Role Title: Senior Controller - SettlementReports to: Head of Settlement, Stakeholder Engagement and Registration Location: Belfast or DublinWho We AreSONI (System Operator for Northern Ireland)powers Northern Irelands electricity grid connecting homes,businessesand communities with the energy they need, every day.Wereplaying a critical role in shaping a cleaner, more secure energy future, and our people are at the heart of that mission.At SONI,werebuilding a workplace where everyone feels welcome, valued and supported to succeed.Wereproud to be recognised with theBelfast Telegraph Excellence in Workplace Health and Wellbeing Award, and asIrish News finalists for Excellence in Workplace Wellbeing and Diversity, Equity & Inclusion reflecting our commitment to an inclusive culture where diverse perspectives are encouraged and everyone can thrive.Collaborative, purpose-driven and forward-looking, we create an environment where you can grow, contribute and make a real impact.Join us and help shape a more sustainable future for everyone.The RoleThis role sits within the widerEirGridGroup, which includes SONI andEirGridplc, andoperatesacross the Single Electricity Market (SEM) for the island of Ireland.EirGridGroupoperatesand develops the electricity system across Ireland and Northern Ireland, playinga central rolein the transition to a low-carbon energy future. Through the SEM,operatedjointly by SONI andEirGridvia the Single Electricity Market Operator (SEMO), energy can flow efficiently across the island and into European markets.The Operations & Asset Management function is central to delivering real-time and near-time system and market operations on a 24/7 basis across the island.As aSenior Controller (Settlement), you will play a key role in operating settlement processes, ensuring timelines and KPIs are met in line with the Trading and Settlement Code. You will work collaboratively across SONI andEirGridteams, engaging with colleagues and market participants to support efficient,transparentandaccuratemarket operations.Key ResponsibilitiesSupport the Team Lead in coordinating and managing day-to-day settlement processing activitiesProvide subject matter and analyticalexpertiseto resolve escalated operational issuesInvestigate and respond to formal and general queries from market participants within agreed timelinesMonitor settlement activities to ensure compliance with procedures, codes and KPIs, acting as an escalation point whererequiredCollaborate with other Senior Controllers to support business processes across settlement activitiesPlan and coordinate tasks and projects to support settlement delivery and improvementsIdentifyrecurring issues, update procedures, and contribute to process and documentation enhancementsSupport the development,trainingand coaching of team membersParticipate in testing activities within the Settlements functionProduce andmaintainoperational and market reports, including daily reports, MOUGsubmissionsand periodic internal/external reportingIn cases of significant material impact, make recommendations to management and support implementation of agreed actionsCritical Knowledge,Skillsand ExperienceEssential:Third-level qualification (or equivalent) in Business,ITor a related disciplineMinimum 3 years experience in an administrative, operational, or business environmentStrong numerical,analyticaland problem-solving skillsExcellent communication skills, with the ability to convey complex information clearly (written and verbal)Proven ability to build andmaintaineffective relationships with internal and external stakeholdersStrong attention to detail witha high levelof accuracy and quality focusAbility to work collaboratively within a team, with a flexible and proactive approachDesirable:Experience working in a regulated environmentKnowledge of settlement processes, market codes,proceduresand systems within electricity marketsExperience in process improvement, reporting, or operational optimisationWhy join us?Play a vital role in shaping sustainable energy projects thatbenefitcommunities and the environment.Enjoy a competitive salary, performance-related bonus, private medical cover, and pension matching.Benefit from flexible working arrangements, including hybrid options (3 days office / 2 days home).Enhanced holidays, maternity and paternity leave and wellbeing days.Access salarysacrificeschemes (such as cycle to work, EV scheme), free car parking, onsite EVchargingand complimentary lunch.Access professional development opportunities and clear career progression pathways.We offer an inclusive culture that values diversity, supports flexible working and empowers you to grow. We know flexible working means different things to different people. Contact us ifyoudlike to talk about how this role could work for you.If you areseekinga challenging and impactful role within the energy sector,wedlove to hear from you. Join us in shaping the future of SONI and delivering a cleaner, more secure energy future for everyone living in Northern Ireland. We welcome applications from people with diverse backgrounds andexperience andencourage candidates who may not meet every requirement but bring enthusiasm, potential and relevant skills to apply.Closing date for applications is29 May 2026SONI reserves the right to extend this deadline wherenecessarytomaximisetheapplicantpool.Submit your application by uploading your CV with a cover letter (in one document).SONI is proud to be an equal opportunities employer. We are committed to an inclusive workplace where diverse perspectives are valued, and everyone can thrive. As a STEM organisation, we are continuing to strengthen gender diversity across our engineering and technology roles and welcome applications from women who want to build and apply theirexpertiseto Northern Irelands energy system.We have a duty to prevent illegalworkingand applicants mustdemonstratethey have a legal right to work in the UK. SONI is not providing sponsorship for this vacancy.Skills:Market Operations Settlements Energy MarketWHJS1_NI