ISeries / AS400 System Administrator

Veriipro; Coppell (TX); On-site; USD 80,000 - 110,000; Full time

Job summary

Veriipro seeks an experienced iSeries / AS400 System Administrator to manage IBM i environments across production and DR systems. This role involves ensuring performance, security, and availability of IBM POWER systems running IBM i 7.x.

Key responsibilities include administering environments, performing system upgrades, and troubleshooting application issues. Candidates should have strong experience with IBM i and POWER systems, along with a solid understanding of IBM i 7.x.

Qualifications

• Strong experience in administering IBM i environments.
• Hands-on experience with IBM POWER systems (POWER8‑11).
• Solid knowledge of IBM i 7.x.

Responsibilities

• Administer and support IBM i environments (production, non-production, DR).
• Perform OS upgrades, PTF installations, and firmware updates.
• Monitor and tune system performance (CPU, memory, disk).
• Troubleshoot issues with applications and DB2 for i.

Skills

Administering IBM i (iSeries / AS400)

IBM POWER systems (POWER8‑11)

IBM i 7.x knowledge

Troubleshooting applications and DB2

Job description

We are looking for an experienced iSeries / AS400 System Administrator to manage and support IBM i environments across production, non-production, and DR systems. The role focuses on maintaining the performance, security, and availability of IBM POWER systems running IBM i 7.x.

Primary Responsibilities

• Administer and support IBM i environments (production, non-production, DR).
• Perform OS upgrades, PTF installations, and firmware updates.
• Manage LPARs and system resources.
• Monitor and tune system performance (CPU, memory, disk).
• Troubleshoot issues with applications, subsystems, jobs, and DB2 for i.
• Ensure backups, recovery, IPLs, and incident response are executed properly.
• Administer IBM i security (user profiles, object authorities, auditing).
• Maintain documentation and runbooks.
• Act as an escalation point for complex issues.

Required Qualifications

• Strong experience administering IBM i (iSeries / AS400).
• Hands‑on experience with IBM POWER systems (POWER8‑11).
• Solid knowledge of IBM i 7.x.
• Experience supporting mission‑critical production systems.

Preferred

• PTF management and system upgrade experience.
• Exposure to backup, disaster recovery, or high‑availability solutions.
• Strong documentation and communication skills.