student English-speaking jobs in Castelló de la Plana

An Iberian private equity firm seeks an Interim Strategy Consultant to conduct commercial and market due diligence on a specialized third-party logistics operator. The engagement focuses on assessing the investment thesis, including anchor-client resilience, new-business pipeline credibility, expansion into beauty and lifestyle verticals, competitive positioning, and Latin American geographic expansion.

This role requires strong Supply Chain Management experience and expertise in crisis resolution. You will act as the primary point of contact for supplier crisis management, coordinating with internal teams and stakeholders to stabilize operations and ensure continuity of supply chain processes.

The Sales Engineer will drive technical sales, provide customer support, and manage accounts in the aerospace, defense, and space sectors. This role requires a strong engineering background, excellent communication skills, and experience in technical sales.

Lead quantitative research for a new hedge fund focused on systematic trading in CME Group futures markets. Develop and backtest trading strategies, ensuring they withstand transaction cost modeling and out-of-sample validation.

Customer Engineer specializing in Microsoft 365, Exchange Server, and Exchange Online. Provides technical expertise for design, deployment, migration, and optimization of email and collaboration environments. Supports customers in achieving high performance, security, and reliability across on-premises and cloud platforms.

Senior Business Development Manager to lead strategic growth in Spain for a global EdTech SaaS platform. Focus on closing high-value deals (€200k+ ACV) with enterprise and mid-market corporate clients in HR/L&D. Fluent Spanish & English required.

Sales Executive to support growth in the Spain & Portugal market. This hybrid role combines sales support and business development activities. The ideal candidate will have 1-3 years of experience in sales, strong communication skills, and a willingness to develop in a sales/business development role.

Körber Supply Chain seeks a Sales Manager to develop parcel and intralogistics solutions in Spain. The role involves defining sales strategy, identifying key markets and customers, and leading the end-to-end sales process. Requires 3-5 years of experience in intralogistics sales, technical sales cycles, and customer relationship management.

The Key Account Manager – Spain (m/f/d) will drive revenue and build customer relationships in Southern Spain. This role involves understanding client requirements, proposing cybersecurity solutions, and developing new customer projects. The ideal candidate has 5+ years of experience in B2B sales of complex products, excellent communication skills in Spanish and English, and a strong understanding of IT security or cloud services.

As an AI & Data Systems Engineer, you will design and deploy AI/ML pipelines, focusing on Generative AI and data integration. You will architect a centralized data repository, collaborate on data visualization, and build open-source Python tooling.

Expert Machinery Director for Wet Processes (dyeing, finishing) needed to drive technical excellence and strategic insight for a global textile machinery marketplace platform.

The Logistics Trainee will support the Global Logistics team in logistics processes and the WMS/TMS implementation project. Responsibilities include process documentation, flow mapping, data analysis, and testing.

This Junior Financial Controller role offers a unique opportunity to develop accounting and financial controlling skills for two companies within a group. The successful candidate will manage the full accounting cycle, participate in monthly closing processes, and prepare financial reports.

Leads and manages culinary operations across Spain, ensuring high-quality food production and guest satisfaction. Responsible for menu development, food safety, cost control, and team leadership across lounges and central kitchens. Drives culinary excellence through new openings, renovations, and ongoing operations.

Business & Process Analyst needed to manage the lifecycle of service applications and standardize processes across international markets. Responsibilities include application support, process analysis, project coordination, stakeholder management, and quality assurance. Requires experience with enterprise applications, after-sales service processes, and a global mindset.

Security Device Engineer will manage and monitor customer security devices, resolve complex issues, and update devices according to service roadmaps. The role requires strong Linux systems knowledge, network and security experience, and fluency in English.

UST seeks a L1 SOC Analyst to contribute to a cybersecurity project for a global customer. The role requires analytical thinking and adherence to playbooks, utilizing tools such as Palo Alto XSOAR, XDR, ProofPoint, Microsoft, and ServiceNow.

The Senior International Privacy & GDPR Manager will develop, implement, and maintain the company's global privacy and GDPR framework. This role provides subject-matter expertise on privacy risk, remediation, and escalation recommendations. The successful candidate will collaborate with stakeholders to ensure compliance with GDPR, UK Data Protection Act, and other international regulations.

Sales Manager to drive sales of TBEA Solar inverter, power station, and related solutions for utility-scale projects. Develop key account relationships, optimize customer designs, and contribute to market development strategies.

Lead the transformation of the Quality Assurance function at Ink Innovation, architecting a fully AI-driven, automated quality engineering organization. Eliminate manual testing and embed intelligent quality from code commit to production deployment. Own the quality bar across the entire engineering organization.