Mahmoud.

Penetration Tester | System Admin

Experienced Penetration Tester and System Administrator specializing in web, mobile, and network security assessments, along with enterprise infrastructure management. Proven track record of identifying critical vulnerabilities for leading organizations including Pinterest, Verisign, and Dell.

Resume

About Me

Experienced Penetration Tester and System Administrator specializing in comprehensive security assessments across web applications, mobile platforms, and network infrastructure, along with enterprise infrastructure management. Proven track record of identifying critical vulnerabilities for leading organizations including Pinterest, Verisign, and Dell through responsible disclosure programs. Proficient in advanced penetration testing methodologies aligned with OWASP and MITRE ATT&CK frameworks. Skilled in managing and hardening enterprise infrastructure, including Linux/Windows servers, Active Directory environments, and cloud systems. Actively engaged in continuous skill development through competitive platforms and hands-on security research, with strong technical expertise in Python, scripting, and offensive/defensive security tools.

Language Proficiency:

Technologies & Skills:

TCP/IP Windows Linux Network Security Active Directory OWASP Red Team MITRE ATT&CK Privilege Escalation Vulnerability Assessment Exploit Development Presentation Skills Problem Solving System Administration Burp Suite Metasploit Cobalt Strike Sliver Ghidra Nmap Wireshark BloodHound Impacket SQLMap Nuclei ffuf Python Bash JavaScript C/C++ Assembly SQL

Experience

National Research Tomsk State University
Bastion Cybersec Solutions

Software Engineer, Intern - National Research Tomsk State University

Feb 2025

Designed and developed software solutions for university research projects, creating comprehensive technical documentation aligned with academic standards.

Responsibilities:

Designed and developed software solutions within university research projects
Created technical documentation in accordance with academic standards
Developed architectural diagrams and visualized software system structures (UML, component diagrams, activity diagrams)
Participated in the full software development lifecycle

Achievements:

Independently developed and implemented innovative software projects with complete technical documentation packages
Created detailed architectural diagrams to visualize system structure and component interactions
Prepared academic documentation meeting scientific publication standards

Penetration Tester, Intern - Bastion Cybersec Solutions

May 2024 - Sep 2024

Executed comprehensive security assessments across application and network infrastructure, identifying and documenting critical vulnerabilities in enterprise environments.

Achieved Top 5 ranking among 100 participants in internal CTF competitions, demonstrating advanced penetration testing capabilities and technical expertise.
Performed comprehensive security assessments on web applications and network systems, identifying vulnerabilities including authentication bypasses, privilege escalation vectors, and injection flaws.
Executed advanced exploitation techniques achieving root-level access on both Linux and Windows environments, demonstrating proficiency in system-level security testing.
Developed and delivered technical presentations on security vulnerabilities and exploitation methodologies, contributing to team knowledge sharing and security awareness initiatives.
Successfully completed intensive internship program with certification, validating practical penetration testing competencies.