Saadman Karim
Database & System Specialist at DG Infotech LTD (Dipon Group) | Oracle DBA | Linux Administrator | AWS
- Role
- Database & System Specialist at DG Infotech Ltd.
- Location
- Buffalo, NY, US
- LinkedIn followers
- 500 followers
About Saadman Karim
Hello, I am Saadman Karim from Dhaka, Bangladesh. Computer Science & Engineering…
Experience
Database & System Specialist
Jul 2024 — Present
Responsibilities/Activities:• Linux System Administration: Install and configure Ubuntu and Rocky Linux based on development requirements, ensuring optimal system performance and security.• Database Administration: Manage MySQL, PostgreSQL, and Oracle databases, including user access control, storage optimization, backup strategies, and tablespace maintenance.• Security & Compliance: Configure and enforce Linux OS firewall rules and SELinux policies to secure application and database environments.• Application Deployment & CI/CD: Deploy and maintain Java-based (Spring Boot), Python-based (Django/Flask), and PHP-based applications with proper user permissions and security best practices in Linux environments.• Virtualization & Cloud Infrastructure: Maintain and manage enterprise-grade servers in VMware ESXi 8 environments, ensuring high availability and performance.• Containerization & Docker: Install and configure Docker to deploy Java-based applications in containers, implementing proper bridge networking for seamless operational integration.• CI/CD Automation: Containerize PHP-based applications using Docker and build automated deployment pipelines with GitHub Actions on Linux servers for end-to-end CI/CD workflows.• Automation & Scripting: Automate system administration and deployment tasks using Bash, Python, and Ansible to enhance efficiency and reduce manual intervention.• Performance Tuning & Troubleshooting: Monitor, optimize, and troubleshoot database and server performance issues to ensure high availability and reliability.
Education
Government Laboratory High School
Secondary School Certificate (S.S.C.)
1998 — 2008
Dhaka City College
Higher Secondary School Certificate (H.S.C.)
2008 — 2010
Ahsanullah University of Science & Technology
Bachelor's Degree of Science (B.Sc.)
2011 — 2015
Skills
- C#
- Java
- Postgresql
- Css
- Computer Networking
- Databases
- Html
- Pl/Sql
- Centos
- C
- System Administration
- Mysql
- Sql
- Linux
- Red Hat Linux
- Php
- Database Administration
- Oracle Database
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