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Technical Expert – Cyber Security Specialist

Do you want to secure the future infrastructure of a general leader? Our key client is in the midst of a massive digital transformation, and safeguarding our complex ecosystems is our top priority.
We are looking for a Senior Cybersecurity Specialist to be the defensive and offensive brain across our global environments (IT & OT). You will be the bridge between technical vulnerability validation and corporate resilience strategy, acting as the architect of our next-generation security posture.

The Mission: Offensive Security, AI Innovation & Resilience ?
You will join a high-impact, international team during a critical stage of growth. This is not just a passive monitoring role; it is a dynamic position designed to redefine how we protect our assets.

Your challenge is twofold: maintaining an ironclad defense and day-to-day operational support, while proactively designing the automation and AI-driven roadmap for a future-proof, cyber-resilient infrastructure.

Key Responsibilities & Daily Focus ⚙️




Your time and impact will be smartly distributed between strategic development, offensive validation, and critical support:
- 75% IT Excellence & 25% OT Convergence: Main focus on securing our complex IT environments while progressively auditing and understanding our Operational Technology (OT) industrial environments.
- Offensive Security & Threat Validation: Lead penetration testing, red/blue/purple teaming exercises, and adversary simulations to uncover vulnerabilities before they are exploited.
- Detection Engineering (Microsoft Ecosystem): Leverage Microsoft Defender and Microsoft Sentinel to analyze large-scale security data, simulate attack patterns, and optimize SOC detection coverage.
- 2nd Level Support (15% Daily Dedication): Act as a key escalation point for traditional security department operations, troubleshooting complex incidents.
- AI-Driven Security Enablement & Automation: Explore, develop, and implement AI/

Postúlate en Kit Empleo: kitempleo.es/empleo/73q4zr

📌 Cyber Security Consultant (Marzán)
🏢 Randstad
📍 Marzán