Current IT/OT infrastructure work, industrial project delivery, and the enterprise networking experience behind it.
Architecture, assessments, and delivery across industrial and enterprise infrastructure.
Assessment, target architecture, and modernization planning for CEMS/HAWA infrastructure, covering virtualization, backup, network separation, and regulatory readiness.
Assessed IT/OT connectivity and communication dependencies to prepare a staged firewall-hardening approach that accounts for operational risk.
Completed an infrastructure assessment and documentation baseline for Maximo ERP, supporting lifecycle, security, and network-segmentation improvement planning.
Deployed Proxmox Backup Server with scheduled backups, retention management, restore validation, and documented operational procedures.
Implemented automated OT asset inventory using Nozomi, bringing discovery, classification, and monitoring into a centralized asset-visibility platform.
Redesigned and segmented OT networking with firewall infrastructure, VLANs, and access controls, including migration, validation, and operational handover.
Built a VMware virtualization platform and migrated physical OT systems, with commissioning, documentation, and post-implementation operation.
Designed and installed network infrastructure for PT Pertamina EP CPP Matindok, covering switching, WAN connectivity, monitoring, and wireless.
Designed and installed network infrastructure for PT Pertamina EP CPP Donggi, with switching, WAN services, and centralized network management.
Designed and deployed building and data-center networking for the new KPK building, including wireless, encrypted branch connectivity, and internet load balancing.
Designed and installed factory network and wireless infrastructure, integrating the Indonesian environment into the BP global network.
Delivered new office networking and data-center relocation with a phased migration strategy and branch WAN optimization.
Focused projects spanning infrastructure, wireless, backup, and pre-implementation design.
Reviewed Nutanix AHV backup architecture, Veeam components, backup strategy, and operational monitoring.
Survey and implementation work for industrial point-to-point connectivity, covering installation planning, field integration, and documentation.
Managed delivery of an IP-based CCTV solution for production-line monitoring, replacing an analog environment.
Installed and operated a Veritas-based tape-backup platform for OT workloads, including server-room infrastructure and system integration.
Developed pre-implementation architecture, technical requirements, and Scope of Work for an on-premises Utility / Energy Management System.
My involvement ended at architecture, technical requirements, and Scope of Work. Implementation was outside my scope.
Reactivated Disaster Recovery Center network infrastructure, including switching and application load balancing.
Delivered controller-based office wireless and fine-tuned coverage and services using Fluke AirMagnet.
Performed passive, predictive, and active wireless surveys using AirMagnet survey, spectrum-analysis, and planning tools.
Upgraded wireless LAN with Cisco controller-based access points and pre- and post-installation surveys using VisiWave.
Operational improvements in documentation, standardization, asset management, and governance.
Expanded Endpoint Central use for asset inventory, remote support, monitoring, and endpoint-management improvement.
Created a Layer-2 network baseline to support operational troubleshooting, ongoing validation, and future changes.
Standardized interface descriptions and physical cable labeling to improve maintainability and troubleshooting.
Developed an IT/OT asset inventory procedure covering ownership, verification, lifecycle governance, training, and records management.
Standardized Veeam and PBS operational checklists, daily backup reviews, and restore-validation expectations.