43 English-speaking jobs in Sintra

You will learn first-hand about a hotel's operations. Our Hotel Internship Program allows you to truly experience the industry from the ground up, where our founders and many of our leaders began. You will get immersed in Marriott's culture and business and find your true calling in the travel industry. Our internships are typically available in many different areas of the hotel.

Processes reservation requests, changes, and cancellations via phone, fax, or mail. Identifies guest needs, verifies room availability, and explains policies. Inputs data into the reservation system, including special room types and rates. Handles guest inquiries about property facilities and accommodations. Follows company policies and procedures, providing excellent customer service.

Supervises staff to ensure guest needs are met and service standards are maintained. Completes opening and closing duties, inventories, and maintenance requests. Assists management with hiring, training, scheduling, and employee development. Ensures adherence to company policies and procedures. Welcomes and acknowledges guests, anticipates needs, and resolves concerns.

Environmental and Safety Intern at Tecnimede Academy, a 9-month program starting September 2026. Gain practical experience in a challenging, regulated sector. Ideal for Environmental Engineering graduates or those pursuing related Master's degrees.

Lead and oversee all aspects of a mature Puratos entity in Portugal, including manufacturing, sales, marketing, R&D, HR, finance, and distribution. Drive growth aligned with a global 2030 vision and build a high-performing team.

Leads end-to-end supply chain processes for injectable products, including demand planning, manufacturing, distribution, and digital management. Drives process standardization, system enablement, and compliance across internal sites and CMOs.

Develop, maintain, and enhance full-stack web applications using Microsoft technologies. Contribute to architecture and technical design of solutions. Collaborate with cross-functional teams. Ensure code quality through reviews, testing, and best practices. Support junior developers.

Manage end-to-end delivery of exceptional consumer experience for IQOS products. Responsible for store management procedures, team leadership, product and sales analysis, and ensuring alignment with company values.

Leads a team to build and maintain data models in Snowflake, executive dashboards in Tableau, and govern KPIs across Finance, Sales, Operations, and client delivery.

Staff Infrastructure Engineer will architect and evolve the private cloud platform for compute, networking, distributed storage, and bare metal as a service (BMaaS). Responsibilities include designing, deploying, and operating large-scale OpenStack and Ceph environments, leading data center expansion, and defining infrastructure as code standards.

Supervises all production department activities including sterilization, washing, monitoring, filling, and equipment control. Ensures aseptic operations comply with GMPs and SOPs. Develops and executes production plans, manages staff, and reports daily events to management.

The Specialist, Buyer will build and maintain supplier relationships, execute purchase orders, and ensure timely delivery of materials. Responsibilities include problem-solving, supplier performance monitoring, and collaborating with internal teams. The ideal candidate has experience in strategic sourcing, procurement analytics, and working in GMP environments.

Gain hands-on experience in hotel operations through Marriott's Hotel Internship Program. Internships are available in various areas of the hotel, providing a foundation for a career in the travel industry.

As an AI Services Consultant, you will provide technical solutions and guidance to customers on Zendesk AI products. You will facilitate change management, deliver training, and ensure successful project delivery while maintaining high customer satisfaction. You will collaborate with internal teams to align AI solutions with customer business goals and drive measurable improvements.

The Operations Business Analyst supports site operations through data analysis and reporting. The role monitors production adherence, tracks execution, and contributes to process standardization.

Leads a team of data scientists to develop and implement data-driven solutions. Builds analytical capabilities and fosters a data-driven culture. Manages resources and prioritizes projects, ensuring alignment with business objectives. Requires a PhD in a relevant field and 7+ years of experience leading data science teams. Proficiency in Python, SQL, and AWS is essential.

Guest Service Experts deliver a memorable dining experience by setting tables, communicating with the kitchen, serving guests, and maintaining a clean work area.

The Tecnimede Group seeks a CRM and SQL Database Analyst to manage and optimize Salesforce CRM, support commercial and medical teams, and deliver business insights through data analysis. The role requires experience in CRM systems, SQL, data analysis, and reporting.

Leads the enterprise-grade AI architecture for the AI Factory, drives reusable and secure-by-design patterns, and ensures quality assurance and systemic reliability across delivery. Manages and develops the AI Solution Architect role, ensuring alignment, coaching, and consistent architectural excellence.

Designs and governs end-to-end AI architectures aligned with AI Factory standards. Defines scalable, maintainable, secure AI architectures and provides reference architectures and reusable components. Collaborates with engineering teams to ensure technical coherence across AI Factory solutions.