Application Deadline November 21, 2025 Department firmus energy Employment Type Full Time Location Antrim, Northern Ireland Workplace type Hybrid Key Responsibilities Skills, Knowledge and Expertise Benefits About firmus energy firmus energy (supply) is Northern Ireland’s leading natural gas provider. Since our establishment in 2005, we have grown to serve over 113,000 residential and commercial customers. Our mission is to deliver safe, sustainable, and cost-effective energy solutions while prioritising customer satisfaction and innovation.