Freelance Cyber Security Specialist
adesso is a leading European IT consultancy with strong roots in Germany and a fast-growing presence in the Benelux. We support organizations in their digital transformation with a strong focus on security, reliability, and regulatory compliance. To support upcoming client engagements, we are expanding our freelance network with experienced Cyber Security Specialists.
Location: Belgium / Remote (hybrid possible)
Preferred start date: flexibel
Languages: English + Dutch or French speaking
Your role
As a Freelance Cyber Security Specialist, you will support clients across various industries (finance, public sector, healthcare, manufacturing, utilities, etc.) in strengthening their security posture and managing cyber risks.
Depending on the assignment, your responsibilities may include:
Assessing security risks, vulnerabilities, and compliance gaps
Designing and implementing cyber security measures and architectures
Supporting security operations, incident response, and remediation plans
Conducting security assessments, audits, and penetration tests (or coordinating them)
Advising clients on best practices, governance, and security roadmaps
Supporting projects in areas such as cloud security, IAM, network security, or application security
Collaborating with architects, developers, IT, and business stakeholders
Required Experience
We are looking for freelancers with strong technical expertise and a consulting mindset:
Proven experience as a Cyber Security Specialist, Consultant, or Engineer
Solid knowledge of security domains such as:
Network & infrastructure security
Cloud security (Azure, AWS, or GCP)
Identity & Access Management (IAM)
Application & DevSecOps security
Security monitoring, incident response, and SOC operations
Familiarity with standards and frameworks such as ISO 27001, NIST, CIS, or SOC2
Experience with security tools (SIEM, EDR, vulnerability scanners, etc.) is a plus
Strong communication skills, able to translate security topics to business stakeholders
What we offer
Access to challenging and impactful cyber security projects
Collaboration with experienced adesso consultants across Belgium and Europe
Transparent communication and pragmatic cooperation
Flexible engagement models (remote / hybrid, project-based or time & material)
Opportunity for long-term collaboration within the adesso freelance ecosyst
Work in an international group with strong local expertise in Belgium.
Collaborate with cross-functional teams to deliver trusted, compliant, reusable data products.
Flexible freelance setup with the support of a growing adesso Belgium community.
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