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.