intern internship English-speaking jobs in Cartagena

Plans, designs, and supervises the conduct and reporting of clinical trials, primarily PK and BE studies, ensuring compliance with GCP and applicable regulations.

Senior UHT Specialist needed for a leading nutraceutical manufacturer. Design, develop, and optimize UHT and thermal processes for specialized nutrition products. Lead pilot trials, industrial validations, and scale-up activities. Provide technical support and ensure regulatory compliance.

Experienced waiters/front of house staff needed for a high-end Asian restaurant on Marbella's Golden Mile. Fluent English required, Spanish is a plus. Must be confident, friendly, and comfortable working with a high-end clientele.

Back Office Administrator to support sales and after-sales operations for a fast-growing real estate agency. Responsibilities include managing client data, preparing documents, coordinating transactions, and providing administrative support. Previous real estate administrative experience in the Costa del Sol is required.

Key Account Manager for Hospital Business in North West Spain (Asturias/Galicia). Reports to the Head of Generics Business in Spain. Drives sustainable access to medicines by partnering with hospital stakeholders. Promotes portfolio and future launches, negotiates agreements, and analyzes market opportunities. Requires secondary studies, expertise in selling generic medicines, and communication skills.

Provides technical support to GPI machinery customers, including spare parts ordering. Processes orders, searches technical data, and monitors part delivery. Creates spare parts lists and preventive maintenance programs. Requires technical drawing interpretation, CAD experience, and strong communication skills.

Project Engineer needed for a 6-month contract in Bilbao, Spain. Must have experience in water treatment and wastewater treatment plant projects, including design, commissioning, and start-up. Requires strong knowledge of P&IDs, electrical and automation drawings, and the ability to design pre-treatment, treatment, and post-treatment lines. Fluent in Spanish and English required.

NTT DATA seeks a Consulting Manager to drive finance transformation strategies for top-level companies. You will lead project delivery, manage teams, and contribute to practice development. Requires a Bachelor's degree, 5+ years of management consulting experience, and fluency in English and Spanish.

Master Data Management Specialist will support company plants with material and business partner master data requests in SAP and other systems. Responsibilities include maintaining data accuracy, acting as a point of contact for affiliates, and providing support for migration projects. Requires 3+ years of experience in master data materials & business partners, 4+ years of advanced SAP experience, and excellent communication skills.

Assists in ensuring products and processes meet quality requirements through inspections, testing, documentation, and continuous improvement across laboratories and production stages. Provides guidance to staff on quality policies, processes, and best practices. Oversees internal audit processes, competency assessment, training, and other quality processes. Participates in the inspection of incoming materials, in-line production, and final products. Collaborates with stakeholders to provide analysis support for quality-related issues. Ensures availability and proper operation of test equipment. Maintains the calibration schedule of laboratory equipment. Coordinates and supervises outsourced testing results.

Senior Optimization Scientist to design, develop, and implement optimization algorithms for a technology project in the aviation and travel sector. Will translate business needs into mathematical models and collaborate with cross-functional teams. Requires a Bachelor's or Master's degree in a related field and 3+ years of experience in optimization. Proficiency in Python and optimization libraries is essential.

NTT DATA Business Solutions seeks a Corporate Travel Agent with experience in a corporate travel environment (e.g., Amex GBT, BCD Travel, FCM). The ideal candidate will have several years of experience booking domestic and international travel, including flights, hotels, rental cars, and train tickets. Proficiency in Amadeus GDS (cryptic) and Concur Travel is required.

This Systems Engineer role focuses on owning and optimizing the global cloud infrastructure for N26. Responsibilities include system lifecycle management, automation, AI infrastructure provisioning, monitoring, and troubleshooting. The ideal candidate will have experience with AWS services, IaC, containerization, and DevOps practices.

The Globe English School seeks an on-site English Teacher to deliver engaging lessons to students of all ages and levels. Must have C2 English proficiency, teaching experience, and a relevant teaching qualification.

Experienced transport professional to lead and expand road and rail operations across Spain. Responsible for service delivery, operational efficiency, commercial growth, and team leadership. Requires 12+ years in land transportation, 7+ years leading teams, and fluency in Spanish and English.

Industrial Engineer to develop design and manufacturing structures, analyze technical issues, and design tooling. Experience in tolerances, surface finishes, welding specifications, and 3D CAD design tools is valued.

Sales Advisor needed for residential developments in Fuengirola-Mijas. Manage the full sales cycle, conduct property presentations, and provide excellent customer service. Proven sales experience, strong negotiation skills, and fluency in Spanish and English are required.

Supports the Network Ops team in the lifecycle of operations and network projects. Designs, develops, and manages project plans, engaging with stakeholders to understand business objectives and ensure delivery of commitments. Coordinates all aspects of projects from start to finish, including risk identification and resolution, progress communication, and product launch oversight.

The Communications Director will shape and lead Bioiberica's corporate communications strategy, overseeing both internal and external communications across three Business Units: Human Health, Animal Health, and Plant Health.

Leads the admissions process from inquiry to enrollment, developing recruitment strategies and managing a team to maximize conversion rates. Oversees offer letters, enrollment capacity, and campus tours. Analyzes data, manages team performance, and ensures compliance with policies and procedures.