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Security Manager (Defense & Classified Information)

twentyfour industries • Germany
Visa Sponsorship Relocation
This Job is No Longer Active This position is no longer accepting applications
AI Summary

Own and implement a comprehensive security program for a high-tech defense startup, ensuring compliance with national, NATO, and customer security requirements. Lead physical, communication, and personnel security across all sites while maintaining classified and export-controlled work integrity. Drive security governance, incident response, and employee awareness in a fast-paced, mission-driven environment.

Key Highlights
Direct ownership of company-wide security policy, threat/risk assessment, and security posture for defense customers
Full authority over physical security, access control, zoning, and classified information handling across all sites
Responsible for personnel security clearances, incident response, and security awareness training for all employees

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Key Responsibilities
Own and implement a coherent security concept that meets customer, national, and NATO security requirements
Develop and enforce company-wide security policies, threat and risk assessments, and security posture for defense programs
Manage physical security across all sites including access control, zoning, alarm and surveillance systems, visitor handling, key management, and restricted areas
Establish and enforce secure communication protocols and classified information handling standards for approved channels, encryption, storage, and transmission
Oversee personnel security including vetting, security clearances, briefings, and offboarding for all employees with access to sensitive material
Lead incident response including detection, reporting, investigation, and notification to customers and authorities
Conduct recurring security briefings to ensure all employees understand applicable security rules for their roles
Grant and withdraw access, set site-wide security rules, and halt activities that create unacceptable exposure
Technical Skills Required
Security Management Physical Security Classified Information Handling

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Benefits & Perks
Competitive salary
EGYM Wellpass
Equity options
Flexible hours
Remote options
Relocation support

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Nice to Have
Existing personnel security clearance (Ü2/Ü3) or eligibility for one
Working relationships with BMWK, BAAINBw, national security authorities, or customer security officers
Exposure to export control, IT and cyber security, or business continuity and crisis management

Job Description

We are looking for a clear-headed and experienced Security Manager to own the protection of our sites, our people, our information, and our communication. In this role, you will be responsible for a coherent security concept that satisfies customer, national, and NATO security requirements, and that enables us to run classified and export-controlled work without friction. This is an ownership role with real authority and a direct line to the COO. You grant and withdraw access, you set the rules that apply on every site, and you can stop any activity that creates unacceptable exposure.
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Job Overview
Posted Aug 31, 2026
Employment Full-time
Experience Associate
Location Germany
Category Cyber Security
Company twentyfour industries
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