Senior IT Security Specialist / Security Project Manager …, Aartselaar

Senior IT Security Specialist / Security Project Manager We are looking for a Senior IT Security Specialist to lead and implement security initiatives across enterprise IT environments. This role combines project management, technical security expertise, and advisory responsibilities to strengthen the organization's cybersecurity posture across infrastructure, software development, and operational technology environments.

Responsibilities

Manage and deliver end-to-end security projects, including planning, coordination, implementation, and delivery

Define and improve security processes, procedures, and controls

Ensure security‑by‑design principles across digital projects

Implement and optimize security solutions such as Microsoft Defender, Entra ID, Active Directory, and IAM platforms

Analyze incidents, troubleshoot complex security issues, and recommend structural improvements

Advise internal stakeholders on security architecture, risk mitigation, and technical security best practices

Support compliance initiatives and audits aligned with frameworks such as NIST, CIS Controls, ISO 27001, and CyberFundamentals

Contribute to proactive security posture management and continuous improvement initiatives

Promote security awareness and best practices across technical teams

Required Skills

Strong experience in security project management and technical implementation

Advanced expertise in cybersecurity, security architecture, and IAM

Strong background in enterprise infrastructure and system engineering

Experience with networking, Microsoft security technologies, and security governance

Knowledge of compliance frameworks and standards

Familiarity with NIS2 is a plus

Strong analytical, communication, and stakeholder management skills

Hands‑on mindset combined with strategic thinking

Languages

Dutch (native or bilingual proficiency)

Additional Information

Senior‑level hybrid role

Location: Aartselaar, Belgium

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