I am a results-driven software engineer and cybersecurity specialist with 4+ years of experience in secure software development, penetration testing, network security, and enterprise infrastructure management. I have built full-stack applications, hardened Linux and Windows environments, and automated security processes using Python. I have secured VMware ESXi infrastructure, web applications, and CI/CD pipelines; led security initiatives across multi-campus educational environments, and delivered security awareness training while reducing manual administrative workloads through automation.

Jafar Suleiman

I am a results-driven software engineer and cybersecurity specialist with 4+ years of experience in secure software development, penetration testing, network security, and enterprise infrastructure management. I have built full-stack applications, hardened Linux and Windows environments, and automated security processes using Python. I have secured VMware ESXi infrastructure, web applications, and CI/CD pipelines; led security initiatives across multi-campus educational environments, and delivered security awareness training while reducing manual administrative workloads through automation.

Available to hire

I am a results-driven software engineer and cybersecurity specialist with 4+ years of experience in secure software development, penetration testing, network security, and enterprise infrastructure management.

I have built full-stack applications, hardened Linux and Windows environments, and automated security processes using Python. I have secured VMware ESXi infrastructure, web applications, and CI/CD pipelines; led security initiatives across multi-campus educational environments, and delivered security awareness training while reducing manual administrative workloads through automation.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

Arabic
Fluent
English
Advanced

Work Experience

Head of Technology Department (IT Manager) at Classical School of the Medes (CSM)
January 1, 2024 - Present
Led and secured IT operations across a multi-campus international school serving 2000+ students, faculty, and staff; architected enterprise Active Directory with RBAC, implemented VLAN-based network segmentation, configured firewall policies and IDS/IPS; developed disaster recovery and business continuity plans; delivered security awareness training; led digital transformation initiatives including attendance tracking, dashboards, and secure document workflows; hardened endpoints across 500+ devices.
Cyber Security & Full Stack Developer (Freelance) at Self-Employed / Remote
January 1, 2022 - January 1, 2023
Performed comprehensive penetration testing across web applications, APIs, networks, and internal systems for diverse clients; identified and documented critical security vulnerabilities including OWASP Top 10, misconfigurations, and authentication bypasses; developed Python automation for recon, vulnerability scanning, and security assessments; hardened Linux and Windows servers; conducted digital forensics and incident response; delivered detailed reports with remediation recommendations; 95% client satisfaction and repeat business.
Software & Infra Security Tools Engineer at CodeM Solutions (Remote, India)
January 1, 2021 - January 1, 2022
Developed secure RESTful APIs with robust authentication and encryption; implemented JWT-based authentication and RBAC; performed secure code reviews and vulnerability assessments; patched critical vulnerabilities (SQLi, XSS, auth flaws); optimized queries and architecture, improving performance by ~40%; collaborated with cross-functional teams to embed security in the SDLC; delivered risk assessments and remediation guidance; served 2000+ active users with 99.8% uptime for educational systems.

Education

Bachelor of Technology at Kalinga Institute of Industrial Technology
January 11, 2030 - December 16, 2025
B.Tech in Computer Science and Engineering at KIIT University
January 1, 2019 - January 1, 2023

Qualifications

Certified Ethical Hacker (CEH)
January 11, 2030 - December 16, 2025
CompTIA Security+
January 11, 2030 - December 16, 2025
Cisco CCNA
January 11, 2030 - December 16, 2025
OSCP
January 11, 2030 - December 16, 2025

Industry Experience

Education, Software & Internet, Professional Services, Other