Assistant Investment Engineer

National Gas Services; Warwick; Hybrid; GBP 49,000 - 58,000; Full time

Benefits offered by this job

Pension up to 12%

Annual performance bonus up to 6%

Salary sacrifice car scheme

26 days holiday

Life assurance and income protection

Flexible benefits

Wellbeing support and professional dev

Job summary

National Gas is seeking an Assistant Investment Planner to shape the future of Britain's energy infrastructure from Warwick. This hybrid role involves developing investment initiatives, turning strategic priorities into deliverable projects, and collaborating with stakeholders across the business to support the long-term asset strategy.

You will help create data-driven investment cases, monitor spend, and contribute to major programme delivery to ensure value, regulatory compliance, and timely

Qualifications

• Bachelor’s or equivalent in Engineering, Asset Management, STEM, or related field.
• Strong analytical and problem-solving skills with evidence-based recommendations.
• Experience with large datasets and high attention to detail.
• Excellent communication and stakeholder management to influence and build relationships.

Responsibilities

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

Skills

Analytical thinking

Data analysis

Stakeholder management

Excel proficiency

Project/portfolio management

Communication skills

Regulatory understanding

Education

Engineering/Asset Management degree or equivalent

Tools

Excel

Data reporting systems

Job description

£48,893 to £57,521 + up to 6% bonus

Location: Warwick

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.

Essential

• 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

Desirable

• 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
• 26 days holiday (plus statutory holidays)
• 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.

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