Position Description The Distribution Markets and System Operation (DMSO) organisation is seeking an experienced and motivated NMS Senior Engineer to join the Operational Systems Support (OSS) team. OSS plays a critical role in supporting and maintaining the Operational Technology (OT) systems that underpin the safe, reliable and real-time operation of Ireland's electricity distribution network. These OT systems include SCADA (Supervisory Control and Data Acquisition), Network Management System (NMS) and Geographic Information System (GIS). The Network Management System (NMS) is one of the core real-time OT systems, comprising of Outage Management System (OMS) and Distribution Management System (DMS). The DMS includes key applications such as: Power Flow Network Optimisation Load Forecasting Fault Location, Isolation & Service Restoration (FLISR) Distributed Energy Resource Management Systems (DERMS) These systems support day-to-day network operations and enable ESB Networks to integrate increasing levels of renewables, improve outage response and deliver enhanced grid intelligence. The NMS Senior Engineer will be part of a high-performing technical team responsible for supporting, maintaining and enhancing the NMS. They will contribute to the delivery of new projects aligned with the strategic objectives of the DMSO and ensure the NMS continues to evolve in line with the needs of Network Operations and the wider business. Key Responsibilities Support and maintain the 24/7 operation of the NMS for ESB Networks and the National Distribution Control Centre. Ensure the smooth rollout, stable performance and reliable day-to-day operation of the NMS. Contribute to and support the delivery of new projects aligned with the strategic objectives of the DMSO, Operations and cross-functional teams-including workshops, requirements assessment, planning, implementation and testing. Maintain the network model through daily quality audits, issue identification and resolution. Support system maintenance activities such as software upgrades, security patches and site-switch procedures. Develop high-voltage (HV) standard configurations for generation and demand customers within the NMS and ensure accurate representation on the operational map. Monitor and support system interfaces to ensure seamless integration with the NMS and manage issue resolution when required. Maintain existing reporting and dashboards and develop new reporting solutions to support evolving business needs. Provide operational support to the business during critical service interruptions and major weather events. Support the development and enhancement of the NMS to support ESB Networks' strategic objectives for safe and effective distribution system management. Ensure compliance with all relevant regulatory requirements, standards and safety protocols. Work closely with stakeholders across the business to understand requirements, troubleshoot issues and support operational needs. Engage in stakeholder management with internal teams, external partners and system vendors; liaise with the NMS vendor to ensure system quality, manage incidents and support defect resolution. Develop and deliver training programmes to improve effective use of the NMS across the organisation. Create and maintain NMS training materials, job aids, user guides and support documentation. Develop functional specifications, operational procedures and processes for NMS operation and enhancement. Support system risk management activities, including fault analysis and operational incident investigations. Contribute to the design and implementation of advanced NMS and DMS applications. Provide support and collaboration to the OT Cybersecurity Manager. Offer operational expertise and guidance on NMS functionality to the wider DMSO team. Supervise and mentor junior team members, fostering collaboration, capability growth and knowledge sharing. Experience and Qualifications Essential Minimum of 5 years' relevant experience in NMS, DMS/OMS, or related engineering roles. Third level qualification in an engineering, IT or technical discipline, or equivalent industry experience. Proven ability to deliver on the key responsibilities associated with supporting, maintaining and developing the NMS. Strong knowledge and hands-on experience with NMS components, including OMS, DMS, network operations and model management. Demonstrated understanding of HV and MV electrical networks, network operations and safety considerations. Strong understanding of mission-critical Operational Technology (OT) environments. Experience in testing OT systems and applications, including functional, integration and user acceptance testing. Strong work ethic with a commitment to delivering on safety, quality and time. Ability to meet deadlines, manage multiple priorities and work effectively under pressure. Self-starter with the ability to work independently while supporting colleagues and project teams. Ability to technically mentor and support junior team members. Flexible and adaptable approach, particularly when needed to support operational or customer requirements. Excellent interpersonal skills, with the ability to build strong relationships across teams. Strong written and verbal communication skills, including the ability to prepare clear technical reports and documentation. Desirable Knowledge and on experience in HV and MV electrical distribution systems. Skilled in managing, maintaining, and troubleshooting Unix and Linux server environments. Experience in developing and supporting reporting solutions, data warehouses, and analytics workflows to enhance operational insight and decision-making. Understanding of OT network architecture, and system integration. Proficient in Unix, Linux, and related operating systems, with experience supporting enterprise environments. Working knowledge of Oracle NMS, with experience in configuration, support, or operational usage. Location This position will be based in Dublin, Leopardstown Smart Working at ESB is designed to make 'in-person' time together as purposeful as possible while also enabling the effective use of digital tools and hybrid arrangements to preserve our commitment to flexibility. The successful candidate may work flexibly within the jurisdiction where they have been employed, with attendance at the workplace for in-person collaboration at least two days per week. All Smart Working arrangements are subject to regular review based on the operational requirements of the role, the team, and the business. Reporting To Operations Systems Support NMS Manager Why Work with Us? Opportunity to lead Ireland's transition tonet zero carbon future Career developmentthrough mentoring andtraining Corporate Social Responsibility Opportunities Sports and Social Clubs Networking opportunities Credit Union Generous Pension Access to staff well-being programmes Generous parental leave entitlements Strong values-based and inclusive culture Strong commitment to diversity, equity and inclusion Great team environment working to our Core Values: Courageous, Caring, Driven and Trusted Salary €59,000 to €79,00 per annum Closing Date 21st April 2026 .buttontext4ebea33125a0ecd0 a{ border: 1px solid transparent; } .buttontext4ebea33125a0ecd0 a:focus{ border: 1px dashed #009DE0 !important; outline: none !important; } Diversity, Equity and Inclusion Statement ESB is committed to being an equal opportunities employer. We welcome applications from all sections of society and ensure that no one is discriminated against on the grounds of race, religion or belief, ethnicity or nationality, disability, age, citizenship, marital status, domestic or civil partnership status, sexual orientation or gender identity, or any other basis as protected by law. Applicants who anticipate requiring assistance or reasonable accommodations for any part of the application or interview process may contact, in confidence,. About ESB Join us in our mission to achieve a net-zero electricity system by 2040. ESB is Ireland's leading energy utility, with activities spanning electricity generation, transmission and distribution, energy supply, energy services and international consultancy. Operating in Ireland, Northern Ireland and Great Britain, we invest over €1 billion each year to deliver a new energy future based on reliable, affordable zero-carbon electricity. 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