Cybersecurity Engineer (SIEM, DevSecOps, IR)

MOHAMED MEDJAHDI

Cyber Security Engineer

Saïda, Algeria (CET) ********.*******@*******.*** +213-***-**-**-** linkedin.com/in/medjahdimohamed github.com/medjahdi PROFESSIONAL SUMMARY

Cybersecurity Engineer specializing in DevSecOps, SIEM engineering, and vulnerability management across distributed environments. Expertise in architecting automated threat detection tools in Python and Go, configuring complex Wazuh

(SIEM) deployments, and leading incident response efforts. Proven track record of conducting rigorous code reviews, penetration testing, and integrating security controls (IAM, network segmentation) to protect critical enterprise infras- tructure. Highly autonomous professional accustomed to delivering robust cloud security and infrastructure hardening as a B2B contractor.

TECHNICAL SKILLS

• Security Operations: SIEM Monitoring (Wazuh, ELK), Incident Response, Log Analysis, Threat Hunting, Zero Trust Architecture concepts.

• Offensive Security & Compliance: Vulnerability Management, Penetration Testing, Secure SDLC, NIST/ISO frameworks.

• DevSecOps & Automation: Python, Go (Golang), Bash, Security-as-Code, API Integration, CI/CD Security.

• Infrastructure & Cloud: Active Cisco CCNA, TCP/IP, Linux Kernel (Ubuntu, LFS), Docker, IAM, Firewalls. PROFESSIONAL EXPERIENCE

Cyber Security & DevSecOps Consultant Jan 2025 – Present BranDZ Tech (Virtual Agency) Freelance B2B

• Conduct comprehensive penetration testing, vulnerability assessments, and risk remediation for over 40 diverse inter- national clients.

• Perform rigorous source code reviews (SAST/DAST concepts) to identify security flaws and embed secure development lifecycle (SDLC) practices.

• Architect and implement secure backend infrastructures, enforcing IAM controls and network segmentation via Docker. SOC Analyst & Cyber Security Engineer May 2025 – July 2026 SocShield Saïda, Algeria

• Engineered and configured distributed Wazuh (SIEM) deployments, tailoring the architecture to specific enterprise security requirements and compliance frameworks.

• Developed custom SIEM detection rules and Regex decoders to accurately monitor security events and identify sophis- ticated threat signatures.

• Executed end-to-end incident response, tracking threats from initial detection through to eradication and network recovery.

AI Security Specialist (Beta Tester) Aug 2026 – Present Askeal Remote

• Execute rigorous security testing and red-teaming on proprietary AI applications to identify logic bypasses and strengthen automated threat detection controls.

SECURITY ENGINEERING & AUTOMATION PROJECTS

OmniScan (Network Vulnerability Scanner) Lead Systems Architect

• Architected and implemented a highly concurrent, production-grade network vulnerability scanner using Go (Golang).

• Designed the core scanning engine to automate complex reconnaissance, systematically audit open ports, and rapidly identify infrastructure misconfigurations.

PhishNode (Automated Threat Triage Platform) Lead Security Engineer

• Designed and developed an automated platform in Python to parse incoming security alerts and malicious payloads, significantly accelerating incident response workflows (SOAR capabilities). CERTIFICATIONS

• Cisco Certified Network Associate (CCNA)

• Fortinet Network Security Expert 1 & 2 (NSE 1, NSE 2) EDUCATION

Master’s in Information Security (M1) Sep 2026 – Expected 2028 Université Dr. Moulay Tahar Saïda, Algeria

Bachelor of Computer Science (Systèmes Informatiques) Sep 2023 – June 2026 Université Dr. Moulay Tahar Saïda, Algeria

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