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.