Introduction

Brunel is looking for a project in Leuven for a Senior Security Engineer.

Do you have 5+ years of hands‑on experience in SOC operations, threat detection and pentesting, and you love tackling security challenges head‑on, then you're the Security Engineer we are looking for!

What are you going to do 

As a Senior Security Engineer, you play a key role in protecting a complex enterprise IT environment against internal and external cyber threats.

You work both proactively and reactively, typically as part of the Security Operations Center (SOC), and contribute your expertise to advanced monitoring, investigation, and remediation activities.

Responsibilities:

  • Proactively and reactively monitor, investigate, and remediate security incidents
  • Investigate suspicious activities and take appropriate mitigating actions
  • Maintain and optimize security monitoring tools and detection capabilities
  • Perform penetration testing and vulnerability assessments to identify weaknesses
  • Document, test, and monitor security incidents and assess their impact
  • Contribute to improving detection use cases and security controls
  • Collaborate with SOC analysts, incident responders, and other cybersecurity stakeholders

You'll work 2-3 days on-site in Leuven, Mechelen or Brussels, the remaining days working remotely.

Essential skills and knowledge 

You have 5+ years of hands‑on experience in SOC operations, threat detection and pentesting, understand how to detect patterns, assess risks and take ownership of security processes.

You are comfortable working in a complex enterprise environment and collaborating with different IT and business stakeholders.

Skills & Qualifications:

  • Strong expertise in SOC monitoring and SIEM platforms (Splunk, Sentinel, QRadar, Elastic)
  • Proven experience in incident response, root cause analysis, and forensic investigation
  • Hands-on experience with pentesting, vulnerability management, and web/application security
  • Knowledge of Agile methodology, cyber risk management, and information security frameworks
  • Experience with cloud and container security (Azure Defender, Kubernetes)
  • Familiarity with network security technologies (Palo Alto, Snort, Zscaler)
  • Understanding of governance frameworks such as ISO 27001, NIST CSF and DORA

You communicate fluently in Dutch and English.

What we offer

At Brunel, you get more than just challenging projects. We make sure you feel valued from day one with a structured onboarding program, regular events to help you integrate quickly, and a personalized development plan to support your growth.

In addition, we offer an attractive and comprehensive salary package, including a company car, 13th month, annual bonus, monthly net allowance, meal and eco vouchers, a mobile phone subscription, hospitalization and group insurance, and 32 vacation days.

Freelancers, we offer a competitive rate.

Closing: 10 June 2026

Apply Now

Do you have questions?

Vacancy reference: PR-286583

ES

Corporate recruiter

Eddy Simons

Contact

$name

Application process

First Contact

We carefully review your application and in the coming weeks, you will be notified for an interview session if you are selected. Only shortlisted candidates will be contacted within 7 days.

Scheduling an Interview

After being shortlisted, you will be contacted via email or telephone to arrange for a date on your availability for the qualification interview.

Phone/ Qualification Interview

During the interview, you will be assessed on your level of experience and skills, work history, availability, and the qualifications the company is seeking for the position.

Meeting in Real Life

After successfully making through the phone interview, a face to face interview will be scheduled between the candidate and recruiter. This session can be a more in-depth  interview to review your communication and interpersonal skills.

Application for the Position

Submission of candidates resume for client’s approval and screening.

Are you the perfect match for this vacancy? Apply in 1 minute and let's get in touch!

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