assistant English-speaking jobs in Barreiro

Data Coordinator will enter, review, and maintain clinical trial data in paper and electronic CRFs. Coordinate monitoring visits, audits, and study meetings. Manage study documentation and ensure protocol compliance.

Digital Marketing Optimization Specialist will manage and optimize PPC campaigns, analyze data, and provide recommendations for performance improvements. Requires fluency in German, Dutch, or Danish and 1 year of Google Ads experience.

Senior Performance Marketer will manage paid acquisition channels (e.g., Meta, TikTok, Google) and contribute to growing the user base from 30M to 100M users. Responsibilities include campaign ownership, performance analysis, creative optimization, and partnership management. Must have 4-10+ years of experience in performance marketing, managing $300K to $1M+/month in paid media spend, and experience with GA4, Voluum, and tracking setups.

The International Iberian Nanotechnology Laboratory (INL) seeks a Head of Internal Auditing to establish and lead the INL Internal Audit Service. Responsibilities include audit planning, execution, and reporting, risk assessment, compliance, internal controls assessment, stakeholder engagement, and training.

Designs, coordinates, and optimizes donor engagement and retention journeys across the donor lifecycle. Responsible for increasing donor engagement, reducing attrition, and strengthening donor loyalty through strategic communication, journey management, and data-driven optimization. Collaborates with CRM, Data, Content, and Marketing teams to deliver impactful engagement initiatives. Analyzes donor engagement metrics and retention data to evaluate and optimize strategies.

Legal Counsel providing comprehensive legal support to Construction, Operations & Maintenance Business Lines within a renewable energy company. Responsibilities include drafting and negotiating contracts, managing legal risks, and advising on legal matters.

Project Development Manager to originate, structure, and develop early-stage innovation and new technology projects in renewable generation assets. Will identify business opportunities, plan pilot projects, secure funding, and support startup assessment activities. Requires a Bachelor's or Master's degree in a relevant field, experience with European funding proposals, and pilot project experience.

Alignerr seeks experienced Clinical Systems Analysts to evaluate and provide feedback on AI-generated content related to healthcare systems and workflows. Responsibilities include reviewing AI outputs for technical accuracy, identifying gaps or errors, and translating clinical and operational requirements into actionable feedback.

Receptionist/Host to join the Front Office team at a luxury lifestyle hotel in Lisbon. Warmly welcome guests, manage check-in/check-out, handle reservations, and provide information about hotel services and local attractions. Collaborate with other departments to ensure guest satisfaction. Previous experience in a luxury hotel environment is preferred. Fluency in English and Portuguese is required.

Develop and maintain data-processing scripts using C#, SQL, and Python. Design, build, and maintain Power BI reports and dashboards. Analyze and document existing scripts, including legacy code. Provide support for the Abacus platform and assist users with data flows.

The Housekeeping Supervisor ensures cleanliness, presentation, and comfort meet luxury standards at ME Lisbon. Leads and supervises the housekeeping team, manages guest requests, and enforces hygiene regulations. Requires 2+ years supervisory experience in luxury hospitality, strong leadership, and proficiency in Portuguese and English.

Process Engineer responsible for managing and optimizing production processes to ensure efficiency, quality, and cost reduction. Implements improvements, coordinates teams, and meets deadlines, budget, and safety standards. Requires a Bachelor's degree in Engineering and 3+ years of experience in managing industrial projects and implementing process improvements.

The Sales Engineer will act as a strategic technical advisor supporting complex, multi-country sales engagements. This role involves leading discovery sessions, designing solution architectures, and positioning the commercial value of Sovos solutions.

Application Architect needed to develop and validate application architectures for a Payment Information System. Collaborate with teams to align architectural standards and prepare documentation. Requires 5+ years of experience in a technical environment, strong project management skills, and fluency in French (C1) and English (B1).

The Wealth Planner will provide tax, legal, and regulatory support for Utmost Wealth Solutions products in Portugal. Responsibilities include product literature development, project management, and ensuring compliance with Portuguese regulations.

The Product Owner will drive the development of TeamViewer Frontline, shaping a platform trusted by operational teams globally. Responsibilities include owning features, collaborating with stakeholders, translating customer feedback into requirements, and ensuring efficient delivery.

Senior Research Assistant to work on health service research projects. Requires a Master's degree in a relevant field and at least three years of experience in research project coordination, data management, and analytics. Fluency in English and Chinese is required.

The L2 Workplace Support Engineer resolves complex end-user issues within approved runbooks and tools. Troubleshoots incidents and requests related to Windows, macOS, iOS, Android, Microsoft 365, and identity/access. Executes standard service requests and escalates complex cases to Level 3. Analyzes root causes, proposes improvements, and documents findings. Applies security standards and triages security alerts.

Operador Logístico responsible for receiving, inspecting, storing, and shipping materials. Requires 3+ years of experience in logistics, warehouse, or shipping/receiving, strong organizational skills, and fluency in Portuguese and English (C2 level). Forklift operation experience and Dangerous Goods Certification are a plus.

Senior HR Specialist needed to manage the full employee lifecycle for 260 colleagues. Responsibilities include payroll processing, benefits administration, HR data management, and leading local HR projects. Requires a Bachelor's degree in HR, Business Administration, or a related field and proven experience in HR operations.