AS400 Administrator

Quantum Technologies. LLC; Plano (TX); On-site; USD 85,000 - 116,000; Full time

Job summary

Quantum Technologies. LLC is seeking an experienced AS400 Administrator in Plano, TX to manage IBM i systems on-site. The role covers administration, performance monitoring, backup/recovery, security, and upgrades in a 24-month+ environment.

The ideal candidate has strong CL scripting and DB2 for IBM i familiarity, with experience in batch jobs, job queues, and high-availability planning. On-site work required.

Qualifications

• Experience with IBM AS/400 / IBM i administration and CL scripting.
• Familiarity with BRMS backup/recovery and PTF patching.
• Knowledge of security, user management, and DR concepts.

Responsibilities

• Install, configure, administer, and maintain IBM AS400 / IBM i systems.
• Monitor performance and health of the infrastructure; troubleshoot issues.
• Perform upgrades, PTF installations, patching, and maintenance.
• Manage user profiles, security, and access controls.

Skills

AS/400 admin

IBM i

CL commands

Job scheduling

BRMS

PTF management

Security & access

DR concepts

Performance monitoring

System upgrades

DB2/IBM i

Education

Bachelor's degree in Computer Science or IT

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.