Sustainability Engineer

About the role

As a Sustainability Engineer, you will play a pivotal role in conducting energy audits, implementing energy efficiency measures, and supporting the development of sustainable energy strategies for our diverse client base. You will work closely with senior engineers, project managers, and clients to deliver high-quality, cost-effective solutions that align with national and international sustainability goals

Essential Requirements

• Bachelor’s degree (NFQ Level 7) or higher in Energy Engineering, Mechanical/Electrical Engineering, Building Services, or a related field.
• Minimum of 3–5 years’ experience in energy engineering, sustainability consulting, or a related discipline.
• Experience completing energy audits (S.I. 426 Compliance).
• Regulatory Knowledge: Familiarity with Irish building regulations, energy performance standards, and sustainability certification systems (Climate Action Plan Targets).
• Communication Skills: Strong written and verbal communication skills, with the ability to present technical information to diverse audiences.
• Project Management: Ability to manage multiple projects simultaneously, demonstrating strong organisational and time-management skills.
• Driving License: Full, clean driving license and willingness to travel to client sites as required.

Desirable Requirements

• ISO50001 Implementation/Maintenance Experience
• CEM/CEA Accreditation
• Experience with energy modelling software building energy simulations, and thermal comfort analysis (BER Certification/Part L Compliance).

What We Can Offer You

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.

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.

• Winner of the Engineering Consultancy of the Year at the Engineering Excellence Awards 2025
• Winner of the Graduate Programme of the Year at the Engineering Excellence Awards 2025
• Winner of the Best Company to Work For at the Irish Design & Build Awards 2024 & 2025
• Winner of the Best People Development of the Year at the Engineering Excellence Awards 2024
• Winner of the Recruitment & Retention Strategy at the Workplace Excellence Awards 2024
• Great Place to Work certified consecutively since 2017
• Top 3 Company Best Workplaces in the medium-sized category at the Great Place to Work awards 2025
• Best Workplaces for Health & Wellbeing 2025 & 2026 Great Place to Work Awards
• Engineers Ireland CPD Accreditation since 20217
• Awarded for Hybrid Way of Working at the 2022 Great Place to Work Awards
• Silver Accreditation through Investors in Diversity 2025

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.