Cybersecurity Consultant - DevSecOps / Kubernetes

Role Overview We are looking for a Confirmed Cybersecurity Consultant to support our team in DevSecOps & Kubernetes security domains. The consultant will work on advanced threat detection engineering and threat hunting, with a strong focus on Linux, containerized, Kubernetes and cloud-native environments. You will collaborate with other teams to strengthen early detection of cyber threats using state-of-the-art SIEM and runtime detection technologies. Key Responsibilities Design, develop, and maintain threat-informed detection rules based on cyber threat intelligence, adversary techniques, and incident feedback Engineer and deploy detection use cases for Linux workloads , including physical, virtual, and containerised systems Integrate and validate security telemetry (container runtime events, Kubernetes audit logs, cloud control-plane logs) into SIEM platforms Perform continuous tuning and optimization of detections to reduce false positives and improve coverage and performance Conduct proactive threat hunting and retro-hunting activities and convert findings into production-grade detections Contribute to detection coverage mapping , gap analysis, and risk-based prioritization Produce and maintain technical documentation (specifications, validation evidence, runbooks, reporting) Master's degree in IT or Cybersecurity Required Skills & Experience Mandatory European Union nationality (EU-27) Fluent English (working language) Minimum 6 years of experience in Cybersecurity At least one recognized cybersecurity certification (e.g. CISSP, CISM, GCED, GCIH, Security+, CEH, cloud security certs, etc.) Strong expertise in Kubernetes security and attacker techniques Proven experience in threat detection engineering and/or threat hunting Experience with SIEM platforms , preferably Splunk Ability to work in a multicultural, international environment Eligible for EU security clearance Strong Assets Cloud security (AWS and/or Azure) Detection content lifecycle, Git-based workflows, CI/CD or DetectionOps Soft skills Strong analytical and problem-solving skills Ability to work autonomously in operational contexts Clear technical communication and documentation skills Team-oriented mindset in international environments Risk-aware and security-focused approach What you'll love about working here At Capgemini Belgium we offer flexibility in more than one way: next to our hybrid way of working, where we offer you can work 70% from home, we also offer our flex abroad program. With this program you can work up to 45 days abroad, this to maintain a good work-life balance. Next to this we also offer following additional benefits Net expenses Company car or mobility budget (whatever works best for you) Health insurance Meal vouchers Pension plan Eco vouchers from €250/year. A flex plan where you can buy extra days off, update your insurance or buy home office supplies. 32 vacation days + Bank holidays. J-18808-Ljbffr