Position Description

The DMSO Business Operations Integrity Hub team is seeking to fill the role of Flexibility Market System (FMS) Functional Specialist. The purpose of the role is to work directly on the implementation and delivery of the Flexibility Market System.

The Flexibility Market System (FMS) is a core enabler for ESB Networks’ transition to a high-renewable, low-carbon electricity system. It will allow ESB Networks to manage, dispatch, and settle flexibility from Distributed Energy Resources (DER)—including demand response, storage, and distributed generation—to support system security, manage network constraints, and defer traditional reinforcement. The FMS will underpin the achievement of Ireland’s Climate Action Plan targets by enabling 15–20% flexibility and associated carbon abatement, improving customer outcomes, and enhancing operational resilience across planning, real-time, and restoration horizons.

The Flexibility Market System Functional Specialist will be part of the Business Operations Integrity Hub team reporting to the FMS Delivery Lead. Primarily, the role will support the implementation of the Flexibility Market System from Design phase to Go-Live; the role will also continue as subject matter expert through the Hypercare period to actively support DMSO with future engagement with the FMS Vendor through the FMS product lifecycle and catering for new DMSO Flexibility products

Key Responsibilities

Participating in FMS Detailed Design workshops with FMS Vendor and Stakeholders
Ensure design requirements cater for all flexibility business processes
Develop functional specification documents with FMS Vendor ensuring that localised flexibility market rules and processes are catered for through the design of the solution
Develop/Update required business process maps as and when needed to support FMS project
Assist with integration plans with relevant systems to support flexibility market operations
Support FMS Project Test Phases including System Integration Testing and User Acceptance Testing
Support Training coordination with DMSO Stakeholders
Assist with Data Migration to new FMS solution
Assist with planning post-implementation vendor engagement, including service transition, SLAs, and continuous improvement.
Develop flexibility services knowledge base and understanding of flexibility market operations to support the FMS post-implementation
Support FMS solution post go live during hypercare period

Experience and Qualifications

Essential

5+ years’ relevant work experience
A primary degree in IT / Engineering / Business or related discipline or equivalent relevant work experience.
Excellent interpersonal skills and ability to work with cross functional teams
Excellent stakeholder engagement, communication, and governance/reporting skills.
Excellent IT Skills (MS Word, MS Excel)
Understanding of IT systems

Desirable

Understanding and/or experience of procurement and operation of Flexibility services
Experience with Flexibility platforms
Understanding of the Distribution electrical grid model
Experience with SAP-ISU, SAP ERP(ARM/IWM) and/or SAP SRM
Experience with OT systems (NMS / GIS)
Experience with MS Visio
Experience with MS Office and project management/tooling (e.g., schedules, RAID, dashboards).

Location

This position will be based in Finglas

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

Flexibility Market System Delivery Lead, Business Operations Integrity Hub, Distribution Markets & System Operation

Why Work with Us?

Opportunity to lead Ireland’s transition to net zero carbon future
Career development through mentoring and training
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 - €70,000 per annum.

Closing Date

12th of May, 2026

Your application will be held in reserve for 6 months should you be suitable for the role.

FMS (Flexibility Market System) Functional Specialist

Benefits

Job Description