intern internship English-speaking jobs in Siena

Results-driven Plant Director to lead all site operations for a fast-growing international food producer. Own P&L, drive operational excellence, and prepare infrastructure for expansion. Requires 10+ years of plant leadership experience.

Quantitative Research Consultant for a 2.5-month RoI analysis in Afghanistan. Focus on climate change/water scarcity and displacement drivers across WASH, health, and education sectors. Requires PhD and 7+ years in applied economic research.

Marketing Manager defines product strategy and implements tactical plans for biosimilars. Requires 5-7 years in healthcare/pharma, scientific/economic degree, and fluency in Italian and English.

Shift Doctor role assisting the Medical Director in patient management. Responsibilities include selecting dialysis methods, personalizing treatment, handling medical issues, and collaborating with nurses. Requires a medical degree and professional registration.

Seeking a native Italian female voice talent, mature (35-55), for remote projects. Must have recording setup and experience in voice acting or narration. Conversational and clear delivery is required.

Senior commercial role owning key travel supplier and distribution relationships. Responsibilities include managing Amadeus/GDS and IATA operations, leading negotiations, and managing a small team. Requires 8+ years in travel tech.

Lead and develop the commercial strategy for the luxury intermediary channel across Mangia's Hotels & Resorts. This role involves negotiating agreements with international luxury partners and managing the dedicated commercial team.

Head of Manufacturing at Induno Olona holds overall accountability for site operations, ensuring production plans meet safety, quality, and cost targets. Leads teams using TPM and Lean principles. Requires technical degree and senior manufacturing experience.

In this Italy‑focused sales role you will expand our footprint across key sectors, generate new business, and support the distributor network. You will identify customer problems, propose practical solutions, and develop product ideas into trials with the innovation team. This role offers growth within a growing company and frequent collaboration with the UK team.

Global Market Strategist responsible for formulating and communicating macro and economic insights to clients and media. This role requires expertise in financial markets, strong presentation skills, and fluency in English and Italian.

Manage project installation engineering teams, providing technical guidance for offshore construction and wind projects. Requires engineering degree, English B2, and familiarity with deepwater subsea installation techniques. Offshore rotations are mandatory.

Build and maintain OpenClaw skills and develop CLI tooling for a large internal AI agent fleet. Own end-to-end agent harness engineering, optimizing LLM infrastructure and hardening sandboxes. Requires 5+ years in software engineering with 2+ years in AI agent systems.

Site Manager for Construction ensures projects finish on time and within budget. Responsibilities include EPC contract management, overseeing contractor activities, and maintaining strict site safety protocols. Requires 7-10+ years of site operations experience.

Seeking a motivated Junior Sous Chef for Hotel Le Fontanelle. Responsibilities include managing the kitchen brigade, overseeing daily operations, and ensuring high quality standards. Requires experience in high-end settings and knowledge of culinary techniques.

Voice Recording Specialists record natural speech samples to train AI speech systems. Responsibilities include reading scripts, varying tone, and ensuring clean audio. Candidates need a clear voice and a quiet recording environment.

Own Renesas solution marketing strategy for motor drives in EMEA. Analyze market drivers, define roadmaps, and promote solutions to drive new customer acquisition and growth. Requires 7+ years in relevant technical business development.

Oversee installation, testing, and commissioning of HVAC and piping systems in oil and gas facilities. Responsibilities include supervising fabrication, erection, and coordination with subcontractors while ensuring adherence to engineering specifications and HSE requirements.

Lead the Mathematics Section at ICTP, supervising 10-15 scientists. Define research directions, build international partnerships, and provide scientific guidance. Requires a Ph.D. and 10+ years of relevant research experience.

Cell Therapy Field Clinical Advisor builds expertise across indications, leading compliant communications, and supporting site readiness. This role optimizes enrollment, generates field insights, and coordinates cross-functionally to advance clinical trials.

Director, HAE / ANDEMBRY Brand Lead develops and implements international HAE and ANDEMBRY brand strategy. This role leads the International Brand Team, translating insights into executable portfolio plans across markets.