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National Gas

Portfolio Analyst (Bristol)

Company logo
National Gas
Backbone of Britain’s gas network, transporting energy and innovating for low‑carbon future.
Oversee regional gas portfolio, optimise projects, schedule outages and resource plans.
8d ago
£46,500 - £55,000
Expert & Leadership (13+ years), Experienced (8-12 years)
Full Time
Cardiff, Wales, United Kingdom
Hybrid
Company Size
1,600 Employees
Service Specialisms
Gas Services
Utility Infrastructure
Engineering
Project Management
Design and Build
Construction
Sector Specialisms
Energy
Infrastructure
Gas Transmission
Pipeline Repair
Pipeline Maintenance
Pipeline Intervention
Metering
Hydrogen
Role
What you would be doing
outage planning
resource optimisation
investment scheduling
performance reporting
portfolio management
dependency management
  • Lead the development and coordination of outage and recompression plans for the region, working closely with System Operations (SO) and delivery teams.
  • Work with area utilisation leads to optimise resource allocation and ensure efficient delivery of work.
  • Collaborate with project managers, investment sponsors, and engineering teams to schedule investments, manage constraints, and ensure performance targets are met.
  • Produce monthly reports, metrics, and scorecards to monitor performance and process compliance.
  • Develop and deliver outage performance reporting, maintaining close daily contact with SO to track and understand plan movements.
  • Support portfolio management by developing, maintaining, and optimising a capital project portfolio, ensuring a continuous investment programme from the year ahead to the long term.
  • Provide planning support by creating integrated portfolio plans, defining investment scopes, and collaborating with stakeholders to assess deliverability.
  • Identify and manage key dependencies between business activities and portfolio planning to ensure alignment with strategic priorities.
What you bring
scheduling
riio
portfolio planning
asset management
analytical
detail‑oriented
  • Experience in scheduling and optimising delivery plans
  • Ability to apply and interpret prioritisation frameworks (Cost/Risk/Performance)
  • Knowledge of planning processes across various work types
  • Understanding of the RIIO regulatory framework
  • Experience managing resource plans and operational constraints
  • Proven experience in portfolio planning, project management, or asset management
  • Proficient in asset/work management systems
  • Expertise in planning principles to support effective decision-making
  • Excellent attention to detail with strong organisational and prioritisation skills
  • Strong analytical, numeracy and literacy capabilities
Benefits
Information not given or found
Training + Development
Information not given or found
Company
Overview
£700m Final Stake Purchase
Ownership
The company achieved full ownership following a £700 million stake purchase in early 2025.
5,000 Miles
Infrastructure Network
It operates nearly 5,000 miles of high-pressure pipelines across Great Britain.
100% Hydrogen Trials
Innovation
The company is pioneering trials of blending up to 100% hydrogen into its transmission system.
24 Million Homes
Customer Reach
It serves 24 million homes, providing essential natural gas transmission services.
  • It stands as Britain's critical gas transmission operator.
  • It’s wholly owned by Macquarie’s consortium.
  • It serves half a million businesses, 35 power stations, and dozens of industrial sites via its National Transmission System.
  • It’s structured across four divisions: transmission, metering, services, and Premtech consultancy.
  • With over 60 compressor stations and 500+ above-ground installations, it ensures reliability and rapid response across the network.
  • It operates a public-facing app offering near real-time data on gas flows and demand.
  • From managing old pipelines to designing future low-carbon systems, it weaves history and innovation into Britain’s energy tapestry.
Culture + Values
  • They support society by providing essential services for people and businesses.
  • They focus on creating a safe, sustainable, and reliable energy system.
  • They foster a culture of collaboration and teamwork by respecting one another.
  • They are dedicated to making a positive impact, driving innovation, and building lasting relationships.
  • They take ownership, act with integrity, and uphold ethical standards in all they do.
Environment + Sustainability
2050
Net Zero Target Year
The company is committed to achieving net zero emissions by this year, reflecting its long-term sustainability goals.
30% reduction
Emission Reduction Target
The company aims to reduce its operational emissions by this percentage by 2025, demonstrating its commitment to lowering its environmental impact.
  • Committed to reducing carbon emissions from operations, focusing on energy efficiency and low-carbon technologies.
  • Supporting the transition to a low-carbon economy through expansion of hydrogen and renewable gas solutions.
  • Long-term strategy emphasizes reducing environmental impact and improving energy system resilience.
Inclusion & Diversity
30%
Leadership Team Composition
Women constitute a significant portion of the leadership team, reflecting the company's commitment to gender diversity.
40%
Overall Workforce Composition
Women make up a notable percentage of the overall workforce, highlighting progress in fostering an inclusive environment.
  • Committed to fostering an inclusive workplace where all employees feel valued, respected, and able to thrive.
  • Aim to increase gender diversity in senior leadership roles with specific targets set for the coming years.
  • Regularly reports on gender pay gaps and takes action to close the gaps through targeted initiatives.
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