Profile Details

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USD 60 /hr

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Hire Dr. Sajjad D.

Iran

USD 60 /hr

Cybersecurity Specialist with 20+ Years of Experience | Ethical Hacking | SOC | Cloud & Network Security

Profile Summary

🔥 Optimized Profile Summary for Your Freelance Cybersecurity Profile ✅ Freelance Cybersecurity Expert | Penetration Tester | Network & Cloud Security Specialist I am a highly experienced cybersecurity professional with 20+ years of expertise in network security, penetration testing, SOC operations, risk management, and cloud security. I help businesses identify vulnerabilities, secure their digital assets, and prevent cyber threats before they become serious risks. 🔹 Key Expertise: ✔ Penetration Testing & Ethical Hacking – Discovering and mitigating security flaws. ✔ Risk Management & Compliance – Ensuring security best practices (ISO 27001, NIST). ✔ SOC & Threat Intelligence – Investigating and responding to cyber threats. ✔ Cloud Security (AWS, Azure) – Securing cloud infrastructures and hybrid environments. ✔ Incident Response & Security Audits – Helping companies stay resilient against attacks. 🔹 Certifications & Education: 🎓 Certified Ethical Hacker (CEH), Security+, Microsoft Azure Security (CISSP in progress) 🎓 PhD in Computer Engineering – Specializing in Blockchain & Cybersecurity 🔹 Work & Research Experience: ✔ Worked with banks, financial institutions, and enterprises to design and implement cybersecurity solutions. ✔ Published research on fraud detection, blockchain security, and AI-driven threat intelligence. ✔ Teaching CCNA, Network+, and Security+ at a leading technical institution. 💡 Looking for cybersecurity consulting, penetration testing, or security auditing? Let’s connect and discuss how I can help secure your business!

Subject Matter Expertise

• ☆ Computer Engineering
• ☆ Information Technology
• ☆ Data Analysis
• ☆ Social Network Analysis
• ☆ Computer Simulation/Computational Modeling
• ☆ Algorithm Design
• ☆ Data Processing
• ☆ Data Mining
• ☆ Neural Networks
• ☆ Data Security
• ☆ Statistics
• ☆ Information Security
• ☆ Cybersecurity
• ☆ Risk Assessment & Actuarial Science
• ☆ Python
• ☆ Risk Management

Services

• Writing
• Research
• Data & AI

Writing Technical Writing

Research User Research, Feasibility Study, Scientific and Technical Research

Data & AI Algorithm Design-ML

Work Experience

Course Instructor

Tehran Technology Complex

March 2024 - Present

Faculty member (Lecturer)

Islamic Azad University, Tehran South

January 2017 - Present

External Expert (Cybersecurity and Data Privacy)

Bank Keshavarzi

May 2006 - Present

Education

PhD Computer Science

Islamic Azad University, Tehran Science & Research Branch - Iran

January 2017 - Present

Masters of Science

Islamic Azad University, Tehran Science & Research Branch - Iran

September 2011 - August 2014

Certifications

• Secure Access with Azure Active Directory

  Microsoft Corporation

  https://www.coursera.org/account/accomplishments/verify/NWEM0XJ1DYX1

  January 2025 - Present

• Security Operation Center (SOC)

  Cisco Systems

  https://www.coursera.org/account/accomplishments/verify/0T5T505Z6VJK

  January 2025 - Present

• Security Principles

  ISC2

  https://www.coursera.org/account/accomplishments/verify/EKMD25WGDL39

  January 2025 - Present

• Ethical Hacking Fundamentals

  LearnKartS

  https://www.coursera.org/account/accomplishments/verify/6TB2IXPZN6PY

  January 2025 - Present

• In the Trenches: Security Operations Center

  EC-Council

  https://www.coursera.org/account/accomplishments/verify/PRNV6GUZK4FQ

  December 2024 - Present

• Introduction to Cybersecurity Careers

  IBM

  https://www.coursera.org/account/accomplishments/verify/GECTKRTKQGZM

  December 2024 - Present