intern internship English-speaking jobs in Bilbao

BESS Solutions Engineer needed for a growing renewable energy developer. Experience in designing, negotiating, and structuring BESS solutions for developers and IPPs is required.

Freelance copywriter needed for project-based B2B marketing campaigns across Europe for The Knot Worldwide. Must have experience writing for online media, the wedding industry, and affiliate content. Fluency in English and excellent writing skills required.

Provides guidance and leadership to develop, implement, and drive contract/claim management and risk mitigation strategies in accordance with Alstom's business objectives. Monitors projects toward contract obligations and ensures timely issuance of contractual notices. Monitors, records, and notifies third parties regarding claims/counterclaims and prepares and manages supporting documentation for negotiations. Reports on contract management and claims activities to project, legal, and contract management teams. Provides training on contract/claim management to key project stakeholders.

Commercial Manager to lead all commercial activities on a major specialist construction program in Zaragoza. Responsibilities include subcontract management, cost planning and reporting, risk management, and client communication. Requires proven experience in construction or specialist contracting, strong knowledge of contract forms, and excellent communication skills.

Technical Sales Manager to lead business development in Southern Europe for a European engineering group specializing in maritime solutions. Responsibilities include identifying and securing business opportunities, managing key stakeholder relationships, and leading the complete sales cycle.

Senior Engineer with 10+ years of experience in .NET and Azure environments is sought for a permanent role. Responsibilities include AWS to Azure migration, event-driven architecture design, and implementing scalable services.

This temporary position supports the Ads Operations team by managing campaign processes, optimizing campaigns, and analyzing data for multiple clients. Responsibilities include troubleshooting, communication with client contacts, and ensuring campaign deliverables are met.

The Commodity Manager Energy will define and execute the company's energy sourcing strategy, ensuring cost optimization, supply security, and alignment with sustainability and decarbonization objectives. This role manages the full lifecycle of energy procurement (electricity and gas), including market analysis, demand forecasting, contracting strategies, and performance monitoring.

This temporary Receptionist role supports the smooth operation of office administrative and general services. Responsibilities include managing visitor access, handling calls, coordinating with building services and suppliers, and managing office supplies, travel arrangements, and meeting room bookings.

Software Developers create and enhance technologies for Centiro's Supply Chain Network Cloud. Work includes web development, backend services, and web services. The role may focus on backend, front-end, or full-stack development.

Design and implement Trackside Signalling Systems hardware for global Mobility projects. Manage requirements traceability, provide customer training, and collaborate in project planning and execution.

Sales specialist to achieve sales goals by promoting and selling Candela Glace product line to physicians and other customers. Requires 1-3 years of capital equipment or B2B sales experience and willingness to travel.

Product Manager to lead strategy, development, and positioning of healthcare solutions. Analyze market trends, customer needs, and translate technical knowledge into commercial messaging. Collaborate with sales, technical teams, and clients.

Implementation Consultant needed for NetSuite ERP projects. Minimum 3 years of functional experience in manufacturing projects using NetSuite required. Deep knowledge of Manufacturing, WMS, and Quality modules. NetSuite certification highly valued.

Project Director to lead design and build datacenter projects in Spain. Responsible for technical, financial, and contractual performance. Requires 10+ years managing complex industrial building projects, strong leadership, and expertise in project management, risk, and opportunity anticipation. Fluency in Spanish and English required.

The Human Resources Officer provides HR support for employee lifecycle processes, payroll, benefits, and recruitment across Schiller International University's global campuses.

Senior Creative Copywriter needed for a global agency project. Develop lead copy concepts and messaging frameworks for campaigns. Define brand voices for social media, ensuring cultural relevance. Must be fluent in German and English with proven experience in copywriting.

Senior Account Executive will drive new business growth within large, strategic accounts in Spain. Responsibilities include managing complex sales cycles, developing relationships with senior stakeholders, and demonstrating business value. Requires 5+ years of SaaS sales experience, a proven track record of exceeding sales targets, and experience selling to organizations with annual revenues exceeding €100 million.

The IT Architect designs and implements IT solutions aligned with business objectives, ensuring optimal performance, security, and scalability. This Level 3 role requires strong experience and autonomy in technical decision-making.

Experienced Internal Auditor to join a global organization's European audit team in Madrid. Deliver operational, financial, and compliance audits across European entities. Support audit planning, testing, reporting, and follow-up actions. Analyze data and build dashboards using SAP, Power BI, and ERP tools. Partner with international stakeholders.