Controller - Registration TLNT1_NI in Antrim

Reports to: Head of Settlement, Stakeholder Engagement and Registration

Location: Belfast or Dublin

Who We Are

SONI is Northern Ireland's Transmission System Operator. We are the people behind Northern Ireland's electricity grid. We ensure that every home, business, school, hospital, factory and farm has power when and where they need it. Our focus is on safety, security and reliability. Our work environment is challenging, fast-moving, collaborative and team-oriented. Our culture is driven by continual development, knowledge and teamwork. Our people are committed to reducing Northern Ireland's reliance on fossil fuels and transforming the energy system to make decarbonisation a reality while providing a safe and reliable electricity supply.

The Role

This opportunity sits within EirGrid Group, which includes both EirGrid in Dublin and SONI in Belfast, operating together as the Transmission System Operator for the all-island electricity grid. EirGrid Group is responsible for operating, developing and enhancing the electricity system and wholesale market across Ireland. Our strategy is shaped by the transition to a low-carbon energy future. Within this, the Operations and Asset Management Directorate plays a central role. The team is responsible for real-time and near real-time system and market operations on a 24/7 basis, ensuring the secure, reliable, and efficient delivery of electricity across the island.

We are now seeking a Controller Registration to join the Settlement, Stakeholder Engagement and Registration team. This role can be based in either Dublin or Belfast and will work collaboratively across EirGrid and SONI. In this role, you will support registration processes across multiple electricity markets (including SEMO, SEMOpx and the Capacity Market). You will coordinate day-to-day registration activities, respond to stakeholder queries, and work closely with colleagues to deliver key operational outputs. You will also play an important role in driving continuous improvement, identifying opportunities to enhance processes, supporting innovation, and contributing to transformational change across the Directorate.

Key Responsibilities

• Support pre-registration and registration processes for market participants
• Manage and respond to registration-related queries, prioritising effectively and providing solutions
• Coordinate daily registration activities and deliverables with cross-functional teams
• Provide technical and process support within the registration function
• Identify issues and recommend improvements, escalating where appropriate
• Contribute to projects and initiatives representing the registration function
• Analyse operational challenges and support the implementation of effective solutions
• Ensure all outputs are delivered to a high standard, on time, and with a customer-focused approach

Critical Knowledge, Skills and Experience

Essential:

• A relevant third-level qualification or at least 2 years experience in a similar role (ideally within a regulated environment)
• Strong analytical and problem-solving skills with the ability to make sound decisions
• High attention to detail and a quality-focused mindset
• Ability to manage competing priorities and meet deadlines
• Clear and effective communication skills, with the ability to engage technical and non-technical audiences
• Collaborative approach, with the ability to work independently and as part of a team
• Experience building and maintaining effective stakeholder relationships
• A proactive approach to continuous improvement

Desirable:

• Experience in electricity markets or the energy sector
• Knowledge of SEMO, SEMOpx or Capacity Market processes
• Experience in process improvement, change initiatives, or automation
• Experience contributing to projects or cross-functional workstreams
• Strong reporting and presentation skills

Why join us?

Play a vital role in shaping sustainable energy projects that benefit communities 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 salary sacrifice schemes (such as cycle to work, EV scheme), free car parking, onsite EV charging and 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.

If you are seeking a challenging and impactful role within the energy sector, we would love 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 is 9 June 2026. SONI reserves the right to extend this deadline where necessary to maximise the applicant pool. 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 their expertise to Northern Ireland's energy system. We have a duty to prevent illegal working and applicants must demonstrate they have a legal right to work in the UK. SONI is not providing sponsorship for this vacancy.