intern internship English-speaking jobs in Cartagena

The Programme & Content Manager leads the planning, coordination, and delivery of WTTC's written and narrative content, ensuring clarity, consistency, and strategic alignment. The role involves managing complex content workflows, collaborating with senior stakeholders, and delivering high-quality outputs such as speeches, reports, and thought leadership materials.

The Process Data Analyst supports biosimilar development programs through advanced data evaluation using statistical methodologies. This role involves analyzing, interpreting, and visualizing data to identify process variables impacting production yield and product quality. The ideal candidate will have a Bachelor's degree in a relevant field, +3 years of statistical expertise, and proficiency in statistical packages like Minitab, SPSS, and Python.

FP&A Manager needed to lead financial planning, budgeting, and forecasting for a fast-growing technology group. This role focuses on post-merger integration, financial process standardization, and performance tracking across multiple business units. Requires 5+ years of FP&A experience, including company integrations, and proficiency in financial modeling and Excel.

Designs and implements software solutions for satellite operations, including mission control, flight dynamics, and mission simulators. Requires 5+ years of experience in satellite ground segment solutions and 8+ years in software engineering. Expertise in C++, Python, and cloud-based back-end development is essential.

Senior Salesforce Developer to analyze requirements, design projects, and develop solutions on Sales Cloud and/or Service Cloud. Requires 3+ years of experience as a Salesforce Developer and knowledge of development technologies (APEX, Visualforce, LWC, migration tools, SOQL, web services). Excellent English skills are required.

Ayesa seeks a Junior Project Manager & Business Developer to manage and coordinate opportunities and bids, and project management for transport infrastructure projects in Europe, Middle East, Asia & Africa. Responsibilities include market research, bid management, contract and financial management, and project scheduling.

Experienced Application Security Consultant needed for long-term contract. Focus on WAF, Layer 7 security, and application performance in large enterprise environments. Requires 5+ years in customer-facing roles with strong networking and WAF experience.

Experienced JavaScript Engineer to design, develop, and maintain applications. Requires 4+ years of JavaScript experience, strong SQL knowledge, and proven experience with Atlassian Jira in agile environments.

Postdoctoral Researcher to conduct finite element simulations of thermal segments in an energy storage system. Validate simulations through laboratory work and collaborate with manufacturers and research institutions. Produce reports and scientific articles. PhD in a relevant field and experience with finite element simulations required.

Solutions Architect needed for complex, large-scale IT projects. Requires senior experience in solution architecture, cloud platforms (AWS, Azure), integration architectures, and API paradigms. Must have strong communication and documentation skills.

Senior Systems Engineer will design and deploy compute, storage, and platform infrastructure for a software-defined network. Responsibilities include managing Kubernetes clusters, architecting storage systems, and implementing core services. Must have 5+ years of experience in systems engineering, strong Linux administration skills, and Kubernetes administration experience.

A Planning and Performance Manager is needed to define and implement a unified financial planning and management strategy across the region. This role will provide financial management information, conduct economic analyses, lead budgeting and forecasting, and drive continuous improvement initiatives.

Network & Infrastructure Engineer needed to manage network infrastructure, virtual environments, and server systems. Responsibilities include network device configuration, VMware platform support, server maintenance, and security monitoring. Requires strong understanding of network protocols, virtualization tools, and server technologies.

As the primary customer contact in Spain, this role ensures a seamless customer experience through onboarding, order management, and ongoing support. You will collaborate with internal departments to address customer needs and contribute to process improvement.

HR Business Partner with 2-3 years of talent acquisition experience needed to support the development and implementation of HR strategy. Responsibilities include talent acquisition, employer branding, and managing employee lifecycle processes. Must have fluency in Spanish and English.

Health & Safety Specialist to support European and Indian operations. Experience in transport, logistics, warehousing, freight forwarding, or industrial settings required. Degree in Occupational Health & Safety, Environmental/Industrial Engineering, or similar. Fluent English.

As a Senior Account Manager, you will secure new customer wins for Cloud, maximize up-sell and cross-sell opportunities, and actively monitor pipeline progress. You will collaborate with Sales Agents, Solution Specialists, client sales teams, and channel partners.

Quality Engineer will design, implement, and maintain automated tests in an agile SCRUM environment. Promote a "quality-first" mindset and collaborate with the team to improve software quality. Requires 3-5 years of experience in software quality, automation tools (e.g., Selenium, JUnit, TestComplete), and CI/CD processes.

Exclusive commercialization of a high-end new development project from pre-sales to deal closure. Expert advisory to HNWI and international investors throughout the decision-making process. Management and follow-up of qualified leads and negotiation of commercial terms.

Senior Commercial Finance Manager will lead the development and execution of pricing and Revenue Growth Management strategies to drive sustainable revenue growth and profitability across the Iberia cluster. Responsibilities include leading a team, developing financial forecasts, and providing insights to support strategic decision-making.