Job TitleMechanical Project Engineer – Offshore Energy Projects – English required – ALTEN BelgiumThe RoleAs part of our continuous growth, ALTEN Belgium is looking for a Mechanical Project Engineer to support large-scale offshore energy infrastructure projects in Belgium.You will work within a multidisciplinary engineering team and support the delivery of AC offshore substations, focusing on the engineering and execution of mechanical systems. You will contribute to design review, testing, and construction support activities to ensure technical quality and project readiness.Your ResponsibilitiesSupport the mechanical engineering scope for offshore substationsReview and validate technical documentationParticipate in Factory Acceptance Tests (FAT)Provide engineering support to construction and installation teamsCoordinate with electrical, instrumentation, SCADA, quality, HSE, contracting, and PMO teamsTechnical Scope (Mechanical Systems)Firefighting systemsHVAC systemsCranes and lifting equipmentWater and utility systemsYour ProfileMinimum 6 years of relevant experience in EPC or large industrial projectsExperience in the offshore sector is a strong assetDegree in Mechanical or Electromechanical EngineeringStrong communication and teamwork skillsStructured, independent, and precise working styleProactive mindset and fast learnerExcellent knowledge of MS OfficeLanguagesEnglish: fluent professional level (required)Dutch: assetWorking ConditionsPermanent contract or long-term consultancy assignmentOpportunity to work on strategic offshore energy projectsDynamic, international, and multidisciplinary environmentWhat We OfferAccess to challenging projects in key sectors: Energy, Transport, Automotive, Telecom, Finance…A wide variety of projects across Belgium with leading industrial playersContinuous learning through training, coaching, and knowledge sharingA collaborative and innovative working environmentAbout ALTENALTEN is a global leader in engineering and technology consulting, with more than 57,000 employees in over 30 countries. We support major companies in their innovation, R&D, and digital transformation projects across sectors such as energy, automotive, aerospace, life sciences, finance, and telecommunications.Present in Belgium for over 25 years, ALTEN Belgium operates from offices in Brussels and Antwerp, with more than 700 consultants delivering high-value expertise in engineering, life sciences, and IT.Ready to contribute to the energy transition?Apply now and take part in high-impact offshore energy projects with ALTEN Belgium