315 English-speaking jobs in Castile and León

Taylor Hopkinson is seeking a Technical Engineer to join a leading renewable energy company. The role will focus on supporting the development and implementation of utility-scale solar PV and battery energy storage (BESS) projects.

We’re looking for an AI Engineer with deep experience in search technologies, vector databases, and Retrieval-Augmented Generation (RAG). This role sits in a high-impact product team working on a new initiative, with the freedom to shape architecture, improve search relevance, and build intelligent workflows used by thousands of enterprise users.

We are looking for two Computer System Validation Engineers (CSV) to complete an integration project within an international team dedicated to building neuroelectronic interfaces to cure brain disorders. One engineer will focus on manual testing and the other on automated testing. Fluent English is MANDATORY; in fact, Spanish is not required.

Quality Control Engineer - AI & LLM Services - Zaragoza - FTCA fantastic opportunity has opened for a Quality Control Engineer to join a pioneering organisation developing next-generation AI solutions. This team works at the forefront of AI optimisation, high-performance systems, and advanced ML/LLM workflows.

Take your career to the next level with Amaris Consulting as a Pentest Coordinator. Become part of an international team, thrive in a global group with over €800M in turnover and 1,000+ clients worldwide, and shape a secure digital future in an agile environment by planning kickoffs and driving the follow-up of critical cybersecurity projects.

About the jobAbout WarmyWarmy. io is an AI-powered email warm-up and deliverability platform trusted by businesses around the world to land emails in inboxes - not spam. With customers in over 100 countries, we're scaling fast and building a global brand. Our mission? Make sure your outreach is heard.

Job Description:ENEB is seeking a highly motivated and results-oriented Commercial Advisor/Sales Consultant - Closer (bilingual in English) to join our team. The role will play an essential part in generating sales and closing deals through both telephone and written communication. We are looking for individuals passionate about challenges and with a proven track record in commercial sales.

We are looking for a specialist in Squish test automation to strengthen the development of automated testing in a long-term project. This position is suitable for you if you enjoy clear technical work, thrive in an international environment, and want to focus on high-quality test automation implementation. The work can be done entirely remotely from anywhere in Europe.

Who We Are Whitewater Group is a leading provider of innovative and sustainable water treatment engineering systems operating in Ireland, UK and across Europe in the Data Centre, Pharma, Power and Industrial sectors. We specialize in designing, installing, commissioning, and maintaining water treatment solutions to meet our clients' specific needs.

We are seeking a results-driven Google Ads Media Buyer to plan, launch, optimize, and manage paid advertising campaigns across Google’s advertising ecosystem. The ideal candidate has strong analytical skills, a deep understanding of PPC strategy, and a proven ability to drive ROI through data-backed decision-making.

We are one of the largest German e-commerce companies and are looking for reinforcement in Spanien. Frontend Software Developer m/f/dFLYERALARM is a leading e-commerce company specializing in print products and marketing within the B2B sector, and one of Europe´s most successful online printing companies.

My client are looking for a Microsoft 365 Specialist to bridge the gap between business and technology — driving adoption, enabling innovation, and landing new capabilities across the Microsoft 365 platform (including Copilot and AI-powered tools). You’ll partner with stakeholders across the business to understand needs, shape requirements, and help teams get the most from M365.

We are hiring a Business Developer to acquire new accounts of Kymos in Europe and to be responsible for account management. Key responsibilities:Promoting the company's expertise in analytical services (Bioanalysis and CMC of small molecules, biologics and nucleic acids) as well as advanced therapies. Managing existing relationships with Kymos' clients and partners.

ABOUT USHBX Group is a leading B2B ecosystem player in the TravelTech space, connecting and empowering businesses in the ever-evolving world of travel. We drive growth for our clients and partners while removing friction from the end-to-end travel experience.

Omega CRM Consulting is looking for a Salesforce Administrator that would like to collaborate with one of the top global pharmaceutical companies. Main TasksConfigure and maintain Salesforce features, including workflows, process automation, validation rules, and custom objects. Create and manage reports, dashboards, and data visualizations to provide actionable insights to stakeholders.

Part-Time Revenue Management Specialist (Support Role – IMMEDIATE START)We are looking for a part-time Revenue Management Specialist to support our existing team. The ideal candidate has strong experience in dynamic pricing, portfolio optimisation, and channel strategy across the major OTAs.

We help organizations drive meaningful change by solving learning challenges — from unlocking employee motivation to building new skills and changing behaviors. Whether you're launching new systems, shifting mindsets, or growing team capabilities, we create interactive online and blended learning solutions that deliver lasting impact.

We are seeking an experienced Big Data Consultant with strong hands-on development skills and a solid background in data engineering, system integration, or data science projects. The ideal candidate will have experience within fraud, financial crime, compliance, or customer insight domains, leveraging advanced detection and predictive models.

Sales Engineer (Spain) - Global Leader in Polymer MaterialsJoin Us: Shape the Future of Plastics & Chemicals in Spain! As a global leader in the polymer materials industry with decades of expertise, we have expanded our business to over 130 countries and regions worldwide.

About the RoleFor an initial 6 month contract we are seeking a skilled Automation Engineer to streamline and automate access and approval workflows across enterprise applications using PowerShell scripting and Microsoft Graph API.