student English-speaking jobs in Castelló de la Plana

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.

Programme Manager to lead the strategic delivery of the Data and AI Risk Programme. This senior-level role identifies, assesses, and manages risks associated with enterprise data and AI. Responsibilities include defining programme roadmaps, risk frameworks, and collaborating with cross-functional teams to embed risk mitigation into enterprise processes. Must have 15+ years of experience in programme or project management with significant exposure to data governance, risk management, and AI initiatives.

Design & Content Intern will create visual and written content for a European fintech. Responsibilities include designing graphics, writing copy, and experimenting with AI tools. Must have a design portfolio and proficiency in design software.

Automation Engineer providing technical support for vision and automation systems in the pharmaceutical industry. Troubleshooting and repair of serialization and packaging systems.

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.

Ecommerce & Digital Growth Manager will lead the growth of the ecommerce channel, managing and optimizing online sales across Spain, the US, and upcoming markets. Responsibilities include planning and executing digital campaigns, managing CRM data, and collaborating with cross-functional teams. Requires a degree in Digital Marketing, 6+ years of experience in digital marketing, and fluency in English and Spanish.

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.

Project Coordinator Intern to support EcoVadis certification for the company's brand in Spain. Responsibilities include coordinating with internal stakeholders, collecting and organizing documentation, tracking project milestones, and assisting with questionnaire submissions. Must be fluent in English and Spanish and have strong organizational and communication skills.

Technology Expert (Batteries & PV) will define and standardize battery and photovoltaic (PV) systems, lead testing and homologation processes, and manage vendor relationships. The role also involves developing innovative energy solutions, designing control algorithms, and overseeing a Network Operations Center (NOC) for battery asset monitoring.

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.

As People Development Manager, you will design and deliver development strategies to strengthen organizational capability and nurture talent. You will build and implement performance development approaches, enhance career pathing frameworks, and partner with HR Business Partners and leaders to identify and address capability gaps.

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.

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.

Senior Electrical & Instrumentation QA/QC Inspector needed for a major industrial project in Spain. Responsibilities include performing inspections, witnessing testing, verifying compliance with specifications, and managing NCRs. Requires 5+ years of experience in QA/QC/Inspection roles with a focus on electrical installations and experience in industrial plant settings. Fluent Spanish and communicative English 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.

Freelance Junior Project Manager to lead project delivery activities across the full lifecycle of a landmark data center megaproject. Oversee day-to-day execution, manage interfaces, and ensure successful project completion. Fluency in Spanish and English is essential.

Sales Engineer to create demand and achieve high win rates in the Iberian market, focusing on the Barcelona area. Requires 3+ years of experience selling integrated robotic solutions to manufacturing customers, technical knowledge of industrial automation, and native-level Spanish skills.

Innovation Lab Technician will oversee experimental R&D campaigns, ensuring accurate maintenance and calibration of measurement equipment. Responsibilities include gas testing, equipment adaptation, facility maintenance, and collaborating with other project disciplines.

Design, prototype, and iterate on user flows and interfaces for a financial technology product. Work within a cross-functional team to uphold design and usability standards. Gather and analyze feedback, and iterate on designs based on market needs and customer feedback.

Operations Director needed for a major Italian pharmaceutical company. Responsible for all site operations, including HSE, API production, maintenance, and budget management. Requires a degree in Chemistry, Industrial Chemistry, or Chemical Engineering with 10+ years of pharmaceutical manufacturing experience. Must have strong leadership, communication, and problem-solving skills.