controller English-speaking jobs in Rixensart

Support the design, analysis, and validation of electronic systems for HVAC solutions. Analyze system issues, perform EMC evaluations, and create technical documentation.

Seeking ambitious entrepreneurs to co-found and scale startups, specifically in Supply Chain. Candidates must take full responsibility for scaling to €100M+ in revenue and possess excellent English communication skills.

Integration Software Engineer in Test will design, drive, and execute software testing tasks for mobile applications. Responsibilities include conducting integration testing, implementing automated tests, and collaborating with development and QA teams to resolve issues. Requires a BSc/MSc in Computer Science or related field, 2+ years of experience in Software Testing including Test Automation, and experience with Mobile Application testing on production grade systems. Experience with Systems Integration testing of multi-component ecosystems, Java or JavaScript/Python programming, API Testing tools, version control systems, and defect tracking tools is also required. Fluency in English is essential.

Business Development Manager drives new customer acquisition, cultivates existing relationships, and collaborates with technical staff and suppliers.

Monizze seeks a dynamic Sales Executive to expand its presence in the Walloon region. The successful candidate will prospect for new clients, analyze their needs, and sell digital products and solutions. Experience in B2B sales, strong communication skills, and knowledge of the Wallonia region are required.

Wanty Group, a major player in construction, deconstruction, electricity, and water treatment, seeks talent to strengthen its teams.

VP Finance to own the financial engine end-to-end for a scaling mobile app portfolio. Responsibilities include FP&A, M&A financial underwriting, global reporting, and managing debt financing. Requires CPA and experience in tech/subscription businesses.

Head of Performance Marketing owns full-funnel paid media strategy across Meta, Google, TikTok, and Snapchat. This build-it role manages budget, optimizes campaigns, and drives scalable, profitable paid acquisition. Requires 4+ years of hands-on paid media experience, preferably in DTC FMCG/CPG.

Design and manage InterSystems IRIS environments, focusing on security and reliability. Responsibilities include operational tasks, data modeling, performance tuning, and automation using GitLab CI/CD and Ansible. Requires strong IRIS/ObjectScript and Python API knowledge.

R&D QA Manager to lead quality assurance for drug development at EyeD Pharma. Ensure compliance with national/international standards, oversee QMS, manage audits, and drive quality culture. Requires relevant Master's degree and 5+ years in pharma quality roles.

Senior Associate in Pan-European Consumer focused Private Equity. Responsibilities include origination, financial analysis, due diligence, and supporting portfolio companies across FMCG, healthcare, and digital retail. Requires experience in investment banking, consulting, or private equity.

QA Engineer needed for a 12-month VIE assignment starting October/November 2026 or January/February 2027. Responsibilities include ensuring product manufacturing and testing meet quality standards, managing quality systems, and monitoring contractor compliance. Requires a Master's degree in a relevant field, pharmaceutical industry experience, and fluency in French and English.

Athora is seeking motivated professionals in various fields to contribute to reinventing savings and pension solutions.

Lead a team of 5-7 software engineers in Leuven, developing iXGuard (C++/LLVM) or DexGuard (Java) solutions. Manage daily development, mentor engineers, and translate business needs into technical specifications.

As a Research Associate, you will analyze markets, identify top talent, and craft compelling market maps and presentations for leading Private Equity funds and family businesses. You will build connections with high-potential candidates and contribute to business development.

Build and scale the remarketing operation across three channels. Own the commercial machine and automation layer to handle high volume. Requires tech-native skills with tools like Airtable, Make, and n8n.

Tadao is seeking cooks, assistant managers, and student servers to join their team. They value passion, commitment, and team spirit.

Robotics Software Engineer to contribute to rewriting robotics application software on a new platform. Responsibilities include coding in C/C++ or Rust, optimizing embedded software, and testing. Requires a degree in engineering or software engineering.

.NET Consultant/Developer leads design and development of enterprise applications. Responsibilities include architecting scalable solutions using CQRS, DDD, and Clean Architecture, and developing MicroServices with modern front-end frameworks.

Silversquare is seeking talented individuals to join its dynamic team. We offer inspiring workspaces and a vibrant community across Brussels, Zaventem, and Luxembourg. We value ownership, engagement, pleasure, and team spirit.