Senior/Senior Lead Analyst – Future Power Markets

Role Title: Future Power Markets Senior/Senior Lead Analyst Reports to: Future Power Markets Analyst Manager Location: Belfast (Hybrid) Who We Are SONI is Northern Irelands Transmission System Operator. We are the people behind Northern Irelands electricity grid. We make sure that every home, business, school, hospital,factoryand farm has power – when and where they need it. Andthatsjust the beginning of our story. We have a critical role to play in delivering a cleaner, cheaper more secure energy future for everyone living in Northern Ireland. Our focus is on safety,securityand reliability. Our work environment is challenging, fast-moving, collaborative and team orientated. Our culture is driven by continual development,knowledgeand teamwork. Our people are committed to reducing Northern Irelands reliance on fossil fuels and transforming the energy system to make decarbonisation a reality while providing a safe and reliable electricity supply in a way that secures the future for those who follow us. The work you will deliver with us here at SONI matters. Join a great and supportive team and be part of the transformation. The Role The Future Power Markets Senior / Senior Lead Analyst plays a critical role in shaping how Northern Irelands power markets evolve to support a secure, low-carbon electricity system. Reporting to the Analysis Manager Future Power Markets, the role sits within SONIs Networks and Innovation Directorate, a multidisciplinary team of engineers, economists and analysts delivering the transition to a cleaner and more sustainable energy future. Northern Ireland has a target to deliver 80% renewable electricity by 2030 and to achieve net carbon neutrality by 2050. This role contributes directly to those ambitions through advanced analytical insight, scenario modelling and market research that supports the operation,developmentand enhancement ofthe all-island power system and the wholesale electricity market. You will support and lead analytical work across future market design, cross-border and European market developments, and the Strategic Markets Programme (SMP). At Senior Lead level, the role includes leadership of analytical staff and ownership of complex, large-scale analytical projects. This position offers the opportunity to influence strategic decisions, deliver transformational change in electricity markets, and help shape the future energy system for consumers in Northern Ireland. Key Responsibilities Develop andmaintainadvanced analytical and data models to forecast power market trends, pricedynamicsand system outcomes. Deliver data-driven research and scenario analysis to support strategic decision-making across future power markets. Prepare clear, evidence-based analytical reports and insights for internal and external stakeholders. Present complex technical and market analysis in a concise and accessible way to senior leadership. Support market development activities, including cross-border and European market initiatives. Apply and continuously improve analytical methodologies,toolsand frameworks. Work collaboratively across teams and with external stakeholders to deliver programme goals. Additionalresponsibilities at Senior Lead Analyst level may include: Providing technical leadership and guidance to senior analysts. Managing and coordinating large-scale analytical projects, including market and economic modelling. Supporting delivery of the Strategic Markets Programme (SMP) and implementation ofShaping Our Electricity Future. It should be recognised that the nature of this post will evolve as business needs change, and the postholder will be expected to actively contribute to that development. Critical Knowledge,Skillsand Experience Essential: Relevant third-level qualification (e.g. data science, economics, engineering, powersystemsor related discipline). Typically5+ years experience in data analysis and modelling within the energy sector or similarly complex environment. Strong experience using analytical tools such as Python, R and Excel to manage and analyse large datasets. Proven ability to deliver high-quality analytical outputs to inform decision-making. Strong communicationskills with the ability to explain technical information to a range of stakeholders. Experience of working collaboratively in a fast-paced, team-based environment. Demonstrated stakeholder engagement experience. Desirable: Experience working with the Single Electricity Market (SEM) or European electricity markets. Knowledge of electricity market operations, including transmission and balancing markets. Familiarity with market mechanisms and regulatory frameworks. Experience using energy market modelling software (e.g. PLEXOS). Proven ability to lead or mentor analysts (particularly relevant for Senior Lead Analyst level). Experience in forward-looking market analysis, decarbonisationstrategiesand renewable energy policy. Familiarity with market and network codes. Experience working in a regulated industry and assessing compliance with regulatory obligations. Experience in partnership building and collaborative project delivery. Why 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 and more secure energy future for everyone living in Northern Ireland. Closing date for applications is29 May 2026 SONI 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: Analyst Senior European…