As part of our Project Team, you'll serve as a trusted Senior System & Security Engineer for our clients — guiding them through onboarding, configuring best-in-class security platforms, and making sure their environments are protected from the start. You'll work with a powerful stack: Microsoft Sentinel, Defender XDR, Darktrace, CrowdStrike, Tenable, and more.
Your responsibilities
Client & technical leadership
- Act as the primary technical point of contact throughout client onboarding projects
- Provide expert guidance on configuring Microsoft Sentinel and the broader security toolset
- Define policies, configuration baselines, and best practices for all supported tools and services
- Keep services running smoothly in production — investigate, remediate, and improve
Project delivery
- Collaborate with the Project Manager on planning and execution
- Configure device and service log collection for clients
- Set up and fine-tune: MS Sentinel, MS Defender XDR, MS Defender for Cloud, vulnerability scanning, Darktrace, CrowdStrike, and other security solutions
Integration & quality
- Investigate and resolve issues when onboarding log sources and services
- Write and maintain Standard Operating Procedures (SOPs) for onboarding
- Test log sources and integrations to ensure data quality end to end
- Integrate tools with each other and with the Senthorus backend
- Design dashboards, reports, and KPI views tailored to each service
Internal platform & innovation
- Install, maintain, and improve security solutions for internal infrastructure
- Keep documentation, SOPs, scripts, and procedures up to date
- Maintain and evolve the Senthorus Microsoft technologies lab (MDE, MDI, Defender for Cloud, MS Sentinel, and more)
- Contribute to internal projects that enhance our platform capabilities
Your profile
Required
- 5+ years of experience in IT, with a strong focus on security and infrastructure management
- Solid hands-on experience with Microsoft security technologies (Sentinel, Defender suite, Azure)
- Strong knowledge of cloud platforms — Azure and Microsoft 365
- Proficiency in Microsoft Windows systems and services
- Solid Unix/Linux operating system experience
- Experience reviewing, analyzing, and troubleshooting log data
- Strong network and protocol knowledge (infrastructure fundamentals)
- Excellent client-facing skills — clear, confident, and professional
- Sharp analytical and problem-solving mindset
- Fluent in English and French (written and spoken)
Nice to Have
- Experience with other security solutions (Darktrace, CrowdStrike, Tenable, or similar)
- Strong written and spoken German is a significant advantage
