Role Description We are looking for a senior technical expert responsible for the design and implementation of assigned technologies, software deployment, and data center operations. Join the team at operational services GmbH within Deutsche Telekom IT Solutions Slovakia, offering opportunities for German- and English-speaking talents. OS is one of the leading ICT service providers in the German market, delivering modern and secure IT solutions, long-term operational support, and ensuring availability of critical business processes for medium-sized and enterprise customers. WHAT WILL YOU DO? - The team is responsible for operations in the data center, software deployment, and handling activities such as request/incident/change/problem tickets, as well as continuous improvements to services. - Work as part of the team or independently to implement and maintain solutions. Qualifications - Have at least 3 years of experience with the following: - Citrix Virtual Applications & Desktops (CVAD) - Citrix Netscaler - Citrix DaaS - Citrix PVS & MCS - Microsoft Windows Server - Remote Desktop Services - Scripting (e.g., Powershell) - Microsoft AVD - Nice-to-have skills: - VMware vSphere - FSLogix - Languages: - English - Upper Intermediate (B2) - German – Upper Intermediate (B2) - You are experienced in implementing IT solutions. - You bring a hands-on mentality. You are organized in planning implementation steps and align with all relevant stakeholders. - You are a team player. - Possible specialization: Participation on on-call duties, independent solving and troubleshooting of incidents and errors within defined expertise. Benefits - We believe in balance between work and personal life. - An attractive and extensive work-life balance portfolio guarantees lasting motivation for employees and thus a better quality of life, promotes physical and mental well-being and contributes to a positive work environment. - Over 25 different benefits to improve personal and professional life in these areas: - Financial benefits - Benefits with focus on learning and development - Benefits with focus on health and sport - Benefits with focus on family and work-life balance - Other benefits Salary Final salary is negotiable. We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary, we provide variable part and other financial benefits. Base salary will not be lower than 1850€ /brutto. Additional Information Please be informed that our remote working possibility is only available within Slovakia due to European taxation regulation. Location: Remote from Slovakia Company: Deutsche Telekom System Solutions Slovakia Language: English Job category: Technical positions

Role Description As a member of our team, you will directly improve health outcomes by connecting people with the care, pharmacy benefits, data, and resources they need to feel their best. You will enjoy the flexibility to telecommute from anywhere within the U.S. as you take on some tough challenges. - Analyze and break down software requirements and technical specifications to create and execute test cases. - Ability to write test cases in Jira and conduct testing. - Test the product and drive resolution of defects. - Develop and maintain automated test scripts (as needed) using industry-standard automation tools, such as Selenium, to ensure efficient and accurate testing. - Build a risk-based test plan focusing on business-critical flows, edge cases, and negative scenarios. - Execute automated test scripts and report any defects or issues found during testing. Qualifications - Bachelor's degree in Engineering, Computer Science, related subject or equivalent experience. - 5+ years of functional testing experience. - 5+ years of experience with SQL querying. - 3+ years of proven experience in automation testing, with a strong understanding of test methodologies and best practices. - 2+ years of experience in testing for batch processing and UNIX/Linux environments, including validating job scheduling, file handling, scripting and troubleshooting in production environments to ensure process integrity and operation efficiency. - 2+ years of experience with Azure. - 1+ years of experience in extracting and managing test data based on project requirements, perform definitive testing and write appropriate test cases. - 1+ years of experience in REST API Testing using Postman. - 6+ months of experience in QA Testing with IBM Transformation Extender (WTX) maps, including designing, developing, executing test cases, and maintaining map solutions to ensure data accuracy and compliance. - 6+ months of experience in testing with Tivoli Workload Scheduler (TWS) / IBM Workload Scheduler, including validating job scheduling processes, monitoring batch jobs, and troubleshooting scheduling issues to ensure reliable and efficient workload automation. Requirements - 3+ years of experience working within the healthcare payments domain, including claims payment and remittance processing. - 3+ years of experience in using automation tools such as Selenium, Cucumber, or similar frameworks. - 2+ years of experience with payment industry standards, protocols, and security best practices, including data protection and compliance requirements. - Experience collaborating with onshore and offshore teams to support deployments, resolve deployment related issues, and ensure adherence to release governance processes. - 835 file expertise/knowledge, test file creation, payment processing. Benefits - Comprehensive benefits package. - Incentive and recognition programs. - Equity stock purchase. - 401k contribution (all benefits are subject to eligibility requirements).

Role Description We are looking for a senior technical expert responsible for the design, implementation, and operation of Azure local / on-premises and hybrid cloud solutions. The candidate will play a key role in supporting and optimizing on-premises and hybrid Azure environments, ensuring high availability, security, and performance of services. Join the team at operational services GmbH within Deutsche Telekom IT Solutions Slovakia, offering opportunities for German- and English-speaking talents in Slovakia. OS is one of the leading ICT service providers in the German market and is considered the backbone of digitalization for medium-sized companies. With nearly 1,300 highly qualified employees, OS develops and operates state-of-the-art IT systems, ensures long-term system support, and maintains the availability of critical business processes. WHAT WILL YOU DO? - Operate, maintain, and troubleshoot Azure local/on-premises infrastructure (2nd / 3rd level support). - Ensure smooth operations and security of on-prem and hybrid cloud services in line with enterprise standards. - Handle incident, change, and problem management tickets related to Azure local environments. - Continuously improve the reliability, performance, and security of on-prem and hybrid Azure solutions. - Collaborate with customers, vendors, and internal teams on local/hybrid cloud implementation projects. - Support onboarding, training, and documentation for new Azure technologies. - Participate in solution design, automation, and optimization initiatives. - Work independently or as part of the team to implement and maintain secure Azure local/hybrid solutions. - Deploy and manage Azure Stack, Virtual Networks, Storage Accounts, VMs, Azure Active Directory, and RBAC in on-prem or hybrid environments. - Perform on-premises and hybrid cloud infrastructure configuration, management, and optimization. - Conduct manufacturer/vendor training to maintain up-to-date expertise. - Provide support and consultation for hybrid or multi-cloud deployments. Qualifications - At least 2–3 years of experience in cloud and infrastructure operations, including: - 2nd / 3rd Level Support knowledge in Azure local / hybrid environments. - Experience with Azure Storage, VMs, Networking, Active Directory, RBAC, and security governance. - Hands-on experience with scripting / automation (PowerShell, Azure CLI, Terraform) – advantage. - ITIL knowledge for incident/change/problem management. - Understanding of hybrid infrastructure and on-prem/cloud integration. - Strong analytical and troubleshooting skills. - Desired Certifications: - Microsoft Certified: Azure Administrator Associate (AZ-104). - Microsoft Certified: Azure Solutions Architect (AZ-305) – advantage. - ITIL Foundation – advantage. - Languages: - English – Upper Intermediate (B2). - German – Advantage (Nice to have). - Other Criteria / Requirements: - Strong hands-on mentality, structured in planning and execution. - Experience in implementing Azure local/hybrid solutions in critical environments. - Strong team player with the ability to work independently. - Willingness to continuously learn and develop Azure and hybrid cloud competencies. Benefits - We believe in balance between work and personal life. - An attractive and extensive work-life balance portfolio guarantees lasting motivation for employees and thus a better quality of life. - Promotes physical and mental well-being and contributes to a positive work environment. - Offers over 25 different benefits to improve personal and professional life in various areas: - Financial benefits. - Benefits with focus on learning and development. - Benefits with focus on health and sport. - Benefits with focus on family and work-life balance. - Other benefits. Salary Final salary is negotiable. We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary, we provide variable part and other financial benefits. Base salary will not be lower than 1850€ /brutto. Additional Information - Remote working possibility is only available within Slovakia due to European taxation regulation. - Location: Remote from Slovakia. - Company: Deutsche Telekom System Solutions Slovakia. - Language: English. - Job category: Technical positions.

Role Description Key Responsibilities: - Administration and operation of VMware vSphere environment (ESXi, vCenter) - Monitoring, troubleshooting, and performance optimization of virtual infrastructure - Management of virtual machines lifecycle (provisioning, maintenance, decommissioning) - Backup and recovery support (e.g. Veeam or similar tools) - Patch management and upgrades of VMware components - Incident and problem resolution (2nd / 3rd level support) - Documentation of procedures and configurations - Collaboration with infrastructure, network, and security teams - Support of projects related to virtualization and datacenter technologies - Nutanix knowledge is not required at the start; onboarding and training will be provided, after training responsibilities will be: - Implementation, administration, and migration of Nutanix cloud infrastructures (AOS, AHV virtualization, AOS storage, virtual networking, NDK, etc.) - Implementation and administration of Nutanix Prism - Scripting with PowerShell, Bash, REST APIs, Ansible, or Terraform - Leading the automation and standardization of operational workflows using appropriate scripts - Planning, design, and execution of commissioning and operation of complex systems - Handling and execution of complex tasks and assignments - Participation in the preparation of decision papers and technical concepts - Installation and maintenance of tools - Development and planning of service concepts - Management and coordination of order processing - Ensuring agreed service levels - Creation and maintenance of documentation Qualifications - Have Master’s or diploma degree with relevant professional experience, or comparable knowledge and skills - Have at least five years of professional experience, including a minimum of three years in IT administration - Strong hands-on experience with VMware vSphere (ESXi, vCenter) - Good understanding of virtualization concepts and datacenter operations - Experience with: - Storage (SAN / NAS) - Networking basics (VLANs, routing, firewalls) - Knowledge of backup solutions (Veeam, Commvault, etc.) - Experience with Windows and/or Linux environments - Ability to troubleshoot complex infrastructure issues - Experience with Nutanix is an advantage; training will be provided. Huge plus is strong experience with Nutanix AOS, AHV, Prism, LCM and experience with storage containers, protection domains, snapshots, replication, performance analysis, and troubleshooting - Are good with Microsoft Windows and Linux infrastructures, as well as central services (AD, DNS, DHCP, file services, etc.) - Have strong experience with PowerShell, Bash, REST APIs, Ansible, Terraform, and scripting - Customer-oriented mindset and approach - Analytical, systematic, and structured working style - High degree of flexibility, resilience, and willingness to perform - Speak English on Upper Intermediate (B2) level and have strong communication skills - Excellent technical expertise in the relevant field and good knowledge of related technologies - High level of cooperation, teamwork, and conflict resolution skills - ITIL Foundation certification Benefits - Financial benefits - Benefits with focus on learning and development - Benefits with focus on health and sport - Benefits with focus on family and work – life balance - Other benefits Salary Final salary is negotiable. We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary we provide variable part and other financial benefits. Base salary will not be lower than 1300€ /brutto. Additional Information Please be informed that our remote working possibility is only available within Slovakia due to European taxation regulation. Location: Kosice Company: Deutsche Telekom System Solutions Slovakia Language: English Job category: Technical positions