intern internship English-speaking jobs in Cartagena

Sales Account Manager to develop and manage a portfolio of B2B clients in Madrid. Promote and sell mobility solutions to corporate customers, build strong relationships, and achieve sales targets. Proven B2B sales experience and strong communication skills required.

IT Support Field Engineer L2 provides onsite and remote Level 2 support to end users, including troubleshooting hardware, software, and connectivity issues. Requires CompTIA A+ Certification and 2-4 years of experience. Must have strong customer service skills and proficiency in English and Spanish.

Provide junior technical customer support for CAD/CAM, MES, and data analytics applications used in sheet metal processing. Diagnose and resolve software issues reported by customers. Install, configure, and update software applications. Cooperate with technology support teams to diagnose and resolve issues. Provide remote or on-site training.

Senior Development Manager to lead full lifecycle of large-scale, low-carbon data center projects in Madrid. Experience in data center, infrastructure, or real estate development required.

The Laboratory Lead manages a veterinary diagnostic reference laboratory, overseeing team management, technical support, quality control, and budget. Responsibilities include meeting operational key performance indicators, ensuring associate training and development, and leading laboratory work activities.

The HR Cybersecurity Compliance Analyst will support Cyber Security and Privacy compliance for HR processes and supporting applications. Responsibilities include ensuring HR systems comply with data protection regulations, conducting risk assessments, and collaborating with HR and IT teams to implement secure configurations and access controls. The ideal candidate will have a Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or a related field and 3-5 years of experience in cybersecurity, IT audit, or compliance roles.

Leads commercial efforts to expand renewable energy product sales in Spain and Iberia. Develops sales strategies, builds partnerships, and manages a sales team.

Optometrist to support commercial growth of intraocular lens portfolio. Provide clinical and product trainings, pre- and post-op support, and IOL calculations.

Gain hands-on experience in logistics by scheduling appointments, processing documentation, and supporting warehouse activities.

The Biorepository Technician will maintain, develop, and implement protocols within the Biorepository team. Responsibilities include sample reception, quality control, aliquot preparation, and data management. The successful candidate will have at least 3 years of experience in molecular biology laboratory techniques and 1 year of experience with LIMS databases.

Senior Market Risk Murex IT Consultant providing specialist support for MUREX projects. Requires 6+ years of experience with MUREX installations and deep knowledge of the MRB MUREX Risk module.

Embedded Software Engineer to design, develop, and implement C/C++ software for defense systems. Experience with RTOS, ARM microcontrollers, communication protocols, and version control is required.

Key Account Manager to drive B2B sales of Android mobile solutions. Requires 3-5 years of B2B sales experience, deep Android expertise, and strong industry knowledge.

Software Engineer to develop core platform using C# .Net in a Microsoft environment. Collaborate with a team to deliver high quality code and work across the full development lifecycle. Must have expertise with C# .Net and a strong academic background.

Leads the execution of infrastructure and capital projects, identifying improvement initiatives and engaging with clients. Manages strategic partnerships, develops business opportunities, and participates in industry events. Requires a Master's degree in Civil Engineering or related field and 7+ years of experience in the infrastructure sector, including 3+ years in a top-tier consulting firm.

Leads technical application support, oversees day-to-day operations, and drives maintenance, enhancement, and development of the OneStream solution.

Core Technical Engineer needed for telecom solutions design and implementation in voice and data domains (4G/5G, VoLTE). Responsibilities include network design, configuration, testing, and project delivery. Requires Master's or Bachelor's degree in Telecommunications or Computer Science, fluency in Spanish and English, and experience in Core NFV voice or data projects.

Experienced Automation Lead to drive IT infrastructure and end-user automation initiatives. Lead optimization across monitoring, digital experience, and ServiceNow ITOM. Expertise in ServiceNow ITOM, monitoring tools, and end-user automation.

VASS seeks early-career technical graduates for a structured program developing future project management leaders. Junior Project Managers will support technology project delivery, coordinating teams, tracking progress, and ensuring operational discipline.

This role combines medical education and field medical support. Responsibilities include designing and delivering training programs for doctors, distributors, and internal teams, as well as building relationships with Key Opinion Leaders (KOLs).