78 English-speaking jobs in Haarlem

Senior Backend Developer will design, build, and maintain microservices written in .NET 8, running on Azure. Responsibilities include writing clean code, collaborating on solutions, and ensuring software quality. Experience with microservices, .NET 8, SQL, and Azure is required.

Leads European Medical Affairs, driving excellence, team performance, and capability building. Develops and executes capability-building programs, guides MSL teams, and ensures compliance with ethical and regulatory standards. Requires an advanced life sciences degree, 7+ years of experience in medical affairs, and proven track record of leading product launches.

Lead and develop engineering teams, ensuring reliable equipment performance and compliance with GMP, FDA/EMA, and internal standards. Drive process optimization, maintenance excellence, and reliability improvements. Manage projects, budgets, and external partners.

Datacenter Operations Engineer will assemble, deliver, and maintain datacenter infrastructure for internal and external customers. Responsibilities include deploying and maintaining racks, managing hardware and software updates, and resolving technical support tickets.

Electrical Engineer will design electrical systems and components for bulk material handling equipment. Responsibilities include producing technical deliverables, programming PLCs, troubleshooting systems, and creating CAD drawings. Requires a degree in engineering science and five years of experience.

Learning Lead to design, implement, and manage learning programs for the R&D organization. Responsibilities include developing learning plans, identifying training needs, and collaborating with subject matter experts. Requires a bachelor's degree, 5+ years of L&D experience, and fluency in English.

The Associate Director, Global Support Functions Communications Lead will develop and execute communications strategies for HR, Finance, Legal & Compliance, Procurement, and Corporate Affairs. This role will translate complex topics into engaging narratives for internal and external audiences, manage content across multiple channels, and collaborate with global communications teams.

Project Manager for Data Center Projects, managing all phases from design to on-site delivery. Experience in technical environments, including installation and commissioning, is required. Strong technical background and proven track record in delivering complete systems.

The Senior Director, IT – Global Procurement is responsible for shaping, governing, and executing the IT vision, strategy, and roadmap for the Global Procurement organization. This role serves as the primary IT stakeholder manager to global Procurement leadership, ensuring technology solutions enable business strategy, operational excellence, scalability, and innovation.

Develop and maintain C++/Qt software for assembly, calibration, and automated test equipment in a manufacturing environment. Improve existing codebases, integrate hardware interfaces, and troubleshoot production issues. Collaborate with teams to expand test capabilities and ensure product quality.

Java Software Developer needed for the world's leading motorsport results platform, Speedhive. Develop backend services for web, iOS, and Android apps using Java/Springboot. 4+ years of Java experience required, .NET/C# a plus. Strong communication skills in English.

Develop and maintain the Speedhive iOS app, a leading motorsport results platform with millions of users. Work with SwiftUI and UIKit, contributing to new feature development and app modernization. Collaborate with cross-functional teams in an Agile environment.

Iron Mountain seeks a Critical Facilities Technician for a full-time shift role in a 24x7 data center environment. Responsibilities include maintenance and oversight of critical electrical, HVAC, civil, and building management systems. The role requires strong attention to detail, organization, and the ability to follow safety procedures. Experience in a critical operations environment is preferred.

Design Engineer needed to develop and optimize mechanical components for landing gear systems. Requires 2+ years of experience in mechanical design (aerospace preferred), proficiency in CATIA V5 and GD&T, and a Bachelor's or Master's degree in Mechanical or Aerospace Engineering. Dutch nationality is required.

Datacenter Operations Engineer needed for a 24/7 shift-based team in Haarlem. Focus on server hardware, installations, and troubleshooting to ensure smooth datacenter operations. Must have hands-on experience with server hardware, Linux and Windows operating systems, and server troubleshooting.

QC Specialist inspects and verifies the quality of electronic components, non-electronic components, and peripherals. Performs visual, alcohol swipe, and scrape tests to ensure components meet specifications and are not counterfeit. Utilizes proprietary systems to document inspection processes and test results. Operates analytical instruments such as XRF, X-RAY, Microscopy, and others.

Drive profitable revenue growth through new business development and account management for the B-to-B market in the UK, Baltics, and Nordics. This role requires 2 years of international sales experience, a higher vocational education, and passion for active sports.

Mendix Developer will enhance and rebuild the company's platform, translating innovative ideas into future-proof solutions. Requires minimum 3 years of Mendix experience, Mendix Advanced Developer certification, and a bachelor's degree.

React Frontend Developer needed for a scale-up company. Develop new UI/UX presentations and implement features for a web application. 5+ years of professional application development experience and fluency in React are required. Experience with Python or other server-side languages is a plus.

Accountable for the effective operation and execution of the Supply Chain Function in the EMSO unit. Manages and improves supply chain planning capabilities to drive service level, inventory optimization, and cost reduction. Leads EMSO Supply Planning and participates in the Monthly Ops review and Regional S&OP forums. Ensures planning processes and routines at sites secure customer service and prevent stock outs. Manages supply risks and escalations to mitigate and contain supply issues. Leads forums with virtual site SC leads focusing on SC business results. Works with the global lead to build and align on site inventory targets and help drive inventory optimization program and projects. Leads/Manages and builds capability in the virtual sites SC heads in various aspects of supply planning.