Greetings from Realtek Consulting!

We have an exciting contract opportunity for a Senior IBM i (AS400) System Administrator – ROBOT Scheduler.

Job Title: Senior IBM i (AS400) System Administrator – ROBOT Scheduler

Location: 100%Remote,Canada

Employment Type: Contract

Role Summary:

We are looking for an experienced IBM i (AS400/iSeries) System Administrator with strong expertise in IBM i system administration, production support, batch operations, and ROBOT Scheduler administration. The candidate will be responsible for maintaining system stability, performance, availability, security, and supporting business-critical production workloads.

Key Responsibilities:

- Administer IBM i (AS400/iSeries) environments across Production, DR, QA, and Development.
- Perform system monitoring, health checks, performance tuning, and capacity management.
- Manage user profiles, authorities, object permissions, and IBM i security controls.
- Perform IPLs and system startup/shutdown activities.
- Troubleshoot OS, subsystem, job, and production-related issues.
- Manage IBM i OS upgrades, technology refreshes, PTFs, HIPER PTFs, and security patches.
- Support backup and recovery activities using BRMS.
- Participate in disaster recovery testing, failover/failback exercises, and DR readiness activities.
- Support High Availability solutions such as MIMIX, PowerHA, iCluster, or equivalent.




- Administer and maintain ROBOT Scheduler environments.
- Create and manage batch jobs, calendars, dependencies, and production workflows.
- Monitor critical production batch schedules and troubleshoot failed, delayed, or long-running jobs.
- Manage job queues, subsystems, message queues, output queues, and spool files.
- Support month-end, quarter-end, and year-end production processing.
- Follow ITIL-based Incident, Problem, and Change Management processes.
- Coordinate with application, infrastructure, and business teams for production support and schedule changes.

Required Skills:

- Strong hands-on experience with IBM i / AS400 / iSeries System Administration.
- Experience with ROBOT Scheduler and batch job scheduling.
- IBM i OS administration, PTF management, upgrades, and technology refresh.
- Experience with BRMS backup and recovery.
- Knowledge of IBM i security, user profiles, authorities, and object permissions.
- Experience with IPL, subsystem, job queue, spool, and production operations.
- Experience with MIMIX, PowerHA, iCluster, or similar HA/DR technologies is preferred.
- Strong troubleshooting and production support experience.
- Knowledge of ITIL Incident, Problem, and Change Management processes.
- Positive communication and stakeholder-management skills.

📌 Senior IBM iSystem Administrator – ROBOT Scheduler (Canada)
🏢 Realtek Consulting
📍 Canada