Senior IBMi Systems Administrator

Softthink Solutions; San Antonio (TX); Remote; USD 90,000 - 120,000; Full time

Job summary

A leading company is seeking a Senior IBMi Systems Administrator to manage and optimize IBM i (AS/400) systems. This remote position involves server administration, security compliance, performance monitoring, and disaster recovery planning. The ideal candidate will have extensive experience in a DoD or Federal IT environment, with strong skills in troubleshooting and security compliance. Join a dynamic team and contribute to critical infrastructure improvements and software deployments.

Qualifications

• 5+ years of IBM i (AS/400) administration experience in a DoD or Federal IT environment.
• Expertise in security compliance and performance tuning.

Responsibilities

• Perform daily OS administration, security patches, and server monitoring.
• Manage user accounts, access policies, and ensure DoD security compliance.
• Oversee IBMi BRMS backups and disaster recovery planning.

Skills

Troubleshooting

Security Compliance

Infrastructure Optimization

Education

IBM Certified System Administrator – IBM i

Tools

IBMi Access Client Navigator

SysLog

SIEM (Microsoft Sentinel)

Job description

We are seeking a Senior IBMi Systems Administrator to manage, maintain, and optimize IBM i (AS/400) systems. The role includes server administration, security compliance, performance monitoring, user access control, and disaster recovery planning.
Key Responsibilities:

• Server Administration & Maintenance – Perform daily OS administration, IBMi Enterprise Extender management, journaling, and system monitoring. Apply security patches, troubleshoot server issues, and maintain documentation.
• User Access & Security – Manage user accounts, permissions, access policies, and SSL certificates. Ensure DoD security compliance and support STIG and ACAS resolution.
• Performance Monitoring & Troubleshooting – Establish system baselines, configure alerts, analyze logs, and troubleshoot issues. Utilize monitoring tools and SysLog for SIEM integration.
• Backup & Disaster Recovery – Oversee IBMi BRMS backups, enterprise extenders, and disaster recovery planning.
• Collaboration & Support – Work with client, and vendors to resolve technical issues. Support software deployments and infrastructure improvements.
• Training & Documentation – Provide knowledge transfer sessions and maintain configuration records.

Qualifications:

• 5+ years of IBM i (AS/400) administration experience in a DoD or Federal IT environment.
• Expertise in IBMi Access Client Navigator, BRMS backups, security compliance, and performance tuning.
• Experience with SysLog, SIEM (Microsoft Sentinel), and system monitoring tools.
• Strong troubleshooting, security, and infrastructure optimization skills.

Preferred:

• IBM Certified System Administrator – IBM i
• Experience with DFAS/DISA security requirements and compliance.

This is a remote position.