specialist English-speaking jobs in Cartagena

Senior Applied Research Engineer will profile and optimize large-scale model training runs, collaborating with ML Researchers to ensure research ideas scale efficiently. Requires strong understanding of ML architectures, distributed training, and Python programming. Experience with model scaling, parallelisation, and profiling tools is essential. Familiarity with NCCL, MPI, PyTorch, and Triton is desirable.

Customer Operations Specialist needed for multilingual team in Barcelona. Manage customer service requests, including order status, repair/calibration requests, and product returns. Resolve customer issues and interface with various stakeholders. Must be bilingual in German or Nordics and English with 3+ years of experience in a fast-paced customer service environment.

Lead product development (TRL 4-5) transforming materials and concepts into scalable products. Define electrode architecture, performance, and operating limits.

Provides administrative support to the Executive Assistant and leadership team, managing calendars, scheduling meetings, arranging travel, and preparing reports. Supports onboarding, event coordination, and office operations. Requires strong organizational, communication, and interpersonal skills.

VORNVORN seeks a Sales Director to lead and scale operations in Barcelona, driving revenue growth, managing strategic accounts, and expanding across Spain and Europe.

Senior Accountant needed for Family Office team. Responsibilities include performing accounting activities, ensuring compliance with accounting principles and standards, and managing department activities. Requires 8+ years of experience, strong knowledge of accounting and tax regulations, and proficiency in accounting ERPs.

Film Distribution Lawyer needed for a fast-growing European studio. Draft, review, and negotiate distribution agreements globally. Provide legal support to commercial teams, with a focus on Europe and the US. 2-5 years PQE, UK or EU qualified. Strong distribution experience and knowledge of EU/UK competition law required.

Applications & Monitoring Technical Lead will define and enforce standards for monitoring, alerting, and operability. Responsibilities include reducing incidents, improving signal quality, and ensuring application readiness. Requires experience with monitoring tools (Splunk, Prometheus, Grafana), production applications, and ITIL.

Lead a key flagship store on Serrano Street (Madrid), providing coaching and development for a team of luxury retail professionals. Drive business success through strategic planning, customer service excellence, and operational efficiency.

AI Engineer to implement and evolve the AI backbone for delivery, ensuring robust, scalable, and accurate AI-driven outputs for insurance-related transformation work. Configure, train, and orchestrate AI models, enable automated gap analysis and requirement refinement, and improve the quality of AI-driven outputs. Collaborate with the Intent Engineer to iterate and finalize specifications.

Electrical Commissioning Engineer to carry out testing, inspections, and troubleshooting on electrical systems. Experience in LV/MV or HV systems, electrical testing & verification, and construction environments required.

Leads commercial growth and develops new customers across Spain for a global leader in home healthcare solutions. Focuses on identifying and acquiring new customers, expanding distributor partnerships, and driving sustainable revenue growth.

Frontend Developer with 2+ years JavaScript experience and 1+ year with LitElement Cells needed for banking projects. Must have experience with BBVA Cells and environments. Fluent Spanish, B2 English. Hybrid work model.

The Lyophilization Specialist executes and coordinates manufacturing processes, interprets analytical data, and performs specialized laboratory tests. The role requires experience in freeze-drying and laboratory equipment operation. The Specialist collaborates with other departments and contributes to process improvements.

IKAV seeks an O&M engineer with 3+ years experience in PV plants for operation, maintenance, and revamping in Spain. Responsibilities include coordinating technicians, monitoring plant performance, preparing reports, and managing budgets. Fluency in English and Spanish is required.

Director of unit to lead and manage the Biofabrication Unit, overseeing R&D&I projects and defining the unit's scientific and technological roadmap. Requires PhD in a relevant field, experience managing companies or business units, and grant management experience.

Huawei seeks a Solar Service Team Intern for a 6-month, full-time paid internship in Madrid. Interns will gain hands-on experience with the operation of a large-scale PV plant, including panels, inverters, and monitoring systems. Responsibilities include installation training, start-up instructions, operating instructions, troubleshooting, and ticket management.

Technical Office Lead for MEP works on a major European sports infrastructure renovation project. Leads technical and commercial management, coordinates with Design and Procurement, prepares budgets, monitors progress, and ensures cost control.

EBRO SUV seeks a Warranty Specialist to manage and process warranty claims, ensuring accuracy and adherence to company policies. The role involves investigating claims, evaluating costs, and addressing customer inquiries while coordinating with departments and ensuring regulatory compliance.

The OEM Sales Manager develops and executes the HVAC division's OEM business strategy in Spain, focusing on partnerships with Original Equipment Manufacturers. The role involves achieving sales targets, identifying new customers, and strengthening existing relationships.