Threat Detection Engineer

Join one of Europe’s most respected financial organizations, a cornerstone of the continent’s financial stability and infrastructure.

This is your opportunity to step into a mature, high-performing Security Operations Centre that plays a pivotal role in protecting the backbone of Europe’s financial systems. You’ll be part of a mission-driven environment where precision, innovation, and collaboration truly matter.

Job Title: Threat Detection Engineer

Location: Brussels OR Amsterdam OR London - Hybrid

Duration: 12 Month Extendable Freelance Mission (Extendable)

Start Date: October / November 2025

As a Threat Detection Engineer, you’ll play a vital part in enhancing and maintaining advanced detection capabilities within a secure, large-scale SOC. Your expertise in Splunk and use case development will directly influence how threats are detected, analyzed, and responded to across the organization.

You will:

• Design, build, and fine-tune detection rules in Splunk (SPL, ES, CIM, and log normalization).
• Develop, document, and maintain SIEM use cases that strengthen the organization’s detection framework.
• Lead and guide technical initiatives within the Threat Detection team to ensure continuous improvement.
• Advise on SIEM architecture and security tooling, bringing deep technical insight to detection strategies.
• Manage and prioritize detection tasks, balancing proactive threat hunting with operational response needs.

What You Bring

• Proven experience as a Threat Detection Engineer or similar role within a SOC environment.
• Advanced hands-on experience with Splunk, including SPL development and Enterprise Security (ES).
• Demonstrated ability to create and enhance use cases that detect and mitigate evolving threats.
• Solid understanding of cybersecurity principles, frameworks, and best practices.
• Strong communication skills in English — you can translate technical detection logic into actionable insights.

This will be an Inside IR35 Role.

Please attach updated CV for immediate consideration!