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Senior Security Consultant

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Onsite

Senior Security Consultant

Keystone Solutions

Senior Security Consultant

Skills

Consulting CybersecurityCompliance

23 days ago

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Important information


Location:

Brussels, Belgium

Work mode:

Onsite

Published on:

5 October 2026

What they need


Mission Overview:

The Consultant Security position is a consultancy mission at a client site, representing Keystone Solutions. As a Keystone Solutions consultant, you will be hired to work on client projects, bringing your expertise and values to every engagement.

Responsibilities:

  • Strengthen the client's security team by overlooking security actions in business projects and supporting the evolution of the NIST framework.
  • Act as the contact person for delivering evidence for NIST controls to the Benelux team.
  • Ensure security requirements are integrated early in projects and opuses.
  • Fill and review application security forms with tribe teams.
  • Evaluate compliance of changes and assist the CISO in GO/NO GO release gates.
  • Request evidence from subject matter experts for NIST controls.
  • Submit NIST evidence to the central team and negotiate acceptance criteria.
  • Report progress periodically on NIST controls and escalate issues to IT management.

Language Requirements:

  • Fluent in French or Dutch
  • Good command of English

Education:

  • Master or Bachelor degree plus relevant experience

Certification:

  • ISO27001 or equivalent

Telework:

  • Expectation: 50% on site & 50% homeworking

Required Experience / Knowledge:

  • 5 years of relevant experience and knowledge of IT production or networks in technical and/or functional domains

Technical Experience:

  • Mandatory: Prior experience in software development; good understanding of SDLC activities
  • Knowledge of application architecture basics (n-tier, client server)
  • Understanding of network security fundamentals
  • Good understanding of security frameworks such as NIST and ISO27001
  • Basics of IT risk assessment/management
  • Preferable: Experience working on security topics in projects

Business Experience:

  • Preferable: Experience in banking environment

Soft Skills:

  • Very good autonomy and personal effectiveness
  • Good verbal and listening communication skills
  • Ability to see the overall picture and analyze situations
  • Strong teamworking and information sharing abilities

Keystone Solutions Advantages:

  • Consultancy Nature: You will work on-site as a consultant, representing Keystone Solutions in client environments.
  • Dynamic Projects: Experience a diversity of challenges across various client settings.
  • Turbo-Charged Learning: Benefit from professional development and broad learning opportunities.
  • Skyrocketing Ambition: Keystone Solutions is committed to your career growth within our framework.
  • Values: Being a K-Stone means bringing our core values to every engagement.

Application:

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today .

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