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ZEZEAL Network SE

Senior SecOps Engineer(m/w/x)

Hamburg
Full-timeWith Home OfficeSenior

Optimizing CrowdStrike Falcon platform effectiveness for lottery and e-commerce operations. 5+ years in security engineering with hands-on EDR/XDR tuning required. Hybrid setup, €1,500 annual development budget.

Requirements

  • 5+ years in security engineering, detection engineering, or incident response
  • Strong hands-on experience with CrowdStrike Falcon (or equivalent EDR/XDR), including detection engineering, investigation workflows, and platform tuning in a production environment
  • Proven track record of improving detection quality and reducing alert fatigue
  • Experience working with or alongside MDR services (e.g. Falcon Complete)
  • Solid understanding of MITRE ATT&CK applied in real detection and response scenarios
  • Proficiency in Falcon query language (or similar) for detection, hunting, and analysis
  • Comfortable making and defending trade-offs on tuning, suppression, or removal
  • Experience with vulnerability or exposure management (ideally within Falcon or similar platforms)
  • CrowdStrike certifications (CCFA, CCFH, CCFR)
  • Scripting (Python, PowerShell) and API-based automation
  • Familiarity with ISO 27001 and/or PCI-DSS

Tasks

  • Own and improve CrowdStrike Falcon platform effectiveness
  • Ensure high signal-to-noise ratio and scalable workflows
  • Manage configuration, policy governance, and sensor coverage
  • Collaborate with Falcon Complete for high-quality MDR output
  • Lead incident investigation, scoping, and post-incident review
  • Refine alert triage and prioritisation strategies
  • Build and improve custom detections and queries
  • Conduct hypothesis-driven threat hunting
  • Identify and prioritise security gaps using Falcon Exposure Management
  • Translate exposure insights into remediation actions
  • Develop and evolve response playbooks and dashboards
  • Upskill security and Corporate IT teams
  • Manage CrowdStrike vendor relationship
  • Prioritise high-impact improvements in a lean team

Work Experience

  • 5 years

Education

  • Vocational certificationOR
  • Bachelor's degreeOR
  • Master's degree

Languages

  • EnglishBusiness Fluent

Tools & Technologies

  • CrowdStrike Falcon
  • EDR
  • XDR
  • MITRE ATT&CK
  • Falcon query language
  • Python
  • PowerShell
  • ISO 27001
  • PCI-DSS

Benefits

Additional Allowances

  • Annual development budget of €1,500
  • Monthly mobility allowance of €30

Informal Culture

  • Trust and autonomy

Flexible Working

  • Flexible work options
  • Hybrid setup

More Vacation Days

  • Unlimited vacation days
  • 30-day yearly vacation allowance

Workation & Sabbatical

  • Workations abroad

Company Bike

  • Company bike leasing program

Retirement Plans

  • Company pension scheme

Healthcare & Fitness

  • Subsidized EGYM WELLPASS membership

Team Events

  • Monthly company events
  • Team activities
  • Informal gatherings

Free or Subsidized Food

  • Company-wide lunches
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