Mainframe Architect

Mainframe Architect

Remote

Top Skills:
1. z/OS System upgrades
2. Product Upgrade
3. JES2/JES3 migration experience

Job Description:
Excellent understanding of System z architecture
Excellent experience with z/OS version upgrades (Advantage if experience 3.2 upgrade or above)
JES2/JES3 migration experience
Experience in building Mainframe LPAR and OS Upgrades
Knowledge Catalog management IBM system utilities
Knowledge on VTAM TCPIP ACF2 and GDPS
Installation of patches and fixes
Installation and maintenance of ISV products REXX RMF SMF
Installation and customization of z/OS and related IBM or other ISV software;
Extensive experience with providing performance and tuning using monitoring tools (f. ex. z/OS Performance Monitor or other tools);
DIRMAINT administration RACF/Top secret/ACF2 administration;
REXX knowledge - SSI knowledge;
Ability to support network configuration and maintenance (Real TCP/IP stack VSWITCH TCPIP tools in z/OS etc.);
Solid skills in z/Linux system cloning and configuration including memory and file system allocation;
System parameters/parmlib maintenance
Managing incidents on z/OS related issues
z/OS performance monitoring and reporting
Capable of planning and supporting Disaster recovery exercises
Performance tuning & Development of operational procedures
Experience with system indicators (logs dumps error) logs for pro-active management of system problems
Installation and maintenance of ISV products (For z/OS)
Ability to work with Developers in fixing issues
Extremely familiar with IBM z/OS Upgrade
Experience in Coordinating with Vendor to complete the upgrades
Planning installation customization of z/Linux and guest operating system
Ability to perform dump and restore of system data.
Responsible for tolerating PTF maintenance for ISV products
Access management - onboarding and access provisioning

Key Responsibilities:
Incident Management / Problem Management by performing problem analysis and resolution implementation
Support maintenance release and major OS upgrades.
Process client requests for system software modifications
Review system indicators (logs dumps error) logs for pro-active management of system problems
Work with operations to monitor maintain and IPL systems to improve consistency and availability
Monitor / Tune system performance and work with performance engineering and capacity teams
Ensure availability and performance objectives as required by clients and management are maintained for operating systems and for system software components
Implement appropriate tools and processes to automate repeated tasks
Manage various license codes for infrastructure software.
Capable of planning and supporting Disaster recovery exercises
Performance tuning & Development of operational procedures
Implement changes as needed to support other towers and day-to-day operations.
Work with IBM and other Independent Software Vendors on a regular basis
Provide regular management reports / analysis to senior management team regarding Incidents Changes and requests