Customer Portfolio Strategy Manager

About Us

At National Grid, we light up the world by harnessing the unique strengths of our people. Join us as a Customer Portfolio Strategy Manager to be part of a team that's driving forward the energy transition, creating a brighter, more sustainable future for all. Unleash your superpower and bring energy to life.

National Grid is hiring a Customer Portfolio Strategy Manager - This position will allow you to enjoy our hybrid working from office and home

Job Purpose

The purpose of the role is to provide evidence based insight across the Customer Development portfolio integrating the outputs from the PMO and wider organisation, enabling effective decision making, prioritisation and delivery confidence across the Customer Development Leadership Team.

The role synthesises complex and fragmented inputs into a clear portfolio narrative; provides constructive challenge where required and strengthens alignment, capability and readiness across stakeholders to improve portfolio visibility and outcomes.

What You'll Do

Stakeholder

• Operate as a connector between Infrastructure Development, PMO, CND, and enabling functions.
• Represent Customer Development perspectives in forums when required.
• Act as a key interface between stakeholders, ensuring asks are meaningful, proportionate and understood, and that portfolio realities are fed back into stakeholder priorities.
• Translate standards, governance and reporting requirements into practical expectations for portfolio teams.
• Identify systemic issues across processes, capability or behaviours that undermine portfolio performance and escalate these with clarity.
• Support the Director in managing complex senior stakeholder relationships across functions, portfolios and the wider organisation.

Strategic Insights

• Synthesise information from CND, PMO outputs, and wider stakeholder interactions into a single, coherent narrative on portfolio status.
• Support the Customer Development Director on strategic, portfolio and organisational matters, providing independent challenge and insight to inform executive decisions, trade‑offs and priorities
• Analyse available information, highlight gaps and risks, and support leaders to resolve issues
• Articulate the portfolio-level implications of wider business outputs, e.g. turning data reports into meaningful portfolio insights
• Identify recurring pain points, inefficiencies or failure modes across the portfolio and work with functional leads to address root causes.

Change, Capability & Organisational Effectiveness

• Advise on organisational change impacts and readiness within Customer Development
• Support consideration of capability, capacity and behavioural impacts of strategic choices
• Contribute to shaping how performance, confidence and readiness are defined and discussed at portfolio level.
• Sense‑check readiness for major change, growth or transformation initiatives
• Highlight cultural, capability or structural risks that may undermine delivery confidence
• Continuous improvement, supporting the evolution of portfolio management maturity by reinforcing discipline, clarity and outcome‑focused ways of working.

About You

Although this role has no direct reports, leadership capabilities are essential to manage Matrix-based resources to delivering outcomes on behalf of the Director of Customer Portfolio

Interpersonal, Supervisory or Management

Essential

• Significant experience operating in complex infrastructure, portfolio or capital investment environments
• Strong judgement and confidence to challenge constructively at senior levels.
• Strong strategic thinking and analytical capability, with the ability to synthesise complex information
• Proven ability to turn fragmented or ambiguous information into clear insight and narrative.
• Excellent written and verbal communication skills, including executive‑level briefing
• High levels of judgement, discretion and professional credibility
• Experience operating in environments where delivery pressure, competing priorities and incomplete information are the norm.
• Ability to influence and challenge constructively without formal authority

What You'll Get

A competitive salary between £60,000 – £74,000 dependent on capability

As well as your base salary, you will receive a bonus of up to 30% of your salary for stretch performance and a competitive contributory pension scheme where we will double match your contribution to a maximum company contribution of 12%. You will also have access to a number of flexible benefits such as a share incentive plan, salary sacrifice car and technology schemes, support via employee assistance lines and matched charity giving to name a few.

More Information

The closing date for this vacancy is 28th October. However, we encourage candidates to submit their applications as early as possible and not to wait until the published closing date. National Grid’s recruitment periods can and may vary. We reserve the right to remove this advert or close it to further applications at any point during the recruitment process.

In NGET we are passionate about both operating our network safely and providing highly reliable quality of supply for our customers. At the heart of achieving these outcomes is the effective control and operation of our network.

To find out more about us, please follow the link below:

https://www.nationalgrid.com/electricity-transmission/

DE & I statement

At National Grid, we work towards the highest standards in everything we do, including how we support, value and develop our people. Our aim is to encourage and support employees to thrive and be the best they can be. We celebrate the difference people can bring into our organisation, and welcome and encourage applicants with diverse experiences and backgrounds, and offer flexible and tailored support, at home and in the office.

Our goal is to drive, develop and operate our business in a way that results in a more inclusive culture. All employment is decided on the basis of qualifications, the innovation from diverse teams & perspectives and business need. We are committed to building a workforce so we can represent the communities we serve and have a working environment in which each individual feels valued, respected, fairly treated, and able to reach their full potential.

Please note that in most cases, National Grid is unable to offer sponsorship for employment under the UK points-based immigration system. As such, applicants must have the legal right to work in the UK without requiring sponsorship now or in the future under the UK points-based immigration system. However, in exceptional circumstances where there is a clear and demonstrable need for specialist skills that cannot be sourced from the local labour market, National Grid may consider offering sponsorship. All applications are welcome from candidates who meet these requirements, regardless of race, nationality, or ethnic origin.

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