IBM iSeries AS Infrastructure Administrator

IBM iSeries (AS/400) Infrastructure Administrator – L3Experience: 11+ YearsLocation: Colombia / LATAMJob SummaryWe are looking for an experienced IBM iSeries (AS/400) Infrastructure Administrator – L3 to manage, support, and optimize enterprise IBM i environments. The role will handle advanced technical issues, system upgrades, security, backup/recovery, HA/DR, HMC, and VIOS administration.Key ResponsibilitiesProvide L3 technical support and mentor L1/L2 teams.Administer and troubleshoot IBM i / AS/400 environments.Monitor system performance, capacity, and availability.Manage IBM i security, SSL/digital certificates, SSH, and access controls.Manage BRMS, backups, recovery, and disaster recovery.Administer High Availability (HA) and Disaster Recovery (DR) environments.Manage storage, IFS, disk balancing, and SAN connectivity.Configure and troubleshoot IBM i TCP/IP networking.Manage Advanced Job Scheduler and production workloads.Administer tape libraries, devices, firmware, and media.Perform IBM i OS upgrades, PTF management, and maintenance.Administer HMC, including partitions, firmware upgrades, security, and backups.Administer VIOS, including Virtual SCSI, NPIV, SEA, SAN, and virtual media.Perform LPAR disk management and VIOS upgrades/patching.Coordinate with IBM and third-party vendors for technical issues.Support infrastructure projects, migrations, maintenance, and DR testing.Participate in 24x7 production support and on-call rotation.Required Skills11+ years of experience in IBM i / AS/400 Administration.Strong experience with IBM Power Systems, HMC, and VIOS.Strong knowledge of HA/DR, BRMS, backup/recovery, and storage.Experience with IBM i security and networking.Experience with PTF management and IBM i upgrades.Strong troubleshooting and L3 escalation experience.Good communication and stakeholder management skills.Willingness to support critical incidents and planned maintenance outside business hours.