IT Systems & Security Engineer

• Own day-to-day security operations, including vulnerability handling, follow-ups, and patching
• Maintain, operate, and improve Linux-based systems (e.g. VPN, internal platforms, shared services)
• Take ownership of MDM and endpoint security (Intune, macOS, Windows, Microsoft Defender)
• Support and operate Microsoft 365 and Azure AD, including access controls and identity management
• Reduce security debt and close open findings, especially in the context of ISO 27001
• Document, standardize, and continuously improve recurring security and infrastructure processes
• Act as a reliable operational counterpart for engineering, IT, and leadership stakeholders across the group

Do you have experience in macOS?, * Several years (approx. 5+ years) of hands-on experience in system administration, IT infrastructure, or similar roles

• Strong practical experience with Linux administration and operating production systems
• Proven experience handling vulnerabilities, patching, and security-related operational tasks
• Solid working knowledge of Microsoft 365, Azure AD, Intune, and Microsoft Defender
• Confidence in making independent changes in production environments
• A security-first mindset combined with pragmatic decision-making
• Clear, structured communication and a high sense of ownership and reliability
• Curiosity, adaptability, and a strong learning mindset in a changing environment
• Professional working proficiency in English and Spanish
• Experience with ISO 27001, scripting (Bash or PowerShell), or VPN/DNS/firewall setups is a plus, but not a requirement

Sdui Group is shaping the future of education in Europe. We build digital solutions that help educational institutions work smarter, communicate better and save valuable time. With a growing team of over 300 people across multiple European countries, we are on a clear mission: to become Europe's leading software provider for education. Driven by courage, collaboration and responsibility, we focus on what matters most: better education for a better tomorrow., As an IT Systems & Security Engineer, you take full operational ownership of core security and infrastructure topics across the Sdui Group. You ensure that our systems are secure, stable, and compliant - not by coordinating from the sidelines, but by being hands-on where it matters most. In a highly autonomous setup, you reduce security debt, establish clear standards, and create reliability across multiple companies and countries., * Purpose & Social Impact: Working in education means making a real difference. At Sdui Group, you contribute to improving the daily work of schools and shaping the future of education for a better tomorrow. * Flexibility & Hybrid Work: We work in a hybrid setup that combines flexibility with collaboration. This includes flexible working hours, the option to work remotely and a regular onsite presence to support teamwork and connection. Working hours are shorter on Fridays. * We Take Care of Our People: Your well-being matters to us. In case of sick leave, we cover 100% of your salary from day one. * Learning & Development: We support your personal and professional growth through development opportunities, learning initiatives and the chance to grow within an international software group. * Team & Collaboration: You will be part of a collaborative and supportive team environment. We believe great teams are built through trust, connection and shared experiences, and we actively create space for this in everyday work. * Ownership & Growth: We combine a start-up mindset with the stability and ambition of a growing European group. You will have the opportunity to take responsibility, contribute your ideas and actively shape our future together. * Time Off & Everyday Perks: You receive 23 days of paid vacation per year. Coffee, tea and cold drinks are available in our offices, and we value spending time together beyond day-to-day work.