{"id":4199437,"url":"https://alion.io/job/ethos-engineering-limited-cfd-engineer-simstudio-projects","title":"CFD Engineer - Simstudio Projects","company":{"id":4418411,"name":"Ethos Engineering Limited","domain":"ethoseng.ie","url":"https://alion.io/company/ethoseng","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"B","score":79,"open_postings":7,"ghost_share":0,"stale_share":0.857,"repost_share":0,"time_to_fill_p50_days":24,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"junior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Dublin, Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ANSYS","optional":false},{"name":"AutoCAD","optional":false},{"name":"Microsoft Office","optional":false},{"name":"OpenFOAM","optional":false},{"name":"STAR-CCM+","optional":false}],"status":"live","first_seen_at":"2026-09-22T10:13:37Z","employer_posted_date":"2026-09-22","last_verified_at":"2026-11-12T21:42:03Z","board_verified":true,"closed_at":null,"days_open":51,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":51},"description":"About the Job\nThis is an exciting opportunity for a CFD Engineer to join the Sustainability & Building Physics team in Dublin, working exclusively on Simstudio CFD projects.\nSimstudio is a specialist CFD company based in Zoetermeer, the Netherlands, focusing on airflow, heat transfer, and smoke control studies for data centres, wind engineering, and fire safety. As part of the Ethos group, Simstudio collaborates closely with the Sustainability team in Dublin on international projects across Europe and the Middle East.\nIn this role, you will be an integral member of both teams - embedded in the Dublin office while working daily with the Simstudio CFD team in the Netherlands. Together, you will deliver advanced CFD simulations that inform the design and optimisation of high-performance, sustainable environments.\nThe position is hybrid, based in Ireland, with attendance at our Dublin office as determined by project needs.\nResponsibilities:\nCarry out CFD simulations to assess airflow, thermal performance, wind conditions, smoke movement, and environmental comfort.\n\nWork on advanced CFD projects for data centres, wind engineering, and fire safety applications.\n\nTranslate complex CFD outputs into clear, actionable recommendations for clients, architects, and engineering teams.\n\nCollaborate closely with both Ethos and Simstudio engineers to integrate CFD findings into overall design strategies.\n\nPrepare detailed technical reports, visualisations, and presentations for internal and external stakeholders.\n\nContribute to the development of modelling methodologies, QA/QC procedures, and R&D initiatives within the joint CFD team.\n\nAbout you\nExperience & Qualifications\nBachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or a closely related field.\n\n1-3 years of relevant experience in CFD analysis within building physics, mechanical systems, or similar applications (exceptional graduates will also be considered).\n\nTechnical Skills\nStrong understanding of fluid dynamics and heat transfer principles.\n\nExperience with CFD software such as ANSYS Fluent/CFX, Star-CCM+, OpenFOAM, or equivalent.\n\nFamiliarity with FDS (Fire Dynamics Simulator) or 6Sigma/DC Design is an advantage.\n\nExperience using AutoCAD, Revit, and MS Office for supporting workflows.\n\nSoft Skills\nExcellent analytical, organisational, and communication skills.\n\nAnalytical thinker with a structured approach and attention to detail.\n\nClear and confident communicator capable of explaining technical results to non-technical audiences.\n\nCollaborative mindset with the ability to work effectively in international, multi-disciplinary teams.\n\nSelf-motivated and proactive, with enthusiasm for innovation and sustainability.\n\nStrong sense of ownership and commitment to quality.\n\nWhy Join Us?\nJoin collaborative leaders - Work alongside experienced, approachable professionals who combine technical excellence with calm, supportive leadership.\n\nMake a real impact - Contribute to mission-critical infrastructure projects that support the digital and energy transition across EMEA and beyond.\n\nGrow with us - As a rapidly growing consultancy, we offer opportunities to develop your skills, broaden your experience, and build your career.\n\nShape a more sustainable future - Sustainability isn't an initiative-it's embedded in every project, every discipline, and every decision we make.\n\nWe offer:\nFlexible Fridays and a 9-day fortnight working schedule - enjoy every second Friday off to maintain work-life balance.\n\nA culture that values flexibility, learning, and teamwork, with clear progression pathways and support toward professional accreditation.\n\nOpportunities to work alongside some of the most experienced engineers in the industry, within a forward-thinking, technology-driven consultancy.\n\nBenefits:\nFlexible working times\n\n20 Days holidays up to 25 days\n\nPension Scheme\n\nRefer a Friend scheme\n\nGym / Fitness membership Allowance\n\nSubsidised Health Insurance Allowance\n\nHealthcare check-ups and flu vaccinations\n\nWorking travel out-of-pocket expenses\n\nTravel tax scheme or bike-to-work scheme\n\nRegular training/mentoring / further college support\n\nSupport for Chartership\n\nA Professional Subscription Fee paid by the company\n\nPaid Statutory Leaves\n\nHeavily subsidised social 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