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Cybersecurity

Senior Security Engineer

Location
Antwerp, Belgium
Work mode
On-site
Contract
Contract · Senior
Closed
30 Jun 2026

This mission closed on 30 Jun 2026.

It stays online for reference, but it no longer takes applications.

About the mission

We are looking for a Senior Security Engineer with extensive experience in cybersecurity for a long-term assignment. The role involves strengthening security capabilities, incident response, and threat hunting, with a focus on hands-on execution and proactive improvements.

Read the full description
We are looking for an experienced Security Engineer for a long-term assignment in South West Flanders.

Duration: 6 months +
Start ASAP long-term assignment
1 day of remote work per week.

Assignment

As a Senior Security Engineer, you will be responsible for strengthening and expanding the security capabilities of the organization. You will take a leading role in incident response, threat hunting, and security improvements.

Key Responsibilities

Detecting, analyzing, and resolving security incidents
Setting up and executing threat hunting
Taking ownership of vulnerability management
Conducting and following up on security assessments and pentests
Improving monitoring and detection capabilities
Advising IT teams on security best practices
Contributing to structural security improvements

Requirements

At least 5 to 8 years of experience in cybersecurity
Strong experience with SOC and incident response
Experience with threat detection and analysis
Experience with vulnerability management
Experience with pentesting or security assessments
Hands-on experience with security tools such as SIEM or EDR
Scripting knowledge, for example, Python

Languages

Dutch or French and English

Profile

Very hands-on and autonomous
Proactive mindset focused on threat hunting
Strong communicator to IT teams

Advantages

Certifications such as OSCP, CISSP, CEH
Experience in an industrial environment
Knowledge of cloud security Azure or AWS
Knowledge of frameworks such as ISO27001 or NIS2

Summary

Senior hands-on expert in SOC incident response and offensive security who can make an immediate impact and increase security maturity.

What you'll do

  • Detecting, analyzing, and resolving security incidents
  • Setting up and executing threat hunting
  • Taking ownership of vulnerability management
  • Conducting and following up on security assessments and pentests
  • Improving monitoring and detection capabilities
  • Advising IT teams on security best practices
  • Contributing to structural security improvements

What we're looking for

  • At least 5 to 8 years of experience in cybersecurity
  • Strong experience with SOC and incident response
  • Experience with threat detection and analysis
  • Experience with vulnerability management
  • Experience with pentesting or security assessments
  • Hands-on experience with security tools such as SIEM or EDR
  • Scripting knowledge, for example, Python

Skills

  • SIEM
  • EDR