We are seeking a Billing Assurance Analyst to support and enhance our revenue assurance capabilities. You will play a critical role in protecting revenue by identifying unbilled usage, correcting errors, and driving improvements across billing systems and processes. This role spans the full customer life cycle and requires a strong understanding of B2B energy supply, including complex contracts, metering arrangements, and industry data flows. Key Responsibilities: Validate that all customers are fully and accurately billed for all energy usage and contracted services. Investigate and resolve anomalies such as incorrect account or meter setup, missing or incorrect tariffs, or unbilled consumption on the system. Collaborate with Sales, Operations, and Customer Services to identify and address root causes of billing issues. Extract, clean, and analyse billing data to detect anomalies, monitor trends, and ensure billing completeness. Prepare and contribute to regular reporting on billing assurance activities, and risk mitigation actions. Troubleshoot system and data issues that may lead to revenue leakage. Support UAT and regression testing during capability rollouts and system changes. Essential Skills and Experience: Proven experience in billing, revenue assurance, or data analysis within the UK energy sector. Strong understanding of industry-specific processes including metering, settlements, and data flow management. Proficient in excel and data analysis tools such as SQL, Power BI, or Python. High attention to detail, with strong problem-solving and reconciliation skills. Excellent communication skills and ability to work with both technical and non-technical stakeholders. What can we offer? This role offers a competitive package of remuneration along with access to a wide range of company benefits which includes; Private medical insurance, including 24/7 GP appointments and access to a wide range of professional support. We also offer a life assurance and income protection scheme from day one! Our annual company profit share scheme, rewarding everyone at Corona by sharing in our success. Employee self-sacrifice Electric Vehicle scheme, with a wide range of different models to choose from – supporting our commitment to the energy transition. Access to thousands of retail and entertainment discounts through our internal rewards and recognition scheme, all linked to our company values. On top of these great benefits, we also continue to invest in our people through a wealth of development opportunities, supporting you to get the most from your career! Working Pattern In this role you will be able to work on a hybrid pattern, with Tues-Thurs in the office and Monday and Friday at home. Our standard office hours are 0830 – 1700, Monday to Friday. Working with us at Corona Energy At Corona Energy we are driven by our company culture which is focused around our core values; Empowered, Forward Thinking and Impactful – these are underpinned by our central value “Customer First”. This year we were proud to have been independently certified as one of the Best Places to Work in the UK with over 80% of our team recognising our outstanding employee experience! To support this experience, we also offer our team; Amazing office spaces, with complimentary breakfast, fruit, snacks and drinks throughout the day. An annual focus on wellbeing with events and activities to support your health, wealth and inner-self! An opportunity to support our charity partners, or to give back to important causes by fundraising or volunteering our time. The chance to celebrate success together, at one of our regular sports and social events or at our annual company awards. If you are looking for a career that is all about positive energy, we would welcome your application! Corona Energy is a Disability Confident employer and as such will offer any successful applicant whatever reasonable adjustments they may require in order to take part in our recruitment process.