Wihadil's CV
Wihadil Adian Karyono
Cloud Engineer | Database Administration
Profile summary
L2 Cloud Engineer and DBA Support with 24 years shaping cloud infrastructure and database engineering outcomes. Known for database migrations, performance optimization, and cross-cultural team leadership. Committed to reliable infrastructure operations and continuous technical improvement across multiple cloud platforms.
Career highlights
Multi-Platform Database Migration: Performed database migrations including PostgreSQL on-premises to cloud systems and cross-cloud SQL Server operations across enterprise client environments.
Cloud Infrastructure Management: Managed cloud infrastructure across multiple platforms including AWS, Google Cloud Platform, and Huawei Cloud for enterprise workloads and database services.
Database Monitoring and Backup: Monitored enterprise workloads and database services while maintaining backup-restore operations and achieving high backup success rates across cloud environments.
Database Professional Certification: Earned professional and associate level data engineering certifications from Databricks along with cloud solutions and architecture credentials.
Key skills
Professional experience
Directs the L1 monitoring team of four engineers for an enterprise client, overseeing infrastructure across Oracle Cloud Infrastructure, Google Cloud Platform, and Huawei Cloud. Manages platform stability for over one hundred workloads, thirty Kubernetes clusters, ten database services, and sixty backup objects.
- Achieved a ninety-nine percent backup success rate with zero shift handover gaps.
- Migrated four on-premises PostgreSQL instances to the cloud and executed one cross-cloud SQL Server migration.
- Installed and configured Databricks data pipelines to support analytics use cases.
- Automated routine operational tasks using agentic AI, reducing task duration from one week to one hour.
- Optimized query performance and managed backup and restore operations across twenty client databases.
Defined database strategy, steering multi-platform migrations and infrastructure optimization initiatives for clients. Directed engineering projects focused on cost reduction and operational performance.
- Consolidated multiple EKS clusters into one and implemented Karpenter, achieving a 50 percent compute cost savings.
- Partnered with developers to resolve application bottlenecks, reducing database infrastructure usage by 90 percent.
- Automated data change and cleanup tasks, reducing processing time from one week to one hour.
Architected database operations for national digital infrastructure platforms. Maintained SingleStore databases supporting large-scale identity verification and travel compliance workloads.
- Built custom query reports using Python.
- Set up Grafana monitoring dashboards.
Shaped database strategy and operations, steering cloud infrastructure across AWS, Atlas MongoDB, GCP, and Confluent Kafka for 10,000+ active users. Directed platform migration initiatives and database technology research while maintaining system reliability.
- Built a data lake from scratch and migrated the reporting pipeline to Elasticsearch, reducing report generation time from 3 days to 10 minutes.
- Optimized SQL queries and data retention strategies, resulting in an 80% performance improvement.
- Optimized data retention using AWS DMS to keep transaction data under three months, shrinking data from five hundred million rows to two million rows across all databases.
- Implemented Grafana and Percona Monitoring and Management for over one hundred production databases.
- Administered SAN storage infrastructure across arrays and switches, eliminating reliance on external vendors.
- Delivered a database project from initialization to operational status.
- Designed and built a complete 42U rack mini Data Center for Kementerian ESDM containing server, storage, and network infrastructure.
- Managed a government project for the LPG 3kg closed distribution system pilot in Malang as Project Manager and IT Infrastructure lead.
- Performed Oracle database backup, restore, tuning, and maintenance across regional installations.
- Provided direct server, network, and application support for distributed operations.
- Maintained lab infrastructure and server environments across multiple regional offices.
- Provided direct technical support and executed user training programs.
- Executed solo installation, server setup, application deployment, and maintenance across 5 units.
- Performed Oracle database backup, restore, tuning, and maintenance.