Senior Assurance Advisor

ELEXON; Greater London; Hybrid; GBP 57,000 - 69,000; Full time

Benefits offered by this job

Bonus

Private medical insurance

Generous pension scheme

Job summary

Elexon is seeking a Senior Assurance Advisor (Grade 11) to join the Assurance team on a fixed-term contract until March 2028. The role focuses on implementing and monitoring Flexibility Market Rules across GB markets, ensuring DSOs and NESO adopt compliant practices, and delivering evidence-based assurance.

You will lead data-driven assessments, manage risks, and provide guidance to senior stakeholders. This is a hybrid role with London office presence and opportunities for professional growth

Qualifications

• Two years’ experience within the electricity market.
• Strong analytical skills and ability to interpret complex data.
• Experience in risk management and compliance monitoring.
• Excellent written and verbal communication, with stakeholder engagement skills.
• Experience producing technical and analytical reports.

Responsibilities

• Lead and support Flexibility Market Rules Implementation Monitoring across market participants.
• Collect and analyse data to assess compliance and performance.
• Identify and manage implementation risks with mitigation strategies.
• Act as Risk Owner for high-profile implementation risks.
• Support non-compliance processes with mitigation plans.
• Develop technical reports and recommendations for senior management.

Skills

Electricity market knowledge

Risk management

Data analysis

Stakeholder engagement

Technical reporting

Tools

SQL

Python

Power BI

Job description

Join Elexon to strengthen GB flexibility markets, assessing rule implementation, managing risks and using data to deliver clear, evidence-based assurance for industry stakeholders.

We’re looking for a Senior Assurance Advisor (Grade 11) to join our Assurance team at Elexon on a fixed-term contract until March 2028, supporting the implementation and monitoring of Flexibility Market Rules across the GB electricity market.

In this role, you’ll play an important part in ensuring that Distribution System Operators (DSOs), NESO and other market participants are effectively implementing and adopting Flexibility Market Rules. You’ll monitor compliance, identify emerging risks and provide evidence-based assurance to support the development of fair, transparent and effective flexibility markets.

Working closely with our Flexibility Market and Performance Assurance teams, you’ll combine electricity market expertise, risk management and data analysis to assess implementation progress, address non-compliance and provide valuable insight to senior stakeholders and industry participants.

This is an opportunity to contribute to Elexon’s expanding role as Market Facilitator, helping strengthen the governance and effective operation of flexibility markets throughout this important period of industry change.

What you’ll do:

Lead and support Flexibility Market Rules Implementation Monitoring, assessing how effectively rules are being adopted across DSOs, NESO and other market participants.

Collect and analyse implementation data to assess compliance, performance and the effectiveness of Flexibility Market Rules.

Identify, assess and manage implementation risks, developing appropriate assurance and mitigation strategies.

Act as a Risk Owner for allocated high-profile implementation risks, recommending appropriate Performance Assurance Techniques and additional assurance activities.

Support the management of non-compliance processes, working with industry participants to develop and monitor mitigation plans.

Develop clear, evidence-based technical reports, analysis and recommendations for senior management, Ofgem, advisory boards and industry stakeholders.

Lead the development of data models, dashboards and implementation tracking tools to monitor risks, performance and progress.

Work closely with Flexibility Market Designers to define the data required for effective implementation monitoring.

Deliver assurance reviews and ad hoc audits, including data analysis, site visits and evaluation of audit findings.

Engage with DSOs, NESO, flexibility providers and other stakeholders to resolve issues and promote consistency across market arrangements.

Chair and contribute to industry working groups, committees and stakeholder discussions.

Provide technical guidance and training on Flexibility Market Rules, Performance Assurance Techniques and BSC arrangements.

Maintain appropriate governance, documentation and Local Working Instructions (LWIs) to support consistent assurance processes.

Identify opportunities to improve assurance methodologies, reporting and risk management practices.

What you’ll bring:

At least two years’ experience within the electricity market, with strong knowledge of electricity markets, Settlement arrangements and relevant flexibility market processes.

Experience in operational risk management, including applying assurance frameworks and compliance monitoring techniques.

Understanding of developments within the GB electricity market and their potential impact on industry stakeholders and BSC arrangements.

Strong analytical skills, including the ability to interpret complex data and identify emerging risks, trends and compliance issues.

Experience producing technical and analytical reports, presenting complex findings clearly and accurately.

Excellent written and verbal communication skills, with the ability to explain technical information to different audiences.

Strong stakeholder engagement and relationship management skills, including working with internal and external customers.

Ability to work collaboratively across teams and engage constructively with industry participants.

Confidence managing competing priorities, taking ownership of work and delivering to agreed deadlines.

A proactive approach to identifying issues, recommending proportionate solutions and driving continuous improvement.

High standards of professionalism, integrity and accountability.

It would also be beneficial if you have:

Experience using SQL, Python or Power BI for data analysis, reporting or dashboard development.

Experience chairing industry working groups, committees or similar stakeholder forums.

Experience working within Agile project management or delivery environments.

Previous involvement in flexibility market implementation, monitoring or assurance activities.

Experience developing analytical tools or dashboards to monitor implementation risks and performance.

What’s in it for you:

Salary – £63,000

Excellent benefits including bonus, private medical insurance and generous pension scheme

The opportunity to work within a thriving organisation which can support your growth and development

We operate a hybrid working approach with 2 days in our London office

Our culture

We believe a diverse and inclusive culture allows innovation and creativity to flourish. We are committed to continuously improving our culture for our colleagues and stakeholders. Through our hugely successful Diversity Forum, Mental Health First Aid network and regular programme of activities and events, we celebrate difference and recognise the value of employee wellbeing, which is a consistent outcome from annual employee surveys that we conduct. Likewise, as a community, we like to support each other, and all agree Elexon is a great place to work with a great workspace too!

At Elexon, we want to:

Provide true equality of opportunity

Attract and retain diverse talent

Listen to all voices

Be representative of the communities we work in

Be a role model for Diversity and Inclusion in the industry

Elexon together, embracing differences, listening to all voic es

Ready to make an impact? Join us and help shape the future of energy services.