Senior Systems & Security Engineer (Windows/Linux/Azure)

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
   

Senthorus provides organizations with a state-of-the art solution to increase their security in the cloud and on their internal IT. Our 24/7 operations out of our Security Operations Centers (SOCs) located in Switzerland, leverage BlueVoyant's expertise while customers can be confident that all data is maintained and operated securely within Swiss borders – offering peace of mind without sacrificing oversight or effectiveness into cyber defense strategy.