Senior Portfolio Analyst

National Energy System Operator

Senior Portfolio Analyst managing NESO’s enterprise-wide portfolio to ensure alignment with strategic objectives and net zero goals. Requires strong analytical skills and portfolio management expertise.

Posted 8/1/2026full-timeWarwick • 🇬🇧 United KingdomSenior💰 £60,000 - £65,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in portfolio management, including financial tracking, data analysis, and governance processes, while ensuring high-quality, accurate reporting and stakeholder engagement.

Highest-signal resume keywords

Portfolio ManagementFinancial ManagementData AnalysisGovernance ProcessesStakeholder Engagement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Portfolio PlanningPrioritisationFinancial TrackingReportingManagement Information (MI)

Soft Skills

Attention to DetailOrganisational SkillsProactivityFlexibilityTeam Player

Certifications & Qualifications

MSPMoPPRINCE2APM

Industry Keywords

Portfolio PipelineGovernanceBusiness Case CoordinationStrategic ObjectivesContinuous Improvement

About the role

Key responsibilities & impact

Supporting the management of the Enterprise Portfolio pipeline, ensuring all demand is captured, tracked and maintained with accurate and up-to-date information.
Managing the portfolio “front door” process, coordinating submissions, ensuring completeness of information and supporting the governance and approvals process.
Support the prioritisation and phasing of portfolio activity by providing analysis, data and insights to enable alignment to strategic objectives and investment constraints.
Developing and maintaining portfolio plans, ensuring alignment across programmes, projects and key BAU initiatives.
Supporting portfolio financial tracking and reporting, ensuring accurate and timely insight on spend, forecasts and financial performance.
Developing and maintaining high-quality portfolio data, MI and reporting to provide clear, actionable insight to stakeholders and governance forums.
Supporting governance forums and approval processes by preparing high-quality materials, ensuring data accuracy and enabling effective decision-making.
Contributing to the continuous improvement of portfolio pipeline, planning and financial management processes, ensuring efficiency, consistency and best practice.

Requirements

What you’ll need

Is passionate about portfolio or programme management offices and understands the importance of a strategic, insight-led function.
Has a good understanding of portfolio planning, prioritisation and financial management processes.
A Professional certification in portfolio / programme / project management (e.g. MSP, MoP, PRINCE2, APM) or equivalent experience.
Demonstrates strong attention to detail, ensuring high-quality, accurate and reliable portfolio data.
Is highly organised, proactive and able to manage multiple priorities in a fast-paced environment.
Is flexible, dynamic and able to pivot quickly in response to changing organisational priorities.
Has experience supporting governance processes, approvals and business case coordination.
Brings experience in data analysis, reporting and Management Information (MI) to support decision-making.
An exceptional team player demonstrating strong communication and stakeholder engagement skills, with the ability to work effectively across teams.

Benefits

Comp & perks

You will receive a bonus based on company performance
26 days annual leave as standard
A competitive contributory pension scheme where we will double match your contribution to a maximum company contribution of 12%.
Annual Enrollment to NESO Savings Plan, when you save between £20- £500 a month from your take-home pay, we will pay a 50% matching contribution.
Flexible Bank Holidays & Holiday Trading
Additional Birthday Day Off
Cycle to Work Scheme, Retail & Gym Discounts
Private Medical Insurance, Critical Illness Insurance & Personal Accident Insurance