Security Expert (Malle, Machelen, Sint-Niklaas, or Zedelgem)

On IT!; Antwerpen; Sur place; EUR 90 000 - 120 000; Plein temps

Avantages offerts par ce poste

Meal vouchers

Eco-vouchers

Expense reimbursement

Hospitalization insurance

Group insurance

Company car

Fuel card

Laptop

Phone plan

32 vacation days

Professional development

Résumé du poste

On IT! is seeking a Security Expert to act as a trusted advisor for clients in cybersecurity, conducting in-depth assessments and guiding security roadmaps.

The role supports the Security Competence Center and collaborates with sales and technical teams to translate audit results into concrete security improvements. Key duties include risk analysis, maturity reporting, and developing security strategies across governance, identity, and architecture.

Qualifications

• 6 to 10 years of security consulting, cybersecurity advisory, security architecture or security engineering.
• Experience with Microsoft Security Stack and Identity & Access Management.
• Knowledge of Zero Trust, vulnerability management, and security governance.
• Familiarity with NIS2, ISO 27001, CIS Controls, and Microsoft Security Best Practices.

Responsabilités

• Conduct security assessments and translate risks into business impact.
• Prepare risk analyses and maturity reports; present to IT and senior management.
• Validate security controls, identify misconfigurations, and map attack vectors.
• Provide security architecture advice and support presales and project scoping.
• Develop assessment methodologies and security standards within On IT.

Connaissances

Strategy

Analysis

Presentation

Business acumen

Ownership

Leadership

Change management

Outils

Microsoft Security Stack

Description du poste

Who are you in our On IT story?

As a Security Expert, you’ll serve as a trusted advisor to our clients in the field of cybersecurity. You’ll conduct in-depth security assessments, translate technical risks into business impact, and guide clients through their security roadmap. You’ll play a key role in the continued development of our Security Competence Center and support clients, sales, and technical teams with specialized expertise.

Responsibilities

Security Assessments

• Independently perform analyses of the Microsoft 365 and Entra ID security posture.
• Evaluate conditional access, MFA, endpoint security, identity, and Active Directory.
• Analyzing vulnerability exposure and Zero Trust maturity.
• Assessing backup and recovery security, security logging, and monitoring.

Reporting and Advice

• Preparing risk analyses and maturity reports.
• Determining priorities and remediation plans.
• Presenting results to IT managers and senior management.
• Developing security roadmaps.
• Providing advice on governance, compliance, and architecture.

Technical Validation

• Detecting misconfigurations.
• Identifying risks related to privilege escalation and lateral movement.
• Performing exposure mapping.
• Assessing attack vectors and security controls.

Security Consulting and Presales

• Provide advice on security architecture.
• Supporting commercial opportunities.
• Determining the scope of projects and managed services.
• Translating audit results into security improvement initiatives.
• Developing assessment methodologies and standards within On IT.

Qualifications

Experience

• 6 to 10 years of relevant experience in security consulting, cybersecurity advisory, security architecture, or security engineering.

Technical expertise

• Microsoft Security Stack and Identity & Access Management.
• Zero Trust architecture and vulnerability management.
• Security governance.
• Knowledge of NIS2, ISO 27001, CIS Controls, and Microsoft Security Best Practices.

Certifications

• Preferably one or more of the following certifications: SC-100, SC-200, AZ-500, CISSP, CISM, OSCP, or CEH.

Skills

• Strong in strategy and analysis.
• Can give presentations at the management and executive levels.
• Business acumen.
• Ownership and Leadership.
• Can guide clients through change processes.

In addition to a competitive salary, you will benefit from a range of fringe benefits such as:

• Receive meal vouchers and eco-vouchers
• Reimbursement of Expenses
• Insurance: Take advantage of comprehensive hospitalization and group insurance
• Company Car + Fuel Card
• Technical equipment: Laptop, a phone budget, and a phone plan
• Vacation: Enjoy 32 vacation days per year
• Professional Development:Gain access to a variety of training courses tailored to your career goals