Hadi Amirdehi
Calgary,AB
Summary
Tech-savvy professional with advanced training and experience in customer service. Delivers above-average results to delight customers and drive internal enhancements. Always seeking new and improved strategies to achieve objectives.
Overview
11
11
years of professional experience
Work History
Database Administrator
Tecnotree Corporation
06.2022 - 06.2024
- Database Management: Administered Oracle and MongoDB databases, managing over 500 database instances and ensuring optimal performance and availability
- Backup and Recovery: Implemented and maintained backup and recovery strategies using RMAN for Oracle and native backup tools for MongoDB, ensuring data integrity and availability
- Performance Tuning: Conducted regular performance tuning and optimization, including indexing, query optimization, and storage management, resulting in a 25% improvement in database performance
- Security Management: Managed database security by implementing access controls, encryption, and auditing, ensuring compliance with industry standards and regulations
- Problem Diagnosis: Collaborated with development and infrastructure teams to identify and address root causes of recurring database issues, using problem-solving methodologies to reduce incident recurrence by 20%.
Data Centre Operation Engineer
Arya Hamrah Samaneh
11.2018 - 05.2022
- Infrastructure Monitoring: Proactively monitored data center health using Nagios, Zabbix, and SolarWinds, tracking key metrics like server uptime, network latency, and storage utilization
- Ensured 99.99% uptime through 24/7 rotational shifts
- OS and DB Administration: Performed routine maintenance on Linux (RHEL/CentOS) and Windows Server operating systems and Oracle Databases
- Ticket Management: Raised and tracked tickets on ITSM tools with the pertinent support team until resolution, ensuring ITIL-based SLA adherence
- Data Backup and Recovery: Managed daily backups using Veritas NetBackup, ensuring successful tape ejects, inserts, and data restores for disaster recovery scenarios
- Reporting and Documentation: Prepared weekly reports for management, highlighting infrastructure performance, incident trends, and capacity utilization.
Database Administrator
Tolue Company
10.2013 - 10.2018
- Troubleshooting: Resolved database connectivity issues, optimized SQL queries, and addressed performance bottlenecks to ensure seamless Database Operations and Database Performance Tuning
- Database Support: Diagnosed and resolved Tier 1 database issues, escalating complex problems to Tier 2 support as needed, while ensuring efficient Database Management
- System Administration: Installed and configured Oracle Database software, including Oracle Grid Infrastructure, and managed Oracle RAC environments
- Additionally, performed SQL Installation and Patching for SQL Server
- Testing & Validation: Executed database test cases and analyzed results to validate Database Performance and identify potential issues, contributing to Health and Performance Monitoring
- Data Management: Performed daily backups using Oracle Recovery Manager (RMAN) to safeguard critical data, ensuring business continuity through effective Backup and Recovery practices.
Education
Skills
- Oracle Database
- PL/SQL
- Microsoft SQL Server
- MongoDB Administration
- AWS (Amazon Web Services) RDS
- MySQL
- Azure
- Bash Scripting
- Linux Administration
- Chon Jobs
- Problem Solving
Timeline
Database Administrator
Tecnotree Corporation
06.2022 - 06.2024
Data Centre Operation Engineer
Arya Hamrah Samaneh
11.2018 - 05.2022
Database Administrator
Tolue Company
10.2013 - 10.2018
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