Deutsche Telekom IT Solutions Slovakia

Designer

• Analyze data infrastructure
• Design robust data solutions
• Translate requirements into actionable technical specifications
• Lead international collaboration
• Plan migrations for new data architectures on GCP
• Ensure quality through testing
• Resolve complex data-related issues
• Support presales and implementation

Data Solution Designer – GCP, Google Cloud Platform

Cloud Engineer

• Design and evolve the enterprise Azure Lakehouse architecture, ensuring scalability, performance, and long-term sustainability.
• Lead the transformation of classic Data Warehouse environments into modern Lakehouse and Delta Lake-based architectures.
• Take architectural ownership from concept through implementation, production rollout, and continuous optimization.
• Define and implement architecture principles, standards, patterns, and best practices for data engineering and analytics platforms.
• Design and oversee data ingestion, processing, and streaming pipelines using Azure Databricks, Azure Data Factory, Event Hub, and Azure Logic Apps.
• Build and optimize data processing solutions using Delta Lake, Spark, Spark Structured Streaming, SQL, and Python.
• Define data modeling strategies across data lake and warehouse layers, applying Kimball, Inmon, and Data Vault methodologies.
• Collaborate with engineering teams to implement reference architectures, prototypes, and proof-of-concepts.
• Enable and coach data engineering teams toward autonomous, high-quality solution development.
• Ensure platform designs comply with enterprise security, data protection, and regulatory requirements.
• Support advanced analytics, self-service BI, and reporting use cases across the organization.
• Work closely with product owners, architects, governance, and business stakeholders in agile delivery environments.
• Contribute to continuous improvement of platform architecture, development processes, and operating models.

Cloud Architect – Data, Azure, Power BI Solution Expert

Technical Project Manager

• Lead technical project management for BI and Azure Data Platform initiatives
• Act as a proxy Product Owner
• Coordinate delivery across business stakeholders, self-service BI teams, and central platform engineering
• Manage dependencies, timelines, risks, and deliverables
• Apply agile delivery frameworks while integrating traditional project management practices
• Support teams in the use of Microsoft BI and Power Platform solutions
• Ensure alignment with Azure Cloud & Data architecture
• Oversee incident and operational management
• Ensure service stability, minimal disruption, and continuous improvement of the BI platform
• Enforce enterprise governance, security, and compliance standards
• Coach teams on self-service BI best practices
• Facilitate stakeholder alignment, expectation management, and decision-making
• Maintain transparency through structured reporting and documentation

Manager

• Coordinate communication with all involved parties (i.e. Dynamic platform services, Service delivery manager, Development, customer, Telekom IT application operation, etc.) of the application
• Overlook quality aspects of operation (performance, availability, stability, security)
• Perform verification of critical business impact during incidents (major incidents calls, operational stability calls)
• Responsible for quality assurance in terms of defined key performance indicators according to service level agreement
• Plan provision of resources incl. order process management
• Prepare rules and regulations for operating processes (incident/change/problem management)
• Ensure the use of CITSD-compliant software
• Bear commercial responsibility for budget- plan and monitor budget
• Make commercial assessment of actual, planned and forecast figures based on technical concept regulations
• Organize and lead application expert group or similar service meetings
• Plan and steer deployment installations
• Coordinate Release Container with all stakeholders
• Coordinate und perform “Antest” of the deployments after Release Container
• Submit operational interests in D2O- demand to operation and D2S-demand to solution
• Update application-related data in SACM systems (CAPE, Darwin)
• Support Risk and Escalation Management
• Report and monitor PRIO1 issues
• On Call duty support

Application & System Manager, German

DevOps Engineer

• Consulting complex delivery organization in order to get effective value delivery for the business
• Consulting IT architecture and IT solution of SW projects including design and development of concepts
• Designing, developing and continuously optimizing Continuous Integration and delivery processes according project needs
• Depending on delivery organization needs taking over responsibility for maintenance & support of enhancement of the pipeline
• Development of continuous automation tasks within SW Lifecycle Phases to improve process efficiency
• Transfer and foster of DevOps knowledge and culture to team and project members
• Evaluation, integration & operation of new technologies & tools in order to innovate topics and concepts
• Design and integration of IT security and safety concepts and techniques
• Consulting of infrastructure compliance, requirements and best practices

DevOps Engineer, Golang – Open Sovereign Cloud

Backend Engineer

• Continuous development and enhancement of the IPLS-ROT application
• Implementation of changes across multiple small but diverse functional areas
• Backend development within an existing system architecture
• Solution design at component and feature level
• Technical consulting and advisory support for business stakeholders
• Collaboration with cross-functional teams in an agile environment
• Contribution to documentation and overall system understanding

Senior Backend Developer – German

• Continuously develop and enhance the VIS-Tool application in an agile environment.
• Design and implement modular extensions to automate order request processes (Abrufaufträge) in the CVS/CPS landscape.
• Replace manual, Excel-based workflows with scalable, web-based solutions.
• Implement functional changes across multiple application modules.
• Develop backend and frontend components using Java, JavaScript, and SQL with Oracle databases.
• Design technical solutions at module and component level within existing system architectures.
• Integrate VIS-Tool with internal microservices, contract systems, and master data sources.
• Provide technical consulting and advisory support to business stakeholders.
• Collaborate closely with developers, analysts, and business teams in cross-functional agile setups.
• Contribute to technical documentation and overall system transparency.
• Support the stability, maintainability, and continuous improvement of the application.

Senior Fullstack Developer, Java, JavaScript

• Design, implement, and operate Microsoft Power Platform solutions including Power BI, Power Apps, Power Automate, and SharePoint Online in alignment with enterprise standards.
• Act as the technical bridge between Self-Service BI teams and governed Azure Lakehouse backends, enabling secure and reliable analytics solutions.
• Configure and manage Power BI Service and Desktop environments, including workspaces, datasets, gateways, refresh schedules, and capacity planning.
• Establish and enforce governance, security, and lifecycle management standards across Power Platform solutions, covering access control, privacy, and compliance requirements.
• Integrate Power Platform solutions with Cloud Data & Analytics services such as Azure Data Factory, Databricks, dbt, and CDC frameworks.
• Manage identity and access using Azure AD / Entra ID, RBAC, service principals, and secure data connections.
• Monitor platform usage, performance, cost efficiency, and data reliability, proactively identifying optimization opportunities.
• Diagnose and resolve platform incidents in collaboration with engineering, governance, and operations teams.
• Manage and optimize data refresh cycles to ensure trusted and consistent analytics outputs.
• Develop and maintain platform documentation, operational playbooks, and governance guidelines.
• Coach and enable self-service BI teams, translating complex technical concepts into clear, actionable guidance for non-technical stakeholders.
• Collaborate in agile, international environments (SAFe, Scrum) with cross-functional teams.
• Support audits, governance reviews, and enterprise BI compliance initiatives.
• Drive continuous improvement, automation, and operational excellence across the analytics platform.

Power Platform Cloud Developer, Cloud Data & Analytics

Cloud Architect – Data, Azure

SDET

• Design, implement, and execute automated and manual test cases for hub applications.
• Develop and maintain test automation using Java and Playwright.
• Identify, analyze, and report defects, ensuring accurate documentation and follow-up.
• Collaborate with cross-functional agile teams to ensure solutions meet business and technical requirements.
• Support software lifecycle management, quality assurance, and continuous improvement initiatives.
• Contribute to improving testing processes, increasing automation coverage, and maintaining test documentation.
• Work with tools such as Jira, SQL, and XML to support defect management, reporting, and test execution.
• Assist in knowledge transfer and training related to testing best practices within the team.

Senior QA Automation Engineer, E2E Test Automation

• Act as a technical lead within QA and test teams
• Oversee software and product testing
• Develop test strategies and documentation
• Identify defects and review QA reports
• Lead evaluation of test automation tools
• Transition from manual to automated testing
• Define and update company quality standards
• Set up continuous integration within CI/CD pipelines
• Ensure released products meet quality standards

Senior QA Automation Engineer

Business Intelligence Developer

• Design, develop, and maintain enterprise Data Warehouse and BI solutions from concept through production and support.
• Take end-to-end ownership of BI solutions, leading implementation, deployment, and continuous improvement.
• Develop advanced SQL solutions on Microsoft SQL Server, including performance-optimized queries and data models.
• Translate business requirements into scalable, maintainable, and secure BI architectures.
• Implement and continuously enhance security, access control, and data protection concepts within BI solutions.
• Drive solution optimization initiatives, improving performance, reliability, and maintainability.
• Supervise acceptance testing and ensure high-quality delivery standards are met.
• Oversee end-user support and operational stability, ensuring reliable production systems.
• Act as a senior technical leader within the CDI Hub, providing guidance, mentoring, and knowledge sharing for junior developers.
• Collaborate closely with other engineers, analysts, and stakeholders to solve complex data challenges.
• Work in an agile development environment, actively managing backlog, tasks, and delivery using Jira.
• Contribute to continuous improvement of development standards, best practices, and ways of working.
• Support solution design and architectural discussions as a senior BI expert.

Senior BI Engineer, Microsoft

Engineer

• Operate and support Azure-based infrastructure and Rubrik backup solutions.
• Manage and resolve incidents, changes, and problem tickets related to Azure and Rubik environments.
• Participate in solution design, implementation, and optimization activities.
• Contribute to continuous service improvements and automation initiatives.
• Collaborate with cross-functional teams to ensure stable and secure operations.
• Actively learn and develop skills in Rubik and Azure technologies to enhance team capabilities.
• Work independently or as part of the Storage & Backup team to implement and maintain backup and storage solutions.
• Ensure adherence to security, compliance, and operational best practices in the Azure environment.
• Support deployments and configuration management across hybrid or multi-cloud infrastructures.

Senior ICT Engineer

• Administration, operation, and maintenance of MariaDB database environments
• Design, implementation, and optimization of MariaDB architectures
• Planning and executing installations, upgrades, migrations, and patching of MariaDB instances
• Monitoring database performance and tuning queries, indexes, and configurations
• Implementing and maintaining backup & recovery strategies
• Troubleshooting database issues and ensuring high availability and optimal performance of MariaDB systems
• Collaborating closely with development, infrastructure, and operations teams

ICT Engineer – MariaDB Expert

• Operate, maintain, and troubleshoot network infrastructure (2nd level support)
• Ensure smooth operations in line with critical infrastructure (KRITIS) requirements
• Handle incident, change, and problem management tickets
• Continuously improve the reliability and security of network services
• Collaborate with customers, vendors, and internal teams on implementation projects
• Support onboarding, training, and documentation for new technologies