Security Administrator

Vor 4 Tagen

Berlin, Berlin, Deutschland LYNX Berlin Vollzeit 60.000 € - 90.000 € pro Jahr

We're looking for a skilled and proactive Security Administrator ( M/F/D) to lead the charge in strengthening our cybersecurity posture. In this role, you'll take ownership of our security operations—implementing and optimizing tools like Microsoft Defender XDR and Sentinel, driving incident response, and continuously improving detection and response capabilities. You'll work at the intersection of IT, security, and business teams to ensure our systems stay resilient against evolving threats, while supporting compliance and contributing to a security-first culture. If you're driven by impact, thrive in a fast-paced fintech scale-up, and enjoy turning complex challenges into robust solutions, we'd love to meet you.

What you'll do:
  • Lead the implementation and optimization of security tools, including Microsoft Defender XDR and SentinelLead and coordinate security incident response activities across IT and Security domains.
  • Manage security alerts and incidents, performing triage, root cause analysis, and post-incident reviews.
  • Monitor and manage security operations detect, investigate, and respond to threats across the organization in a timely manner
  • Develop and maintain security incident response playbooks and procedures
  • Conduct threat hunting and analysis using Sentinel and Defender telemetry to identify suspicious activity and improve detection rules using MITRE Attack framework
  • Collaborate with IT, Information Security and business units to ensure detection rules cover emerging threats
  • Continuously improve security posture by analyzing trends, implementing automation, and refining detection logic.
  • Support compliance and audit activities by ensuring security policies, controls, and reporting align with internal and external requirements.
  • Maintain and update security documentation, including runbooks, playbooks, and architecture diagrams.
  • Train and support internal teams on security best practices, threat awareness, and secure configuration standards.
Your profile:
  • Excellent knowledge of Microsoft Defender XDR and Microsoft Sentinel
  • 5+ years experience in incidence response activities across IT and security domains,
  • Strong Knowledge of IT Security principles
  • Strong knowledge of ITIL, ISO27001, NIST CSF , GDPR and DORA is preferred.
  • Proficient in SIEM and detection tools and scripting
  • Strong process orientation: able to design, document, and roll out effective processes
  • Strong communication skills, able to explain IT processes and best practices to non-technical audiences.
  • Certifications (ITIL, CISSP, CISM, etc.) are valued but not required
What we offer:
  • Competitive Salary, depending on your educational level and work experience
  • Free lunch from our cook, fresh juices & fruit
  • Continuous growth potential and a training budget of €2,000 per year
  • Trips & activities with your colleagues
  • Relaxed and informal working environment
  • Discount for membership of the Urban Sports Club
  • 45% contribution to the company pension scheme
  • In-house German and English courses with a native speaker and cover half of the costs
Why join us?
  • A fintech scale-up environment: fast-moving, collaborative, and impact-driven.
  • Hybrid work policy with offices in Berlin, Amsterdam, or Ghent.
  • Opportunity to shape and professionalize IT services for a 250-person organization.
  • A culture that values initiative, ownership, and continuous improvement.

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