intern internship English-speaking jobs in Cartagena

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.

Project Manager to lead and coordinate digital and Customer Success initiatives in Spain. Responsible for planning, executing, and rolling out IT and application-based projects aligned with the digital roadmap and Customer Success strategy.

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.

Freelance Junior Project Manager to lead project delivery activities across the full lifecycle of a landmark data center megaproject. Oversee day-to-day execution, ensuring alignment between engineering, construction, suppliers, and the client. Fluency in Spanish and English is essential.

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.

Launch Specialist will coordinate cross-functional teams to ensure successful product launches, managing timelines, milestones, and communication.

QA Automation Tester will build and maintain automated tests for web and APIs. Collaborate with developers and product teams to understand features and test needs. Improve test coverage and speed up release cycles. Track bugs, analyze failures, and help fix issues. Must have 3+ years of experience as a QA Automation Tester, Java, Selenium, Git, and fluent communication skills in English and Spanish.

Pylontech seeks a Business Development Manager to lead growth in the Iberian region's Commercial & Industrial and residential energy storage segments. The role involves lead generation, strategy development, client relationship management, proposal preparation, contract negotiation, and project coordination.

Cybersecurity PMO Support professional needed for a global consulting firm. 3-5 years of experience in PMO, Project Coordination, or Analyst roles required. Strong organizational and analytical skills needed to manage project delivery, track budgets, and identify potential risks. Fluent English required.

Expert Engineer in Carbon Capture needed to develop and implement carbon capture systems. Requires 10+ years of experience in the carbon capture value chain, including CC projects. Proven experience in developing conceptual studies, basic engineering or FEED for Carbon Capture technologies.

RAMS Engineer needed for field data analysis, reliability studies, and FMECA/Hazard Analysis. Requires 3-5 years experience in RAMS, safety engineering, and relevant standards (UNE-EN 50126, 50128, 50129, EN 60300). Experience with FMEA and RCM method is essential.

Energy Solutions Engineer will design and deliver energy efficiency solutions for industrial clients across Europe. Responsibilities include conducting energy audits, developing savings models, and collaborating with sales, projects, and engineering teams. Requires 3+ years of engineering experience, technical sales experience, and fluency in English and Spanish.

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.

The Project Manager leads the execution of construction works and installations, managing client, contractor, and subcontractor teams. Responsibilities include on-site coordination, technical support, training, and project documentation. Requires a Mechanical Engineering degree, construction knowledge, and fluency in English and Spanish.

Human Factors & Usability Engineer for medical device development projects. Collaborate with cross-functional teams, lead HFE strategy, and conduct user studies. Minimum 5 years experience required.

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.

Program Manager – M&A Integration will plan, drive, and execute post-merger integration of acquired companies, ensuring alignment with business objectives and synergy targets.

VAT Manager for a globally recognized advisory firm in Madrid. Focus on high-value VAT advisory, structuring, inspections, and strategic positioning for multinational clients.

Leads United Imaging's Iberia region growth strategy across radiology, cardiology, oncology, and AI. Responsible for P&L, compliance, team leadership, and customer relationships. Requires 15+ years of healthcare technology leadership, with 8-10 years in commercial management and deep Iberian market knowledge.

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.