IBM i (AS/400) Systems Administrator - Local

United Systems and Software; Lake Mary (FL); On-site; USD 80,000 - 95,000; Full time

Job summary

United Systems and Software seeks an experienced IBM i (AS/400) Systems Administrator for their Lake Mary, Florida location. In this critical onsite role, you will be responsible for the stability and performance of IBM i systems, focusing on administration, backups, and user support, throughout the operations and troubleshooting processes.

Benefits

Health, dental, and vision insurance

401(k) with company match

Paid time off and holidays

Professional development opportunities

Stable, team-oriented work environment

Qualifications

• 5+ years of experience with IBM i (AS/400, iSeries) systems administration.
• Strong knowledge of IBM i architecture and system commands.
• Familiarity with job scheduling and HA/DR systems.

Responsibilities

• Administer and maintain IBM i systems, including daily operations.
• Manage PTF application and OS upgrades.
• Perform backups, restores, and disaster recovery procedures.

Skills

IBM i administration

Backups and restores

System performance troubleshooting

User support

Documentation skills

Communication

Education

IBM Certification in IBM i System Administration

Tools

BRMS

DB2 for i

PowerHA

MIMIX

Job description

Position Overview:

We are seeking a highly skilled IBM i (AS/400) Systems Administrator to join our onsite team in Lake Mary, Florida. This role is critical in supporting the stability, security, and performance of our IBM i infrastructure. The ideal candidate will have strong experience in IBM i administration, backups and restores, PTF management, system performance, and user support. This is an onsite-only role requiring hands-on server management and collaboration with internal IT and business teams.

Key Responsibilities:

• Administer and maintain IBM i (AS/400, iSeries) systems, including daily operations, monitoring, and maintenance.
• Manage PTF (Program Temporary Fix) application and OS upgrades.
• Perform and monitor backups, restores, and disaster recovery procedures.
• Manage user profiles, system security, and authority levels.
• Monitor system performance and troubleshoot hardware/software issues.
• Work with vendors and internal teams to resolve infrastructure issues.
• Create and maintain documentation for system processes, changes, and configurations.
• Provide support during business hours and participate in after-hours maintenance or on-call rotation as needed.
• Support software deployment, batch job processing, and interface communication.

Qualifications:

• 5+ years of hands-on experience with IBM i (AS/400, iSeries) systems administration.
• Strong knowledge of IBM i operating system architecture, CL programming, and system commands.
• Experience with backup and recovery tools (BRMS preferred).
• Familiarity with job scheduling, HA/DR systems, and storage management.
• Experience in applying PTFs and OS upgrades.
• Understanding of TCP/IP networking, printers, and security protocols within IBM i environment.
• Excellent communication and documentation skills.
• Ability to work independently in an onsite environment.

Preferred Qualifications:

• Experience with PowerHA, MIMIX, or other HA/DR solutions.
• Familiarity with DB2 for i and system monitoring tools.
• Prior work with enterprise-level financial, healthcare, or manufacturing systems.
• IBM Certification in IBM i System Administration (optional but preferred).

Benefits:

• Competitive salary based on experience.
• Health, dental, and vision insurance.
• 401(k) with company match.
• Paid time off and holidays.
• Professional development opportunities.
• A stable, team-oriented work environment in Lake Mary, FL.