Senior Security Project Manager

Senior Security Project Manager - 12 months - Brussels, Belgium

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About the Role

RELYzIT Talent is seeking a Senior Security Project Manager (Freelance, 12 months) to join our client’s mission-critical team in Brussels. This is a unique opportunity for a proven leader to drive high-impact security and IT transformation projects at the heart of national security. You’ll be embedded in a builder-first environment, surrounded by elite peers, and empowered to shape outcomes that matter.

Why This Role Matters

As a Senior Security Project Manager, you will be instrumental in safeguarding vital information assets and ensuring the resilience of critical infrastructure. Your expertise will directly influence the security posture and operational excellence of our client, supporting national interests and public trust. This is a role where your leadership and technical mastery will have tangible, far-reaching impact.

What You’ll Be Doing

• Lead and deliver complex IT security projects from inception to completion, ensuring alignment with strategic objectives and compliance requirements.


• Drive Agile project management practices, fostering a culture of continuous improvement and high performance within multidisciplinary teams.


• Coach, mentor, and empower technical teams, promoting collaboration and knowledge sharing across functions.


• Implement and oversee security frameworks (ISO 27001, NIST, ZeroTrust), ensuring robust risk management and regulatory compliance.


• Coordinate with stakeholders to define project scope, deliverables, and success metrics, maintaining clear communication throughout the project lifecycle.


• Utilize industry-standard methodologies (PMBOK, PRINCE2, SCRUM) to optimize project delivery and resource allocation.


• Contribute to the continuous evolution of security operations, leveraging expertise in EDR, SIEM, PKI, and related technologies where applicable.


• Champion a builder-first mindset, taking full ownership of outcomes and driving innovation in every phase of the project.

Technical Skills & Experience

• Minimum 10 years of confirmed experience in IT project management, with a strong focus on security and transformation initiatives.


• Expertise in Agile methodologies and coaching high-performing teams.


• Proven experience with ISO 27001:2005, NIST, ZeroTrust frameworks.


• Confirmed proficiency in PMBOK, PRINCE2, and SCRUM project management standards.


• Experience with EDR, SIEM, PKI, Android, Linux, and Microsoft Windows is a plus.

Language Proficiency

• Fluent in Dutch or French, with a strong working knowledge of the other national language (Dutch or French).


• Good command of English.

Other Requirements

• Belgian nationality is mandatory.


• In possession of a "top secret" security clearance, or willing to obtain one.


• All services must be performed onsite at our client’s secure location in Brussels; remote work is not possible.


• Demonstrated ownership, problem-solving ability, and a relentless drive for impact.


• Builder mindset: proactive, collaborative, and committed to excellence.

VECTOR7™ Signal Stack Vetting

All candidates are evaluated through RELYzIT’s VECTOR7™ multi-signal process, ensuring you join a community of elite, credentialed builders. Evaluate once, carry your credential forever.