At Grob Aircraft SE, we design and build some of the world's most advanced training and special-mission aircraft, "Made in Germany" and trusted by air forces, flight schools, and government operators worldwide. As part of Helsing, Europe's leading defense AI company, we are shaping the future of European air power and pilot training. Aircraft Training on the Edge Our Ground Based Training (GBT) systems push the boundaries of modern pilot training, from full-feature Flight Simulation Training Devices to next-generation Mixed Reality FSTDs, AI-powered Pilot Selection Systems, and fully integrated Learning Management platforms. As these systems become more connected, intelligent, and mission-critical, cybersecurity becomes a key enabler. That is where you come in. Your Role As a Cybersecurity Specialist for our flight simulator and training systems, you protect the digital backbone of our GBT ecosystem. You secure the IT infrastructure that powers our simulators, training networks, and customer installations worldwide, ensuring that our systems meet the highest standards of confidentiality, integrity, and availability. Your Responsibilities Operation, administration, and continuous hardening of the IT infrastructure behind our flight simulators and training systems Implementation and maintenance of cybersecurity measures in line with ISO 27001 and aerospace-relevant security standards Configuration and management of Windows and Linux servers, Active Directory, networks, firewalls, VPNs, and NAS systems Vulnerability analysis, vulnerability management, and execution of vulnerability scans Development and enforcement of secure configurations, system hardening, and backup concepts Support for secure data transmission concepts (integrity, authenticity, confidentiality) Collaboration with internal development teams, external service providers, and customers on security-related topics Support during customer installations, audits, and security assessments Your Profile Professional Background Completed training as an IT Specialist for System Integration or a comparable qualification in Computer Science, Cybersecurity, or IT Engineering 3 years of professional experience in system administration, IT operations, or a similar technical role Technical Skills – IT Infrastructure Solid understanding of IT systems, networks, and operating systems, including troubleshooting and analysis Experience with Microsoft Windows Server & Client, Active Directory, and Group Policies Experience with Linux servers at admin level File server administration Network environments (routing, switching, firewalls), including setup and configuration of switches, LAN/VLAN structures, and basic firewall rule management VPN systems and disk encryption tools Experience with QNAP NAS systems (administration, backup configuration, user management, and security settings) RAID setups and backup concepts Hardware/software configuration and deployment Cybersecurity & ISO 27001 Good knowledge of IT security principles and ISO 27001 requirements Ability to develop and implement security measures, including system hardening and secure configuration Experience with vulnerability analysis and vulnerability management, including running vulnerability scans Understanding of secure boot, firmware integrity, and runtime security Basic understanding of secure data transmission concepts (e.g., message/signal integrity, authenticity, confidentiality) according to standards such as ISO/SAE 21434 Soft Skills & Working Style Solution-oriented mindset with the ability to deliver pragmatic, sustainable results Strong communication skills, both within the team and with internal and external service providers and customers High level of reliability, teamwork, and a service-oriented approach Very good German skills and good English skills Advantageous Qualifications Microsoft Certified Solutions Associate (MCSA) or Windows Server 2012/2016 certification Cybersecurity certification such as CompTIA Security or equivalent Penetration testing experience Exposure to secure development methodologies or secure coding Familiarity with Mixed Reality (MR), Augmented Reality (AR), or Virtual Reality (VR) simulation environments Your Benefits at Grob Aircraft Flying at Grob: Fly the Grob G115 in your free time (for PPL holders) and access our Grob TP flight simulator Insurance & Pension: Company pension scheme, Grob accident insurance, and subsidy for occupational disability insurance Health & Well-Being: EGYM Wellpass, subsidized lunch (approx. 50%) Work-Life Balance: Bridge days with flextime, DEKA working time account, and kindergarten subsidy Extras: VIP tickets for FC Bayern home games (Allianz Arena), employee referral premium, anniversary gifts, and corporate benefits discount platform LI-HK1