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October 10, 2026
IT Security Expert
Senior • On-site
60,000 - 85,000 EUR/yr
Lengerich, Germany
Quick Facts
- Role: IT Security Expert
Description
You will administer and continuously improve assigned security platforms, especially for endpoints, email, password management, and Microsoft 365. You will coordinate and prioritize security incidents with a managed detection and response provider and support technical security assessments for new tools, systems, cloud services, and AI-related solutions. You will also contribute to building and operating an information security management system (ISMS) aligned with ISO/IEC 27001, including security policies, risk assessments, and audits.
Responsibilities
- Administer and develop security platforms for endpoints, email, password management, and Microsoft 365
- Serve as internal point of contact for the platforms and continuously optimize their use to match company requirements
- Coordinate, assess, and prioritize security incidents with an external managed detection and response provider; monitor implementation of agreed measures
- Plan and execute vulnerability scans and analyses; track vulnerabilities and coordinate remediation with responsible contacts
- Perform technical security checks for new tools, systems, cloud services, and AI solutions; create technical evaluations and recommendations
- Contribute to setting up and operating an ISMS under ISO/IEC 27001, security policies, risk assessments, audits, and cross-functional projects
Requirements
- Completed degree in (business) informatics, IT security, or similar field, or equivalent qualification
- At least 3 years of experience in IT security, information security, or a comparable position
- Proven experience operating and administering enterprise security environments and security platforms for endpoints, email, and password management; good knowledge of Microsoft 365 security
- Knowledge of vulnerability management
- Knowledge of network security including firewall, proxy, and VPN solutions
- Strong motivation for IT security and self-driven approach; ideally practical certifications such as BTL1, CompTIA Security+, CEH, or equivalent
- Fluent German and English
- Experience in project management
- Experience with data-, cloud-, or AI security
- Structured, independent working style
Benefits
- New Work-oriented environment with agile working methods and modern mobile-working solutions
- Significant room for shaping solutions, plus broad training and further education opportunities
- Proven onboarding concept
- Diversity and inclusion are anchored in the company culture
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