Job Description :-
• Excellent understanding of System z architecture
• Excellent experience with IBM z/OS operating system
• Experience in building Mainframe LPAR and OS Upgrades
• Knowledge Catalog management, IBM system utilities
• Knowledge on VTAM, TCPIP, ACF2 and GDPS
• Experience on z/VM, zVSE and z/Linux
• Installation of patches and fixes
• Installation and maintenance of ISV products, REXX, RMF, SMF
• Administration and configuration of z/VM Operating Systems running SuSE or RedHat Linux
• Installation and customization of z/VM and related IBM or other ISV software;
• Extensive experience with providing performance and tuning using monitoring tools (f. ex. z/VM Performance Monitor or other tools);
• DIRMAINT administration – RACF/Top secret administration;
• REXX knowledge - SSI knowledge;
• Ability to support network configuration and maintenance (Real TCP/IP stack, VSWITCH, TCPIP tools in z/VM, 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
• Knowledge on DFSMS, DFSMShsm, Flashcopy, ICF Catalogs, HCD
• 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 zVM, ZVSE and zOS)
• Ability to work with Developers in fixing issues
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
The Cognizant community:
We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive.
- Cognizant is a global community with more than 300,000+ associates around the world.
- We don’t just dream of a better way – we make it happen.
- We take care of our people, clients, company, communities and climate by doing what’s right.
- We foster an innovative environment where you can build the career path that’s right for you.
About us:
Cognizant is one of the world's leading professional services companies, transforming clients' business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ-100 and one of Forbes World’s Best Employers 2024) is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.
Disclaimer:
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.