AS400 Administrator

Valiant Technologies LLC; Plano (TX); On-site; USD 83,000 - 118,000; Full time

Job summary

Valiant Technologies LLC is seeking an experienced AS/400 Administrator to manage IBM i systems in Plano, onsite. The role emphasizes system administration, performance monitoring, backup and recovery, security, and problem resolution.

You will collaborate across infrastructure teams, maintain documentation, and ensure high availability. The ideal candidate has strong CL knowledge, BRMS experience, and familiarity with DB2 for IBM i, with a focus on upgrades, patches, and security.

Qualifications

• Strong hands-on IBM AS400 administration experience.
• Knowledge of IBM i operating systems and system architecture.
• Experience with IBM i system commands and CL.
• Knowledge of job scheduling, job queues, subsystems, and batch jobs.
• Experience with BRMS backup and recovery.
• Knowledge of PTF management, system upgrades, and patching.
• Experience with user administration, security, and access management.
• Strong troubleshooting and system performance monitoring skills.
• Understanding of high availability and disaster recovery concepts.
• Familiarity with DB2 for IBM i is preferred.

Responsibilities

• Install, configure, administer, and maintain IBM AS400 / IBM i systems.
• Monitor system performance, availability, and infrastructure health.
• Perform system upgrades, PTF installations, patch management, and maintenance.
• Manage user profiles, security, access controls, and permissions.
• Handle backup, recovery, and disaster recovery operations.
• Monitor and troubleshoot system jobs, subsystems, queues, and batch processing.
• Manage system storage, disk utilization, and performance optimization.
• Support high availability and disaster recovery solutions.
• Identify and resolve system issues, outages, and bottlenecks.
• Coordinate with application, database, network, and infrastructure teams.
• Maintain technical documentation and configurations.

Skills

AS/400 administration

BRMS backup

Job scheduling

Security administration

Troubleshooting

System monitoring

CL commands

DB2 for IBM i

Education

Bachelor's degree in CS/IT

Tools

BRMS

DB2 for IBM i

PTF management

Job description

Job Title: AS400 Administrator

Location: Plano, TX(Onsite)

Duration: 24 Months + Extension

Bill Rate: $73/hour (C2C)

Job Type: W-2, 1099, C2C

Client: To Be Discussed Later

Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description:

We are looking for an experienced AS400 Administrator to manage, maintain, support, and optimize IBM AS400 (IBM i) systems. The ideal candidate should have strong experience in system administration, infrastructure management, performance monitoring, backup and recovery, security administration, and troubleshooting in an AS400 environment.

Key Responsibilities:

• Install, configure, administer, and maintain IBM AS400 / IBM i systems.
• Monitor system performance, availability, and overall infrastructure health.
• Perform system upgrades, PTF installations, patch management, and system maintenance.
• Manage user profiles, system security, access controls, and permissions.
• Handle backup, recovery, and disaster recovery operations.
• Monitor and troubleshoot system jobs, subsystems, job queues, and batch processing.
• Manage system storage, disk utilization, and performance optimization.
• Support high availability and disaster recovery solutions.
• Identify and resolve system issues, outages, and performance bottlenecks.
• Coordinate with application, database, network, and infrastructure teams.
• Maintain technical documentation, operational procedures, and system configurations.

Required Technical Skills:

• Strong hands-on experience with IBM AS400 / IBM i administration.
• Knowledge of IBM i operating systems and system architecture.
• Experience with IBM i system commands and CL (Control Language).
• Knowledge of job scheduling, job queues, subsystems, and batch jobs.
• Experience with backup and recovery tools such as BRMS.
• Knowledge of PTF management, system upgrades, and patching.
• Experience with user administration, security, and access management.
• Strong troubleshooting and system performance monitoring skills.
• Understanding of high availability and disaster recovery concepts.
• Familiarity with DB2 for IBM i is preferred.

Preferred Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Relevant IBM i / AS400 certifications are an advantage.
• Experience supporting enterprise-level AS400 environments.
• Strong communication, analytical, and problem-solving skills.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.