intern internship English-speaking jobs in Cartagena

Designs and delivers technical solutions for energy storage systems, including BESS, PCS, and EMS components. Analyzes customer requirements, evaluates technical feasibility, and prepares technical documentation and proposals. Collaborates with cross-functional teams and serves as a technical point of contact for customers.

Energy Consultant to manage client accounts, deliver energy management consulting services, and collaborate with project teams. Requires experience in energy consulting, supply, or strategic consultancy, strong client management skills, and proficiency in MS Office, CRM systems, and online consulting tools.

Senior Project Manager to lead medium to large-scale investment accounting & administration projects. Requires 10-15 years of experience managing multi-functional, multi-geography projects in financial institutions, including 3 years with scrum/agile methodology. PMP or similar certification and fluency in English are required.

Electrical Design Engineer will develop electrical specifications, oversee installations, and ensure compliance with standards like ABYC and ISO.

Senior Producer to oversee and lead the production of immersive experiences from concept to delivery. Manages project timelines, coordinates cross-functional teams, and ensures quality standards. Requires proven experience leading large, multidisciplinary projects, audiovisual production knowledge, and strong communication and leadership skills.

Project Manager to lead security and infrastructure software projects globally. Define scope, timelines, budgets, and risks. Coordinate cross-functional teams and ensure delivery of high-impact projects.

Senior Hardware Engineer with 5+ years of experience designing electronic circuits for industrial and consumer products. Leads junior engineers and participates in product industrialization, validation, and certification.

This unpaid internship offers a 10-week virtual experience focused on investment banking skills development. The program includes two weeks of intensive training led by industry experts covering financial modeling, valuation analysis, and research strategies. Interns then work on live projects with a Managing Director or Partner at a boutique investment bank partner for eight weeks.

Global Governance & Engagement Officer will shape and drive the future of corporate compliance and ethics. This senior role reports to the Chief Compliance Officer and partners with senior leadership to strengthen governance, embed ethics, and ensure alignment between culture, accountability, and performance.

Impress, a European direct-to-consumer teeth-aligner startup, seeks a Health & Safety Specialist. The role involves ensuring compliance with regulations across all Spanish locations, preparing risk evaluations and prevention plans, managing inspections and training, and collaborating on health and safety campaigns.

Shape the future of sustainable mobility as a Zero Emissions (ZE) Business Partner. Define and lead the business unit's ZE strategic roadmap, drive innovation, and ensure alignment with corporate objectives.

Leads UX vision, design quality, and visual consistency across B2C and B2B digital experiences. Responsible for defining and owning the global UX vision for RoyalQueenSeeds.com and related B2B platforms. Oversees design of B2B marketing and sales materials. Builds scalable processes between design, development, marketing, and B2B teams. Leads and mentors designers.

Lead and inspire a senior team in a successful maritime technology company. Develop and win new business opportunities, refresh commercial strategies, and champion a collaborative culture. Minimum 10 years of senior leadership and commercial success in maritime technology, superyacht, or related sectors required.

Power Electronics Design Engineer to design, develop, and qualify advanced power subsystems for spacecraft platforms. Responsibilities include schematic design, component selection, circuit simulation, and thermal/radiation analysis. Requires a Bachelor's or Master's degree in Electrical Engineering, Electronics, or related field and 3+ years of experience in power electronics design.

Senior Customer Success Manager will manage relationships with key customers, ensuring their success with the platform. Responsibilities include onboarding, training, issue resolution, and gathering feedback for product development. Must have 3+ years of experience as a Customer Success Manager, strong SaaS background, and fluency in English. Relocation to the Canary Islands is required.

Senior Electrical Designer to join a leading client in the Oil & Gas and Power Generation Industry. Fluent English required for national and international projects. Experience in FEED and detailed electrical design for power and oil & gas projects is essential. Solid knowledge of hazardous area classification and experience with SP3D, SmartSketch, MicroStation, and AutoCAD.

As a Sales Representative - Payments, you will generate new business and support existing clients by promoting Global Blue by Shift4's merchant servicing products, hardware, software, and professional services. Responsibilities include prospecting, setting appointments, closing deals, and building strong client relationships.

Provides operational support for the Cybersecurity Portfolio, standardizing processes, tracking resource allocation, and generating reports for executive oversight.

Board Advisor for sustainable, impactful startups. Provide strategic guidance, expertise, and fundraising support to pre-seed to Series A companies. Potential for investment. Part-time, remote role.

Junior In-House Multimedia Designer will create visual assets for a food biotech company. Responsibilities include developing print and digital content, motion graphics, and video. Requires proficiency in Adobe Creative Cloud and a degree in Multimedia or Graphic Design.