Vulnerability Assessment and Penetration Testing, Senior Engineer

Riyadh, Riyadh Province, Saudi ArabiaSeniorPosted Oct 19, 2026

Job description

SOOR, a subsidiary of Master Works, helps organizations stay ahead of evolving cyber threats through advanced cybersecurity and secure infrastructure solutions. SOOR delivers resilient, scalable, and regulation-aligned security across governance, cloud, networks, and managed defense. SOOR is looking for a highly skilled Vulnerability Assessment and Penetration Testing Engineer, Senior to join our dynamic security services team.

In this client-facing role, you will be responsible for leading complex security assessments across various industries. You will act as a subject matter expert, not only identifying critical vulnerabilities but also articulating business risks to stakeholders and guiding remediation efforts.

Key Responsibilities

Lead and execute end-to-end penetration tests on: Web Applications: (OWASP Top 10, API security, Business Logic flaws). Network Infrastructure: (Internal/External, Active Directory, Firewalls, Routers, etc). Source Code Review: Conduct manual and tool-assisted secure code reviews (SAST) across languages/frameworks, identify injection flaws, and provide developer-focused remediation guidance.

Mobile Applications: (iOS and Android - static and dynamic analysis). Vulnerability Assessment: Conduct comprehensive vulnerability assessments and configuration reviews against industry standards (CIS, NIST). Red Teaming (Optional/Nice to Have): Participate in adversary simulation exercises, social engineering, and physical security assessments.

Cloud Environments (Optional/Nice to Have): (AWS, Azure, GCP configuration reviews and exploitation). Tooling: Utilize and refine advanced tooling (Burp Suite Pro, Metasploit, Nmap, Nessus, Bloodhound, etc.) and develop custom scripts/exploits when automated tools fail. Client Engagement & Consulting: Scoping: Collaborate with clients to define engagement scope, rules of engagement (RoE), and timelines.

Communication: Serve as the primary technical point of contact during engagements, providing status updates and immediate alerts on critical "showstopper" findings. Reporting: Author high-quality, executive-level reports that translate technical vulnerabilities into business risks. Must be able to explain the "So What?

" to C-level executives and the "How To Fix It" to system administrators. Debriefs: Lead technical read-out sessions and remediation workshops with client stakeholders.

Requirements

Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field 5+ years of experience in information security, with at least 3+ years specifically in a penetration testing/VAPT role. Prior experience working in a consulting/service provider environment is highly preferred (managing multiple clients and timesheets).

Technical Proficiency: Deep understanding of web technologies (HTTP, SOAP, REST, AJAX) and secure coding practices. Strong knowledge of Active Directory attack paths (Kerberoasting, DCSync, ACL abuse). Experience with manual exploitation techniques; not just running automated scanners. Proficiency in at least one scripting language (Python, Power.

Shell, Bash, or Ruby) for automation and tool customization. Certifications (Preferred but not limited to): eMAPT eWPTX eCPTX OSCP CWEE, etc.

Description copied from Master Works (master-works.net)'s careers page. Read the full posting before you apply.

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