Planner
About the role
Great Britain's electricity infrastructure is undergoing an ambitious, exciting and vital transformation. Together with industry, we are creating a cleaner, greener system, one that protects the planet and serves generations to come.
As a Planner, you will provide planning expertise across the design and construction phases of our major high-voltage infrastructure projects which support achievement of our net zero ambitions.
Our work spans the construction of new substations and extensions to existing substations across the South Wales area, including key projects in Pembrokeshire, Swansea and Llandyfaelog.
You’ll own the planning process, developing integrated, cost-loaded programmes, managing critical path and float, and applying earned value techniques to monitor progress, identify risk and support delivery to time and beyond allowance.
You will validate and challenge supplier programmes, ensuring compliance with contractual and National Grid requirements, and provide clear performance insight through variance analysis, site verification and regular reporting. Working closely with project teams, contractors and stakeholders, you’ll support informed decision-making, continuous improvement, and consistent, accurate portfolio performance reporting.
The role involves regular travel to sites and offices across Pembrokeshire, Swansea, Llandyfaelog and Aberthaw, and you will also be required to work from the Bristol project office for 2 days per week.
Key Accountabilities
- Develop and manage integrated, cost‑loaded project programmes, including critical path and float analysis.
- Review and validate supplier and contractor programmes to ensure contractual and National Grid compliance.
- Support tender evaluation by assessing programme quality and deliverability.
- Apply earned value and planning controls to monitor progress, risks and performance.
- Analyse schedule variance, early warnings and change impacts, recommending mitigations.
- Verify progress during design and construction, including site visits.
- Provide clear programme reporting to project and portfolio managers.
- Maintain accurate baselines and support regulatory and portfolio reporting.
What you'll need
- Advanced knowledge of Oracle Primavera P6.
- Skilled capability to assess change and impact assessment on time risk allowance and forensic analysis.
- Advanced understanding of the key NEC 4 clauses for Programme Acceptances, Compensation Events
- Full UK Driving licence.
- Effective stakeholder engagement skills and ability to build strong relationships across multiple teams quickly.
- Experience carrying out client programme development for initial project phases.
- Experience in delivery of projects during construction during civils installation.
What's in it for you?
A competitive salary of £54,000 – £66,000 per annum, plus £3,000 market supplement
- Annual Performance Based Bonus
- Job requirement car
- 37 hour working week. Flexible
- 26 days annual leave, plus eight statutory days
- The option to buy additional or sell holiday days
- Generous contributory pension scheme - we will double-match your contribution to a maximum company contribution of 12%
- Financial support to help cover the cost of professional membership subscriptions, course fees, books, exam fees and time off for study leave – so long as it is relevant to your role
- Access to several 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.
- Family care benefits including a back-up care service for when your usual care arrangements fall through (six paid days each year as standard with the option to purchase further days)
- Access to a numerous apps which support health, fitness and wellbeing.
More Information
This role closes at midnight on 1st September 2026 however we encourage candidates to submit their application as early as possible and not wait until the published closing date as this can vary. Interviews will be held w/c 14th September 2026.
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We value diversity and are committed to creating an inclusive workplace for all. We welcome applications from all suitably qualified candidates – we make appointments purely on merit, assessed against objective selection criteria. We support flexible working and will make reasonable adjustments throughout the recruitment process should you have any physical or mental impairment which may affect your ability to participate in the process.
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.