MHHS Data Account Manager
Cardiff | Full-time, Permanent | Hybird available, Monday to Friday
Salary: up to £45,000 DOE + £3,600 annual car allowance
About the Role
We are looking for an experienced Data Account Manager to join our growing team in Cardiff.
The MHHS Data Account Manager is responsible for ensuring the successful execution of a customer’s migration from legacy settlement into Market Wide Half-Hourly Settlement services and ensuring performance post migration.
This is a full-time, permanent position where you will be responsible for managing customer portfolios, leading migration projects, and ensuring excellent service delivery across the data and energy services sector.
The Market Wide Half-Hourly Settlement Data Account Manager will play a key role in overseeing customer transitions to half-hourly settlement services, maintaining long-term performance, and building strong relationships with both clients and internal operational teams.
Key Responsibilities
As a Market Wide Half-Hourly Settlement Data Account Manager, your duties will include:
* Managing the end-to-end customer migration process into half-hourly settlement services, ensuring accuracy, compliance, and efficiency.
* Overseeing the ongoing performance of customer portfolios after migration, ensuring contractual obligations and service levels are consistently achieved.
* Acting as the primary point of contact for clients, suppliers, and industry representatives, building trusted long-term partnerships.
* Investigating escalated customer issues, implementing solutions, and feeding back improvements to operational teams.
* Preparing clear reporting for senior management on contract performance, risks, and opportunities.
* Supporting continuous improvement initiatives, including process reviews and data quality management.
* Leading contract onboarding activities, ensuring operational readiness and alignment with business objectives.
* Representing the business at client meetings, presentations, and knowledge-sharing sessions.
* Delivering structured performance reviews with clients and internal stakeholders, identifying risks and opportunities for improvement.
* Driving efficiency and cost savings through effective management of contract novation and related processes.
About You
To succeed as MHHS Data Account Manager, you will need:
* Proven experience in account management or a customer-facing role, ideally within data services, utilities, or the energy industry.
* Strong organisational and analytical skills, with the ability to prioritise effectively and manage multiple projects.
* Excellent communication and relationship-building skills with both technical and non-technical stakeholders.
* Proficiency in Microsoft Office (Excel and PowerPoint essential).
* Knowledge of energy industry processes, settlement, or metering (desirable but not essential).
* A proactive and adaptable mindset, with a strong focus on problem solving and continuous improvement.
What’s on Offer
* Competitive salary of up to £45,000 DOE.
* Annual car allowance of £3,600.
* Full-time, permanent role, HYBRID 2 DAYS IN OFFICE AVAILABLE, Monday to Friday.
* Career development opportunities in a forward-thinking organisation that values innovation, sustainability, and customer excellence