Ahmed Al-Otaibi
Linux System Engineer
Riyadh
Summary
Skilled Linux System Engineer +5 years experience adept in Redhat Technologies,
leveraging open-source tool for optimizing system performance, implementing robust security measures and enhancing efficiency through innovative solutions to ensure seamless operations.
Overview
6
6
years of professional experience
2
2
Certifications
2
2
Languages
Work History
System Engineer
Communications, Space & Technology Commission -CST
11.2022 - Current
- Managed multiple projects simultaneously, meeting tight deadlines while maintaining high-quality deliverables.
- built and integrated open-source AI models with internal RAG systems and enable ChatGPT-like functionality through a secure web interface for organizational use
- Developed and maintained disaster recovery plans and procedures, ensuring business continuity in case of system failures.
- Resolved complex technical issues through effective problem-solving techniques and root cause analysis with a knowledge of all infrastructure layers.
- Created comprehensive documentation for system configurations, procedures, and best practices to facilitate knowledge sharing among team members.
- involved in Revamp project from old hardware to complete new infrastructure , including redesign and migration of hosts and services, network from public to private IP addresses
- Implemented Redhat Identity Management (IDM) for centralized authentication and PAM solution, ensuring robust access control and security compliance for all servers.
- integrate in house built applications with single sign-in DEX with Redhat identity management to improve work efficiency and security
- Established an internal Certificate Authority (CA) and secured data in transit using TLS for web, database, mail servers, and critical applications.
- Implementing Critical Systems Cybersecurity Controls CSCC to the infrastructure components to met with highest security stanadrs.
- Implemented automated task management and patching using Ansible, reducing manual intervention and improving system stability.
- Deploying, troubleshooting, and resolving internal application issues in PHP and Python.
SYSTEM ADMIN
OIVAN Group
09.2020 - 10.2022
- Deployed an open-source monitoring system for production servers, enhancing system visibility and enabling proactive issue resolution.
- Created live dashboards for production services, providing actionable insights to stakeholders and product owners.
- Implemented mail security measures (DKIM, DMARC, SPF) to enhance email deliverability and protect against phishing and spoofing attacks.
- Established certificate-based authentication for secure access to internal web applications, ensuring stringent access controls and security.
- Orchestrated setup of High Availability (HA) MariaDB Galera cluster, improving database reliability and performance.
- Offering guideline and conducting reviews of DNS configurations for newly introduced ccTLDs under the (.sa) domain.
Elite Program
Communications, Space & Technology Commission -CST
03.2019 - 03.2020
- Developed a secure (full stack) web application with PHP, JS and CSS for monitoring DNSSEC keys for Top-Level Domains (TLDs), ensuring robust security practices.
- Integrated WHOIS service with Yesser e-government program using SOAP protocol, enhancing accessibility and usability of government services.
Education
Bachelor of Computer Science - INFORMATION SYSTEMS
KING SAUD UNIVERSITY
Riyadh, Saudi Arabia 04.2001 -
Skills
Virtualization - Vcenter
Interdepartmental contact
Technical Analysis
Data visualization
System security hardening
Bash and Python scripting
Veeam Backup
DNS and DNSSEC
Apache and Nginx Web Servers
SQL & MariaDB
Postfix Mail Server
Automation
Infrastructure development
Root Cause Analysis
Disaster Recovery Planning
Storage management
Certification
Red Hat Certified System Administrator (RHCSA)
Timeline
Red Hat Certified Engineer (RHCE)
03-2025
Red Hat Certified System Administrator (RHCSA)
01-2024
System Engineer
Communications, Space & Technology Commission -CST
11.2022 - Current
SYSTEM ADMIN
OIVAN Group
09.2020 - 10.2022
Elite Program
Communications, Space & Technology Commission -CST
03.2019 - 03.2020
Bachelor of Computer Science - INFORMATION SYSTEMS
KING SAUD UNIVERSITY
04.2001 -
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