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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Security Engineer - AI Security & Hardening - **Company:** NRB - **Location:** Herstal, Belgium (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Kubernetes Security, Microsoft Windows, Active Directory, Artificial Intelligence, Cloud Computing Security, Cyber Security, Linux, Network Security, Machine Learning, Public Key Infrastructure, Secure Coding, Security Information and Event Management, Software Vulnerability Management, Data Processing, Cloud Platform System, Generative AI, Cybercrime, CIS Benchmarks, Vulnerability Analysis - **Published:** June 7, 2026 - **Apply:** https://be.indeed.com/viewjob?jk=86497bf246cdd9bf ## About the Role Do you have experience in Windows?, Do you have a Bachelor's degree?, * Minimum 5 years of experience in a Security Engineer or similar cybersecurity role. * Proven expertise in vulnerability management, security remediation, and system hardening. * Strong knowledge of Windows, Linux, Active Directory, networking, and cloud security principles. * Hands-on experience with vulnerability assessment and remediation tools. * Experience securing cloud and hybrid environments. * Knowledge of AI security concepts and emerging risks associated with Generative AI and Machine Learning technologies. * Practical experience with PKI infrastructures and digital certificate lifecycle management. * Ability to conduct in-depth technical analyses and translate findings into actionable security recommendations. * Strong analytical, problem-solving, and communication skills. * Ability to work independently while collaborating effectively with multidisciplinary teams. Soft skills: * Strong analytical and problem-solving skills * Excellent communication skills * Critical thinking and risk-based decision making * Proactive mindset and sense of ownership ## Description As a Senior Security Engineer, you will be responsible for strengthening the security posture of our clients' environments, with a particular focus on vulnerability management, system hardening, and the security of Artificial Intelligence solutions. Your key responsibilities will include: * Identifying, analyzing, and prioritizing vulnerabilities affecting infrastructures, systems, applications, and cloud environments. * Maintaining continuous awareness of emerging vulnerabilities, cyber threats, and AI-related security challenges. * Participating in the assessment and security of Artificial Intelligence solutions, including generative AI models, Machine Learning platforms, and associated data processing environments. * Defining and implementing hardening measures in accordance with security best practices and frameworks such as CIS Benchmarks, NIST, ANSSI, and other industry standards. * Designing and leading remediation plans aimed at reducing attack surfaces and improving the resilience of technical environments. * Performing technical risk assessments and providing security recommendations aligned with business requirements. * Identifying AI-specific security risks, including prompt injection, data poisoning, model leakage, unauthorized access, sensitive data exposure, and other emerging threats, and implementing appropriate security controls. * Managing and administering PKI environments, including the full lifecycle management of digital certificates. * Participating in security investigations and contributing to the continuous improvement of security controls and protection mechanisms. * Collaborating with infrastructure, cloud, development, and governance teams to ensure security is integrated throughout the technology landscape. YOUR TEAM You will join the Security Operations team composed of approximately 25 cybersecurity professionals within a broader Cybersecurity department of around 60 specialists. The team brings together a diverse range of expertise across incident response (CSIRT), Security Information and Event Management (SIEM), Endpoint Detection and Response (EDR), antivirus management, SOC, network security, secure code reviews, container security, cloud security…. ## Related Videos - [Fighting the Next Wave of Cybercrime](https://www.wearedevelopers.com/videos/100331-fighting-the-next-wave-of-cybercrime) - [WWC24 - Chris Wysopal, Helmut Reisinger and Johannes Steger - Fighting Digital Threats in the Age of AI](https://www.wearedevelopers.com/videos/926-wwc24-chris-wysopal-helmut-reisinger-and-johannes-steger-fighting-digital-threats-in-the-age-of-ai) - [How to Cause (or Prevent) a Massive Data Breach- Secure Coding and IDOR](https://www.wearedevelopers.com/videos/39-how-to-cause-or-prevent-a-massive-data-breach-secure-coding-and-idor) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [GenAI Is a Junior Dev With Root Access](https://www.wearedevelopers.com/videos/100191-genai-is-a-junior-dev-with-root-access) - [The New AI Security Stack: Observe, Detect, Protect](https://www.wearedevelopers.com/videos/100302-the-new-ai-security-stack-observe-detect-protect) ## Related Articles - [Best Companies in the Netherlands: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/193-best-companies-in-the-netherlands-top-25-companies-in-2023) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)