> Markdown version of [/jobs/ext/1444691-performance-data-quality-specialist](https://www.wearedevelopers.com/jobs/ext/1444691-performance-data-quality-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Performance Data Quality Specialist - **Company:** Network Rail - **Location:** Swindon, UK - **Salary:** £35,582.0 - £43,400.0 - **Contract:** Permanent contract - **Skills:** Data Systems, Information Technology - **Published:** July 26, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=c60a7ddfecfb3a31 ## About the Role * Analytical skills * Understanding of financial disciplines * Understanding and experience of train operations and the railway business * Working knowledge of contractual matrix * Keeping people safe on the railway is at the heart of everything we do. Safe behaviour is therefore a requirement of working for Network Rail. You should demonstrate your personal dedication to safety within your application. ## Description Overview To manage the quality of delay attribution across the business. The role in particular involves: Reconciling, auditing and correct reporting of train running data and schedules Ensuring delays and cancellations are allocated to the correct prime cause incident(s) Good communication skills and ability to build relationships with Train Operators and other Network Rail teams Interrogate Network Rail IT systems and industry specific applications Your Main Responsibilities will be to Develop audit protocols to measure the level of data quality delivered. Undertake quality checks in line with the Performance Improvement Process Manual to maintain the quality of delay attribution at a consistent level. Produce data quality reports, identifying variances, with action plans to resolve. Monitor compliance with the performance data accuracy code and business process manual through systems compliance checks e.g. berth offsetting. Act as the focus for performance data quality issues, identifying and making recommendations for improvements to the train performance data systems. Represent the route on the Data Quality Group, in developing and maintaining a Network Rail specification for performance systems and processes. ## Related Videos - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Enabling intelligent logistics automation: home-grown Industrial IoT platform at Austrian Post](https://www.wearedevelopers.com/videos/2018-enabling-intelligent-logistics-automation-home-grown-industrial-iot-platform-at-austrian-post) - [Beyond Hiring: Building a Sustainable Talent Acquisition Engine at Deutsche Bahn](https://www.wearedevelopers.com/videos/1856-beyond-hiring-building-a-sustainable-talent-acquisition-engine-at-deutsche-bahn) - [It's not easy being green](https://www.wearedevelopers.com/videos/558-it-s-not-easy-being-green) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [The Data Mesh as the end of the Datalake as we know it](https://www.wearedevelopers.com/videos/156-the-data-mesh-as-the-end-of-the-datalake-as-we-know-it) ## Related Articles - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [UK Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/326-uk-business-culture-and-etiquette) - [Guide for Expats Living in the UK](https://www.wearedevelopers.com/magazine/355-guide-for-expats-living-in-the-uk) - [Data Analyst Salary in Switzerland](https://www.wearedevelopers.com/magazine/276-data-analyst-salary-in-switzerland)