intern internship English-speaking jobs in Santander

About The Job Murzilli Consulting is a digital aviation consultancy firm founded in 2020 by Lorenzo Murzilli and based in Switzerland, with further subsidiaries in Germany, Spain, Hungary, and the United Kingdom. Our organisation is committed to helping clients succeed with their regulation and compliance strategies.

QA Manager needed to establish quality strategy, oversee testing of checkout funnels and integrations, and lead automation efforts. Requires 9 years QA experience, 5 years leading eCommerce teams, and proficiency with SFCC, Cypress, Selenium, or Playwright. Strong API testing and analytical skills are essential. Fluency in Russian is highly valued.

This VIE position in the ODAMVC team at Airbus Cádiz focuses on R&T projects, new product industrializations, and linking the composite ecosystem with the plant. The role involves leading Co-Design/Co-Industrialization activities, defining the 'Detailed Build Process', and ensuring safe and robust operations.

Guesty seeks a User Acquisition Manager with 5+ years of experience in B2B SaaS user acquisition. Responsibilities include global budget allocation, full-funnel accountability, data and tech diagnostics, and cross-platform strategy development. The ideal candidate understands business logic over metrics, employs a scientific creative methodology, and possesses project management grit. Experience with Looker/SQL, AI process & tools, ABM, agency management, and remote autonomy is required.

Datacenter Network Technician will perform fiber testing, cabling, and installation. Support network and server teams with rack and stack, circuit migration, and maintenance. Conduct failure analysis, perform functional testing, and update IT ticketing systems. Experience with server provisioning, troubleshooting, and fiber optic testing is required.

Experienced UI/UX Lead to own design function for mobile tabletop-style casual games. Lead ideation, execution, and mentorship of UI/UX designers. Expert Figma skills and a strong mobile game UI portfolio required.

Supervises installation, commissioning, and maintenance of power transformers and GIS equipment. Provides on-site technical service, troubleshooting, and training. Manages returns, claims, and reports. Requires a degree in Electrical Engineering and 3-5 years of experience. Fluent English required, French or Italian a plus.

Senior Java Developer needed for a global technology organization. Design, build, and maintain high-performance applications. Collaborate with cross-functional teams and mentor junior developers.

Cint seeks a Senior BI Data Architect to lead the technical evolution of its data platform for a six-month fixed-term contract. This role involves designing and implementing a Databricks Lakehouse, migrating legacy SQL, and building the semantic layer for self-service analytics. Responsibilities include optimizing query performance, governing the Databricks compute footprint, and partnering with stakeholders to translate business questions into scalable data solutions.

System Integrator (Avionics) for international projects. Own electrical and electronic system integration of unmanned aerial systems, including wiring, electrical architecture, and physical integration. Design, improve wiring harnesses, and create electrical documentation. Plan and execute electrical testing and support system integration, ground, and flight testing.

Registered Nurse provides high-quality patient care, assists during surgical procedures, and ensures patient well-being. Responsibilities include pre- and post-operative care, medication administration, and maintaining a safe clinical environment.

Red Team Security Engineer to conduct penetration tests, vulnerability research, and threat modeling against a global cloud platform. Requires 5+ years in offensive security, advanced penetration testing certifications, and expertise in exploitation frameworks and scripting.

Develops account-specific narratives and executive-ready content for ABM programs across global strategic accounts. Translates complex themes into compelling messaging frameworks and storylines for multi-stakeholder audiences. Creates executive assets such as briefing documents, talking points, and value frameworks. Collaborates with agencies to ensure messaging coherence and storytelling quality.

Senior Backend Developer needed for a team developing apps for mobile, social, and online game platforms. Responsibilities include expanding features, performance optimizations, refactoring code, and debugging. Requires experience with .NET Core, C#, SQL, microservices, Kubernetes, and message brokers.

Account Executive to manage full sales cycle for SaaS contracts. Experience closing deals, managing pipeline, and delivering product demos required. Fluent French and strong communication skills essential. Remote position.

Supervises shift-based operations within a Network Control Center, ensuring service delivery, incident handling, and process adherence. Acts as an escalation point, supports team development, and ensures operational continuity.

Designs and develops advanced analytics, machine learning, and AI-assisted models to support cyber threat identification, prioritization, and investigation. Transforms large-scale security, threat intelligence, and telemetry data into actionable insights. Builds and maintains data-driven threat models. Collaborates with cyber threat hunters and detection teams to operationalize analytics. Communicates complex analytical outcomes clearly for technical and non-technical stakeholders.

DevOps Engineer needed to deploy, automate, and maintain databases on Kubernetes. Experience with Kubernetes operators, Helm charts, Ansible, and CI/CD pipelines required. Must have practical experience deploying and managing databases on Kubernetes (PostgreSQL, Elasticsearch, MySQL, MongoDB, etc.).

Growth Marketing Manager to own and optimize the full user journey for a mature, profitable B2B SaaS platform. Responsibilities include scaling paid and organic channels, executing ABM and LinkedIn Ads campaigns, and managing a team of freelancers. Requires 4+ years of B2B SaaS marketing experience, fluency in English, and expertise in GA4, Tag Manager, and attribution models.

Finance Specialist to review, validate, and create financial content for AI model training. Responsibilities include identifying errors, biases, and hallucinations in financial outputs, designing training datasets, and evaluating AI-generated financial responses. Requires a Bachelor's or Master's degree in Finance, Accounting, Economics, or a related field and strong understanding of core financial concepts.