The intern will support the T-Systems CCO staff by preparing and editing internal and external communication materials in German and English. Responsibilities include creating presentations, managing intranet content, and assisting with management-level reporting and announcements.
Lead end-to-end process modernization initiatives by designing and implementing AI-driven automation and intelligent workflow solutions. Drive organization-wide adoption of AI-enabled services to enhance operational efficiency, decision-making, and organizational resilience.
The role involves providing 3rd level application support for a mobile communication platform and analyzing API-related issues. Responsibilities also include executing SQL fixes through CI/CD pipelines and managing problems for assigned tickets.
The trainee will be responsible for labeling image data for object recognition and programming data acquisition pipelines. Additionally, they will handle frontend development in Three.js, design 3D environments, and perform Linux server administration.
The role involves implementing and customizing Gherkin scenarios using Java and Selenium, while supporting test teams with SOAP and REST web service testing. You will also be responsible for developing test frameworks, managing test data, and assisting in defect analysis within an agile Scrum environment.
The Security Analyst is responsible for detecting, analyzing, and managing security incidents while monitoring customer environments. They will also track IT security vulnerabilities, malware, and 0-day exploits to develop and implement detection rules.
You will be responsible for developing and operating data pipelines and building data layers within the Central Data Store Consumer. Additionally, you will integrate data preparations into managed processes and implement data exports and operations in a public cloud environment.
You will manage end-to-end billing and order-to-cash processes for cloud products while ensuring financial accuracy and compliance. Additionally, you will act as a key interface between internal teams and customers to support commercial evaluations and process standardization.
You will design, build, and operate cloud infrastructure and Kubernetes environments using a proprietary automation framework. Additionally, you will maintain CI/CD pipelines, ensure monitoring reliability, and perform troubleshooting in production environments.
The DevOps Engineer will operate and secure the Identity and Access Management (IAM) platform while managing infrastructure on Azure and Kubernetes. Responsibilities include implementing Infrastructure as Code, maintaining CI/CD pipelines, and participating in incident response and platform monitoring.
The specialist will manage the development and operation of residential network infrastructure, including the deployment and migration of network devices. They will also maintain communication with German-based teams and technicians while working in a shift-based schedule.
The engineer will be responsible for maintaining and operating network infrastructure, including switches, firewalls, and VPN gateways within a private cloud environment. They will also support application migrations and implement security measures based on BSI standards using automation tools like Ansible.
The Application Administrator will manage, maintain, and support enterprise workforce management applications for contact center agents. Responsibilities include performing system administration tasks, monitoring health, providing technical support, and collaborating with teams to resolve complex issues.
Develop, enhance, and maintain Java-based applications and IAM components while implementing new features and integrations. Collaborate with international teams to perform technical analysis, troubleshoot issues, and ensure high-quality, maintainable code.
Design and implement innovative Google Cloud Platform solutions while collaborating with product management and DevOps teams. Provide technical support for client workloads and assist in the full customer engagement lifecycle from pre-sales to implementation.
You will be responsible for the stable operation, monitoring, and deployment of highly available applications within a cross-functional DevOps team. The role involves automating operational tasks, resolving complex production issues, and ensuring the reliability and performance of business-critical tolling systems.
The Head of Security Team is responsible for coordinating the implementation of business plans and managing the operative program within the organizational unit. They also oversee team performance and handle financial planning for their specific team.
The role involves developing and maintaining automated UI and End-to-End tests using the UiPath Test Suite within an international project team. Additionally, the engineer will handle test management tasks, including creating test plans and documenting testing processes.
The Quality Engineer will perform manual functional testing of mobile applications and document the results. They will collaborate closely with agile team members, including Product Owners, Scrum Masters, and developers, to ensure high-quality digital experiences.
You will be responsible for the systematic design and execution of test cases, including End-to-End testing within SAP environments. Additionally, you will develop and apply automated tests using various high-code, low-code, and no-code technologies while collaborating with an international project team.
You will develop and enhance cloud platforms while solving complex problems in the daily operation of a hyper-scaler's cloud backend. Additionally, you will be responsible for developing and operating monitoring and quality assurance systems using automation frameworks.
Develop, integrate, and deploy Infrastructure-As-Code into staged cloud environments while coordinating security measures across layers. You will monitor code quality and runtime performance while working in a cross-functional international team.
The Technology Architect will design and implement a SUSE-based private cloud platform using KVM, ensuring it is optimized for SAP workloads. They will also integrate automation workflows with CI/CD pipelines and ITSM tools like ServiceNow to enable scalable infrastructure management.
You will prepare and participate in internal and external audits for cloud platforms while ensuring compliance with various IT standards. Additionally, you will act as a trusted advisor to cross-functional teams, helping to bridge compliance gaps and resolve security risks.
You will develop and enhance the Open Telekom Cloud platform while solving complex problems in the daily operation of a hyper-scaler's cloud backend. Additionally, you will be responsible for developing and operating monitoring and quality assurance systems using automation frameworks.
Design and implement scalable cloud-native data architectures using MS Fabric or Databricks for enterprise clients. Manage the full data lifecycle including ETL/ELT pipelines, data modeling, and performance optimization while collaborating with stakeholders.
Design, develop, and maintain automated and manual test cases while implementing effective testing strategies like the Test Pyramid. Collaborate with developers and DevOps engineers to integrate automated testing into CI/CD pipelines and ensure product quality.
Design and implement scalable, cloud-native data architectures using Databricks or MS Fabric. Collaborate with stakeholders to develop ETL/ELT pipelines, data models, and data governance solutions while providing strategic consulting.
You will support clients in designing and implementing AI-based customer service solutions while bridging the gap between business needs and technology. Additionally, you will facilitate client workshops and participate in the continuous improvement of existing conversational AI systems.
The IT Internal Audit Analyst will coordinate ICS and external audits for SAP and non-SAP applications while supporting control owners with guidance and documentation. The role also involves assessing audit findings, performing control testing, and contributing to the development of internal controls through automation.
You will lead the technical evolution of the enterprise ecosystem by designing architectural patterns for modernizing legacy systems into cloud-native, AI-integrated architectures. This involves managing technical debt, overseeing the 'Strangler Fig' migration strategy, and providing high-level mentorship to the engineering team.
You will design, operate, and develop OpenStack-based services on the T Cloud Public Platform while driving automation and network architecture improvements. Additionally, you will act as a trusted advisor for technology decisions and support team members within an agile squad.
The Senior Process Manager will adapt and implement IT processes to meet the needs of modern cloud operations while eliminating wait times in Agile workflows. They are responsible for automating processes, designing internal tools, and maintaining an overview of team communication and structure.
The intern will support service delivery management by handling reactive customer communications and managing standardized IT and telecommunications contracts. Responsibilities also include preparing documentation, evaluating customer requests, and verifying contract-based billing.
You will design and deliver technical training, workshops, and enablement sessions to help stakeholders understand and utilize T Cloud Public architectures. Additionally, you will act as a technical evangelist and collaborate with product and engineering teams to maintain up-to-date training materials.
You will be responsible for the preparation and follow-up of ICS and external audits for SAP and non-SAP applications. Additionally, you will steer control owners, provide ICS training, and support projects focused on control automation and best practice development.
The Product Owner will manage the billing system backlog, prioritizing user stories and collaborating with stakeholders to define business needs. They act as a technical translator between business units and the development team to ensure high-quality, compliant deliverables.
The role involves managing change management processes, maintaining operational documentation, and overseeing service management tools. You will also be responsible for tracking KPIs, conducting operational audits, and coordinating with suppliers to ensure service quality.
You will design, operate, and develop OpenStack-based services on the T Cloud Public Platform while driving automation and network architecture improvements. Additionally, you will act as a trusted advisor for technology decisions and support team members within an agile squad.
The DevOps engineer is responsible for managing containerized environments and ensuring reliable deployment on the CaaS@DTIT platform. They also implement monitoring and logging solutions to maintain system stability, performance, and observability.
You will define the product vision and oversee the entire lifecycle of backend tolling solutions. Additionally, you will manage the product backlog and maintain clear communication with stakeholders to ensure project alignment.
You will design and develop innovative platform and software-as-a-service features while improving the Open Telekom Cloud architecture. The role involves hands-on console work, consistent automation, and acting as a trusted advisor for OpenStack-based public cloud technology.
You will develop and enhance the Open Telekom Cloud platform while solving complex problems in the daily operation of the backend. Additionally, you will work on monitoring, quality assurance, and infrastructure automation within a team of specialists.
Develop complex AI solutions including chatbots, service bots, and LLM-based applications using RAG architectures. Collaborate with international teams to design, develop, and prepare AI applications for production in cloud and on-premise environments.
The Customer Security Manager is responsible for ensuring IT security services and SLAs are met according to customer contracts. They act as the primary interface for security issues, manage security incidents, and coordinate security improvement programs.
You will operate and improve the security risk management framework while providing guidance to local risk managers across multiple legal entities. Additionally, you will ensure risk documentation is audit-ready and provide management with insights on risk trends and KPIs.
The software engineer will be responsible for designing, developing, and testing reporting and dashboard solutions while supporting data modeling and business analysis. They will also define dimensions and facts within the semantic layer to ensure high-quality data output.
The Commercial Product Manager will oversee the entire product lifecycle for Access Services, from initial concept and market introduction to phase-out. They are responsible for managing interdisciplinary project teams, conducting market analysis, and ensuring the commercial profitability and quality of IoT and mobile data products.
Design and operate CI/CD pipelines for build, release, and observability to ensure reproducible software validation and controlled deployment. Partner with cross-functional teams to define operational KPIs, runbooks, and audit-ready evidence packs for secure release decisions.
Lead AI-assisted software engineering activities by designing repeatable SDLC patterns for complex cloud software stacks. Evaluate and operationalize AI development platforms and coding agents while coaching engineers on their safe and effective use.
Provide remote software and telephone support for technical developments related to antenna stations (2G/4G/5G). Manage incoming calls, administrative changes, and facilitate information exchange between field technicians and professional teams.
Analyze OpenStack-derived cloud services and use AI-assisted engineering methods to map dependencies, diagnose issues, and create technical handover documentation. Collaborate with cross-functional teams to validate findings and transform them into actionable engineering backlog items.
The role involves industrializing AI-assisted engineering workflows by creating reusable patterns for codebase intake, dependency extraction, and documentation generation. You will integrate these AI workflows with existing CI/CD systems, Git platforms, and architecture evidence repositories to ensure auditable and scalable engineering outputs.
The role involves strengthening software handover readiness by utilizing AI-assisted engineering to perform code quality, security validation, and dependency analysis. You will collaborate with cross-functional teams to generate evidence packs and ensure that platform automation and services meet enterprise assurance standards.
You will be responsible for the stable operation, monitoring, deployment, and continuous improvement of highly available applications in a 24/7 environment. You will also collaborate with developers and architects to automate operational tasks and ensure the reliability and performance of business-critical platforms.
Design and implement comprehensive technical solutions for corporate clients to solve complex business challenges. Act as a strategic advisor bridging business requirements and technological implementation while documenting architectures and mentoring teams.
Develop and operate CI/CD process concepts, including server administration and script creation. Implement infrastructure automation and deploy Docker containers within Kubernetes clusters.
Support and operate enterprise application environments for international customers in Linux environments. Handle troubleshooting, migrations, upgrades, and technical consulting for business-critical applications.
Develop complex AI solutions, including chatbots and LLM-based applications using RAG, for international clients. Design and implement these systems in both cloud and on-premise environments while collaborating with global teams.
Operate and maintain customer contact center platforms, focusing on VoIP applications and system administration. Responsibilities include troubleshooting complex voice quality issues, performing maintenance tasks, and managing system documentation.
Design and implement secure, high-availability public cloud architectures using T Cloud Public and other hyperscalers. Automate infrastructure deployment and manage container platforms while ensuring GDPR and C5 compliance.
The role involves designing and operating CI/CD processes, including server administration and script creation. Responsibilities also include infrastructure automation and deploying Docker containers within Kubernetes clusters.
Develop and maintain CI/CD pipelines to drive automation and efficiency within an international agile team. Take operational responsibility for core gateways and production environments, including 24x7 on-call duties.
Design, deploy, and manage scalable cloud and hybrid infrastructure with a focus on automation, reliability, and security. Implement observability solutions and maintain CI/CD pipelines to ensure high availability and efficient software delivery.
The role involves the operation, maintenance, and administration of Microsoft SQL Server and other database systems. The engineer will support developers and DevOps teams while maintaining full operational responsibility for production environments, including 24/7 on-call duties.
Lead the technical delivery and operational reliability of domain-based data products within a unified data platform. Partner with business domain leads to translate priorities into scalable, reusable data engineering solutions.
Develop, maintain, and stabilize automated UI and end-to-end tests for web applications using modern frameworks. Collaborate with developers, test managers, and Product Owners to integrate tests into CI/CD pipelines and ensure high-quality software delivery.
Operate and improve the information security risk management framework across multiple legal entities. Provide consultation, training, and GRC tool support to local risk managers while ensuring transparent risk reporting and mitigation.
Design, deploy, and manage secure cloud and on-premises network infrastructure to ensure high availability and resilience. Implement security measures, automate infrastructure provisioning, and provide on-call support for production environments.
Develop and optimize scalable data pipelines and warehouses to support electronic road-charging solutions. Collaborate with data scientists and analysts to ensure data quality, security, and high-performance analytics operations.
Design and implement production-ready agentic AI solutions and RAG systems using Python and cloud infrastructure. Own the full lifecycle from architecture and development to deployment, monitoring, and operational maintenance.
Manage and enhance the end-to-end customer journey for the Open Telekom Cloud Marketplace, supporting both consumers and partners. Coordinate with cross-functional teams to resolve platform issues and implement targeted marketing campaigns.
The specialist will design and implement security and fraud monitoring detection for telecommunication signaling protocols. Responsibilities include analyzing alerts, mitigating attacks, and developing security policies to counter signaling threats.
Design and create end-to-end learning paths, tutorials, and guides to help customers and partners adopt T Cloud Public services. Collaborate with product and engineering teams to translate complex cloud concepts into practical onboarding materials and ServiceNow CSM workflows.
Manage sales opportunities and leads within Salesforce and support the sales lifecycle through commercial calculations and pricing. Coordinate bid activities, tender portals, and internal documentation to ensure accurate deal processing.
Responsible for the setup, operation, maintenance, and reliability of databases supporting IT service operations and ITSM processes. This includes ensuring stability, performance, security, and compliance for operational tooling and reporting databases.
Lead the PSA process for critical IoT application systems and ensure all security and privacy documentation is completed. Coordinate with security auditors and workers councils to maintain system approvals and provide security guidance to development teams.
Handle technical inquiries via hotline and email while creating high-quality solution designs and offers for fixed-network business. Support revenue security and provide coaching to employees and teams across various segments.
Lead the PSA process for critical IoT application systems, ensuring all documentation and SOC responses are completed. Coordinate with security auditors and workers councils to maintain system approvals and provide security guidance to development teams.
Design, deploy, and manage cloud infrastructure on Microsoft Azure using Infrastructure as Code and automation-first principles. Build and optimize CI/CD pipelines while collaborating with development and security teams to streamline release processes.
Design, deploy, and manage cloud infrastructure on Microsoft Azure using Infrastructure as Code and automation-first principles. Build and optimize CI/CD pipelines while collaborating with development and security teams to streamline release processes.
Design, deploy, and manage cloud infrastructure on Microsoft Azure using Infrastructure as Code and automation-first principles. Build and optimize CI/CD pipelines while collaborating with development, QA, and security teams to streamline release processes.
Manage sales opportunities and leads within Salesforce while supporting the sales organization throughout the opportunity lifecycle. Handle commercial calculations, pricing sheets, and the coordination of bid activities and tender portals.
The role involves coordinating test data management, planning test projects, and managing defects within JIRA. The manager will act as a central contact for specialist departments to ensure the availability of test platforms and successful E2E test execution.
Conduct fraud risk assessments for new products, rates, and services to identify vulnerabilities and implement mitigation measures. Coordinate with stakeholders to develop internal security requirements and govern the security assessment process.
The Cloud Engineer will design and maintain public cloud architectures while ensuring high availability and disaster recovery. They are responsible for automating infrastructure deployments and implementing security measures to protect cloud workloads.
You will clarify requirements and adapt software for products and services, including programming, installation, configuration, and administration. Additionally, you will create and maintain software documentation and contribute to test automation and execution.
