About the role:The Power Systems Engineer will play a key role within Ethos Engineering’s Data Centre Group, supporting the design and delivery of resilient electrical power infrastructure for mission-critical facilities. The role focuses on power systems analysis and MV/LV distribution design within a building services consultancy environment, working closely with electrical, mechanical, BIM and commissioning teams.About you:Degree in Electrical Engineering or Power Engineering.1+ years’ experience in electrical or power systems engineering, ideally within a building services or consultancy environment.Experience working on data centre, pharmaceutical, life sciences or other mission-critical facilities is highly desirable.Familiarity with European and UK electrical standards (IEC, BS, IS).Strong understanding of electrical power systems within building services and mission-critical environments.Experience delivering power system studies such as:Short circuit calculations (IEC 60909)Load flow analysis (HV / MV / LV)Protection coordination and selectivity studiesArc flash and power quality studiesHarmonic and transient analysisExperience with MV and LV system design, including transformers, switchgear, generators, UPS (AC/DC) and emergency power systems.Familiarity with earthing and lightning protection design for complex facilities.Working knowledge of AutoCAD and Revit within a building services design environment.Understanding of data centre power resilience concepts (N, N+1, 2N architectures).About the job:Act as a power systems specialist within multidisciplinary building services design teams on data centre projects.Undertake electrical power system studies to support data centre design, including load flow, short circuit, protection coordination, arc flash and harmonic analysis.Support the design of MV and LV distribution systems for data centres, including substations, transformers, generators, UPS systems and critical power architectures.Develop and review single line diagrams, power system schematics, protection philosophies and technical reports.Carry out detailed electrical calculations in accordance with IEC, BS, IS and relevant international standards.Interface with utility providers and support grid connection assessments for data centre developments.Review vendor and contractor technical submissions, ensuring alignment with the design intent and performance requirements.Support commissioning activities, including FATs, SATs and system energisation planning where required.Contribute to QA processes, ensuring technical accuracy, compliance and consistency across project deliverables.Provide technical support and mentoring to junior electrical engineers within the team.Liaise with clients, contractors and other stakeholders to resolve technical challenges during design and construction.Soft Skills & Team FitStrong analytical mindset with excellent attention to detail.Confident communicator, able to explain complex power system concepts to both technical and non-technical stakeholders.Comfortable working as part of multidisciplinary design teams in a fast-paced consultancy environment.Proactive approach to problem-solving and continuous improvement.Why Join Us?At Ethos, we’re dedicated to fostering an environment that encourages both technical excellence and personal wellbeing. As a Power Systems Engineer, you’ll be part of a highly skilled, collaborative team that leverages innovation and simulation to shape more sustainable and efficient designs across diverse projects.We offer:Flexible Fridays and a 9-day fortnight working schedule — enjoy every second Friday off to maintain work–life balance.A state-of-the-art office in Charlemont, Dublin 2, designed to promote collaboration, innovation, and wellbeing.A culture that values flexibility, learning, and teamwork, with clear progression pathways and support toward professional accreditation.Opportunities to work alongside some of the most experienced engineers in the industry, within a forward-thinking, technology-driven consultancy.Benefits:Flexible working times20 Days holidays up to 25 daysPension SchemeWorking travel out-of-pocket expensesTravel tax scheme or bike-to-work schemeRegular training/mentoring / further college supportSupport for ChartershipSubsidised Health Insurance AllowanceA Professional Subscription Fee paid by the companyPaid Statutory LeavesHealthcare check-ups and flu vaccinationsGym / Fitness membershipHeavily subsidised social committee (5 a side, golf society, climbing club and regular social events)Our vision is to: “Be the company people want to work with, and for”Our values differentiate and focus us every day to be EPIC - for our people and our customers.
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