Ahmad S.
Mid-Level Infrastructure System Engineer
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Ahmad S. is an accomplished System Engineer Infrastructure based in Jakarta, Indonesia, with a robust background in Linux system administration, VMware enterprise solutions, and IBM technologies. Since January 2026, he has been contributing to PT Global Infotech Solution where he designs and implements high-availability infrastructures to maintain maximum uptime and service continuity. His responsibilities include administering IBM Power Systems, performing performance tuning, managing IBM AIX environments, and handling enterprise storage solutions such as IBM Storage and FlashSystem. Ahmad is proficient in managing Storage Area Network (SAN) infrastructure and is adept at administering VMware vSphere, covering vital tasks like VM lifecycle management, HA/DRS, and capacity planning. His previous role at the same company as a System Engineer MSE involved managing Linux servers related to SAP HANA, overseeing IBM Power Systems, and handling data backup and restore processes using IBM Spectrum Protect. Ahmad holds a Bachelor of Computer Science in Information Systems from Universitas Saintek Muhammadiyah Jakarta. His certifications include IBM AIX v7.3 Administrator Specialty and expertise in VMware CloudFoundation.
Experience
System Engineer Infrastructure
PT Global Infotech Solution · 2026 — PresentDesigned and implemented High Availability (HA) infrastructure to maximize uptime and service continuity. Administered IBM Power Systems with tasks including LPAR provisioning, resource allocation, and performance tuning. Managed IBM AIX environments, focusing on system hardening, patching, monitoring, and troubleshooting. Handled enterprise storage solutions such as IBM Storage, FlashSystem, and Storwize through provisioning, zoning, masking, and replication. Maintained the Storage Area Network (SAN) infrastructure for enterprise workloads. Administered VMware vSphere, including ESXi and vCenter, managing VM lifecycle, HA/DRS, and capacity planning. Conducted performance monitoring, incident handling, and root cause analysis across compute and storage layers while collaborating with cross-functional teams to ensure system stability and compliance. Developed and maintained technical documentation, SOPs, and infrastructure standards.System Engineer MSE (Manage Service Engineer)
PT Global Infotech Solution · 2024 — 2025Managed and configured Linux servers (SLES) related to the ERP system (SAP HANA), focusing on system performance monitoring, routine OS maintenance, and handling patch updates and troubleshooting at the OS level. Administered IBM Power Systems, maintained IBM Storage such as IBM Storwize or FlashSystem, and handled data backup and restore processes using IBM Spectrum Protect and IBM Tivoli Storage Manager. Managed the IBM Tape Library to back up data to tape. Deployed, configured, and maintained virtualization environments through VMware vSphere/ESXi with centralized management via vCenter, creating and managing virtual machines, snapshots, and resource pools. Monitored VM performance and availability while performing load balancing.
Skills & Expertise
Education
- Bachelor of Computer Science: Information SystemUniversitas Saintek Muhammadiyah Jakarta · 2018 — 2023