intern internship English-speaking jobs in Cartagena

At Bryden Wood, we are expanding our teams in Barcelona and Madrid to work on large scale projects for the biggest names in "Big Tech" and the Industrial sector. We are looking for a Senior/Principal Electrical Engineer to lead the technical delivery of our Data Centre and large-scale industrial projects.

Identify project risks, for different project risks, specify corresponding emergency measures and preventive measures, lead the project team to hold regular project meetings and establish a risk escalation system 3. Monitor project progress; grasp the key points of the project, determine the monitoring frequency, handle emergencies 4.

Business Development Manager to drive growth across Spain and Europe, focusing on OEMs, device manufacturers, and IoT solution providers. Manage the full sales cycle, build partnerships, and provide market intelligence. Requires +5 years of experience in IoT, telecom, or tech sales with fluency in English and Spanish.

Senior Client Payroll Specialist leads end-to-end payroll operations, ensuring accurate and timely processing, compliance with regulations, and continuous process improvement. Manages a portfolio of clients, oversees payroll adjustments, and acts as a subject matter expert.

IT Support Specialist provides technical support, manages systems administration, and maintains infrastructure for the Spain office. Requires 2-4 years of experience in corporate IT support, knowledge of Windows 10/11, Microsoft 365, and Active Directory, and fluency in Spanish and English.

Environmental Test Engineer needed for mechanical and climatic testing of electronic equipment. Execute tests, prepare reports, and analyze international standards. Requires a degree in Engineering or Physics and 2+ years of experience. Fluent English required.

Commercial Director to lead sales, business development, and commercial strategy for a space logistics company. Requires 5-7+ years of experience in technical sales within defense, aerospace, or deeptech sectors. Proven track record of building and scaling sales processes, generating revenue, and meeting commercial targets. Expertise in ESA and EC tenders and programs. Fluent in English.

If you are based in Barcelona , we are looking for you. At BitMetrics, we build the software layer that gives machines perception and intelligence in the physical world. Our products enable vision-guided robotics and AI-powered visual inspection across real operational environments.

Location: Hybrid / Madrid, Spain Type: Full-time This role sits at the intersection of sales, partnerships, and content. Most people won't be good at all three. If you can open new markets, build relationships with elite coaches, and create content that actually drives engagement not just impressions you might be exactly who we're looking for. Build the network. Own the community. Drive global growth.

About the job How would you like to work for a leading fintech company? Roc360 is a leading US fintech servicing the largest market in the world, the $43trn US residential real estate market.

The Athlete Services & Travel Coordinator ensures a premium athlete experience from registration to race completion. Responsibilities include athlete communication, travel support, accommodation coordination, and on-site experience management.

Location: Barcelona Position: Channel & Partners Account executive full cycle Experience: 4-8 years in Sales B2B and Channel & Partners Salary: 40-45K + comissions THE CONTEXT My client is a fast-growing European SaaS company specialized in payroll and HR solutions, currently accelerating its expansion in Spain.

We're committed to providing pets and their pet parents with the support necessary for a joyful and thriving life together. We're a team of pet lovers from Spain, Germany, France, Belgium, Croatia, Russia, Morocco, Argentina, Brazil, Italy, Poland and Portugal and now we're looking for a Veterinarian with a proactive mindset to help scale our Vet Team as we grow internationally.

Senior Technical Asset Manager to oversee wind and solar portfolios. Manage O&M service providers, ensure compliance with technical and regulatory standards, and analyze performance data.

Roles and responsibilities: Inspiring & supporting the Lean deployment by training people & obtaining quick wins. Ensuring the Lean operational processes and procedures meet local regulations. Monitoring the Lean performance of the areas/sites/lines under her/his responsibility.

The Customer Account Manager acquires new battery/electrolyte customers and manages commercial relationships. This role drives business development, captures customer requirements, and ensures alignment between customer expectations and internal capabilities.

Team Leader will monitor and report team performance, provide feedback and training, manage recruitment and staffing, handle customer relations, and ensure operational efficiency.

Macroeconomic Modeling Specialist (EViews) $35 - $100/hour payRequired Skills EViewsMacroeconomicsAbout micro1micro1 is a data engine that helps AI labs train foundational models and enterprises build AI agents.

FINERGE seeks a Back Office and Operations Control Specialist to analyze and improve wholesale electricity market participation strategies. The role involves revenue stream control, development of analytical tools, sales settlement calculation, and monitoring of legal regulations and market rules.

Senior Data Engineer to develop scalable data models, pipelines, and predictive models for a global accommodation provider. Requires experience with Python/Go, SQL, ETL, and machine learning.