IBMi System Administrator

Programmers.io; India; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Programmers.io is seeking an IBM i System Administrator to ensure reliable operation, performance, and security of AS/400 systems in an India-based environment.

The role emphasizes proactive monitoring, job scheduling automation, robust backup strategies, and disaster recovery testing, with emphasis on security and regular software updates. The position involves documenting configurations and coordinating with application teams.

Qualifications

• Experience administering IBM i (AS/400) systems.
• Familiarity with backup, recovery, and disaster recovery procedures.
• Experience with system monitoring and performance tuning.
• Experience with user management and security policies.

Responsibilities

• Monitor system performance, resource utilization and job queues.
• Identify and resolve system bottlenecks and errors.
• Maintain system health through diagnostics and tuning.
• Automate batch jobs and system tasks using WRKJOBSCDE.
• Coordinate with teams to optimize job scheduling windows.
• Develop backup strategies using SAVSYS, SAVLIB, SAVOBJ and IFS.
• Use BRMS for automated media tracking and recovery operations.
• Perform restoration tests to validate backup integrity.
• Execute disaster recovery steps (RSTLIB, RSTOBJ, RSTUSRPRF, RSTCFG).
• Administer user profiles and security policies.
• Install patches and coordinate software upgrades.
• Document configurations and troubleshooting steps.

Skills

System monitoring

Performance tuning

Automation & scripting

Tools

WRKJOBSCDE

BRMS

SAVSYS

SAVLIB

SAVOBJ

RSTLIB

RSTOBJ

RSTUSRPRF

RSTCFG

IFS backups

Job description

Job Description

Overview

The IBMi System Administrator is responsible for the reliable operation, performance, and security of IBM i (AS/400) systems. This role ensures business continuity through proactive system monitoring, efficient job scheduling, and robust backup and recovery strategies.

Key Responsibilities

System Monitoring & Maintenance

• Monitor system performance, resource utilization (CPU, memory, disk), and job queues.
• Identify and resolve system bottlenecks and errors.
• Maintain system health through regular diagnostics and performance tuning.

Job Scheduling & Automation

• Use IBM i Job Scheduler (WRKJOBSCDE) to automate batch jobs and system tasks.
• Ensure timely execution of critical business processes.
• Coordinate with application teams to optimize job dependencies and scheduling windows.

Backup & Recovery

• Develop and maintain backup strategies using SAVSYS, SAVLIB, SAVOBJ, and IFS backups.
• Implement multi-tier backup plans: daily incremental, weekly full library, and monthly full system backups.
• Use BRMS (Backup, Recovery & Media Services) for automated media tracking and recovery operations.
• Perform regular restoration tests to validate backup integrity.
• Execute recovery procedures including RSTLIB, RSTOBJ, RSTUSRPRF, and RSTCFG during disaster recovery scenarios.

Security & User Management

• Administer user profiles, access permissions, and security policies.
• Conduct regular audits to ensure compliance with internal and external standards.

Software & System Updates

• Install and patch IBM i operating system and related software.
• Coordinate with vendors for software upgrades and issue resolution.

Capacity Planning & Documentation

• Forecast system growth and recommend hardware/software upgrades.
• Maintain detailed documentation of system configurations, procedures, and troubleshooting steps.