Gas Networks Ireland operates and maintains Ireland’s €3bn, 14,758km national gas network, which is considered one of the safest and most modern renewables-ready gas networks in the world.
Over 720,000 Irish homes and businesses trust Ireland’s gas network to provide efficient and reliable energy to meet their heating, cooking, manufacturing and transport needs.
The gas network is the cornerstone of Ireland’s energy system, securely supplying more than 30% of Ireland’s total energy and over 40% of the country’s electricity generation.
Gas Networks Ireland is aiming to deliver a repurposed, resized and fully decarbonised gas network by 2045. Its “Pathway to a Net Zero Carbon Network” envisions transforming the existing gas network into two separate systems carrying 100% renewable gas, one dedicated to biomethane and the other to green hydrogen, with the potential to carry approximately 30% biomethane and 70% green hydrogen, as well as offering significant long term energy export opportunities.
Gas Networks is an organisation with a very strong legacy and a culture founded on pride in our purpose, to keep Irelands energy moving, and commitment to our vision, to be at the heart of Irelands energy future. Our organisational values demonstrate what is important across the organisation including building on our experience across our organisation to build towards our sustainable future, doing what's right for each other and for the people and communities that we serve and finally energised for the change of our future towards a renewable energy landscape. Throughout your career in Gas Networks Ireland, you will be part of an organisation that has a strong commitment to supporting and developing our workforce today and into the future. You will also have an opportunity to get involved in our ambitious iBelong programme ensuring a diverse, equitable and inclusive environment for us all to thrive. Finally, our Time to Talk Mental Health programme and our wellbeing initiatives ensure we provide support across many areas as you work in our organisation.
Gas Networks Ireland is now seeking to appoint a Portfolio Assurance Manager.
The Role
The Portfolio Office function within Gas Networks Ireland is responsible for providing strategic direction and oversight for the delivery of all capital and operational work within the organisation, enabling it to make key decisions that will optimise the overall delivery of GNI’s portfolio of work. The portfolio office provides support and oversight in the areas of Investment Planning and Governance, Portfolio Management, Delivery Enablement, Land Management and Statutory Consents, and Commercial Management; whilst also acting as the gate keeper and critical interface between potential investment programmes and commercial opportunities; and the core departments responsible for the delivery, operation and maintenance of GNI’s assets.
Reporting to the Portfolio Manager, the Portfolio Assurance Manager will be responsible for ensuring that GNI’s portfolio of projects and programmes comply with governance requirements and are aligned with regulatory requirements. They will be responsible for providing oversight, direction and assurance across GNI’s investment portfolio to ensure delivery of safe, efficient and strategically aligned projects and programmes. They will lead a team that is focused on ensuring that all projects and programmes are well-governed, controlled and delivering the expected outcomes.
This is a key role within the Portfolio Office and the successful candidate will need to utilise a multidisciplinary approach to establish and maintain close liaison with key stakeholders across the organisation, in order to successfully oversee the portfolio of projects and programmes.
Duties and Responsibilities
Lead the Portfolio Assurance team to ensure that all projects are well-governed, controlled and delivering expected outcomes.
Accountable for ensuring projects and programmes in the portfolio comply with governance requirements.
Responsible for the development of the Sub-EAC/EAC Capital Expenditure submission papers, and the Board submission papers.
Provide assurance across the portfolio for the lifecycle of projects/programmes (initiation, planning, delivery, close out).
Responsible for monitoring portfolio performance trends and provide insight on delivery confidence and forecast outcomes.
Identify, assess and escalate portfolio-level risk, issues and systemic weaknesses that are impacting performance.
Produce, clear concise performance and assurance reports for senior leadership and governance forums.
Conduct gateway reviews and health checks on projects and programmes.
Responsible for improving governance processes and driving consistent standards.
Contribute to the development of portfolio management maturity and assurance capability.
Work closely with the Portfolio Planning Manager and the Project Controls Manager to ensure there is a single, integrated delivery plan for GNI.
Work closely with Asset Strategy, Asset Delivery and Asset Operations to monitor and drive performance on all projects and programmes.
Share lessons learned and best practices across the portfolio and drive for high performance across the team, setting the standard for continuous improvement in the delivery of the portfolio.
Perform other such duties that may be required from time to time.
Knowledge, Skills and Experience
Relevant third level degree, professional qualification or equivalent competence gained through a significant career in a largely similar role.
- Minimum 7 years post qualification experience managing the delivery of projects or programmes in the natural gas or similar utility industry.
Experience in portfolio, program or project assurance within utilities, infrastructure, or a regulated environment.
Familiarity with project lifecycles, milestones, and programme delivery in infrastructure or similar environments.
Exceptional written and verbal communication skills, with the ability to clearly articulate complex issues to diverse audiences.
- Ability to foster cross-functional collaboration and integrate activities with wider organisational goals
Proven ability to handle complex issues proactively, manage disputes effectively, and find practical solutions under pressure.
Ability to lead and motivate teams, driving high performance, collaboration, and continuous improvement.
- Experience of developing and maintaining effective strategic partnerships with key stakeholders would be an advantage.
- A track record of achievement of key results and will have demonstrated ability to accelerate these results through others.
- Strong decision-making capabilities which is based on strong technical or functional understanding.
Applications, including current Curriculum Vitae, should be emailed to the following address stating the job title and reference number in the subject line of your email: recruit@gasnetworks.ie
The closing date for receipt of applications for this vacancy is the
19th March 2026
Please note that applications submitted after this closing date will not be accepted.
Gas Networks Ireland is an equal opportunities employer
We are committed to providing a diverse and inclusive place of work and have a robust strategy and framework called ibelong to enable this. We are an equal opportunity employer and through our recruitment process we welcome and encourage applications from interested and suitably qualified individuals regardless of gender, age, racial or ethnic origin, membership of the traveller community, religion or beliefs, family or civil status, sexual orientation/gender identity or disability.
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