Senior IBM i (AS/400) Systems Administrator | L3

GeorgiaTEK Systems Inc.; Medellín; Presencial; COP 249.120.000 - 435.961.000; Jornada completa

Descripción de la vacante

GeorgiaTEK Systems Inc. in Colombia seeks an IBM iSeries (AS/400) Infrastructure Administrator – L3 to lead and optimize enterprise IBM i environments.

The role requires deep expertise in performance tuning, security, backups, HA/DR, storage management, and system upgrades, with responsibility for mentoring L1/L2 teams and serving as the highest technical escalation for IBM i infrastructure. The successful candidate will design and implement robust operations procedures, generate executive-level

Formación

• 11+ years of experience in IBM iSeries (AS/400) system administration.
• Expert in performance tuning, security, backup and recovery, high availability and disaster recovery.
• Ability to mentor L1 and L2 support teams and provide technical escalation for IBM i infrastructure.

Responsabilidades

• Provide technical leadership and mentoring to L1 Operators and L2 Administrators.
• Develop operational procedures, standards, and best practices for IBM i administration.
• Analyze and optimize system performance and capacity planning.
• Generate executive-level reports on system availability and performance.
• Design and administer IBM i security policies and controls, including SSL/SSH and certificate management.
• Coordinate backup, recovery, DR planning, testing, and failover activities.
• Design, implement, and administer HA/DR environments to meet RPO/RTO goals.
• Administer storage environments, IFS, and SAN connectivity; perform storage expansion and tuning.
• Configure TCP/IP networking on IBM i systems and manage network connectivity for related hardware.
• Manage Advanced Job Scheduler, tape library, and firmware upgrades; oversee HMC and VIOS administration.

Descripción del empleo

GeorgiaTEK Systems Inc. in Colombia seeks an IBM iSeries (AS/400) Infrastructure Administrator – L3 to lead and optimize enterprise IBM i environments.

The role requires deep expertise in performance tuning, security, backups, HA/DR, storage management, and system upgrades, with responsibility for mentoring L1/L2 teams and serving as the highest technical escalation for IBM i infrastructure. The successful candidate will design and implement robust operations procedures, generate executive-level