Linux Engineer &
Cybersecurity Enthusiast based in Dubai, UAE.
Results-driven Linux Engineer with nearly 2 years of hands-on experience managing enterprise Oracle Linux and Ubuntu environments across multi-client infrastructures in the UAE. Actively transitioning towards a cybersecurity-focused engineering role.
Capabilities
My foundation is built on solid Linux engineering, and I am actively expanding my expertise in cybersecurity and cloud infrastructure.
{ Linux Infrastructure }
Enterprise-grade OS administration and hardening.
[ Security & SOC/NOC ]
Actively upskilling in threat detection, incident response, and SOC workflows.
< Cloud & Virtualisation />
Building foundational knowledge in cloud platforms and scalable infrastructure.
{ Development }
Full-stack tooling to build security and monitoring systems.
Experience
Gerab System Solutions LLC
Leading digital solutions provider
As a Linux Engineer, I administer enterprise Oracle Linux and Ubuntu server environments, ensuring high availability and security compliance. I develop Bash and Ansible automation scripts to streamline operations, manage virtualization platforms like OLVM and ILOM, and proactively handle SOC/NOC incidents to maintain consistent SLA adherence.
Gerab System Solutions LLC is a leading digital solutions provider in the UAE, specializing in innovative IT solutions and business transformation services. The company helps organizations solve complex challenges through cost-effective technological strategies, focusing on customization to meet unique business needs.
Technical Implementations
ORION IDS
MSc CapstoneOperational Reconnaissance & Intelligent Observation Network
- ›Full-stack real-time NIDS with Wireshark-grade live packet capture using Scapy in promiscuous mode, covering TCP, UDP, ICMP, ARP, DNS, HTTP, HTTPS, and IPv6.
- ›Stateful rule-based threat detection engine identifying 9 attack types — ARP Spoofing, SYN Flood, Port Scanning, ICMP Flood, DNS Tunneling, Credential Leakage, Brute Force, Low TTL Anomaly, and Sensitive Port Access — with zero false-positive design.
- ›5-tier service resolution pipeline (TLS SNI → DNS → Reverse DNS → IP Prefix → Port) identifying 80+ services without decrypting HTTPS traffic.
- ›FastAPI backend with WebSocket server streaming live packets to a React dashboard at sub-100ms latency, with real-time analytics, alert management, and 14-category traffic classification.
- ›SQLite persistence for historical forensic queries; simulation mode for rootless development environments.
Oracle Linux Health Check
Open SourceA comprehensive health check script for Oracle Linux systems.
- ›Developed a robust Bash script to quickly assess system health, checking CPU, memory, disk usage, and running services.
- ›Automated the retrieval of critical system information including hostname, IP, OS release, and uptime to streamline administrative tasks.
- ›Included advanced checks for Chrony service status, top processes, multipath, and hardware information (dmidecode).
- ›Designed for ease of use with zero dependencies other than standard Linux utilities.
OLVM Resource Management
DocumentationStandard operating procedure for managing VM resources in Oracle Linux Virtualization Manager.
- ›Created a comprehensive guide detailing the standard procedure to safely increase CPU resources for VMs in OLVM.
- ›Established pre-shutdown checks to ensure application and database integrity, emphasizing graceful shutdown procedures.
- ›Documented step-by-step instructions for modifying VM configurations within the OLVM web interface.
- ›Included post-change verification steps to confirm resource allocation and system stability.