Performance Data Quality Specialist

Network Rail; Swindon; Hybrid; GBP 36,000 - 43,000; Full time

Benefits offered by this job

Staff travel discounts

Rail season tickets subsidy

Pension schemes

Hybrid working

Flexible leave

Volunteer leave

Family-friendly support

Job summary

Network Rail in the UK is looking for a data quality specialist for the Wales and Western region to develop audit protocols, reconcile train running data, and improve delay attribution. You will work with GPS and TRUST data sources to ensure accurate performance reporting across multiple systems.

This role requires 60% office time, offers hybrid working, and includes benefits such as staff travel discounts, pension schemes, and flexible leave to support work-life balance.

Qualifications

• Analytical thinking to assess data quality and drive improvements.
• Understanding of financial disciplines relevant to performance reporting.
• Knowledge of train operations and railway business context.
• Experience with contractual frameworks relevant to performance data.
• Emphasis on safe behaviours and safety compliance in rail environments.

Responsibilities

• Develop audit protocols to measure data quality delivered.
• Undertake quality checks to maintain delay attribution accuracy.
• Produce data quality reports and action plans to resolve variances.
• Monitor compliance with data accuracy codes and processes.
• Lead improvements to train performance data systems and processes.
• Represent the route in the Data Quality Group and align with Network Rail specs.

Skills

Analytical skills

Financial discipline understanding

Train operations knowledge

Contractual matrix understanding

Safety-first mindset

Job description

Who We Are At Network Rail, We're Part Of a Large Family Serving Millions Of Passengers And Freight Users Throughout The UK Every Day. Our Service Impacts Millions Of People And We Strive To Become More Efficient As We Enhance, Maintain And Operate Our Network. Now Is a Fantastic Time And Join Our Team In Wales And Western Region As We Finalise The Reforms To Our Maintenance Organisation Which Will Deliver

• A safer and more reliable and punctual service for passengers and employees - quicker fault fixes by more agile multi-disciplined response teams.
• Individual rostering - enabling us to send the right number or people to fix a fault.
• Multi-skilling - investing in the knowledge and skills of our people so they are better equipped to fix the most common faults themselves.
• Accelerated and improved technology deployment - we have a raft of labour and life-saving technology ready to be rolled out.

Our passengers and freight users are at the heart of everything we do. We help connect people to their friends and families and get goods to their destination safely and efficiently. We're an organisation where people matter. When your part of our team, you matter to us and you matter to millions. Watch our video to find out more!

About our people and the recruitment process

We're an inclusive employer of choice and we welcome applications from everyone! We look for opportunities to offer great opportunities to learn and grow through personal and professional development. And, if you make the grade then you can look forward to a rewarding and fulfilling career with a company that joined the top 50 in the Glassdoor's 2021 Best Places to Work.

We want to help deliver a railway which is safe, reliable, affordable and that provides great customer service to everyone. For more information about Network Rail click here

Overview

About the role

The Role In Particular Involves

• Interrogating Network Rail and cross-industry IT systems for various purposes
• Reconciling, auditing and correct reporting of train running data and schedules
• Use of a wide range of data sources including GPS and TRUST
• Ensuring delays and cancellations are allocated to the correct prime cause incident(s)
• Applying good communication skills to build relationships with Train Operators and other Network Rail teams

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.

Pay and Rewards

Salary: This role is a £35,582 - £43,400 per annum.

• Privileged staff travel - Leisure travel discount of 75% on all leisure travel and includes family members.
• A subsidy of up to 75% on rail and underground season tickets if you travel to work on the train.
• GWR ticket alliance, Heavily discounted all day passes for you and up to 3 friends and family to use across the GWR network (48 passes per year)
• Benefits package including healthcare offers, a cycle to work scheme, discounted healthcare club membership, and a discounted offers and benefits including childcare, healthcare and online shopping site.
• A range of Pension schemes to choose from
• Effectively manage work-life balance with a 35hrs per week contract, hybrid working, flexible working, flexible leave, and enhanced family friendly support.
• 5 days paid volunteering leave.
• 2 weeks paid reserve leave for the Armed Forces community.
• In Wales and Western region, you will have the opportunity to join PROUD, our reward and recognition scheme where you can say thanks and recognise colleagues across the region who have demonstrated outstanding values and behaviours.

More About The Role And Your Application

Closing date: 8th October 2026. Late applications will not be accepted. This vacancy is also being advertised externally.

This role requires working in the office for a least 60% of the working week

We want to ensure everyone has an equal opportunity. Therefore, should you require any reasonable adjustments/modifications, please do let us know by including within your application

Our Drugs and Alcohol Standard has changed. All prospective candidates will be required to undergo and pass a drugs and alcohol test. Your application will be rescinded if you record a positive test. All positive drugs and alcohol test results for prospective candidates will be securely held on Sentinel database and a 5-year suspension from applying for a safety critical role, a role which requires PTS certification or a Key Safety role on Network Rail Managed Infrastructure will be enforced.

Your Experience And Skills

You will ideally have

• 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.

Not sure if you meet all the requirements? Let us decide. Some of these criteria may be learnt in role. Therefore, if you do not meet all the criteria, please submit your application. We will screen your application against these criteria to assess the best match.