Mainframe z/OS System Administrator/System Programmer
Summary of key responsibilities
Minimum 5-7+ years onwards of BOTH broad and in-depth hands-on technical and design/architect level experience in Mainframe z/OS
Experience in a multi-site (multiple Data Center) Mainframe shop of minimum 5K MIPS and above.
Worked with Client/Customer, OEM & ISV Vendors, Business Partners related to all aspects of the Mainframe Platform.
Support various Mainframe Software, both IBM and OEM/ISV products
Mainframe High Availability & Disaster Recovery
Derive realistic Mainframe SLAs and design / propose architecture meeting those SLAs goals
Mainframe Licensing, TCO and ROI planning
Years of Experience
Minimum 5-7+ years up to 30 years of hands-on technical and Architect experience on the Mainframe Platform as a whole (HW, SW, NW, OS, ISV, Storage and Security)
Technical requirements
IBM z15, z16 & z17 Mainframe HW and Parallel Sysplex/GDPS-GDDR Setup
JES2/JES3, DFSMS suite, SNA/VTAM & TCP/IP
PARMLIB, PROCLIB, RMF/SMF, SMP/E, HCD, HCM, IODF, Dumps & Traces
Install/Upgrade/Patch/Configure ISV Products from Broadcom CA, BMC, Rocket SW, Software AG, LRS, Precisely etc…
zOS Upgrades, HW Refresh, DC LPAR & Data Migration
SIEM (Q-Radar), z/OS-SA (System Automation), CA-OPS/MVS Automation
Security ACF2, RACF, Top Secret, zSecure Suite, Mainframe zCrypto, Digital Certificates
OmegaMon, BMC AMI Suite MainView CA View, basic knowledge on SAS, Strobe, APA
IBM and EMC Disk and Tape Storage hardware, software and replication.
Mainframe Capacity Planning and Performance Tuning, Buffer Pool Tuning,
MIPS Optimization, zIIP Offload, SMT
Mainframe Data Center Architecture (Metro Mirror, Global Mirror, MGM, 2/3/4 site GDPS & GDDR)
IBM and EMC HW and Replication GDPS, GDDR methodology. Hitachi optional.
Experience in Disaster Recovery setup and conducting DR drills, RTO, RPO.
Knowledge on Mainframe DB2, IMS, MQ, CICS, WAS, BMC Control-M, TWS, CA7, CA-ESP
Mainframe Data Center Physical Planning and Design
Employer questions
- What's your expected monthly basic salary?
- How many years' experience do you have as a systems administrator?
- Which of the following types of qualifications do you have?
Company profile
Tata Consultancy Services (TCS) is a leading global IT services, consulting, and business solutions organization that has been partnering with some of the world’s largest enterprises since 1968. Rooted in the legacy of the Tata Group, TCS is known for its strong culture of innovation, engineering excellence, and customer centricity.
TCS is on a bold journey to become the world’s largest AI‑led technology services company, helping clients transform across the full AI stack from infrastructure to intelligent solutions. With a presence in 55 countries and 200+ delivery centers, TCS has built long‑term partnerships that span decades and technology eras from mainframes to artificial intelligence
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