Mainframe Operator (IBM Z)
Technical professional with over 10 years of experience in mission-critical systems, production environments, and operational stability, transitioning into a Mainframe Operator (IBM Z) role.
Brings a strong background in incident handling, root-cause analysis, structured troubleshooting, and strict operational procedures, gained through years of QA Automation and system-level work. Experienced in working with batch processes, logs, monitoring, job execution flows, and controlled production changes, with a deep understanding of the importance of accuracy, responsibility, and 24/7 operational readiness.
Hands-on knowledge of z/OS environments, ISPF, SDSF, JCL, CICS, REXX, DB2 basics, datasets, and operational workflows, combined with strong discipline, documentation skills, and adherence to procedures. Proven ability to learn complex systems quickly, work under pressure, and collaborate with cross-functional teams in regulated environments.
Motivated to grow as a Mainframe Operator, contribute to system availability and reliability, and develop long-term expertise in enterprise mainframe operations.
Backend Automation Engineer | METRIX | 2022 – 2024
· - Developed automated scripts for Java APIs using Unirest.
· - Leveraged AI to improve code efficiency and maintainability.
· - Tools: Jira, GitLab, Slack.
Freelance Web Developer | SHI.SHI | 2020 – 2021
· Built responsive React apps (class components), landing pages, and a WordPress-based CRM.
· - Integrated Firebase for backend services.
Automation Developer | Maccabi Medical Systems | 2017 – 2020
· - Developed E2E tests in agile healthcare projects.
· Delivered reports throughout sprint cycles.
· - Tools: QC, TFS, Selenium, UFT, Eclipse.
Automation QA Engineer | Insurance Sector | 2014 – 2016
· - Created test scripts (API, Selenium) across testing environments (smoke, sanity, regression).· Automation Tester | Bank Leumi (via Qualitest) | 2010 – 2013
· Built script infrastructure supporting manual QA teams.
·MainFrame Operator | BlueTech | 2026
· B.A. in Computer Science | Hadassah Academic College | 2003
Languages & Tools: JavaScript, React, Node.js, REST APIs, Firebase, Selenium, Unirest, Git, Jira, Slack, WordPress
Testing: UFT, TFS, QC, Eclipse, API Testing, Automation Frameworks
Soft Skills: Fast Learner, Problem Solver, Independent & Team Player
The system is designed to connect lonely elderly people with nearby volunteers using geographic mapping.
(admin: admin@example.com ,psw: Admin123! ;
volunteer: eli.pentser@gmail.com, psw: 123456)
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