software English-speaking jobs in Leidschendam

Senior Thermal and Mechanical Engineer needed for a 6-month contract. Support the design of accelerator cards and platforms, ensuring mechanical fit and thermal performance. Test and validate cooling solutions, including thermal simulation, lab execution, and reporting. Requires a Master's degree in a relevant field and 5-10 years of experience in mechanical and thermal design for electronics products. Proficiency in CFD and FEM analysis, CAD software, and thermal simulation tools is essential. Strong communication and Python scripting skills are also required.

Sales Trader/Originator to drive commercial growth of Biomethane Europe business. Identifies and capitalizes on market opportunities to secure high-value off-take agreements. Negotiates contracts, manages client relationships, and provides market intelligence.

Intern or MSc thesis student to contribute to advanced modelling of integrated energy systems. Strong Python skills and knowledge of energy systems and techno-economic analysis required.

Provides security management support for the NATO Communications and Information Agency (NCIA) including monitoring systems, responding to alerts, and conducting security checks. Supports the Combined Federated Battle Laboratories Network (CFBLNet) and Platform Service managers. Requires 3 years of related experience, understanding of cybersecurity principles, and experience with Windows/Linux systems, network security, and SIEM tools.

Senior Financial Controller needed for interim role. 6-10+ years of accounting experience required. Strong month-end close, cash management, and balance sheet control skills essential. Dutch GAAP/IFRS and VAT compliance knowledge needed. Fluent English, Dutch preferred.

Maintenance Technicians will ensure optimal performance of systems at Bol.com locations in Nieuwegein and Waalwijk. Responsibilities include resolving malfunctions, performing inspections and maintenance, and managing spare parts.

Equal Experts seeks contract Enterprise Architects with senior-level experience to shape technology strategies for clients. Responsibilities include defining architecture roadmaps, partnering with stakeholders, and guiding delivery teams. Extensive experience in defining and evolving enterprise architectures in large organizations is required.

Lead business development and revenue growth for QPS's late phase CRO services across Europe. Build client relationships, secure new business opportunities, and collaborate with global teams.

Logistics Manager to own and optimize warehouse and logistics processes in a manufacturing environment. Focus on process improvement, material replenishment, inbound/outbound processing, and ERP implementation (D365). Requires 5+ years of experience in logistics/warehouse management and ERP implementation projects.

Provides professional support and consultation to clinics and optical partners. Advises on product usage, fitting, and prescription-related matters. Conducts on-site support, training, and seminars for customers.

This internship offers hands-on experience as a Duty Manager, connecting with guests and departments to resolve issues and improve guest experience. You will manage guest reviews, create personalized experiences for VIP guests, and contribute to a positive hotel environment.

Steward responsible for maintaining a clean and hygienic kitchen environment. Ensures cutlery, plates, and other kitchen needs are ready. Must be flexible with working various shifts, including weekends and holidays. Requires effective communication in English, Dutch is an advantage. Must be based in or near Amsterdam.

Experienced Naval Architect to support engineering team on new build, conversion, and refit yacht projects. Develop and manage yacht designs, ensure compliance with regulations, and provide technical input across project lifecycle.

Financial Controller needed for a mission-driven organization focused on reducing the fashion industry's environmental impact. Lead monthly close process, ensure financial reporting accuracy, and oversee accounting for multiple Dutch entities. 8+ years of accounting experience required.

Experienced Technical Event Producer & Spatial Designer needed to manage event technology and venue design. Responsibilities include drafting venue layouts, managing AV technology, and overseeing decor and furnishing logistics. Requires advanced Vectorworks skills, experience with large-scale event AV, and strong leadership and communication skills.

Junior Site Engineer needed for AC substation projects in Vlissingen and Schiedam. Requires electrical or electromechanical engineering background and interest in offshore energy.

Lead Project Scheduler to ensure projects are completed on time and within budget. Develop and implement project planning and scheduling strategies, including Work Breakdown Structures and Cost Breakdown Structures. Coordinate with project managers, cost managers, and contractors to review and analyze schedules, identify trends, and recommend improvements. Minimum 7 years of experience in project controls within the infrastructure sector, ideally aviation. Experience with Primavera P6 and Microsoft Project required.

Enhance operational efficiency and effectiveness by analyzing processes, identifying improvement opportunities, and leading continuous improvement initiatives.

Deliver parcels in the Nieuw-Vennep region, following a fixed route and providing excellent customer service. Must have a valid B driving license, at least MBO 4 level of education, and good Dutch and English communication skills.

Launch and operate the Stranger Soccer brand in The Hague. Responsibilities include securing partnerships, recruiting staff, driving player acquisition, and ensuring a high-quality game experience.