Senior Design Engineer

Osmii; Leinster; On-site; EUR 80,000 - 120,000; Full time

Job summary

Osmii in Ireland seeks a Senior Electrical Engineer to support hyperscale data centre developments. You will lead electrical design reviews, QA/QC, and advisory input across design, construction and commissioning phases.

Join a specialist data centre delivery team and help ensure MV/LV distribution, UPS, switchgear and protection systems meet project requirements and industry best practice, with independence in technical reviews and stakeholder coordination.

Qualifications

• Degree in Electrical Engineering.
• Chartered Engineer status or actively working towards chartership.
• 10+ years' experience in electrical building services, mission-critical facilities or data centre environments.
• Strong knowledge of MV/LV distribution, generators, UPS, switchgear, EPMS and protection systems.
• Experience reviewing electrical designs, calculations and contractor submissions.
• Excellent communication and coordination skills.

Responsibilities

• Lead electrical design reviews and technical assurance activities.
• Review electrical calculations, specifications and technical submissions.
• Assess system resilience and redundancy strategies.
• Review contractor shop drawings and commissioning documentation.
• Support resolution of RFIs and technical queries.
• Undertake site inspections and quality reviews.
• Participate in multidisciplinary design coordination meetings.
• Witness FAT, commissioning activities and IST.
• Review energisation strategies and handover documentation.
• Provide input into risk reviews and value engineering.

Skills

Electrical design reviews

Data centre experience

Technical advisory

QA/QC oversight

Stakeholder management

Education

Bachelor's degree in Electrical Engineering

Tools

EPMS

UPS systems

MV/LV distribution

Switchgear

Job description

Senior Electrical Engineer - Data Centres

Location: Ireland

A leading building and engineering consultancy is expanding its team with an experienced Senior Electrical Engineer - Data Centres to support the delivery of major hyperscale data centre developments across Ireland.

This is an excellent opportunity for an experienced electrical engineer looking to move beyond traditional design and take on a technical advisory role, overseeing quality, resilience and performance across large-scale, mission-critical projects.

You will join a specialist data centre delivery team, providing independent technical reviews, QA/QC oversight, commissioning support and Employer's Representative services on some of the most technically demanding projects in Ireland.

The role offers exposure to projects throughout the full lifecycle, from design and construction through to commissioning and handover. You will help ensure electrical systems are designed, installed, tested and commissioned to the highest standards, meeting client requirements and industry best practice.

You will work closely with clients, consultants, contractors, commissioning teams and specialist vendors to support successful project delivery.

Key Responsibilities

• Lead electrical design reviews and technical assurance activities.
• Review electrical calculations, specifications and technical submissions.
• Assess system resilience, redundancy strategies and operational performance.
• Review contractor shop drawings and commissioning documentation.
• Support the resolution of technical queries and Requests for Information (RFIs).
• Undertake site inspections and construction quality reviews.
• Participate in multidisciplinary design coordination meetings.
• Witness Factory Acceptance Tests (FAT), commissioning activities and Integrated Systems Testing (IST).
• Review energisation strategies and operational readiness plans.
• Support project handover, documentation reviews and technical close-out activities.
• Provide technical input into risk reviews and value engineering exercises.

Essential Requirements

• Degree in Electrical Engineering.
• Chartered Engineer status or actively working towards chartership.
• 10+ years' experience in electrical building services, mission-critical facilities or data centre environments.
• Strong technical knowledge of:
• Medium and Low Voltage (MV/LV) distribution systems
• Generators and standby power systems
• Uninterruptible Power Supply (UPS) systems
• Switchgear and transformers
• Electrical Power Monitoring Systems (EPMS)
• Electrical protection systems
• Power monitoring and control systems
• Commissioning and testing processes
• Experience reviewing electrical designs, calculations and contractor technical submissions.
• Strong communication, stakeholder management and coordination skills.
• Ability to work independently and manage technical reviews across multiple projects.

Desirable Experience

• Previous involvement in data centre project delivery.
• Experience witnessing FAT, SAT and IST activities.
• Background in QA/QC, Employer's Representative or technical advisory roles.
• Experience working on hyperscale or colocation data centre facilities.
• Exposure to operational readiness and commissioning support.
• Experience spanning design, construction and commissioning phases of major projects.