SYSTEM ADMINISTRATION · AMMAN, JORDAN

Osama Jaradat

System Administrator and DevOps professional building reliable Linux infrastructure and practical automation.

I work across Linux systems, reverse proxies, mail infrastructure, observability, security hardening, and automation — from the terminal to the deployment pipeline.

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01 / About
Osama Jaradat

Building Security
Layer by Layer

System Administrator and DevOps professional with hands-on experience managing Linux infrastructure, reverse proxies, mail systems, and centralized observability. I work with OpenResty/Nginx, Postfix, SPF, DKIM, DMARC, Loki, Grafana, and Alloy.

Focused on reliable operations and automation through Bash and Python, with additional experience in threat detection, vulnerability assessment, network support, and secure application development.

✉osama.jaradat@proton.me ✆+962 777 112 843 ◎Jordan, Amman

Bachelor Degree of Cyber Security

Tafila Technical University · Tafila, Jordan

Feb 2022 - Nov 2025

Graduation Project: SCC_APP - Secure Chat & Encryption Platform

End-to-end encryption · Session validation · Four encryption techniques · Firebase authentication

Languages: Arabic (Native), English (Expert, C1)

02 / Skills

Technical Arsenal

🛡️ Red Team & Pentesting

Kali LinuxMetasploitBurp Suite NmapSQLMapNessus OWASP Top 10MITRE ATT&CKPrivilege Escalation Post-ExploitationImpacketBloodHound Pentest Reporting

🔵 SOC & Blue Team

Incident MonitoringLog AnalysisThreat Detection LokiGrafanaAlloy TCP/IPDNSDHCP Wireless SecurityAccess ControlInformation Privacy

💻 Programming Languages

PythonBashJavaScriptC#Dart

🌐 Web & Mobile Dev

FlutterFirebaseJavaScript

⚙️ Infrastructure & Automation

Linux AdministrationSystem MonitoringOpenResty/Nginx PostfixSPF/DKIM/DMARCBash ScriptingPython Automation GitGitHubCI/CD

📊 Data & Analytics

PythonLog AnalysisExcelTableauEncryption Algorithms

🤝 Soft Skills

Analytical ThinkingProblem SolvingCommunication Technical DocumentationTeam CollaborationAdaptability
03 / Experience

Where I've Worked

System Administrator — Mnasati Technologies

Amman, Jordan (On-Site)
Sep 2026 – Present
  • Administered 10+ Linux server environments, managing OpenResty/Nginx reverse proxies and Postfix email relays.
  • Enforced SPF, DKIM, and DMARC security protocols across primary domain stacks, maintaining 99%+ deliverability.
  • Automated diagnostic and server management workflows using custom Bash scripts, cutting manual tasks by 30%.

Summer Camp Instructor - Python & Unity — Consultation and Training Center - PSUT

Amman, Jordan (On-Site)
Jun 2026 – Aug 2026
  • Designed and delivered two parallel coding tracks for students aged 12–18 at PSUT's Summer Coding Club.
  • Built the curriculum from scratch, covering Python fundamentals through OOP and Unity game development with C#.
  • Managed mixed-ability groups with differentiated instruction across 20+ sessions per track.

Penetration Tester Intern — CrossRealms International

Remote
Jul 2025 – Sep 2025
  • Performed reconnaissance, exploitation, and vulnerability remediation on intentionally vulnerable systems.
  • Conducted offensive security labs using 30+ Kali Linux tools in VM environments (Kali Linux, Metasploitable 2/3).
  • Implemented automation using Hexstrike MCP to speed up penetration testing and security analysis workflows.

IT & Network Intern — Jordan Data Systems

Jordan, Amman
Jul 2024 – Sep 2024
  • Provided technical support for 50+ client endpoints, resolving OS, network, and hardware incidents.
  • Assisted in configuring and maintaining Aruba networking infrastructure, improving network stability and uptime.
  • Optimized wireless access points to improve network coverage and connectivity across a hotel environment.
04 / Certifications

Credentials & Badges

AWS Certified AI Practitioner badge
AI

AWS Certified AI Practitioner

Amazon Web Services certification covering foundational artificial intelligence and machine learning concepts (August 2026).

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Splunk Cybersecurity Defense Architect badge
Cybersecurity

Cybersecurity Defense Architect

Splunk certification focused on designing defensive security capabilities and threat detection workflows (May 2026).

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Google Cybersecurity Certificate badge
Cybersecurity

Google Cybersecurity

Google professional certificate covering security operations, Linux, Python, SIEM analysis, and incident response (March 2026).

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Oracle AI Associate certificate badge
AI & Cloud

Oracle AI Associate

Oracle certification demonstrating foundational knowledge of artificial intelligence and OCI services (October 2025).

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Correlation One logo
Data Analytics

Advanced Data Analytics

Correlation One Tech for Jobs certification covering Excel, Tableau, and Python for data-driven decision making (June 2025).

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GitHub Foundations badge
Developer Tools

GitHub Foundations

GitHub credential covering repositories, collaboration workflows, project management, and the foundations of using GitHub effectively.

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05 / Projects

What I've Built

SCC App Screenshot 1 SCC App Screenshot 2 SCC App Screenshot 3 SCC App Screenshot 4 SCC App Screenshot 5 SCC App Screenshot 6 SCC App Screenshot 7 SCC App Screenshot 8 SCC App Screenshot 9
🎓 Graduation Project Flutter Cryptography Firebase

SCC App — Secure Communication & Cryptography

A cross-platform Flutter application for secure communication and modern cryptography. Built as a graduation project in Cybersecurity at Tafila Technical University. All cryptographic processing runs locally — no internet dependency.

🔐 AES & RSA text encryption / decryption
🖼️ Image steganography — hide & extract messages
💬 Peer-to-peer encrypted chat over LAN / Bluetooth
⏳ Self-destructing messages with expiry timers
🎨 AMOLED, Blue, Sepia, Gold & more themes
DartFlutterAES / RSA PointyCastleFirebaseProvider
View on GitHub
Money Manager App
Python Desktop App

Money Manager

A desktop application that helps users manage their finances by allocating monthly salary across expenses, savings, investments, and discretionary spending — promoting better financial habits through an intuitive Tkinter interface.

PythonTkinter
View on GitHub
06 / Field Notes

Field
Notes

A growing library of practical security notes: reconnaissance, packet analysis, exploitation, and the lessons learned while working through each lab.

06writeups
03focus areas
∞things to learn
View All Posts ↗
01 Nmap Cheatsheet — Recon Like a ProRECON · 8 MIN READ ↗ 02 Wireshark for Blue TeamersNETWORK · 10 MIN READ ↗ 03 Linux Privilege EscalationLINUX · 12 MIN READ ↗
osama@kali:~