python English-speaking jobs in Lessines

Senior Corporate Account Manager will manage a portfolio of corporate partners in Belgium, building strong relationships and driving revenue growth. Responsibilities include account management, negotiation, strategy development, performance analysis, and cross-functional collaboration. Requires 2-4 years of B2B relationship management experience, strong communication skills, and proficiency in English, Dutch, and French.

Senior Legal Counsel will support Ericsson's global Competition and Antitrust team. The role involves mitigating and managing competition/antitrust risk, counseling stakeholders on competition law, and developing and maintaining competition law programs.

The Laboratory Technician supports the development of sustainable construction solutions by performing tests on construction materials, soil stabilization systems, and lime-based or recycled materials. Responsibilities include overseeing daily lab operations, conducting mechanical and material tests, analyzing results, preparing reports, and collaborating with internal and external teams.

This 4-year PhD position focuses on lymphatic and vascular complications in patients with failing Fontan circulation. The successful candidate will analyze clinical data, study lymphatic changes in a sheep model, and apply advanced imaging techniques to assess hemodynamic and lymphatic changes.

Junior Maintenance Technician performs preventive and corrective maintenance on machinery, cooling systems, and installations. Requires basic knowledge of mechanics, hydraulics, and electricity, as well as a valid forklift license. Must be able to work safely and maintain a clean work environment.

Automation (OSI PI) Engineer needed to integrate OSIsoft PI systems with MES, ERP, and other platforms. Implement high-availability systems, provide user training, and support PI Server configuration. Requires a master's degree in engineering, 3+ years of experience in automation and cloud platforms, and proficiency in English and French.

Forvis Mazars Group seeks a Junior Auditor to join its Brussels office in September 2026. The successful candidate will conduct audit procedures, analyze financial data, prepare reports, and identify internal control weaknesses.

Finance & Administration Officer providing accounting, payroll, and office support. Manages invoices, bank transactions, and expense claims. Assists with month-end and year-end closing. Supports onboarding, personnel files, and office management.

Full-time academic position in Clinical Psychology and Psychopathology at the ULB Faculty of Psychology, Educational Sciences and Speech Therapy. Applicants must have a PhD in Psychological Sciences or related field and submit a research project aligned with the faculty's expertise.

As a Data & Process Consultant, you will analyze, optimize, and implement business processes and data-driven solutions for clients. You will lead complex transformation projects, bridging operations, IT, data teams, and stakeholders. You will design practical, scalable, and measurable solutions, combining business insight, technological expertise, and analytical thinking. You will analyze data flows, design data models, and translate business needs into data architecture requirements. You will also advise clients on best practices in process design, operational excellence, and digital transformation.

The International Emissions Trading Association (IETA) seeks an EU Policy Director to lead its Brussels team and advance market-based climate policies. Responsibilities include representing IETA members, developing advocacy strategies, and analyzing EU climate policy developments.

The Project Manager will plan, coordinate, and monitor the implementation of EU affairs and executive training projects and courses, both onsite and online. Responsibilities include developing training needs analysis and design strategies, managing project budgets, engaging stakeholders, and ensuring quality assurance. The ideal candidate will have a postgraduate degree, minimum five years of relevant experience, fluency in English and French, and a strong understanding of EU institutions and policies.

The Solutions Journalism Network's Train-the-Trainers program is a two-week online program for journalism trainers, editors, reporters, media experts, and educators. Participants will learn to teach solutions journalism, including its criteria, practices, and applications in various contexts.

Lead and empower multiple engineering teams to achieve business outcomes for a widely used developer productivity platform. Manage three or more engineering teams, identify risks, and contribute technically.

Provide customer service support to German and Polish-speaking customers via phone, email, and other channels. Coordinate service appointments and liaise with technicians.

Software Engineer will perform technical innovation activities, design and develop software for security products, and collaborate with teams to integrate new technologies. Requires 3+ years of experience, a master's degree in computer science or related field, Python experience, and strong communication skills. Must be a citizen of a NATO member state.

Senior Principal Scientist will lead activities related to investigational product preparation and administration instructions (IPPI) for clinical trials. Responsibilities include creating IPPI, ensuring compliance with regulations and best practices, and providing consultation to J&J Innovative Medicine. Requires a Bachelor of Science in Nursing or Doctor of Pharmacy and 10+ years of experience in a patient care setting with knowledge of USP requirements for investigational agents.

Drive innovation and shape the narrative of success as a Key Account Manager for Just Eat Takeaway's grocery venture in Belgium. Develop and manage strategic partnerships with major grocers and convenience stores, ensuring alignment with their objectives and exceeding sales targets.

Territory Sales Manager will support and develop aftermarket sales across the Netherlands, Belgium, and Luxembourg. Responsibilities include conducting customer visits, collaborating with teams in Terrassa and Leuven, and working with distributors. Requires a bachelor's degree in engineering or related field, first experience in technical sales, and fluency in Dutch and English. German is a plus.

Business Analyst Procurement will support users on the Coupa platform, collaborate with stakeholders on integrations and SAP MM configuration, and prepare reports for procurement leadership.