Senior Electrical Engineer - Data Centre

ORS; Dublin; Hybrid; EUR 90,000 - 150,000; Full time

Benefits offered by this job

Remote-first hybrid model

Performance-related bonus

Pension scheme

Flexible working hours

Health & wellbeing programs

CPD funding

Annual leave & wellbeing benefits

Job summary

ORS is seeking a Senior Electrical Engineer – Data Centre in Ireland to lead electrical design, technical assurance and QA/QC across hyperscale projects. You will oversee reviews, FAT/IST witness activities and commissioning, ensuring high standards of resilience and performance.

You will guide design teams, collaborate with clients, consultants and contractors, and advance engineering quality from design through handover on mission‑critical data centre schemes.

Qualifications

• Degree in Electrical Engineering is required.
• Chartered Engineer status or working towards chartership is preferred.
• 10+ years' experience in electrical building services, mission‑critical facilities or data centres.
• Experience reviewing electrical designs, calculations and contractor submissions.

Responsibilities

• Lead electrical design and technical assurance reviews.
• 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 RFIs.
• Carry out site inspections and construction quality reviews.
• Participate in multidisciplinary design coordination meetings.
• Witness FAT, commissioning activities and IST.
• Review energisation strategies and operational readiness plans.
• Support project handover, documentation reviews and technical close‑out activities.
• Provide input to risk reviews and value engineering exercises.

Skills

MV & LV distribution knowledge

Generators

UPS systems

Switchgear

Transformers

EPMS platforms

Protection systems

Power monitoring and control

Commissioning and testing

Review electrical designs & contractor

Communication & stakeholder mgmt

Independent multi-project work

Education

Electrical Engineering degree

Tools

EPMS Platforms

Job description

About the Role

As one of Ireland's most progressive and people-focused building consultancies, we are expanding our team with an experienced Senior Electrical Engineer – Data Centre to support the delivery of major hyperscale data centre developments in Ireland.

This is an excellent opportunity for an experienced electrical engineer who wants to move beyond traditional design and become a trusted technical advisor overseeing quality, resilience and performance on large-scale mission-critical projects.

You will work within ORS's Data Centre delivery team providing independent technical review, QA/QC oversight, commissioning support and Employer's Representative services for some of the most technically demanding projects being delivered in Ireland.

You will provide technical leadership across Data Centre and mission-critical projects throughout design, construction, commissioning and handover phases. The role is focused on ensuring electrical systems are designed, installed, tested and commissioned to the highest standards while 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 and technical assurance reviews.
• 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 RFIs.
• Carry out 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 to risk reviews and value engineering exercises.

Essential Requirements

• Degree in Electrical Engineering.
• Chartered Engineer status or working towards chartership.
• 10+ years' experience within electrical building services, mission-critical facilities or data centres.
• Strong knowledge of:
  • MV and LV Distribution Systems
  • Generators
  • UPS Systems
  • Switchgear
  • Transformers
  • EPMS Platforms
  • Protection Systems
  • Power Monitoring and Control Systems
  • Commissioning and Testing Processes
• Experience reviewing electrical designs, calculations and contractor submissions.
• Strong communication and stakeholder management skills.
• Ability to work independently and manage technical reviews across multiple projects.

Desirable Requirements

• Data centre project delivery.
• FAT, SAT and IST witness activities.
• QA/QC, Employer's Representative or Technical Advisor experience.
• Hyperscale or colocation facility projects.
• Operational readiness and commissioning support.
• Experience working across design, construction and commissioning phases of major projects.

What We Can Offer You

Being part of ORS means more than just a job, it means joining a company that invests in you and your ambitions with transparency, structure and support.

We are delighted to offer a suite of benefits when you join ORS, which include:

• Competitive salary
• Performance-related bonus
• Pension scheme with matching contributions
• Remote-first hybrid model - use your home as a base and any of our office locations as you see fit
• Work from abroad
• Flexible working hours
• Access to over 60 health disciplines through our Kara Connect Platform
• Continuous Professional development (CPD) programme & funding
• Paid maternity, paternity and fertility leave
• Company and birthday annual leave days
• Death in Service benefit
• Tax saver - travel and bike to work
• Culture, social, wellness and CPD committees
• Talent Development Programmes
• Access to leading career coach Gerry Duffy

About ORS

ORS is a world-class multidisciplinary building consultancy with more than 30 years of delivering technical excellence across the built environment. Our mission is simple but powerful: We endeavour to make the lives of our team, clients, partners and communities happier and better in the ways that really matter every single day.

Don’t just take our word for it! ORS has won numerous awards, recognising our Great Place to Work culture.

• Ranked 27th Best Small & Medium Workplace in Europe, Great Place to Work 2026
• Winner of Best Workplace for Remote & Distributed Teams, Workplace Excellence Awards 2026
• Winner of HR Team of the Year, Workplace Excellence Awards 2026
• Winner of Best Workplace for Diversity, Equity & Inclusion, Workplace Excellence Awards 2026
• Winner of Consultancy Firm of the Year, Irish Design & Build Awards 2026
• Winner of Engineering Consultancy of the Year, Engineering Excellence Awards 2025
• Winner of Graduate Programme of the Year, Engineering Excellence Awards 2025
• Winner of Best Company to Work For, Irish Design & Build Awards 2024 & 2025
• Top 3 Medium‑Sized Company, Great Place to Work Awards 2025
• Best Workplace for Health & Wellbeing, Great Place to Work 2025
• Silver Accreditation, Investors in Diversity 2025
• Winner of Best People Development of the Year, Engineering Excellence Awards 2024
• Winner of Recruitment & Retention Strategy, Workplace Excellence Awards 2024
• Great Place to Work Certified consecutively since 2017
• Engineers Ireland CPD Accredited since 2017

ORS is committed to creating a diverse and inclusive company culture. We foster a culture of inclusion for all employees that respects and supports their individual strengths and experiences.