Platform Security Engineer

Platform Security Engineer (m/f/d) - External Workforce Company Summary: A1 Digital makes digitalization happen. With scalable services and innovative solutions in the areas of IoT, cloud and security, we are the ideal partner for digital projects in medium-sized businesses. A1 Digital currently supports more than 500 companies in their digital transformation. Our experts at our locations in Vienna, Munich and Lausanne are already working with the technologies of tomorrow today. This is a path we can only take together - join in Location: Vienna (hybrid) On-call: Part of the rotation after onboarding About the Role: You work across infrastructure operations and internal security practice. You operate Linux-based services, shared platforms, and core operational tooling. You strengthen internal security processes and support technical readiness for services that move into shared environments such as Kubernetes. You collaborate with teams across the organisation and contribute to the reliability and security of central platforms.Depending on experience, the role offers room to take ownership of selected areas and influence how platform and security practices evolve. Responsibilities: * Operating and improving Linux infrastructure and related service operations * Managing monitoring, logging, backup, restore, and operational controls * Contributing to internal security standards, compliance preparation, and security processes * Reviewing technical designs and identifying security improvements for shared platforms * Supporting secure practices for containerised workloads and related services * Working with teams that introduce or migrate services and ensuring technical and operational readiness * Participating in the team's on-call rotation Profile: * Solid Linux operations background * Experience with infrastructure components and modern service platforms * Understanding of Kubernetes concepts and secure operation of workloads * Knowledge of security fundamentals across systems, networks, identity, and data * Ability to structure technical topics and communicate decisions clearly * Interest in contributing to and, with experience, shaping security and platform practices * English fluency (German beneficial) What You Can Expect: * Hybrid work environment * Modern tooling across Kubernetes, GitLab, Vault, monitoring, automation * Exposure to infrastructure and security topics across teams * Room to develop ownership in specific areas depending on experience * Learning budget and corporate benefits What we offer: * Flexible working hours, mobile working. * Autonomous working conditions with a lot of freedom to create. * Modern working atmosphere and centrally located office with great public transport connection. * Constant learning with many possibilities and offers. * Paid lunch break and cantina, extra holidays, employee rates and many further discounts. * Team events as well as trainings and further education Our performance-based-salary models reward extraordinary commitment and success. The minimum annual gross salary according to the collective agreement is EUR 44.450,00. The actual annual salary depends on your skills and experience. We at A1 Digital International GmbH & Co KG are convinced that women with their ideas and way to work are indispensable for the success of our company and culture. We are therefore pleased about the interest of women in the advertised position and especially invite women to apply. Unser Mindset Wir bei A1 wollen mit den Besten zusammenarbeiten und glauben, dass Talent keine Norm hat.Wir nehmen Menschen mit auf unsere Reise, von denen wir lernen können und die uns täglich inspirieren, die Zukunft digitaler, nachhaltiger und inklusiver zu gestalten. * Frauen in IT & Technik * Umweltfreundliche Lösungen * Chancengleichheit & Diversität Neugierig auf uns? Besuche uns auf kununu Erhalte wertvolle Insights von denen, die es am besten wissen:Mitarbeiter:innen und Bewerber:innen. #MakeItHappen Jetzt bewerben