intern internship English-speaking jobs in Cartagena

Lead the software testing strategy for mission-critical payload and embedded software, ensuring reliability and operational success. Define, develop, and execute testing methodologies, build automated testing frameworks, and lead a team of software validation engineers.

Lead the execution and operational strategy for an AI Platform empowering business professionals to make data-driven decisions. Manage the roadmap, define product logic, and build an evaluation framework to ensure AI outputs meet professional standards.

Lead and contribute to research projects focusing on wildfire behavior, including characterization, analysis, and modeling.

Leads quality assurance and control activities for generator manufacturing, ensuring products meet data center standards. Manages quality systems, drives continuous improvement, and acts as the primary quality interface with customers, auditors, and regulatory bodies.

Develops and executes sales strategies for corporate fleet accounts, builds and manages key client relationships, and ensures compliance with company policies and regulations.

Process Engineers needed for Oil & Gas projects. Design process flow diagrams, material and energy balances, piping and instrumentation diagrams, and equipment data sheets. Requires Chemical Engineering degree and 5-8 years of experience.

AI Engineer will design, build, and operate AI models for a health tech platform that transforms medical laboratory data into actionable clinical insights. Responsibilities include building model pipelines, integrating LLMs, developing APIs, and ensuring system reliability. Requires a computer science background, software engineering experience, and expertise in machine learning systems.

Senior Sales Executive to manage up to 14 high-profile Public Sector accounts in Spain. Responsibilities include developing sales pipelines, building client relationships, and driving revenue growth. Requires proven experience in Public Sector sales and understanding of API management, integration, and IAM technologies.

Velto Renewables seeks an ESG & Communication Coordinator to develop and implement sustainability strategy, focusing on decarbonization, environmental stewardship, and governance. The role will lead ESG initiatives, coordinate internal compliance activities, and manage external consultants. Strong communication, analytical, and project management skills are required.

PR Trainee to support UK brand presence. Responsibilities include influencer research, gifting, press coordination, event execution, and writing press releases. Must have strong UK market understanding, native or near-native English, and excellent communication skills.

Software Automation Engineer provides technical support for vision and automation systems, troubleshooting and repairing systems for serialization and packaging projects in the pharmaceutical industry.

EU Business School seeks a Senior Career Services & Talent Development Officer for a temporary position. This role oversees internship program management, student support, partner engagement, and event coordination.

The B2B Campaign Manager will manage and deliver integrated B2B marketing campaigns across digital, performance, telemarketing, and client events. This role requires 3-4 years of experience as a Campaign Manager, preferably within a B2B marketing or digital agency, and fluency in Spanish and English.

Account Manager to manage OPPO's 1P business with Amazon EU. Responsibilities include business negotiation, PO processing, order fulfillment coordination, and collaborating with Amazon teams. Requires 3-5 years of 1P eCommerce experience, strong data analysis skills, and fluency in Spanish and English.

Sales Specialist to manage logistics sales, acquire new customers, and coordinate operational processes for road, sea, and/or air transportation.

Experienced freelance Clinical Research Nurses needed for an Acute Ischaemic Stroke study. Conduct patient visits, perform procedures, process samples, and document activities. Must have 3+ years nursing experience, 1+ year acute clinical experience, and a valid GCP certificate. Previous clinical trial experience preferred.

Logistics Coordinator will manage and support logistics execution from Europe to Central Asia and/or from the Far East to Central Asia. Responsibilities include communicating with the client's logistics team, preparing logistics documentation, and assisting with dispute resolution.

Marketing Account Manager Intern supports client performance through report analysis and process improvement recommendations. Manages new client onboarding. Requires native Turkish fluency, professional English (C1 level), and conversational Spanish.

SAP EWM Consultant needed for an 11-month contract with a pharmaceutical client in Madrid. Must have 3+ years of experience in SAP EWM implementations, design, configuration, and support. Proven experience in S/4HANA deployments is required.

Manages and optimizes purchasing activities for HVAC products, ensuring efficient supply, cost competitiveness, and quality. Negotiates with suppliers, monitors market trends, and controls inventory. Requires a Bachelor's degree, experience in procurement, fluency in Spanish and English, and advanced Excel skills.