Associate Senior Mainframe/NonStop System Administrator
Total System Services (TSYS)
Pune, Maharashtra
Permanent
Full-time
18 days ago
As part of a team, with minimal supervision while providing technical guidance to junior team members: Devises or modifies procedures to solve complex problems considering mainframe computer capacity and limitations, operating time and desired results Works closely with operations teams to ensure successful peak days processing; timely SLA delivery, and implementation of processing efficiency improvements while maintaining 100% system availability Prepares charts and diagrams to assist in problem analysis; driving to recommendations for solutions SLA Trend analysis, Batch Performance tuning, Class Priority tuning, initiator structure tuning System analysis - Ability to monitor, recognize, and escalate system issues impacting services in a rapidly evolving and dynamic environment Configures IBM Z machines in a complex environment of multiple Parallel Sysplex s, maximizing performance of z/OS systems and applications, while minimizing risk and expense Defines, analyzes and adjusts WLM performance goals of workloads to achieve satisfactory response time and maintain SLA attainment Projects, recommends, and implements resource needs to support organic growth and planned software/hardware changes using SMF/RMF data, statistical modeling, zPCR, and in house developed VBA and Python tools. Supports disaster recovery procedures, demonstrating a thorough knowledge of disaster recovery techniques and drives to ever faster RTO s. Generates concise and compelling capacity and system KPI s, communicating them clearly to higher levels and for executive summary. Enhances the automation of a large knowledge repository using SAS/MXG to process SMF RMF data. Provides IBM Z infrastructure technical expertise throughout the software and hardware lifecycle including design, implementation and delivery. Works directly with internal and external clients translating knowledge and data analysis into impactful insight. Performs other duties as assigned. Other Duties Performs other duties as assigned. Required Qualifications In Depth knowledge of SAS, SMF, RMF, WLM, Linear Regression, MS Excel 6+ yrs Mainframe capacity planning and system performance experience. Working knowledge of JCL, SQL, SCRT, CA7, and zPCR Excellent communication, presentation, and documentation skills with proficiency in MS/Google Office product suites. Team Player, able to work independently, while still bringing strong collaborative and consultative skills to bear Self starting learner with deep sense of ownership over assigned areas Bachelor s Degree in Computer Science preferred, other majors considered. Willing to accept additional experience in lieu of a degree Expertise in Statistical and data analysis Analytical solution oriented thinker, strong deductive reasoning skills able to turn data into insight Able to Multitask, identify critical tasks, and prioritize work appropriately Applicants with less experience may be considered for a lower level position Preferred Qualifications 6+ Years experience in system administration in a highly available enterprise environment 6+ yrs experience with z/OS subsystems DB2, IMS, CICS, MQ, MVS, VSAM, DASD, and VTS. 6+ yrs TSYS experience. Familiarity with TSYS TS1, TS2 commercial and consumer batch schedules Experience in Data Science Machine Learning Working knowledge of COBOL, REXX, VBA, and/or Python. Any Computer Programming Experience is a plus. MXG Codeshark Applicants with less experience may be considered for a lower level positio