National Gas Services
Head of Portfolio Performance (PMO)
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£75,000 - £95,000 + 20% bonus + PMI + company car (or car allowance)
Warwick, Hybrid (3 days office, 2 days remote)
About Us
National Gas is securing Britain’s energy. We transport gas throughout Great Britain, repair and maintain gas pipelines, and manage the meters that allow millions of homes and businesses to access the energy they need. We are the national gas network, providing secure energy to power Britain, achieve net zero, and maintain our industrial competitiveness.
About The Role
At National Gas, we're delivering some of the most critical investment programmes in the country and we're looking for a Head of Portfolio Performance to play a pivotal role in ensuring our investment portfolio delivers against its strategic, financial and regulatory commitments.
As Head of Portfolio Performance, you'll sit at the heart of National Gas's Enterprise Portfolio Management Office (EPMO), providing strategic and critical insights to support Executive and Board-level decision-making.
If you're someone who thrives on turning complex data into meaningful insight, influencing senior decision-makers, and driving performance across major programmes, this is an opportunity to make a genuine impact at a national scale.
What you'll be doing
- Providing a trusted view of portfolio performance across our investment programmes.
- Analysing portfolio performance to identify trends, risks, opportunities and areas requiring intervention.
- Challenging and assuring delivery performance across scope, schedule, cost and regulatory commitments.
- Partnering closely with Delivery Directorates, Regulatory and Finance to understand delivery challenges, align performance expectations and support the development of practical solutions that improve outcomes.
- Developing insightful executive reporting that translates complex data into clear, actionable recommendations.
- Supporting Executive and Board governance forums with robust analysis and decision support.
- Leading quarterly investment forecasting and providing strategic insight into future portfolio outcomes.
- Assessing performance against regulatory allowances and funding mechanisms, highlighting risks and optimisation opportunities.
- Leading key elements of National Gas's regulatory reporting and assurance activities.
- Managing relationships with Ofgem and coordinating performance discussions with external regulatory stakeholders.
- Driving continuous improvement through automation, analytics, visualisation tools and enhanced reporting practices.
- Building organisational capability in portfolio performance management, governance and data-driven decision making.
- Leading, developing and motivating a high-performing team while fostering a culture of accountability, collaboration and continuous improvement.
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About You
You're naturally curious, analytical and motivated by understanding the story behind the data. You enjoy solving complex problems, influencing senior stakeholders and bringing clarity to ambiguity, while building strong relationships that enable positive challenge and better decision-making. You bring a strong process improvement mindset, looking across the end-to-end delivery lifecycle to identify opportunities to simplify, standardise and optimise.
Essential
Key requirements & experience
- Experience within portfolio management, programme management, PMO, performance management or business planning environments.
- Proven experience consolidating, analysing and interpreting complex data across large-scale investment portfolios.
- Strong ability to generate meaningful insights from performance information, including cost, schedule, scope, risk and delivery metrics.
- Experience presenting complex information in a concise and impactful way to senior stakeholders.
- Strong stakeholder management skills with the ability to influence and build credibility at all levels of an organisation.
- Experience facilitating performance discussions and providing constructive challenge to improve outcomes.
- Demonstrated leadership experience with a track record of developing and motivating high-performing teams.
- Commitment to continuous improvement, collaboration and driving performance excellence.
Desirable
- Experience within a regulated industry such as energy, utilities, infrastructure, transport or water.
- Understanding of RIIO, Ofgem regulatory frameworks or similar regulatory environments.
- Background in management consulting, portfolio advisory, business transformation or operational excellence.
- Experience with predictive analytics, scenario modelling and risk-based forecasting methodologies.
- Knowledge of AI-enabled reporting, automation and advanced portfolio analytics.
- Comfortable operating in complex environments and challenging established ways of working to deliver better outcomes.
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What we offer
- Annual bonus of 20% based on personal and company performance
- Private Medical Insurance
- Benefit Driver - An EV or plug-in hybrid company car or cash alternative
- 28 days’ holiday plus statutory holidays - option available to buy extra or sell days
- Double-match pension scheme - for every £1 you put in, we'll add £2 (max company contribution 12%)
- Opt-In flexible benefit scheme, including salary sacrifice private healthcare, dental insurance, technology plans and more
- Financial protection with 10x salary death in service and financial support if you're unable to work due to long term illness or injury
- Excellent family friendly provisions - maternity/paternity/adoption/surrogacy/shared parental leave
- Career progression, professional training and development – including access to LinkedIn Learning
- Employee assistance programme offering free confidential professional counselling 24/7
- Financial support to help you cover the cost of professional membership subscriptions
Inclusive recruitment
At National Gas, we are disability confident and we are signatories of the Armed Forces Covenant, committed to building a workforce that represents the communities we serve. We celebrate the different experiences our colleagues bring to our organisation, and strongly encourage applicants of all backgrounds to apply. Please let us know of any reasonable adjustments you need to perform your best.
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