DevOps Engineer – Windows Infrastructure (REF5479D)

As Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries. DT-ITS recieved the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.

Department and Project

You will become part of Compost, the infrastructure product squad within the Infrastructure Services Tribe. Compost is responsible for providing and operating critical compute, storage, and platform services that underpin internal infrastructure components as well as mission-critical business applications.In this role, your primary focus will be on Windows-based infrastructure services, operated in cloud and hybrid environments, including AWS, while working in a squad that owns a broader infrastructure portfolio.You think in services and lifecycles, not just systems: from design and provisioning to stable operation, continuous improvement, and decommissioning.You embrace a DevOps mindset, combining operational responsibility with automation, standardization, and close collaboration across teams. Reliability, security, and operability are at the core of your daily work.

A key part of this role is not only to ensure stable operations, but also to drive forward unresolved topics in the Windows environment, reduce operational dependency on individual experts, and actively transfer knowledge to internal team members.

Main tasks

As a DevOps Engineer

• Operate, maintain, and continuously improve Windows Server environments in production and non-production
• Take end-to-end ownership of Windows virtual machines across their entire lifecycle
• Operate Windows-based services in AWS and hybrid infrastructure environments
• Perform patching, updates, and security hardening of Windows systems
• Analyze and resolve incidents and operational issues in a critical production environment
• Identify, structure, and actively work through existing open topics and operational backlog in the Windows environment
• Drive forward unresolved infrastructure topics independently and ensure tangible progress within the assignment period
• Automate recurring operational tasks and contribute to Infrastructure-as-Code based service provisioning
• Contribute to standardized infrastructure services consumed via Infrastructure-as-Code
• Collaborate closely with Linux, storage, container, cloud, and platform engineers within the squad
• Support platform services such as:• Virtual machines (Windows & RHEL)
• Storage services (block and NAS)
• Virtual workplaces

• Maintain documentation, operational procedures, and service standards
• Actively contribute to continuous improvements in stability, automation, and security
• Transfer knowledge to internal team members and support their upskilling in Windows-based infrastructure operations
• Reduce dependency on single experts by establishing transparency, documentation, and sustainable knowledge sharing
• Prepare a structured handover of open topics, solutions, and operational know-how to internal colleagues

Background and required skills:

• Bachelor or Master’s degree in the following areas: Computer science, Engineering, Information Technology, natural science, mathematics, business or equivalent work experience in IT
• 5+ years hands-on experience in Windows Server administration in operational or DevOps-oriented environments
• Solid knowledge of Windows patching, system hardening, and operational best practices
• Experience operating Windows workloads in cloud and hybrid environments, ideally including AWS
• Strong troubleshooting skills in Windows-based infrastructure and operations contexts
• Experience with virtualized infrastructures
• Ability to independently take over, structure, and drive forward open operational topics
• Strong sense of ownership and responsibility for productive systems
• Structured, reliable, and service-oriented way of working
• Ability to document solutions and operational procedures in a clear and sustainable manner
• Experience in knowledge transfer, mentoring, or upskilling colleagues
• Strong team spirit and good communication skills in an international environment

Advantage:

• Experience with Infrastructure-as-Code or automation concepts
• Basic knowledge of Linux environments
• Experience with storage technologies such as block and NAS
• Hands-on experience with AWS services in an infrastructure or operations context
• Experience working in agile or squad-based organizations
• SAFe working environment knowledge

* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.