Power Systems Engineer (Data Centres)

About the role:

The Power Systems Engineer will play a key role within Ethos Engineerings 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 studies

  • Arc flash and power quality studies

  • Harmonic and transient analysis

• Experience 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 N1 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 Fit

• Strong 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 were dedicated to fostering an environment that encourages both technical excellence and personal wellbeing. As a Power Systems Engineer youll 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 worklife 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.