János Rozsnyai
Senior IMS System Programmer and DBA
Salaire / Taux journalier
Székesfehérvár, Hongrie
Freelance
Peut venir sur site
Expertises
À propos
Introduction
IMS System Programmer and DBA with 18+ years of mainframe expertise, currently at Tryg. Specialized in IMS modernization, database performance tuning, and parallel sysplex environments with proven success in optimizing batch flows and improving system stability. Expert in IBM, CA, and BMC tools, delivering high-availability solutions and comprehensive DR support for enterprise mainframe systems.
Expérience de travail
IMS System Programmer and IMS DBA
Tryg
févr. 2024 - déc. 2025
1 an 11 mois
Székesfehérvár, Hongrie
– Problem determination, solution and changes – Maintain different IMS resources, DBs, programs, transactions – Use different tools from IBM, CA, BMC – DR test – Extract information from IMS logs – Support one customer (oncall/standby) – Optimize the batch flow – IMS modernization – DB performance tunning – Managing IMS queues, increase the system stability and availibility – Help the developers with debug information, analyze trace data
IMS System programmer and IMS Database Admin
Kyndryl
sept. 2021 - janv. 2024
2 ans 5 mois
Székesfehérvár, Hongrie
– Problem determination, solution and changes which are carried out and monitored in various PCM tools – Define, install, modify different IMS resources, DBs, programs, transactions – Use different tools from IBM, CA, BMC – Install, maintain and migrate IMS and IMS related tools, applications – Configure and manage IMS in parallel sysplex environment – Maintenance of system documentation – Maintenance of operator manuals – Support DR test – Extract information from IMS logs – Support multiple customer (on-call)
IBM
janv. 2007 - sept. 2021
14 ans 9 mois
Székesfehérvár, Hongrie
IMS System programmer and Database Administrator
janv. 2012 - sept. 2021
9 ans 9 mois
Székesfehérvár, Hongrie
– Problem determination, solution and changes which are carried out and monitored in various PCM tools – Define, install, modify different IMS resources, DBs, programs, transactions – Use different tools from IBM, CA, BMC – Install, maintain and migrate IMS and IMS related tools, applications – Configure and manage IMS in parallel sysplex environment – Maintenance of system documentation – Maintenance of operator manuals – Support DR test – Extract information from IMS logs – Support multiple customer (on-call)
z/OS Mainframe operator
janv. 2008 - janv. 2012
4 ans 1 mois
Székesfehérvár, Hongrie
– 24/7 server monitoring – administration – software maintenance(IPLs, etc) – support multiple costomers
z/VM System programmer
janv. 2007 - janv. 2008
1 an 1 mois
Székesfehérvár, Hongrie
– server monitoring – administration – software maintenance – networking and storage capacity provision – regional software support
Information Technology System Administrator
Government of Csongrád County
janv. 2002 - janv. 2004
2 ans 1 mois
– Linux / Unix / Windows system administration – Local extranet upgrade and support – Develop the homepage of the government – Writing tenders – Coordination of purchases
Formation
Széchenyi István Technical college of Economic
Diploma, Economic department
University of Szeged
Mathematician, Echonomic Programming Mathematician