student English-speaking jobs in Castelló de la Plana

Production Planning Specialist will develop and maintain the annual production plan, analyze capacity, and manage MRP data. Requires a degree in Engineering or Science, strong analytical skills, and experience with ERP systems and production planning.

Administrative & Compliance Officer needed for a leading innovation ecosystem. Manage financial control of projects, coordinate compliance framework, and oversee billing and reporting. Requires 2-3 years of experience in administration, finance, or compliance.

Account Executive to manage the full sales cycle for a SaaS company's e-commerce product in the US/UK market.

Experienced Accountant with DATEV expertise needed to manage German accounting from Madrid office. Responsibilities include general accounting, tax compliance, and liaising with external parties.

QC Piping Supervisor needed for industrial project in Huelva, Spain. Focus on punch clearing, documentation checks, rework follow-up, and ensuring compliance with P&IDs, isometric drawings, and ASME B31 standards. Requires technical background in mechanical engineering, industrial piping, 8+ years onsite QC experience, and fluency in Spanish and English.

Senior Account Executive to manage and develop key client accounts. Collaborate on strategic and creative projects, prepare communication materials, and manage client relationships. Requires native or bilingual English, a related degree, and over four years of agency experience.

Senior Talent Support Coordinator fluent in Czech/Slovakian and English. Manages candidate and hiring manager relationships, schedules interviews, tracks onboarding progress, and ensures a positive candidate experience.

MLOps/LLMOps Engineer to deploy cutting-edge ML/LLM models to Fortune Global 500 clients. Design, develop, and implement ML/LLM pipelines encompassing data acquisition, preprocessing, training, deployment, and monitoring. Employ automation tools and manage cloud infrastructure for ML workloads.

Telecommunications Engineer needed to provide expert support for AXON Networks products. Design, develop, and refine algorithms, troubleshoot, and collaborate with teams to deliver innovative network access solutions.

The Project Financial Controller will oversee financial planning, budget control, and accounting for assigned projects. Responsibilities include monitoring costs and revenues, preparing financial reports, and collaborating with teams to ensure project viability.

Junior Business Development Manager to support expanding network of vendors, partners, and clients in the cybersecurity space. Assist in identifying business opportunities, preparing proposals, and supporting vendor and partner engagement.

Lead email, SMS, lifecycle, and CRM strategies for a fast-growing DTC beauty brand. Plan and execute campaigns, define lifecycle flows, and drive revenue and retention. Proven experience in beauty and consumable DTC brands required.

Assistant General Manager will support the General Manager in overseeing operations of new aparthotel openings. This role requires strong leadership, operational excellence, and guest satisfaction focus.

Marketing Trainee to support strategic marketing decisions. Responsibilities include coordinating product launches, managing artwork processes, conducting market analysis, and collaborating on budget control. Requires a bachelor's degree, fluency in English, advanced Excel skills, and strong analytical abilities.

IT Specialist to provide desktop support, troubleshooting, and user training for EU offices. Manage IT assets, monitor systems, and assist with IT projects.

Senior Infrastructure Engineer to design and improve core infrastructure architecture across Azure, on-prem network, and security. Define standards, guardrails, and reusable patterns. Collaborate with internal teams and stakeholders to align technical decisions.

AI Technical Business Analyst needed to bridge business and engineering teams for internal AI tooling. Analyze business processes, translate needs into technical requirements, and drive adoption of AI-driven automations. Requires 5+ years of business analysis experience, 2+ years in AI/data/automation, and hands-on experience with AI-assisted documentation tools.

Clinical Data Scientist/Data Manager will oversee data management and clinical surveillance activities, including CRF design, database management, data quality assurance, and analytical support. Requires a university degree and 4 years of experience in data management systems at a CRO or pharmaceutical company. Familiarity with CDM systems, GCDMP, ICH, CDISC standards, and data privacy regulations is essential.

The Compliance Specialist AI supports the design, implementation, and enhancement of controls for Machine Learning systems, ensuring alignment with regulations and policies. The role involves risk assessment, control evaluation, and documentation of AI products.

Business Development Manager to develop relationships with ecommerce companies, retailers, and cross-border platforms in Spain and Portugal. Requires 3-5 years of sales experience in parcel delivery or transport solutions, fluency in English (C1 level), own vehicle, and a CRM and MS Office proficiency.