Assistant Investment Engineer

National Gas Transmission PLC; Warwick; Hybrid; GBP 42,000 - 56,000; Full time

Benefits offered by this job

Pension (12%)

Bonus up to 6%

Tusker car scheme

Life assurance

Wellbeing & development

Job summary

National Gas Transmission PLC is seeking an Assistant Investment Planner to support the Major Programmes team in shaping Britain's energy infrastructure. You will help turn strategic priorities into deliverable investment projects and collaborate with stakeholders across the business to enable long-term asset planning.

The role emphasizes data-driven investment cases, RIIO-T3 commitments, and governance processes, with hybrid working and a location near Warwick.

Qualifications

• Degree or HNC in Engineering/Asset Management/ STEM or related, or demonstrable equivalent experience.
• Strong analytical and problem-solving skills with evidence-based recommendations.
• Advanced Excel and data management/reporting experience.

Responsibilities

• Develop fully funded projects with clear deliverables aligned to RIIO-T3 commitments.
• Build stakeholder relationships to support efficient project delivery.
• Produce reports, presentations, and briefings for senior leaders.
• Lead meetings to communicate progress and portfolio updates.
• Deliver projects in line with strategic priorities and financial objectives.
• Monitor project spend, forecast costs, and identify risks or variances against budget.
• Analyse investment, resource, outage, and delivery data to support decision-making.
• Work with Investment Planners, Engineers, Finance, Regulatory, and Project Delivery teams.
• Support ND500 process from concept through to initiation.
• Identify opportunities to improve investment planning processes and ways of working.

Skills

Analytical skills

Data analysis

Stakeholder management

Excel advanced

Project reporting

Education

Engineering/Asset Mgmt degree or equivalent

Job description

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Working pattern: Hybrid, with a minimum of 3 days a week on site

Location requirement: Based within reasonable travelling distance of Warwick

About us

At National Gas, the work we do matters.

As Britain's national gas network, we help keep the lights on, businesses running, and homes warm by maintaining the critical infrastructure that transports gas across Great Britain. While providing the energy security Britain relies on today, we're also helping transform the network for a clean energy future.

Join us and help secure Britain's energy.

About the role

Join our Major Programmes team as an Assistant Investment Planner and help shape the future of Britain's energy infrastructure.

You'll support the development of investment initiatives that underpin our long-term asset strategy, helping to turn strategic priorities into practical, deliverable projects. Working closely with stakeholders across the business, you'll contribute to the planning and delivery of investments that support the future of the energy network.

Why this role matters

The decisions we make today will shape the reliability, resilience, and efficiency of the energy network for years to come.

In this role, you'll help turn asset strategies into well-defined investment opportunities that deliver value, meet regulatory requirements and support long-term business objectives. By developing data-driven investment cases and supporting major programme delivery, you'll play an important part in ensuring we invest in the right projects, at the right time, to meet the needs of customers and the energy system of the future.

What you’ll be doing

• Develop fully funded projects with clear deliverables aligned to RIIO-T3 commitments
• Build strong stakeholder relationships to support efficient project delivery
• Produce clear reports, presentations, and briefings for a range of audiences, including senior leaders
• Lead meetings to communicate progress, portfolio performance, and key updates
• Deliver projects in line with strategic priorities and financial objectives
• Monitor project spend, forecast costs, and identify risks or variances against budget
• Analyse investment, resource, outage, and delivery data to support decision-making
• Work closely with Investment Planners, Engineers, Finance, Regulatory, and Project Delivery teams
• Support projects through the Gas Network Development Process (ND500), from concept through to initiation
• Identify opportunities to improve investment planning processes and ways of working

What you’ll bring

This role could be a great fit if you're naturally analytical, enjoy working with data and stakeholders, and want to help shape major infrastructure investment decisions.

• Degree or HNC qualification (or equivalent) in Engineering, Asset Management, STEM, Data Analytics or a related discipline, or demonstrable equivalent experience
• Strong analytical and problem-solving skills, with the ability to interpret complex information and make evidence-based recommendations
• Confidence working with large datasets and a high level of attention to detail
• Strong communication and stakeholder management skills, with the ability to influence and build effective working relationships
• Advanced Microsoft Excel skills and experience using reporting or data management systems
• Experience working within programme, project, or portfolio management environments
• Commercial awareness and an understanding of how investment decisions support wider business objectives
• Experience in investment planning, project controls, performance reporting, or portfolio management
• Knowledge of engineering, infrastructure, utilities, or asset management environments
• Understanding of RIIO regulatory frameworks and reporting requirements
• Familiarity with investment governance, approval processes and project sanctioning
• Experience supporting large-scale capital investment programmes within a regulated environment

What we offer

• Market-leading double-match pension (up to 12% company contribution)
• Annual performance bonus up to 6%
• Access to the Tusker salary sacrifice car scheme
• 10x salary life assurance and income protection
• Flexible benefits including healthcare, dental, and technology options
• Family-friendly policies, wellbeing support, and professional development opportunities

Inclusive recruitment

We're building a workforce that reflects the communities we serve, championing diversity, and creating an inclusive workplace where everyone is valued for their unique contribution. We support reasonable adjustments throughout the recruitment process and beyond.

National Gas is a Disability Confident employer and signatory of the Armed Forces Covenant.