react English-speaking jobs in Lummen

The Electro-Mechanical Site Supervisor oversees the on-site execution of projects, including mechanical and electro-mechanical equipment installation, piping systems, and metallic structures. This role ensures compliance with technical specifications, planning, budget, and quality standards. The supervisor reports to the Design Coordinator and Project Manager/Construction Manager.

Experienced Consulting Industry Partner to lead strategic engagements across EU Institutions. Drive consulting growth, define and lead engagements, and manage P&L. Requires 15+ years in management or technology consulting with a strong C-level network and fluency in English and Dutch.

As an SDR at Open.cx, you will qualify inbound leads, generate outbound pipeline, and set up discovery calls for Account Executives. You will research target accounts, build context before outreach, and use email, LinkedIn, phone, and events to reach decision-makers.

International Key Account Manager to manage and grow key accounts across Europe, collaborating with Customer Service and stakeholders on projects. Requires fluency in Dutch, French, and English, proven technical sales experience, and the ability to travel 30% in Western Europe.

As the sole Legal Counsel, you will ensure compliance of innovative digital solutions with Belgian insurance regulations. You will provide legal advice, manage contracts, and coordinate risk and litigation.

Senior Test Engineer needed for freelance project until September (potential extension). Full-time, hybrid role (2 days onsite) in the Mechelen region. Requires 8+ years of experience in end-to-end testing (frontend & backend), SQL, APIs (REST/SOAP), Java, and scripting.

The Sales Account Manager develops new business and manages sales activities for assigned Strategic Accounts/Buying groups in Flanders. Responsibilities include providing day-to-day support, presenting solutions, negotiating pricing, and training customers.

Senior Platform Engineer to lead the design, implementation, and evolution of the Kubernetes platform on Azure (AKS), with a focus on service mesh (Istio), platform engineering, and enterprise-scale standards.

Data Specialist to support a major energy client in Brussels. Contribute to strategic projects, analyze data, and assist development teams. Requires 3+ years of data experience, skills in analysis, engineering, and visualization, and proficiency in Python, SQL, and at least two data technologies. Fluent in English and French.

Provides travel and customer care support for the DiscoverEU program. Responsibilities include responding to participant inquiries, coordinating travel logistics, and ensuring compliance with internal procedures.

Penetration Tester will lead and participate in Red/Blue Team exercises, conduct web, infrastructure, and application penetration testing, and provide security design reviews and consultancy.

Provides support to EMEA Product Manager(s) on all aspects of product life cycle management and go to market activities. Focuses on product master data management, ensuring accurate product information for sales support tools and marketing communication. Coordinates publishing needs for marketing communications and supports new product launches.

Employment law associate needed for full-time or part-time on-site role in Brussels. 3-5 years of experience in employment law required. Responsibilities include legal research, drafting, client advice, and business development. Trilingual (English, Dutch, French) required.

Senior Manager to lead and grow the CFO Advisory Practice. Responsibilities include leading complex engagements, team leadership, client impact, and business development. Requires 8-15+ years of experience in consulting or industry advisory roles with expertise in CFO agenda topics and a proven track record in leading teams and managing complex client engagements.

Technical Delivery Team Lead will lead customer projects, support solution design, and manage a small engineering team. Responsibilities include code review, project management, and team coaching. Experience in Java, Elasticsearch, Apache Kafka, and Kubernetes is required.

Campaign Manager responsible for influencer casting, contracting, and campaign management for major clients. Manages relationships with influencers on a Belgian and European level and supervises video productions. Collects campaign data and prepares reports for clients. Requires strong communication, negotiation, and problem-solving skills. Fluency in English and French is essential. Bachelor's degree and social media experience preferred.

Provides administrative and office support to a team in the Brussels office. Responsibilities include scheduling meetings, managing correspondence, ordering supplies, and maintaining office equipment. Requires fluency in English and Dutch, proficiency in Microsoft Office Suite, and strong organizational and communication skills.

Support the Innovation team in identifying, developing, and validating new growth opportunities. Assist in concept development, testing, and analysis, contributing to innovation pipeline strategy.

Senior IT Project Manager needed for a major, long-term roadmap delivering complex communication systems in a regulated environment. 5-10 years of experience managing technically complex projects, ideally in aviation, critical infrastructure, or a safety-regulated field. Must have deep technical understanding of Voice Technologies and Networking/IT Infrastructure. Fluency in English and either Dutch or French required.

Project Engineer needed for electrical infrastructure projects (380, 220, 150, 70, and 36kV). Focus on protection and automation systems and control systems. Collaborate with Project Leaders and Project Engineers on technical implementation, design, and project monitoring.