 specialists in information technologies to benefit its customers.
Contact us : ****@****.**
If you are interested by this opportunity, do not hesitate to apply here or send us your cv at ****@****.**.
Pas de salaire renseigné
Agence d'intérim
-
Cette offre est publiée par une agence d'intérim. Le poste peut être situé au sein de l’entreprise indiquée ou chez un client pour lequel elle recrute.
Publiée le 29/10/2025 - Réf : 3601951/26128714 MSEM/L
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Mainframe System Engineer M - F H/F
- Luxembourg
- CDI
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