As part of our team, you will take on the following responsibilities: You are responsible for the operation, continuous development, and hardening of our enterprise‑wide PKI landscape (on‑premises and cloud).You design, implement, and operate Azure‑based PKI services, in particular Microsoft Cloud PKI and Microsoft Intune Certificate Lifecycle Management.You integrate certificate services into modern zero‑trust architectures.You develop and implement secure certificate and key management processes.You support the modernization of our identity and security infrastructure, especially in hybrid Azure environments.You work closely with security and infrastructure teams to establish secure and automated certificate workflows.You actively contribute to IT security projects and create security and architecture concepts.In close collaboration with the Group Information Security Office, you ensure compliance with regulatory and internal security requirements.You drive continuous process optimization, automation, and documentation.
As part of our team, you will take on the following responsibilities: You implement, administer, and monitor IT systems and services within hybrid infrastructures (on‑premises, multi‑cloud, and hybrid cloud environments), including IaaS, PaaS, and SaaS services as well as their integration and Infrastructure as Code, for example using Terraform, with a strong focus on cyber recovery.You analyze and resolve incidents in 2nd- and 3rd-level support, placing particular emphasis on cyber recovery scenarios.You continuously develop existing systems and services to improve performance, reduce costs, and minimize risks, including through the use of automation and AI.You ensure smooth system operations as well as correct and efficient licensing within the scope of lifecycle management.You manage and control external partners and service providers in close coordination with your manager and support market analyses for the selection and evaluation of hardware, software, and IT services.You contribute to the development of concepts and implement these concepts in solutions related to cyber recovery and business continuity.You support the planning, coordination, and execution of IT projects and business sub-projects during the implementation, testing, and rollout phases.You participate in advising business departments on projects and changes to IT services, systems, and applications, particularly with a focus on cyber recovery and continuity management.You create and maintain the necessary documentation for operations and support, especially for cyber recovery processes.You support the continuous analysis of process improvements as well as efficient interface and automation solutions, and evaluate and implement them.
What makes you stand out You bring several years of experience in network administration or network engineering, particularly with Zscaler, Fortinet FortiGate, Cisco, and Cisco Meraki.You have in‑depth knowledge of current network and security technologies.You have experience in designing and operating complex enterprise networks.Ideally, you have experience managing external service providers.You think analytically and independently solve complex technical challenges.You enjoy knowledge sharing and working as part of a team.You stand out through strong communication skills and a service‑oriented mindset.Very good written and spoken German and English skills round off your profile.
As part of our team, you will take on the following responsibilities: You design, build, and operate modern cloud services based on container, PaaS, and SaaS technologies.You work daily with Azure Kubernetes, Azure DevOps, Kafka, the Grafana stack, Instana, ArgoCD, and cloud‑native Postgres databases.You integrate new technologies into the DKV cloud environment and ensure their seamless functional operation.You develop additional software and integration components using agile methods and create clear technical requirements.You ensure a stable, scalable, and secure operation of our cloud infrastructure – including monitoring and recovery in case of failures.You support and train the development teams, optimize existing solutions, and continuously evaluate new technologies.
You design, plan, and implement infrastructure technology solutions and ensure their sustainable integration into the existing architecture.You are responsible for managing and continuously developing the existing IT services and contribute your expertise in an advisory capacity to other internal IT units. In addition, you evaluate alternative technologies and identify optimization potential in order to align architectural decisions with the company’s strategic objectives.You develop and maintain the company-wide Asset Classification Methodology (CIAA) and ensure its consistent application while taking security and compliance requirements into account.
As part of our team, you will take on the following responsibilities: You will take responsibility for the implementation, administration, monitoring, and continuous development of IT systems and services in a Windows server environment, ensuring compliance with applicable security policies.You will analyze and resolve incidents as part of 2nd- and 3rd-level support and ensure stable and reliable operations.You will be responsible for smooth system operations as well as correct and efficient licensing within the scope of lifecycle management.You will continuously enhance existing systems to sustainably increase security, efficiency, and stability.You will manage and oversee external partners and service providers in close coordination with the responsible manager.You will contribute to the design and implementation of concepts in the area of server and application operations, taking defined security policies into account.You will support the planning, coordination, and execution of IT and business projects during the implementation, testing, and rollout phases.You will advise business departments on projects and changes to IT services, systems, and applications, and analyze and evaluate technical, functional, and process-related requirements, including automation potential.
As part of our team, you will take on the following responsibilities: You are responsible for the implementation, administration, monitoring, and maintenance of IT systems and services in a Windows Server environment, in compliance with defined security policies.You analyze and resolve incidents in 2nd- and 3rd-level support within the Windows Server infrastructure.You implement hardening measures to reliably meet regulatory, compliance, and security requirements.In addition, you ensure the continuous development of the systems, with a focus on security, efficiency, and stability, and guarantee stable operations as well as correct and efficient licensing within lifecycle management.You manage and monitor external service providers and ensure a high level of service quality.You conduct market analyses for the selection and evaluation of hardware and software products.You design and implement concepts for server and application operations in compliance with defined security policies.You plan, coordinate, and support IT projects and business sub-projects from realization through testing to rollout.You advise business departments on projects, changes, and adjustments to IT services, systems, and applications.You analyze and evaluate functional, technical, and business requirements and ensure their secure integration.You identify potential for process optimization, automation, and interface improvements and implement them sustainably.
What makes you stand out You hold a degree in computer science or have a comparable technical qualification.You have experience in operating and further developing Microsoft 365 services and feel confident in modern workplace environments.You bring solid knowledge of Entra ID (Azure AD), Intune, Conditional Access, Microsoft Teams, and SharePoint Online.You have hands‑on experience in PowerShell scripting and ideally in working with Microsoft Graph.You are interested in topics such as automation, security, governance and are motivated to further develop your skills in these areas.You work in a structured, self‑reliant manner and enjoy collaborating in a team.You have very good German and English skills, both written and spoken.
For this purpose, you research technical and market‑relevant information, analyse the results and derive targeted measures to ensure and improve service qualityYou work confidently with relevant systems such as ticketing, monitoring and backend systems as well as partner portals. You create, analyse and use KPIs and technical reports to steer and continuously improve operational qualityIn addition, you handle basic technical enquiries related to AC charging infrastructure, perform initial diagnostics, analyse error patterns and initiate appropriate corrective measures.
As part of our team, you will take on the following responsibilities: You manage, monitor and continuously develop service and performance relationships with external partners and service providers in a cloud environment.You gather, assess and translate business requirements from internal departments into sustainable and scalable cloud services.You continuously optimize existing services and service level agreements, balancing quality, performance and cost efficiency.You support the definition, sourcing and implementation of new service offerings and actively contribute to the selection of suitable service providers.You evaluate new technologies and alternative solutions and provide well‑founded recommendations to meet current and future business requirements.You plan, coordinate and deliver IT and cloud projects end‑to‑end, from conception and implementation through testing, rollout and transition into operations.You perform economic evaluations of cloud and infrastructure costs and actively drive cost optimization initiatives in line with FinOps principles.You design and implement measures to increase efficiency, for example through automation and the use of AI‑based solutions.