intern internship English-speaking jobs in Cartagena

Senior Purchasing Manager needed for large-scale Gigafactory construction project in Spain. Define procurement plans, develop commercial strategies, and manage contracts for construction services, engineering, and materials. Lead tendering processes, vendor selection, and negotiations. Manage contractual change orders, project-related negotiations, and vendor payments.

Partner Marketing Manager will manage commercial agreements with partners, own marketing relationships, and plan and execute campaigns across partner channels.

Senior Data Scientist / AI Engineer will design and maintain multi-agent architectures for security incident triage. Develop and refine machine learning models to assess and score incidents. Integrate and orchestrate tools and agents to automate the triage process. Collaborate with project teams and document system logic and workflows.

Senior Service Leader to oversee and continuously improve the delivery of global Security Services (Endpoint, Network, and Cloud) for Schneider Electric's R&D. Responsibilities include ensuring service quality, driving best practices, collaborating with stakeholders, and leading continuous improvement initiatives. Requires 5+ years of experience managing global IT services, strong communication skills, and proficiency in dashboards, KPIs, and SLA reporting.

The Senior Supply Planner ensures product availability, balancing cost, service level, and cash flow. Responsibilities include managing purchase orders, inventory levels, supplier relationships, and safety stock strategy. Requires 3+ years of planning experience, a master's degree, and fluency in English.

Senior .NET Software Engineer to design, architect, and develop scalable backend solutions using .NET technologies and cloud environments. Experience with distributed systems, microservices, and AWS is required.

Assists the Chef de Cuisine in daily kitchen operations, overseeing activities and leading the team in their absence. Supervises and trains staff, ensuring high performance and consistency. Ensures food quality and safety standards are met. Requires previous experience as a Sous Chef in a premium dining environment with expertise in Greek or Mediterranean cuisine.

Designs, implements, and productionizes AI systems for enterprise use cases. Focuses on building reliable AI workflows, developing experimentation frameworks, and optimizing language models.

Customer Service Representative provides administrative and customer support, ensuring customer satisfaction and timely order processing.

Leads operational lifecycle of connected services and digital features across EU markets. Manages digital feature launches, ensures operational readiness, and monitors key performance indicators. Collaborates with HQ teams on digital rollouts and supports dealer enablement initiatives. Requires 3+ years of experience in connected services, digital product operations, or automotive digital ecosystem roles.

Applus+ seeks a Digital Content & Social Media Trainee to support the Digital Content and Social Media Manager. The trainee will create, review, translate, and publish content for the global website, LinkedIn, and YouTube. Responsibilities include content analysis, video editing, graphic design, and social media management. The ideal candidate has excellent writing and communication skills in English and Spanish, a degree in Communication, Journalism, or Marketing, and experience in video production and editing.

AIOps Technical Delivery Lead will define, build, and scale AI and ML systems in production. This role involves leading a small team, ensuring AI-enabled services are reliable, observable, and cost-effective. Responsibilities include runtime lifecycle management, partnering with product teams, and acting as a technical authority for AIOps.

DSP Analyst will lead data-driven initiatives to improve profitability, service quality, and operational efficiency across Cainiao Iberia's last-mile delivery network. Responsibilities include network optimization, cost & performance analysis, process engineering, automation, and strategic insights. Requires a Bachelor's degree, proficiency in SQL and data visualization tools, and 2+ years of experience in logistics, e-commerce, or 3PL. Must be fluent in English and Spanish.

Receptionist needed to manage daily operations, provide exceptional customer service, and handle student inquiries and complaints. Responsibilities include check-in/check-out procedures, managing resident requests, and assisting with administrative tasks.

Scientia International seeks Scientific Ambassadors to promote open and multilingual publishing to academic communities. Ambassadors will present the company's model, disseminate calls for papers, and facilitate author engagement.

Provide technical customer support for a leading renewable energy company. Support Italian and English-speaking customers with photovoltaic systems, inverters, modules, monitoring systems, storage solutions, and e-mobility technologies.

Technical Applications Engineer for Polyurethane Viscoelastic Foam in Home Applications. Provide technical support, product validation, and customer service. Collaborate with sales and technical teams on new customer development and product improvement.

Marine Account Manager to develop and manage accounts in Spain, Portugal, Greece, Malta, Cyprus, Italy, the USA, Africa, KSA, and Egypt. Requires experience in the marine industry, account management, and business development. Must be Spanish national or have deep familiarity with Spanish culture.

Quantitative AI/ML Engineer to lead research, development, and deployment of advanced ML systems powering algorithmic trading strategies. Design predictive models, optimize trading logic, and ensure performance and explainability. Strong Python, data science, and ML framework experience required.

Experienced Information Architect needed for Pharma Commercial domain. Define enterprise information architecture, lead data modeling, metadata management, and master data strategy. Drive data standards, governance, and value realization across commercial data domains.