Security Engineer - Vulnerability & Hardening

As a Security Engineer, you will contribute to strengthening the security posture of our clients by supporting vulnerability management, system hardening initiatives, and the security of emerging technologies, including Artificial Intelligence solutions.

You will play an active role in the improvement of cybersecurity services by helping design, implement, and optimize security processes and operational practices. Working alongside senior experts, you will contribute to delivering scalable and effective security solutions that address both technical and business needs.

Your key responsibilities will include:

• Identifying and analyzing vulnerabilities across infrastructures, systems, applications, and cloud environments.
• Supporting vulnerability management activities, including risk assessment, prioritization, and remediation tracking.
• Implementing system hardening measures based on industry best practices.
• Contributing to the design and continuous improvement of security processes and operational procedures.
• Participating in the enhancement of security services through standardization and efficiency improvements.
• Supporting security assessments of emerging technologies, including Artificial Intelligence solutions.
• Providing technical input and recommendations to improve the security posture of client environments.
• Assisting in PKI and certificate lifecycle management activities.
• Participating in security investigations, remediation efforts, and continuous improvement initiatives.
• Maintaining awareness of emerging threats and vulnerabilities.

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….

Do you have experience in Windows?, Do you have a Bachelor’s degree?, * 2 to 5 years of experience in a Security Engineer, Cybersecurity Analyst, or similar cybersecurity role.

• Good understanding of vulnerability management and system hardening principles.
• Knowledge of Windows, Linux, networking, Active Directory, and cloud security fundamentals.
• Interest in cybersecurity service development, process improvement, and security operations.
• Familiarity with security assessment and vulnerability management tools.
• Interest in AI security and emerging cybersecurity technologies.
• Basic knowledge of PKI concepts and digital certificate management.
• Strong analytical and problem-solving skills.
• Ability to work both independently and collaboratively within multidisciplinary teams.
• Good communication skills and the ability to translate technical findings into actionable recommendations.

Soft skills:

• Strong analytical and problem-solving skills
• Excellent communication skills
• Critical thinking and risk-based decision making
• Proactive mindset and sense of ownership

• A team of enthusiastic, professional colleagues in which there is an excellent atmosphere and where expertise is shared
• Tools and infrastructure that are consistently at the forefront of innovation
• Personalised career support to help you with your development
• Many training opportunities and certifications
• A company with a friendly working atmosphere which is dynamic and oriented towards innovation.
• Fun times - a food truck, barbecue, after-work events, family day!
• Complete salary package
• Teleworking opportunities (up to 3 days a week)

Are you looking for an environment where technology is not an end in itself, but a lever to build a sustainable future? At KEYES, we are not just looking for technical expertise; we are looking for people who share our values.

Do you want to continue your career and grow within one of Belgium’s leading IT companies?