Tata Consultancy Services

Mainframe Engineer

Tata Consultancy Services$100K — $130K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of hands-on experience with z/OS installations and maintenance.
  • Proven track record with significant z/OS upgrades and ISV products.
  • Experience with IBM Z hardware and LPAR configurations.
  • Knowledge of automation tools for enterprise operations.
  • Familiarity with ZEKE Scheduler and workload management in z/OS environments.
  • Exposure to large enterprises or regulated environments.

Responsibilities

  • Plan and execute z/OS system upgrades.
  • Apply IBM PTFs to maintain system integrity.
  • Monitor system health and performance metrics with the latest tools.
  • Install and configure various ISV products efficiently.
  • Collaborate with vendors for support and technical assistance.
  • Manage critical system datasets and ensure their reliability.
  • Perform in-depth analysis of system performance to recommend optimizations.

Benefits

  • Comprehensive medical coverage including dental and vision plans.
  • Generous parental leave and family support programs.
  • Various insurance options including home and auto.
  • Professional growth opportunities with training reimbursements.
  • Enjoy time-off benefits including vacation and sick leave.
  • Access to legal and financial assistance services.
Full Job Description
Must Have Technical/Functional Skills

  • In-depth knowledge and hands-on experience with z/OS operating system installation, configuration, and maintenance.
  • Proven experience with major z/OS upgrades
  • Extensive experience with the installation and support of various ISV products from vendors such as Broadcom/CA, BMC, IBM, and Rocket Software
  • Hands-on experience with IBM Z mainframe hardware including CPCs, LPAR configuration, HMC/SE operation, IOCDS/IODF management, FICON channels, OSA, Coupling Facility structures, and hardware upgrades or migration
  • Understanding of automation tools such as OPS/MVS, System Automation, Automation Point, and integration of alerts/monitoring across enterprise operations
  • Familiarity with ZEKE Scheduler to support operations teams and diagnose JES/workload issues.
  • Exposure to large enterprises or regulated environments.


Roles & Responsibilities

  • Plan, prepare, and execute z/OS operating system upgrades
  • Apply IBM PTFs and APARs to maintain system integrity and resolve reported issues
  • Monitor z/OS system health, performance, and resource utilization using tools like RMF, SMF, TMON and SAS
  • Install, configure, upgrade, and maintain a wide range of ISV products (e.g., Broadcom/CA, BMC, IBM, Rocket Software, etc.)
  • Have good understanding and experience on Hardware Configuration Definitions / IOCP and HMC Management and WLM management.
  • Collaborate with vendors for problem resolution, licensing, and technical support.
  • Ensure compatibility and integration of ISV products with the z/OS environment.
  • Manage and maintain critical system datasets (e.g., SYSRES, Page datasets, SMF datasets).
  • Provide expert-level support for mainframe incidents, including problem determination, diagnosis, and resolution in a timely manner.
  • Analyze system performance data to identify bottlenecks and recommend improvements.
  • Tune various z/OS components, WLM (Workload Manager), and ISV products to optimize resource utilization and application performance.
  • Support DR planning, setup, IPL testing, replication technologies (e.g., GDPS), and DR event execution.
  • Analyze system logs, sysout, dumps, and diagnostic data for complex issues
  • Participate in on-call rotation for 24/7 support of critical systems.


Salary Range-$100,000-$130,000 a year

#LI-KR3

TCS Employee Benefits Summary:

Discretionary Annual Incentive.

Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans.

Family Support: Maternal & Parental Leaves.

Insurance Options: Auto & Home Insurance, Identity Theft Protection.

Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement.a

Time Off: Vacation, Time Off, Sick Leave & Holidays.

Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.

About Tata Consultancy Services

Tata Consultancy Services (TCS) is an Indian multinational information technology (IT) services and consulting company, headquartered in Mumbai, Maharashtra, India. It is a subsidiary of Tata Group and operates in 149 locations across 46 countries. TCS is the largest Indian company by market capitalization and is ranked 11th on the Forbes Global 2000 list of the world's biggest public companies. TCS is also the second-largest IT services company in the world by revenue and the largest employer of women in India. The company provides services in areas including IT, consulting, and business solutions.
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