Stellenbeschreibung Wir suchen Sie ab sofort als Specialist Customer Service (w/m/d) am Standort in Ratingen – werden Sie Teil des Teams unseres Kunden!
What makes you stand out You have solid experience in the field of Public Key Infrastructure (PKI), certificate management, and cryptography, along with a deep understanding of security‑relevant concepts.You possess very good knowledge of Microsoft Azure, ideally with a strong focus on cloud PKI and Microsoft cloud security services.You have experience administering Windows‑based and ideally also Linux‑based certificate services and are confident working in hybrid IT environments.You are familiar with modern security architectures such as zero trust, identity‑based security, and device trust, and are able to apply these concepts in practice.You have previously worked in an IT security or IT infrastructure environment and handle complex technical requirements with confidence.Your working style is characterized by analytical thinking, a structured approach, and a high level of personal responsibility.You enjoy working in a team, communicate clearly, and value sharing knowledge and developing solutions collaboratively.In addition, you have very good German and English skills, both written and spoken, enabling you to work confidently in an international environment.
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.
Windows Server, Hyper-V, File Services).You have in-depth experience in the administration and hardening of Windows Server systems.You are confident in using Windows PowerShell and apply automation purposefully in operations.You have basic knowledge of regulatory security requirements, such as ISO standards, BSI, or compliance regulations.You have experience in the analysis and resolution of security-related incidents.You work confidently with external service providers and manage them effectively.You are characterized by an analytical, structured, and independent working style.Your strong communication skills and ability to work in a team set you apart.Your very good German and English skills, both written and spoken, complete your profile.
What makes you stand out You have a degree in (business) informatics or a comparable qualification.You have several years of experience in software development with Java and Spring/Spring Boot.You are highly skilled in designing and implementing microservice architectures.You also have a deep understanding of modern authentication and authorization concepts and ideally experience with Keycloak.You are familiar with cloud platforms, preferably Azure, as well as container technologies such as Docker and Kubernetes.You bring knowledge of CI/CD, API design (REST, OpenAPI), databases (SQL/NoSQL), and monitoring tools.You stand out for your analytical thinking, strong communication skills, team spirit, and clear customer focus.
What makes you stand out You have a degree in computer science, information security, business informatics, or a comparable qualification.You have gained more than 5 years of practical experience in an IT environment (e.g., as IT manager, administrator, project lead, or responsible for implementing IT-related topics).You also have several years of experience in IT-related audits, preferably in an auditing firm, a bank, or a billing company.You possess knowledge of common IT and information security frameworks and/or requirements such as ITIL, Cobit, ISO 27001, BAIT, NIST, or BSI IT baseline protection, as well as SAP audit expertise, Microsoft Active Directory and Azure, Jira, and Apache.You communicate fluently in German and English, both spoken and written.Ideally, you already hold certifications such as CISA, CIA, CISM, or CISSP, or you are willing to obtain them with our support.You are willing to travel to DKV MOBILITY GROUP locations or to our outsourcing partners for on-site audits, demonstrate intercultural competence, and commit to continuous professional development.
What makes you stand out You have relevant professional experience operating complex, heterogeneous server infrastructures as well as application servers based on Microsoft Windows Server.You have very good knowledge of Microsoft server technologies such as Windows Server, Hyper‑V, Active Directory, Entra ID, Group Policies, and File Services.You are confident in using Windows PowerShell and apply it routinely for administration and automation.You have basic hands-on experience in operating hybrid infrastructures consisting of on‑premises, multi-cloud, and hybrid cloud environments, as well as services such as IaaS, PaaS, and SaaS, including their integration.You bring experience in working with external service providers and partners and are able to manage them in a structured manner.In addition, you work analytically, in a structured and independent way, and maintain an overview even in complex situations.You impress with strong communication skills, the ability to work well in a team, and a high level of responsibility.Fluent German and English skills, both written and spoken, complete your profile.
You are familiar with creating technical specifications and feasibility studies.Experience with payment processes in the acceptance environment, such as POS systems, fuel stations, or toll systems, is an advantage. Ideally, you also have experience in test management and certification processes for payment solutions.
What makes you stand out You hold a Bachelor’s degree in a relevant field, such as Business Administration, Economics, Controlling / Finance, or Industrial Engineering.Alternatively, you have completed a commercial apprenticeship with a strong analytical focus and additional qualifications (e.g., Certified Business Specialist, Controller training).You have completed training in pricing strategies and further developed your skills in data analysis, particularly in Excel and BI tools.You have experience working with ERP and pricing tools and possess solid knowledge in data analysis and reporting.You bring strong numerical and statistical competence, work with great attention to detail, and are skilled in error analysis.You are fluent in German and English, both written and spoken.
In addition, you support the business departments in future‑oriented topics such as CDS, CAP, BTP, and OData. What makes you stand out You hold a degree in (Business) Informatics or have completed a comparable education or training in the IT field (e.g.
You advise IT teams on classification, protection requirements, and dependencies within the infrastructure and support them in implementing regulatory requirements such as NIS2 or DORA. What makes you stand out You hold a degree in (Business) Informatics or have completed a comparable education or training in the field of IT.
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.
What makes you stand out You hold a master’s degree in Computer Science, Software Engineering, Mathematics, Statistics, or a related quantitative field.You have at least 3 years of professional experience in ML Engineering or MLOps, with a proven track record of building, deploying, and operating tailored AI/ML solutions in production.You bring deep expertise in Python and SQL, hands‑on experience with cloud platforms (ideally Azure), and familiarity with data warehouses such as Snowflake; foundational knowledge of Infrastructure‑as‑Code tools like Terraform is a plus.You are proficient with CI/CD tools (e.g., Azure DevOps), containerization technologies (Docker/Kubernetes), and apply modern software design patterns confidently.You thrive in a dynamic, agile, and innovative environment, working effectively both independently and as part of a team.You possess excellent English communication skills, both written and spoken; German language skills are considered a plus.
As part of our team, you will take on the following responsibilities: You are responsible for leading and developing the Product Development department, including staffing and promoting employees, as well as agreeing on targets for the department, such as personnel, budget, and investment planning, and controlling measures in case of deviations from these targets.Introducing, tracking, and evaluating department-relevant measures are also part of your tasks, as well as identifying and implementing necessary structural changes within the department and in collaboration with other departments and areas of DKV.You are responsible for developing and implementing strategies for creating and maintaining complex system architectures in the customer-centric web environment, as well as further developing customer-centric web technologies by evaluating and designing sophisticated solution architectures and ensuring availability and security in collaboration with other departments and areas of DKV.You are responsible for implementing and operating applications to defined SLAs at efficient costs, advising on architecture and design of the system network, as well as ensuring the logical integrity and scalability of systems and teams.Additionally, you ensure effective collaboration with other departments and areas of DKV along the value chain, as well as uniform product delivery in close cooperation with the Framework Development department.Using agile methods such as SCRUM, Kanban for IT, Servant Leadership, etc., is not a problem for you, nor is using future-proof cloud technology and phasing out legacy software towards a robust, modular, service-oriented software architecture.You maintain the scalability of the department and are a pioneer and shaper of change.