53 English-speaking jobs in Sintra

Location: Sete Rios, Lisbon, Portugal (On-site) Position Type: Full-Time Department: Customer Support / Client Operations Language Requirements: Fluent French (C1/C2) & Advanced English (C1) About the Opportunity Are you an exceptional communicator fluent in French looking for an exciting and rewarding career opportunity in one of Europe's most vibrant, culturally rich, and sunniest cities?

Senior Clinical Project Manager in Oncology requires 4+ years of regional/global CPM experience. Responsibilities include executing clinical studies, managing risks, and ensuring project quality and financial success.

Sales Developer supporting the English-speaking market. Proactively engage new prospects via outbound calls, guide onboarding, and increase platform engagement through consultative sales. Requires C1 English and 1+ year of outbound or B2B sales experience.

Support premium subscribers across Meta's ecosystem via various channels. Responsibilities include account management, billing inquiries, technical troubleshooting, and educating users on AI tools. Requires fluent English and prior customer service experience.

Officer, Regulatory Affairs provides administrative support and regulatory activities for new product launches. Responsibilities include documentation handling, label preparation, and liaising with authorities. Requires technical certification and 1-2 years of relevant experience.

Business Analyst in healthcare role requires gathering and documenting requirements, translating needs to functional specs, and executing functional tests. Must have 2+ years as a BA/Functional Analyst, SQL Server, Jira, and Confluence experience.

Mid/Senior AI LLM Engineer to fine-tune and improve self-hosted open-weight LLMs for conversational products. Requires Python, PyTorch, Hugging Face, and experience with SFT, LoRA, DPO, and GPU training.

Provide customer support for premium services and AI tools. Responsibilities include account management, troubleshooting technical issues, and educating users. Requires fluent English (C1), prior customer service experience, and strong problem-solving skills.

Officer, Shipping role involves planning and executing finished product shipments, liaising with transport providers, and managing import/export documentation. Requires secondary high school diploma and experience with pharmaceutical logistics.

Associate Supervisor, Quality Assurance leads and supervises the QA field production team. Responsibilities include reviewing quality documentation, ensuring SOP compliance, and overseeing production operations. Requires a technical/scientific degree and 3+ years in the pharmaceutical industry.

Coordinate and supervise the Customer Service area to ensure excellent service and customer satisfaction. Manage, develop, and train the team while driving continuous process improvement.

Entertain children and families through interactive activities, games, and performances. Create a welcoming and safe environment while managing props and following safety guidelines. Requires an energetic, outgoing personality and English proficiency.

This role involves developing learning strategies, designing training materials, and conducting training sessions. The Supervisor-Training assists management with hiring, coaching, and employee evaluation while ensuring safety compliance.

System Validation Specialist to set up and maintain CSV validation platforms. Responsibilities include developing, testing, and implementing critical software while ensuring compliance with cGMP guidelines. Requires a scientific degree and experience in validation.

Join the team as a Sales Development Representative, Client Partner, or Account Manager. Build B2B relationships, drive advertising revenue, and optimize digital campaign performance using CRM tools. Requires 1-2 years in B2B sales or digital marketing.

Junior Strategic Project Manager responsible for launching, planning, and completing critical strategic projects. This role requires aligning organizational activities with goals, generating data-driven insights, and managing timelines and budgets.

Part-Time Middle School Mathematics Enrichment Teacher needed for Grades 6–7. Plan and deliver engaging sessions for advanced students, deepening understanding beyond the standard curriculum. Requires a math degree, teaching experience, and fluency in English.

Assemble, install, test, and maintain electrical wiring and equipment using hand and power tools. Diagnose malfunctions, connect components, and follow blueprints according to National Electric Code. Requires a valid Driver’s License.

Groundskeeper monitors property grounds, maintaining lawns, flower beds, and features. Duties include equipment cleaning, trash removal, and minor repairs to paths and structures. Operates vehicles and follows all safety procedures.

English Customer Support Representatives are needed for an international project in Lisbon. Responsibilities include assisting customers via phone, email, and chat, resolving issues, and ensuring a positive experience. C1 English is required.