intern internship English-speaking jobs in Cartagena

The Sales Operations & Administrative Assistant provides operational and administrative support to management. Responsibilities include managing customer communications, overseeing the order-to-delivery cycle, preparing invoices, and maintaining customer data in the CRM.

Senior Trade Marketing professional will define and implement business plans for assigned clients, generate new business, and develop technical proposals. Requires 2-3 years of client management experience, consumer or retailer panel analysis, and fluency in English and Spanish.

Design and implement AI agents using Salesforce Agentforce, integrating them with Sales Cloud, Service Cloud, or custom workflows. Build intelligent automations combining Agentforce, Apex, APIs, and external systems.

Key Account Sales Specialist to activate and grow B2B business in Madrid. Develop relationships with corporate clients, implement B2B strategy, and ensure customer satisfaction.

The Director of Marketing will develop and execute a marketing strategy for a new luxury resort in Ibiza. This role will position the property and F&B outlets as a premier destination, ensuring brand visibility and revenue growth.

Technical Sales Engineer will lead packaging activity in Spain and Portugal, identifying new accounts, engaging with stakeholders, and closing deals. Requires 7+ years experience in industrial machinery or packaging, strong technical background, and fluency in Spanish and English or French.

Administers, maintains, and optimizes the Atlassian ecosystem including Jira Software, Jira Service Management, and Confluence. Designs and configures Jira workflows, schemes, and integrations. Collaborates with engineering and program management partners.

Stratence Partners seeks Senior Vice Presidents to lead global Commercial Transformation mandates. Roles combine revenue origination and executive-level delivery within a structured, IP-driven platform.

Senior Proposal Engineer to lead proposal preparation, review, and submission for Oil & Gas and Offshore Wind projects. Requires 5+ years of experience in the sector, strong analytical and communication skills, and the ability to coordinate cross-functional teams.

Develops and executes global or regional marketing strategies for allergy diagnostics and allergen immunotherapy. Manages product lifecycle, conducts market analysis, and supports commercial growth. Collaborates with sales, medical, and regulatory teams.

Provides customer support to international clients, managing inquiries, order processing, and issue resolution. Requires fluency in English, Arabic, French, and Spanish.

The Inside Sales Representative drives commercial growth within C and D customer segments, managing existing portfolios and developing new business. The role ensures achievement of sales targets, professionalizes internal processes, and resolves customer inquiries.

Payroll Risk & Compliance Specialist focused on Spain. Deep knowledge of Spanish payroll legislation and hands-on experience in a senior payroll, audit, or compliance role required.

Strategy & Market Analyst to support business growth through market intelligence and strategic analysis. Responsibilities include monitoring global energy markets, delivering strategic briefs, and contributing to strategic projects. Requires a degree in a relevant field, fluency in English, 4+ years of experience, and strong analytical and communication skills.

ADP is seeking Business Development Representatives with fluent German to book qualified meetings for field sales in Germany. Responsibilities include prospecting, lead qualification, CRM management, and collaborating with sales and marketing teams.

Leads user acquisition strategy and performance across paid, organic, creator-led, and partnership channels for a fast-growing consumer technology business. Manages acquisition budgets, builds and develops a team, and drives experimentation and optimization. Requires proven experience leading B2C user acquisition for consumer software or digital products with a strong background in gaming, gaming tech, or adjacent consumer platforms.

Account Executive to manage the full sales cycle for the German market remotely from Spain. Requires fluency in German (C2) and Spanish or English (B2), 1.5-2 years of B2B/B2C sales experience, and strong negotiation and communication skills.

Lead Hardware Engineer to drive hardware development lifecycle for electric aviation propulsion systems. Responsibilities include team leadership, system architecture, and coordination across multidisciplinary teams. Requires experience in EMI/EMC testing, LTSpice and MATLAB, and leading technical engineering activities.

Inside Sales Representative will articulate Partner Program value proposition, register resellers, respond to inquiries, and provide product information. Must be native or bilingual in Dutch and advanced in English with previous B2B sales experience.

Project & Structured Finance Manager will build financial models, conduct risk analysis, and manage due diligence for renewable energy projects. Requires 5+ years of experience in a similar role, expert financial modeling skills, and fluency in English.