926 English-speaking jobs in Madrid

The Transition Manager ensures operational, engineering, and compliance requirements are met before handing over new customer services in a large-scale data center. This role plans and executes transitions, integrates services, tracks progress, and manages stakeholder communication.

Network Engineer Expert to design, implement, and maintain complex network infrastructure. Responsibilities include network performance analysis, device configuration, issue resolution, documentation, and security. Requires experience with NSX-T, Terraform, Python, and network protocols. CCNP or JNCIA certifications are desirable.

Provides end user support, monitors tickets, and installs/configures devices. Manages printers, performs equipment moves, and analyzes technology needs. Participates in projects and supports mobile devices and warehouse management systems.

Software Engineer for Planetary Space Missions will develop functionalities for a mission planning application using C++ and CMake. Maintain and implement Jenkins pipelines for automated service administration. Support multiple projects, adapting to diverse business requirements and technical stacks. Contribute to technical analysis, project planning, and documentation. Maintain backend services based on Java Spring Boot, Solr, Tomcat, and PostgreSQL.

The ACS Squad within Deutsche Telekom Technik GmbH is seeking a motivated engineer to join their team. The team is responsible for the full lifecycle of critical IMS components, including the development of a new AI Calling system. The role requires experience with cloud-native technologies, Kubernetes, IMS architectures, and CI/CD pipelines. Familiarity with real-time systems, SIP debugging tools, and scripting languages is also necessary.

T-Systems seeks an ACS Security Engineer to join the Voice & Messaging (T-VM) organizational unit. The role involves full lifecycle responsibility for critical IMS components within DT Technik, including IMS-MRF, OneiDNS, and VoIP Support Systems. The team operates as a DevOps unit, focusing on design, engineering, deployment, and operation. A key project is the development of a new AI Calling system built on DT Technik's CaaS Kubernetes platform.

T-Systems is seeking a motivated engineer to join the ACS Squad, responsible for critical IMS components within DT Technik. The team focuses on the full lifecycle of IMS components, including design, engineering, deployment, and operation. The role involves working on a new AI Calling system built on DT Technik's CaaS Kubernetes platform, enabling real-time speech processing and translation within IMS call flows.

Product Owner to join an international telecom infrastructure environment. Collaborate with business teams and developers to deliver new features and improvements in an Agile environment. Manage product backlog, participate in Agile ceremonies, and support production releases.

Information Security Professional will contribute to customer projects and internal security strategy development. Responsibilities include developing security guidelines, managing risks, and implementing an information security management system. Requires experience in information security, IT security consulting, and knowledge of standards like ISO 27001 and NIS/NIS2.

Senior Expert Information Security develops and maintains security guidelines, manages risks, and implements information security management systems. Provides strategic customer consulting on IT security architectures and supports compliance with legal requirements. Requires experience in information security consulting, project management, and security concept development.

A leading European airline group seeks a Principal Enterprise Architect to define and lead the enterprise architecture strategy for Operations and Backoffice domains. This role will drive modernization initiatives, cloud adoption, and scalable platform strategies.

Provides day-to-day local/remote desktop support, troubleshooting hardware, software, and application issues. Resolves customer issues, documents steps taken, and maintains ticket updates. Installs, upgrades, and supports Windows operating systems, Microsoft Office, and other authorized applications. Requires 2-3 years of Windows desktop support experience, CompTIA A+, and Microsoft Certified Professional (MCP) or equivalent.

This role strengthens cyber defense capabilities by generating actionable threat intelligence. The Senior Analyst identifies, analyzes, and communicates emerging threats, including adversary behaviors, malware, and infrastructure. The position requires experience in cyber threat intelligence analysis, threat actor tracking, and C2 infrastructure analysis.

Founding Engineer to build a conversational AI platform for enterprise customers. Shape the technical architecture, work with founders, and iterate toward product market fit. Experience with Python, FastAPI, PostgreSQL, React, and AI tooling is required.

Lead technology and data projects in the Financial Crime domain. Experience in Financial Crime data migration, Transaction Monitoring, and regulatory controls. Strong end-to-end delivery capabilities across complex initiatives. Coordinate multidisciplinary teams, manage dependencies, and work with stakeholders.

Coordinates, schedules, and supervises the daily activities of stateroom and public area housekeeping. Directs, coaches, and evaluates staff performance. Manages staff assignments and ensures quality standards are met. Responds to guest concerns and resolves issues. Conducts inspections and training.

Lead a research group and drive high-impact R&D projects aligned with European innovation agendas. Design, plan, and execute research projects in advanced materials for air and water sustainability. Build and coordinate multidisciplinary consortia and prepare competitive proposals.

Lead a research group and drive high-impact R&D projects aligned with European innovation agendas. Design, plan, and execute research projects in advanced materials for air and water sustainability. Build and coordinate multidisciplinary consortia and prepare competitive proposals.

Lead a research group and drive high-impact R&D projects in sustainability, focusing on advanced materials for clean air, water treatment, and environmental decarbonization.

Lead a research group and drive high-impact R&D projects aligned with European innovation agendas. Design, plan, and execute research projects in advanced materials for air and water sustainability. Build and coordinate multidisciplinary consortia and prepare competitive proposals.