Tamer Aljabali

With over 15 years of extensive expertise, I have mastered a broad spectrum of skills, excelling in advanced network security, comprehensive system administration, and cutting-edge technology implementation. My experience spans multiple industries, delivering reliable, innovative, and efficient IT solutions.

2025 All Rights Reserved.

Hi, I’m Tamer — Systems & Network Administrator, Cybersecurity Specialist, and AI Solutions Engineer

Network Security

System Administration & AI Solutions

Experienced since 2009 in cybersecurity, network architecture, and server administration, complemented by software and database skills to design, implement, and optimize complex IT environments. Built AI (LLM) integrations, chatbots, knowledge-aware RAG systems, and automation with n8n.

1.5k+ reviews

About

Cybersecurity

Systems & Networks

Tamer M. T. Aljabali

Seasoned System Administrator with proven performance in ISP environments, network operations, security implementation, and server management. I deliver reliable, high-availability services and performance improvements, adopting AI and automation where they add measurable value.

Cypersecurity

  • Proficient in threat analysis, vulnerability assessment, and implementing security protocols.
  • Experienced with firewalls, IDS/IPS systems, and endpoint protection solutions.
  • Strong understanding of data encryption, penetration testing, and incident response.

Network Administration

  • Skilled in configuring, managing, and troubleshooting routers, switches, and wireless access points.
  • Experienced in LAN/WAN design, implementation, and optimization.
  • Familiar with network monitoring tools and ensuring network security compliance.

Server Deployment

  • Expertise in setting up, configuring, and maintaining Linux and Windows servers.
  • Experience with automated deployments, backups, and patch management.
  • Proficient in configuring DNS, DHCP, Active Directory, and file sharing systems.

Web and Database Management

  • Proficient in deploying and maintaining web servers (Apache, NGINX) and application servers.
  • Skilled in database setup, optimization, and management (MySQL, PostgreSQL).
  • Knowledgeable in basic web security and performance tuning.

Virtualization

  • Proficient in VMware ESXi deployment, configuration, and management.
  • Experienced with virtual machine provisioning, snapshots, and resource allocation.
  • Familiar with hypervisor performance optimization and disaster recovery planning.

Hardware

  • Skilled in diagnosing and repairing hardware issues for servers, workstations, and networking devices.
  • Experienced in assembling, upgrading, and maintaining computer hardware.
  • Strong understanding of storage systems, RAID configurations, and peripheral devices.

AI & Automation

  • LLM chatbots and assistants (OpenAI and local models).
  • RAG pipelines over internal knowledge bases.
  • Workflow automation using n8n and APIs.
  • MLOps basics: model serving, monitoring, and versioning.

DevOps & CI/CD

  • CI/CD pipelines (GitHub Actions, GitLab CI).
  • Infrastructure as Code (Terraform, Ansible).
  • Containerized deployments (Docker, Kubernetes).
  • Monitoring & logging (Prometheus, Grafana, ELK).

Work Experience

2009-2023

System Administrator

Digital Communication ISP, PAL

2012-2023

Servers Manager

Mezian Group, TUR

2015-2016

Servers Manager

Abo Nawaf Group, KSA

2016-2017

Web Developer

WebSoft, KSA

2023-Present

AI Solutions Engineer (Freelance)

LLM chatbots, RAG search, and automation (n8n) for SMEs

Stay With Me

Services

Secure Infrastructure

AI-Ready Operations

Systems & Networks

Design, deployment, and hardening of Linux/Windows servers and networks.

Cybersecurity

Threat assessment, segmentation, and defense-in-depth implementation.

AI Integrations

LLM chatbots, RAG pipelines, and workflow automation with n8n.

Skills

Core Technologies

Systems, Security & AI

Python

Python, Bash

AI/ML

LLM, LangChain, RAG

MLOps

MLOps, Model Serving

Virtualization

VMware ESXi, Proxmox

Containers

Docker, Kubernetes

Automation

n8n, API Integration

Contact Me

Have Any Ideas In

Mind, Let’s Talk

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