iSeries Administrator (AS400)



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Job Title: IBM iSeries Administrator

Job Overview:

We are seeking a skilled and experienced IBM iSeries Administrator to join our IT team. The ideal candidate will be responsible for the management, configuration, and optimization of our IBM iSeries (AS/400) platform. As an iSeries Administrator, you will play a crucial role in ensuring the stability, security, and performance of our critical business applications running on the iSeries system.

Key Responsibilities:

  1. System Administration:
  • Install, configure, and maintain IBM iSeries hardware and operating system software.
    • Manage system resources, including memory, disk space, and CPU utilization.
  1. User and Security Management:
  • Administer user accounts, profiles, and access permissions.
    • Implement and enforce security policies to protect system resources and data.
  1. Backup and Recovery:
  • Develop and maintain backup and recovery procedures to safeguard critical data.
    • Perform regular backups and test the recovery processes.
  1. Performance Tuning:
  • Monitor system performance and identify opportunities for optimization.
    • Implement performance tuning measures to ensure efficient operation.
  1. Software Installation and Maintenance:
  • Install, upgrade, and patch operating system and application software.
    • Coordinate with vendors to resolve software-related issues.
  1. Job Scheduling:
  • Schedule and manage batch jobs and system tasks to optimize resource utilization.
    • Ensure timely execution of critical processes.
  1. Problem Resolution:
  • Diagnose and resolve hardware and software-related issues.
    • Collaborate with vendors and internal teams to implement solutions.
  1. Capacity Planning:
  • Conduct capacity planning to anticipate resource requirements and ensure scalability.
    • Make recommendations for hardware and software upgrades as needed.
  1. Documentation:
  • Maintain comprehensive documentation of system configurations, procedures, and troubleshooting steps.
    • Provide training and documentation for end-users and IT staff.
  1. Collaboration:
  • Collaborate with IT teams, developers, and business stakeholders to understand requirements and provide technical support.
    • Participate in cross-functional projects as an iSeries expert.
  1. Security Audits and Compliance:
  • Conduct security audits to identify and address vulnerabilities.
    • Ensure compliance with industry standards and regulations.


  • Bachelor’s degree in Computer Science, Information Technology, or related field.
  • Proven experience as an IBM iSeries Administrator.
  • Strong knowledge of IBM iSeries hardware, operating system (OS/400), and related software.
  • Proficiency in user and security management on the iSeries platform.
  • Experience with backup and recovery procedures.
  • Solid understanding of system performance tuning and optimization.
  • Excellent problem-solving and troubleshooting skills.
  • Effective communication and collaboration skills.
  • Industry certifications such as IBM Certified System Administrator for IBM i are a plus.

Brooksource provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, national origin, age, sex, citizenship, disability, genetic information, gender, sexual orientation, gender identity, marital status, amnesty or status as a covered veteran in accordance with applicable federal, state, and local laws.


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