mechanical engineering English-speaking jobs in Leidschendam

The IT Ops Specialist will perform software implementation and maintenance, provide technical support to NATO Functional Area Services, and troubleshoot hardware and software issues.

Employee & Labor Relations Specialist manages employee relations matters, ensuring compliance with local labor legislation and internal policies. Advises HR Business Partners and managers on complex employee cases and supports constructive relationships with employee representatives.

The Inside Sales Specialist will engage with customers to generate leads, manage the sales pipeline, and support sales targets. This role will collaborate with the sales team to convert leads into sales opportunities.

Junior cleaner needed for various locations in Utrecht. Responsibilities include cleaning offices, schools, and healthcare facilities using professional equipment and products. Must have 1-2 years of relevant experience, be fluent in Dutch and English, and live within 30 km of Utrecht.

The Office & Facility Manager for the Benelux region will oversee facility management operations, office management, warehouse and logistics, and fleet management across multiple locations. This role requires strong interpersonal and people-management skills, experience leading operations, and fluency in Dutch and English.

Technicians are needed for powder production in a cleanroom environment. Responsibilities include weighing chemicals, blending mixtures, packaging media, preparing materials, and performing line clearance. Applicants must have good English skills, be able to work in a 3-shift schedule, and be comfortable working with chemicals.

Software Developer will design, build, and maintain scalable software systems. Experience in backend development using Python or Java is required. Android development experience in Kotlin or Java is a plus.

As a Medior Data Scientist, you will improve algorithms, design and productionize them, work on ETL pipelines, and communicate complex ideas. You will collaborate with engineers, analysts, and business stakeholders.

Business Development Specialist drives conversion of qualified prospects into meetings for the sales team. Focuses on outbound campaigns across LinkedIn, email, and direct channels, engaging investors, buyers, and strategic partners in private markets.

As an Operator B, you will carry out pharmaceutical production activities with blood plasma and related products. Responsibilities include performing production operations, recording deviations, ensuring quality control, managing the workplace, and adhering to GMP regulations.

Senior Process Technician / Operations Lead needed to support operational performance and technical oversight in a complex production environment.

Quality Engineer responsible for supplier performance, quality improvement, and risk mitigation. Develops and executes Supplier Improvement Plans, implements process optimization methodologies, and leads a team of Supplier Quality Engineers. Requires a Bachelor's degree in a relevant field, 7+ years of experience, and fluency in English.

Senior Graphic Product Designer to lead the visual identity of North Kiteboarding, North Foils, and Mystic products. Define and evolve graphic systems, color palettes, and visual narratives across kites, wings, boards, foils, and accessories. Collaborate with Technical Leads and Technical Designers to ensure visual quality and production feasibility.

Sustainability Intern will support ESG assessments, carbon footprint calculations, and sustainability gap analyses for clients. Responsibilities include building quantitative emissions models, developing sustainability roadmaps, and producing reports and presentations. Requires a Master's degree in a relevant field, experience with data analysis, and familiarity with ESG frameworks and reporting standards.

Senior Full Stack Developer to design, build, and maintain TypeScript services and React apps for internal operations. Must have advanced React, Node, and TypeScript skills and experience delivering full-stack features in fast-paced environments.

Experienced Customs and Trade Compliance Manager needed to lead global Customs operations and strategy across EMEA and beyond. This role involves ensuring compliance with global trade laws, collaborating with cross-functional teams, and driving continuous improvement across Trade Compliance processes.

Experienced Category Manager needed to drive commercial excellence and strategic supplier relationships for IT services, software (including SAP), and global technology partners.

Experienced General Manager to lead pre-opening operations of a luxury 5-star hotel in Rotterdam. Responsible for guest satisfaction, financial performance, and maintaining the property's reputation. Requires leadership, strategic thinking, and operational expertise in luxury hospitality.

Project Manager needed for shipbuilding projects at a specialized shipyard. Manage project schedules, budgets, procurement, and multidisciplinary teams. Hands-on experience in a shipyard environment required. Bachelor's or Master's degree in Shipbuilding or Maritime Engineering preferred.

Chemical Engineer to support injection moulding and mold development. Expertise in injection moulding principles, material behavior, and process optimization required. Conduct feasibility assessments, perform mold flow analysis, and collaborate with toolmakers and production teams.