Natobotics - OS Systems Programmer - z/OS System

Description :

Job Title: OS Systems Programmer

Location : Bangalore

Experience : 9 - 12 years

Role Overview

The z/OS Systems Programmer is responsible for the administration, maintenance, and optimization of IBM z/OS systems and associated hardware/software infrastructure.

This role ensures system reliability, performance, and compliance with enterprise and regulatory standards while supporting a global operations environment.

Key Responsibilities

- Manage and maintain IBM Z hardware, including server configurations, DS8K disk arrays, TS7700 virtual tape systems, and Brocade FICON & expansion switches.

- Support z/OS systems software installation, customization, and maintenance using SMP/E.

- Develop and maintain PROCs, JCLs, ISPF dialogs, and panels.

- Oversee USS structures, permissions, and TCP/IP configurations, including OSPF, FTP, SMTP, and ICMP.

- Manage digital certificates, RACF standards, and keyrings ensuring system security and compliance (SOX, PCI, GDPR).

- Conduct packet trace collection and diagnostics for system issue resolution.

- Manage storage systems using DFSMS, DFHSM, DFDSS, TLMS, CA-Spool, CA-Deliver, CA1, and related tools.

- Coordinate with global operations teams to ensure uptime, performance, and adherence to SLAs.

- Generate and maintain technical documentation, audit reports, and operational procedures.

Hardware :

Skills & Expertise Required :

- IBM Z servers, IBM DS8K disk arrays, IBM TS7700 virtual tape systems

- Brocade FICON & Expansion switches

Networking :

- SNA/APPN, FICON MPC, XCF, EE/EBN

- TCP/IP stack components (OSPF, FTP, SMTP, ICMP)

- Firewall, DNS, proxy, and digital certificate management

Software :

- z/OS, JES2/NJE, TSO, ISPF, SDSF, RMF, WLM, RACF, SMP/E, USS/NFS

- Storage tools: DFSMS, DFHSM, DFDSS, CA-Spool, CA-Balancing, CA-Deliver, TLMS, CA1

- Monitoring and management: Omegamon Suite, Guardium, Healthchecker, Thruput Manager

- Development tools: COBOL, REXX, EasyTrieve, File-Aid, Xpediter, Abend-Aid

- Security: Vanguard RACF Admin, IBM Multi-Factor Authentication

Other Tools :

- ChangeMan, MXG, PKZIP, Syncsort, TPX, OPSMVS, ESP

Qualifications :

- Bachelors Degree in Computer Science, Information Technology, or related field.

- 10+ years of hands-on experience in z/OS systems programming and administration.

- Strong analytical, diagnostic, and automation skills.

- Excellent communication and collaboration abilities across global teams.

- Proficiency in MS Office tools for documentation and reporting