Senior IBMi Systems Administrator

Job Summary:
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.