AS400 System Administrator - Marshall Technologies

Job Title: AS400 System Administrator
Location: Issaquah, WA (Onsite)
Experience: 5+ years

We are seeking an experienced AS400 System Administrator to join our team in Issaquah, WA. The ideal candidate will have a strong background in IBM Power systems and AS400/iSeries system administration, including work management, user management, journal management, and performance management. You will be responsible for system upgrades, installations, migrations, and ensuring the performance and security of the systems.

• System Administration: Manage AS400/iSeries systems with responsibilities including work management, user management, journal management, and performance tuning.
• IBM Power Systems: Administer and maintain systems on IBM Power with OS versions V7R2, V7R3, V7R4.
• Project Leadership: Lead projects related to system hardware and OS upgrades, as well as LPAR installation, configuration, and virtualization.
• System Upgrades: Perform firmware upgrades on servers and hardware, handle HMC updates, and perform BIOS upgrades.
• Software Installation: Manage the installation of Cumulative PTFs, Group PTFs, software licensed programs, and license key management.
• Backup and Recovery: Administer Backup and Recovery Media Services (BRMS) for disaster recovery planning and execution.
• Hardware and Device Management: Configure devices, manage external disks, and resolve hardware-related issues such as tape libraries, disk failures, and optical connections.
• System Migrations: Lead server migration projects and handle system errors, including reference codes and error message resolution.
• Maintenance and Upgrades: Perform routine maintenance, LPAR upgrades, memory upgrades, and hardware replacements.
• Disaster Recovery: Develop and execute disaster recovery plans for critical systems, ensuring systems are restored efficiently.
• Security and Compliance: Perform vulnerability analysis and remediation while ensuring that systems meet compliance and audit requirements.
• Performance and Capacity Management: Monitor and optimize system performance, managing capacity to ensure reliable operation.
• Incident, Change, and Problem Management: Collaborate with teams to manage incidents, changes, and problems following ITIL-based processes.

• Proven experience in AS400/iSeries system administration.
• Expertise in IBM Power Systems with OS versions V7R2, V7R3, V7R4.
• Hands-on experience with LPAR installation, configuration, and virtualization.
• Experience with firmware upgrades, BRMS, and backup/recovery processes.
• Proficiency in cumulative PTF and software installation.
• Strong understanding of performance management, capacity management, and server migrations.
• Ability to resolve hardware-related issues, including tape libraries, disk failures, and HMC handling.
• Experience in disaster recovery planning and system refresh.
• Knowledge of compliance and audit requirements and vulnerability management.

• Familiarity with Change, Incident, and Problem Management processes (ITIL framework).
• Experience in secured operations and system refresh processes.
• Strong organizational and communication skills.