The positionAs a Business Analyst, you will act as a key interface between business stakeholders and technical teams within complex Telecommunications environments.Thanks to your technical background (developer, tester, system engineer or similar), you are able to deeply understand IT systems, architectures and constraints, and translate business needs into clear, structured and actionable requirements.You will be involved in the full project lifecycle, from requirement gathering to solution delivery, ensuring alignment between business objectives, technical feasibility and quality standards.Your main responsibilities include:Collecting, analyzing and formalizing business requirements from internal and external stakeholdersTranslating business needs into functional and technical specificationsCollaborating closely with developers, testers, architects and product ownersSupporting solution design with a strong understanding of technical impacts and dependenciesParticipating in testing phases (functional validation, UAT) and ensuring requirements traceabilityManaging changes, risks and impacts throughout the project lifecycleContributing to continuous improvement of processes, tools and methodologies in a Telecom contextYour profileMinimum 5 years of experience as a Business Analyst, preferably in TelecommunicationsTechnical background as a developer, tester, system engineer or similar roleStrong understanding of IT systems, APIs, data flows and software development lifecyclesProven experience working in complex, multi-stakeholder environmentsAbility to bridge the gap between business and technical teamsExcellent analytical, communication and documentation skillsFluent English is mandatoryDutch (NL) is a strong plus (French is also appreciated)Experience with Agile / Scrum methodologies is an assetWorking ConditionsPermanent contract with an attractive salary packageCompany car with fuel cardRepresentation feesMeal vouchersMobile phone subscriptionGroup insurance & healthcare insurancePossibility of remote work20 legal vacation days + 12 compensatory daysWhat we offer Access to exciting projects in key sectors: Transport, Energy, Automotive, Telecom, FinanceA diverse client base: Collaborations with both large corporations and smaller dynamic companies across BelgiumA real career development plan: Continuous training, coaching, daily knowledge sharingAn innovative and collaborative environmentAbout ALTENALTEN is a world leader in engineering and technology consulting, with over 57 000 employees in more than 30 countries. We support major companies in their innovation, R&D, and digital transformation projects across sectors such as automotive, aerospace, energy, finance, life sciences, and telecommunications.Present in Belgium for over 25 years, ALTEN Belgium operates from its offices in Brussels and Antwerp. Today, with a team of 700 consultants ALTEN Belgium offers a wide range of expertise across Engineering, Life Sciences, and IT fields. From Automotive to Railway, and Medtech to Agrifood, our experts deploy their knowledge to provide innovative solutions in a dynamic and forward-thinking environment.Ready for a new challenge?Apply now and take part in innovative and impactful projects at ALTEN Belgium!