Tata Consultancy Services · 1 day ago
Mainframe Performance & Capacity Engineer
Atlanta, GA
Full-time
Onsite
Mid, Senior Level
$100K/yr - $130K/yrTata Consultancy Services is seeking a Mainframe Performance & Capacity Engineer to lead performance and capacity management initiatives across complex IBM z/OS environments. The role involves monitoring system health, analyzing performance data, and developing tuning strategies to optimize workload resource demand and capacity requirements.
Business Information SystemsConsultingInformation TechnologyIT Management
Responsibilities
Lead performance and capacity management initiatives across complex IBM z/OS environments
Monitor real-time z/OS system health and performance across CPU, memory, DASD, and WLM-managed workloads
Advanced knowledge of IBM zEnterprise hardware, RMF, SMF, SAS, MXG and related tools
Experience with SYSPLEX design, WLM policy tuning, and PR/SM optimization of GP & zIIP configurations
Collect and analyze system performance data to generate reports and dashboards
Develop and implement performance tuning strategies by recommending changes to service definitions, dispatching priorities, and workload placement
Contribute to capacity planning by forecasting and modeling workload resource demand & capacity requirements
Support cost modeling, vendor reporting (SCRT), infrastructure sizing and resource optimization efforts
Participate in on-call rotation for 24/7 support of critical systems
Qualification
Required
Proven experience in mainframe performance monitoring, observability, capacity management, and data analysis
Proven experience resolving systems performance problems in real-time via adjustments to WLM and batch initiators
Proficiency in REXX/Python, Job Control Language (JCL) & DB2
Strong understanding of Batch Processing and Job Scheduling
Deep expertise with SMF/RMF data, WLM service definitions, and z/OS workload behavior
Advanced knowledge of IBM zEnterprise hardware, RMF, SMF, SAS, MXG and related tools
Experience with SYSPLEX design, WLM policy tuning, and PR/SM optimization of GP & zIIP configurations
Collect and analyze system performance data to generate reports and dashboards
Develop and implement performance tuning strategies by recommending changes to service definitions, dispatching priorities, and workload placement
Contribute to capacity planning by forecasting and modeling workload resource demand & capacity requirements
Support cost modeling, vendor reporting (SCRT), infrastructure sizing and resource optimization efforts
Participate in on-call rotation for 24/7 support of critical systems
BACHELOR OF COMPUTER SCIENCE
Company
Tata Consultancy Services
Tata Consultancy Services is a business solutions company that specializes on information technology services and consulting.
Founded in 1968
10001+ employees
H1B Sponsorship
Tata Consultancy Services has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
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2025 (7880)
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2023 (8537)
2022 (11159)
2021 (9813)
2020 (11984)
Funding
Current Stage
Public CompanyTotal Funding
unknown2004-08-25IPO
Leadership Team
K. Krithivasan
Chief Executive Officer & Managing Director
Aarthi Subramanian
President and Chief Operating Officer
Recent News
2026-01-25
Business Standard India
2026-01-25
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