Taha Mohamed
Riyadh
Summary
Experienced Linux professional with focus on system administration and security. Capable of optimising server performance and ensuring system reliability through automation and proactive monitoring. Skilled in troubleshooting complex issues and implementing robust solutions to enhance operational efficiency.
Overview
13
13
years of professional experience
1
1
Certification
Work history
Senior System Administrator
Ministry of Energy
Riyadh, Saudi Arabia
2025.01 - Current
- Managed virtualization environments using Microsoft Hyper-V and VMware vCenter.
- Provisioned new virtual machines, managed snapshots, upgraded VM resources (CPU, RAM, Storage).
- Administered Red Hat Satellite including:Registering and managing hosts
* Running remote jobs
* Managing repositories and content views
* Performing Satellite upgrades and lifecycle management - Administered Linux based OS environments efficiently; ensuring optimal performance.
- Performed OS patching, upgrades, security hardening, and regular system maintenance activities.
- Remediated and closed security vulnerabilities in coordination with security and application teams.
- Installed, configured, and maintained security agents and endpoint protection solutions across enterprise servers.
- Troubleshot OS, and server-related issues and provided Root Cause Analysis (RCA).
Senior System Administrator
Giza Systems By STC
Riyadh, Cairo
2023.01 - 2024.12
- Managing Linux and Windows servers to ensure optimal performance, and reliability.
- Handling ad-hoc tasks to address complex and urgent issues.
- Mitigating OS vulnerabilities by identifying and applying patches and updates.
- Collaborating with application and operations teams to resolve specific vulnerabilities.
- Regularly implementing system updates to enhance security and performance.
- Troubleshooting and performing Root Cause Analysis (RCA) for OS-related issues.
- Installing and upgrading security applications.
- Modifying system configurations as per project requirements, and improve efficiency.
- Developing automation scripts to streamline system security and efficiency.
- Managing OpenStack instances through CLI and GUI, ensuring efficient operation and resource allocation.
- Modifying VM resources (such as CPU, RAM, and storage) based on project requirements, and maintaining backups.
- Monitoring the performance of virtual machines to identify potential improvements, and ensure optimal operation.
- Creating new virtual machines (VMs) to support new projects and operational demands.
Senior Linux System Administrator
ETIT-EG
Cairo, Egypt
2017.01 - 2023.01
- Played a key role in supporting the National Visa System (visa2egypt.gov.eg) and Border Control System.
- Managed and optimised Linux systems to enhance security.
- Managed virtual machines (VMs) using VMware and KVM to ensure optimal performance and resource allocation.
- Modified VM resources (such as CPU, RAM, and storage) based on project needs to ensure efficient infrastructure.
- Provided regular performance reports to identify potential improvements and ensure optimal operation.
- Monitored the virtual infrastructure to proactively detect potential issues and resolve them.
Freelance Full-Stack Developer
Self-Employed, Remote
- Developed and maintained web applications using Node.js and React Native.
- Designed user-friendly and responsive interfaces.
- Developed functional databases, applications, and websites on the backend.
- Built APIs to support mobile and web applications.
- Collaborated with clients to deliver solutions based on their requirements.
- Reviewed code, debugged problems, and performed testing.
Linux System Administrator
Master Linux
Cairo, Egypt
2017.11 - 2018.11
- Provided outsourced system administration services for a project at ETIT Co.
Linux System Administrator
Venatra Enterprise Solutions
Cairo, Egypt
2015.02 - 2017.11
- Configured and managed various Linux distributions (such as Ubuntu, Debian, and Fedora).
- Installed and configured monitoring tools to ensure optimal server performance.
- Administered web servers, databases, and mail servers (Apache, MySQL, Postfix).
- Led the Hosting department (June 2012 - December 2014).
Linux System Administrator
Vision Advanced Systems
Cairo, Egypt
2013.03 - 2014.06
- Installed, configured, and maintained Linux servers.
- Managed web servers (Nginx, Apache) and database services (MySQL, MongoDB).
Education
Bachelor's Degree - Information Systems
Skills
- Linux and Windows Server Management
- Expert Troubleshooting
- Security management
- Performance Tuning
- Bash Scripting
- Applications Development
- Team Collaboration
- Nagios monitoring software
- RESTful APIs development
- Nodejs Experience
- ReactJS Experience
- MongodB Experience
- Mobile App Development
- Adaptability and Flexibility
- Server management
Certification
- Red Hat Certified System Administrator
- CEH V7
- CompTIA A+
- CompTIA Network+
- CompTIA Linux+
LANGUAGES
English - Upper intermediate
Arabic - Native
Timeline
Senior System Administrator
Ministry of Energy
2025.01 - Current
Senior System Administrator
Giza Systems By STC
2023.01 - 2024.12
Linux System Administrator
Master Linux
2017.11 - 2018.11
Senior Linux System Administrator
ETIT-EG
2017.01 - 2023.01
Linux System Administrator
Venatra Enterprise Solutions
2015.02 - 2017.11
Linux System Administrator
Vision Advanced Systems
2013.03 - 2014.06
Freelance Full-Stack Developer
Self-Employed, Remote