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@haouser
Experienced Database Administrator and Developer specializing in cloud environments.
I am a seasoned Database Administrator and Developer with over 6 years of experience in Oracle Database technologies, including RMAN backup, RAC, ASM, and Data Guard. My expertise extends to PostgreSQL and MySQL, where I have successfully implemented complex database solutions across various industries. I thrive in both on-premises and cloud environments, particularly with AWS services.
Throughout my career, I have led significant database migrations and upgrades, utilizing tools like AWS Schema Conversion Tool and Ansible for automation. My strong analytical skills enable me to optimize database performance and ensure high availability solutions, such as AlwaysOn Availability Groups. I am passionate about leveraging my technical skills to drive efficiency and innovation in database management.
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Work history, roles, and key accomplishments
National Conference of Bar Examiners
Jun 2023 - Nov 2024 (1 year 5 months)
Analyzed, designed, and implemented RMAN-based backup and recovery strategies for Oracle databases, ensuring business continuity. Led AWS RDS MySQL upgrade migrations and leveraged Git and Ansible for automation of DBA tasks and DevOps practices. Managed and maintained MS SQL Server databases, implementing high availability solutions and migrating Oracle and PostgreSQL databases to AWS.
E2Open, Inc.
Oct 2021 - Feb 2023 (1 year 4 months)
Provided on-call support for production Oracle RAC/ASM environments and implemented DR solutions using GoldenGate and Data Guard. Migrated databases to AWS-managed services like RDS and Aurora, ensuring minimal downtime and high availability. Optimized query performance and administered Amazon Redshift clusters, integrating with S3 and Glue for analytics.
DaVita
Dec 2020 - Sep 2021 (9 months)
Supported Oracle RAC/ASM environments, performing migrations and upgrades, and configuring Data Guard for disaster recovery. Utilized GoldenGate for heterogeneous data replication and integrated Snowflake for cloud-based ML/AI projects. Administered MongoDB and Redshift, automating DBA tasks with Python and Shell scripts.
Paypal
Aug 2020 - Dec 2020 (4 months)
Supported OLTP and data warehouse databases globally, setting up RMAN backups, RAC, Data Guard, and TDE encryption. Conducted zero-downtime rolling upgrades using GoldenGate and integrated Oracle Audit Vault for security. Automated CI/CD pipelines with GitHub and Jenkins, deploying PostgreSQL in Docker with HA.
Bilingual Kids
Nov 2018 - Feb 2020 (1 year 3 months)
Explored business opportunities with local organizations and managed after-school enrichment programs and holiday camps. Developed engaging projects for a full immersion Chinese curriculum. Contributed to the growth and educational quality of the Chinese section.
Helm 360
Mar 2017 - Nov 2018 (1 year 8 months)
Performed data mapping utilizing star schema and designed ETL architecture using SSIS for data migration. Analyzed and optimized SSRS reports, providing production support to Tableau users. Designed and managed indexes to improve query performance and worked with Informatica for ETL processes.
Bank of America
Mar 2016 - Dec 2016 (9 months)
Coordinated with business users to transform requirements into technical specifications and conducted test script reviews. Implemented indexes and partitions for performance tuning, optimizing existing queries and stored procedures. Worked with SSIS for ETL processes and utilized TFS for project version control and change management.
CCS Global Tech
Oct 2015 - Feb 2016 (4 months)
Communicated with business stakeholders to translate requirements into technical specifications and created comprehensive design documents. Performed data cleaning and optimized existing queries and stored procedures. Designed ETL packages using SSIS and developed on-demand and scheduled reports with SSRS.
Degrees, certifications, and relevant coursework
Bachelor of Science, Computer Science
Studied the fundamentals of computer science including programming languages, data structures, and algorithms.
Software and tools used professionally
AWS CLI
Amazon Redshift
AWS Glue
Data Studio
Amazon CloudWatch
GitHub
Kubernetes
Docker Compose
Jenkins
Pandas
MySQL WorkBench
DB
Percona XtraBackup
MySQL
PostgreSQL
MongoDB
Percona
Gmail
Terraform
Jira
JavaScript
Perl
PowerShell
HAProxy
Prometheus
Amazon DynamoDB
SQLAlchemy
Linux
Windows
Windows Server
Azure Active Directory
PayPal
LogicMonitor
Ansible
Serverless
Amazon RDS
Amazon Aurora
Azure SQL Database
Airflow
SQL
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