qa English-speaking jobs in Leidschendam

Customer Service Supervisor to coach a team of 10, monitor performance, and maintain customer relationships. Responsibilities include driving continuous improvement and collaborating across departments. Requires 3+ years in a customer-facing role.

PLC/Automation Engineer needed for international projects. Responsibilities include PLC software development, HMI/SCADA configuration, testing, and onsite commissioning of automated machinery. Strong Siemens PLC experience is required.

Mobile Engineering Manager to lead the transition of a regulated mobile app to in-house ownership. Define processes, build/scale the team, and ensure compliance (ISO 13485, IEC 62304) for the Kaleido App.

Support chemists in daily synthesis and analytical lab operations. Responsibilities include performing chemical procedures, operating equipment like LC-MS/GC-MS, and maintaining lab standards. Requires a practical, detail-oriented approach to chemistry.

Full-time Account Coordinator required for the DACH team in the Customer Service Department. Responsibilities include managing customer inquiries, order processing, and providing sales support. Requires German C1/C2 and English fluency, a Bachelor's degree or equivalent, and excellent communication skills.

Senior Specialist supporting a global transformation program across MRO Parts, MRO Services, and IFM. Manage project portfolios, track performance, and drive optimization initiatives. Requires 5+ years in procurement, supply chain, or manufacturing operations.

Microsoft Purview DLP Analyst/Engineer needed for complex enterprise environments. Requires hands-on experience with Purview DLP across Exchange, SharePoint, OneDrive, Teams, and endpoints. Must know Purview data capabilities, governance, and policy architecture.

Mobile Test Engineer with 4-6 years' experience specializing in 4G/5G/LTE/WCDMA/CDMA and IMS technology. Expertise includes field/drive testing, protocol testing, and verification of 4G+5G technologies on live networks. Skilled in debugging using tools like Wireshark and QXDM.

Marketing Intern to support European marketing and sales activities. Assist with marketing materials, social media, trade fairs, and market research. Bachelor or Master student in Marketing, Communications, or related field.

Senior Sales Manager for a fast-growing international fintech. This new-business role focuses on winning SME and corporate clients across Europe, managing complex sales cycles end-to-end. Requires a proven track record in B2B sales.

Senior Director Finance & Operations leads EMEA Finance, Supply Chain, IT, and PMO. This role shapes long-term strategy, overseeing financial planning, logistics, and digital infrastructure to drive business evolution.

This onsite role supports laboratory operations through material preparation, sample management, logistics, and equipment support. Duties include preparing materials, managing sample receipt/shipping, and maintaining lab services.

Senior Manager, Trade Marketing drives growth for Non-EU, Non-China food categories across Europe. Leads trade strategy, develops growth plans, and executes campaigns with brands and merchants. Requires 6+ years in Trade/Category Marketing.

Service Engineer provides back-line technical support to partners. Responsibilities include establishing service processes, conducting technical training, and collaborating with support and R&D teams. Requires 3 years of technical experience with enterprise network products and fluency in English, French, and Dutch.

Proactive Junior Logistics Specialist needed to plan and coordinate truckload deliveries. This role involves collaborating with partners, managing operational issues, and ensuring accurate logistics documentation. A Bachelor's degree and English fluency are required.

Senior DevOps Engineer to own the internal IT environment, managing Microsoft SaaS and Azure, with exposure to AWS. Automate processes using ManageEngine, PowerShell, and GitHub. Requires several years of experience and a proactive mindset.

Experienced Solutions Engineer needed for a Voice AI company. Own the technical side of complex mid-market and enterprise sales cycles, designing solutions, delivering demos, and running POC/POVs. Requires 4+ years in a customer-facing technical role.

Digital Marketing & Communications Specialist to strengthen WCC's digital presence. This role combines digital marketing, content creation, campaign management, and website optimization using WordPress/Webflow.

R and D Engineer to lead product development for 24/7 renewable heat solutions. Responsibilities include designing, prototyping, and testing thermal energy storage and solar systems. Requires a Master's in Mechanical Engineering and 3+ years of relevant experience.

Entry-level Warehouse Assistant role in a busy logistics environment. Responsibilities include packaging, labeling, manual assembly, and repacking. Requires reliability, accuracy, and comfort with repetitive tasks.