Freelance Senior Information Security Consultant
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Help organisations build security that sticks
Cybersecurity shouldn’t be a tickbox. It should be built to last. At Cingulum, we work various critical sectors to improve resilience, reduce risk, and ensure compliance with frameworks like ISO 2700/Cyber Fundamentals and regulations like NIS2.
We're looking for an experienced Senior Security Consultant to join our trusted freelance network. If you’re driven by impact, comfortable leading projects, and ready to coach others while delivering strategic value, you’ll fit right in.
What it’s like to freelance with Cingulum
As a freelance consultant with Cingulum, you will work closely with our teams and clients. You will also have the opportunity to bring a junior consultant onto projects and mentor them in the Cingulum way of working.
We match your expertise with the right projects, aligned with your skills and availability, so you can focus on what you do best. It’s all about Teamwork
Your role
As a freelance Senior Information Security Consultant, you’ll work closely with our clients to lead projects that strengthen their cybersecurity posture, prepare them for audits, and build long-term resilience.
Your typical day could include:
Lead NIS2 or ISO27001 implementation and readiness tracks.
Design governance, risk management, and business continuity frameworks tailored to each client’s needs.
Act as a CISO (ad interim or fractional) for clients, offering strategic guidance and oversight.
Coach junior consultants, review deliverables, and ensure quality across engagements.
Support external audits or take the lead on internal readiness assessments.
Monitor project performance and keep clients aligned on timelines, scope, and impact.
You’ll be supported by a dedicated project team, and have access to Cingulum & CRANIUM Group’s proven templates, methods, and tooling and we would love to see you at our internal Team Meetings & Buildings
What we’re looking for
You’re a seasoned security expert with a clear head and a collaborative mindset. You know when to lead, when to coach, and when to challenge.
You have:
At least 5 years’ experience in cybersecurity, IT governance, or risk management.
A confident grasp of ISO 27001, CyFun, and related frameworks.
Strong stakeholder communication skills, both technical and business-facing. You know when to talk jargon and when to simplify.
The ability to work independently within structured engagements.
Fluency in Dutch and English is required. Professional knowledge of French is considered a plus.
Bonus points if you have:
CISM, CIPT, ISO27001 (LI or LA), or NIS2 Lead Implementer certification.
Experience working in critical sectors (finance, energy, healthcare, etc.).
Strong supplier risk management knowledge aligned with NIS2.
Why work with Cingulum?
We know what experienced freelancers value: clear scope, constructive teamwork, and professional respect. When you join Cingulum, you get all three, plus the chance to shape your own professional knowledge and experience further.
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