IBM iSeries (AS/400) Infrastructure Administrator – L3Location: Bogotá, LATAMDuration: Long TermKey ResponsibilitiesLead administration, optimization, troubleshooting, and L3 escalation for enterprise IBM i environments.Perform advanced performance tuning, system assessments, capacity planning, and root-cause analysis.Design and administer HMC, IBM Power Systems, LPARs, and VIOS environments.Manage VIOS Virtual SCSI, NPIV, Virtual Ethernet, SEA, SAN connectivity, and LPAR disk allocation.Design and maintain BRMS backup/recovery strategies and lead complex recovery activities.Design, administer, and test HA/DR environments, including failover/failback and RPO/RTO validation.Lead IBM i security, including access controls, SSL/digital certificates, SSH, secure key management, audits, and vulnerability remediation.Engineer storage, IFS, SAN connectivity, disk balancing, expansion, and performance optimization.Design and troubleshoot IBM i TCP/IP networking and infrastructure connectivity.Administer Advanced Job Scheduler and optimize production workloads.Lead IBM i OS upgrades, PTF management, HMC/VIOS upgrades,



and IBM Power firmware upgrades.Validate compatibility across Power firmware, HMC, VIOS, and IBM i OS levels.Administer enterprise tape libraries, VTLs, Virtual Media Library, and backup devices.Coordinate complex technical issues with IBM and third-party vendors.Mentor L1/L2 teams and establish operational standards, procedures, and best practices.Lead infrastructure improvement, architecture reviews, maintenance, migration, and DR initiatives.Must-Have Skills5+ years IBM i / AS400 Infrastructure AdministrationHMC + LPAR AdministrationAdvanced VIOS AdministrationIBM Power Systems / FirmwareBRMS / Backup & RecoveryHA/DR Design & AdministrationIBM i Performance Tuning & Capacity PlanningStorage / SAN / IFSIBM i Security / SSL / SSHIBM i OS Upgrades & PTF ManagementTCP/IP NetworkingAdvanced Job SchedulerEnterprise Production Support / L3 EscalationGood to HaveNPIV, Virtual SCSI, SEA, Virtual Media Library, VTL, PowerHA/HA technologies, tape libraries, Call Home, security compliance, DR exercises, infrastructure modernization, and vendor management.
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📌 Infrastructure Administrator (Bogotá)
🏢 GeorgiaTEK Systems
📍 Bogotá