Showing 12 of 1,498 vacancies
EM
Lead Penetration Tester: Red/Blue Team & NATO SECRET
EMW • eigenbrakel • 24 Oct 2026
€70 - €110

EMW is seeking a Penetration Tester with an active NATO SECRET clearance to operate on-site in Belgium. You will lead and perform web, infrastructure, and application penetration testing, and...

Permanent Hybrid Featured
SP
Senior Penetration Tester
Spektrum • brussel • 24 Oct 2026
€65 - €95

Spektrum supports apex purchasers (NATO, UN, EU, and National Government and Defence) and their Tier 1 supplier ecosystem with a wide range of specialist services. We provide our clients with...

Permanent Hybrid Featured
SP
Senior Penetration Tester - Red/Blue Team Expert
Spektrum • brussel • 24 Oct 2026
€65 - €95

Spektrum seeks an experienced Penetration Tester to support cybersecurity testing, security assessments, and NATO exercises in Mons. You will focus on web app and infrastructure testing, network...

Permanent Hybrid Featured
WL

Find the weakness before anyone else does. A multinational defence organisation is adding a penetration tester to its offensive security cell. The work is a genuine mix: hands-on testing, red and...

Permanent Hybrid
GA
[6084] Penetration Tester
GardPass Consulting & Space • eigenbrakel • 24 Oct 2026
€70 - €110

Extensive knowledge and experience (more than 3 years) in web application penetration testing; Extensive knowledge and experience (more than 3 years) in IT infrastructure penetration testing;...

Permanent Hybrid
NC
Penetration Tester 5 and 4
NCIM • , henegouwen, belgium • 24 Oct 2026
€70 - €110

Duties Lead and/or be part of the Red/Blue Team during NATO military exercises; Provide Web, infrastructure and application level penetration testing; Provide security design reviews to ensure...

Permanent Hybrid
AE
Senior Penetration Tester
Aegis Vision • , henegouwen, belgium • 24 Oct 2026
€70 - €110

Penetration Testing Execution: Provide comprehensive web application, IT infrastructure, and application-level testing (including COTS and GOTS software) using defined methodologies . Vulnerability...

Permanent Hybrid Featured
EM
C004908 Penetration Tester (NS) - FRI 23 Oct RELAUNCH
EMW, Inc. • eigenbrakel • 24 Oct 2026
€75 - €110

Deadline Date: Friday 23 October 2026 Requirement: Penetration Tester Location: Braine-l'Alleud, BE (Further location of the post will be Brussels following move of NCSC from BLA to Brussels.) Full...

Permanent Hybrid
EM
C004907 Penetration Tester (NS) - Tue 20 Oct RELAUNCH
EMW • , henegouwen, belgium • 24 Oct 2026
€70 - €95

NOTE: Please do not resubmit candidates who were found non-compliant in the earlier rounds of this RFQ. Previously proposed candidates were not compliant for the following reason: The profile does...

Permanent Hybrid
EL
Security Engineer,
Elia Group • , brussel hoofdstad, belgium • 24 Oct 2026
€75 - €110

Excited to work for a key Belgian player in the energy landscape? The Belgian and European energy landscape is in full swing. Did you know that Elia Belgium plays a crucial role in this? As part of...

Permanent Hybrid
EM
C004909 Penetration Tester (NS) - FRI 7 Aug RELAUNCH
EMW, Inc. • eigenbrakel • 24 Oct 2026
€70 - €110

Previously proposed candidates were non-compliant for the following reason: The profile does not demonstrate clear, independently verifiable experience aligning with the minimum requirement of 3...

Permanent Hybrid
HA
SIEM Engineer / Splunk
Harvey Nash • , brussel hoofdstad, belgium • 24 Oct 2026
€70 - €90

We are seeking an experienced SIEM Data Onboarding Engineer to support the integration of new data sources into our Splunk-based Security Information and Event Management (SIEM) platform. The...

Permanent Hybrid