Senior Performance Analyst

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Job Description
  • Would you thrive in an open and collaborative development environment?
  • Do you thrive using agile methodologies?
  • Do you want a role that will transform how our organisation works?

It’s an exciting time to join Office for National Statistics (ONS). If you like working in a dynamic environment, developing and using performance measurement frameworks – KPIs, goals, user needs, benefits – to assess the performance of services and products, then we’d welcome your application. Our team culture is based around agile working and keeping our users – both internally and externally – at the centre of our thinking.

Working as part of our digital and technology teams, you’ll thrive using agile methods and enjoy working openly and collaboratively as part of a multi-disciplinary team. Working alongside user researchers, UX designers, product owners, developers and content designers, you will prove performance insights that will influence their work.

As a senior performance analyst, you’ll have opportunities to work with a range of products and services. For example, you will evaluate how people use our website, working closely with content designers to find areas for improvement and communicating the impact of editorial and design changes.

Working with us comes with the opportunity to grow and develop in your profession, whether it be on the job, through conference attendance or training courses.

This is an exciting opportunity to be at the heart of change in this rapidly evolving organisation, where you will be opportunities to collaborate and develop in equal measure.


As a senior performance analyst you will:

  • Work with product managers and other stakeholders to understand the service aims; identify KPIs and develop measurement frameworks to measure the performance of the service against the aims.
  • Work with project teams to procure, implement and validate appropriate evaluation tools against identified performance measurement frameworks.
  • Source, collect and extract data that is accurate and fit for purpose, working with developers to configure, test and update configurations, ensuring analysis is properly used.
    • Make sure data and insights are of high quality and accuracy, and work with a variety of qualitative and quantitative data.
    • Produce regular reports and build dashboards, automating where appropriate, keeping stakeholders informed about the performance of the service.
    • Assess data and use the findings to create compelling evidence-based and actionable data stories to share with stakeholders to drive outcomes.
    • Be involved throughout the product and content life cycles and inform the iterative design of the service or product in order to optimise the service.
    • Be an ambassador for analytics, supporting others to improve and interpret data and are included throughout the product and content life cycles, ensuring that findings are properly used.
    • Use data and evidence to provide insights from a digital perspective and collaborate with other digital and analytical professions, especially user researchers, to provide collective insights.
    • Collaborate with service teams to provide insights to validate design changes.
    • Work as part of or with an agile or scrum team, where appropriate, on a specific project or in day-to-day continuous improvement activities.

Person Specification

Essential Criteria:
  • A broad technical understanding of performance analysis – skilled and experienced at carrying out the day-to-day activities of the role, including setting up performance measurement frameworks.
  • Experience in undertaking and communicating analysis and insight to a wide audience including non-technical stakeholders
  • Practitioner at defining performance measures and verifying and validating data and findings.
  • Practitioner of Agile working.
  • Ability to produce data and insights that are high quality and accurate,
  • Ability to collaborate with the wider analyst community – actively contribute to the performance analysis community within the organisation, whilst forging links with other analytical disciplines.
  • Experience using Google Analytics, Google Tag Manager and Google Data Studio
  • Experience using Excel and Google Sheets, with knowledge of complex formulas and implementation of macros
  • Experience in querying large datasets (using SQL)
Desirable Criteria:
  •  Practitioner of analysis across a product life-cycle, understanding the constraints of performance analysis and user-centred analysis.
  • Knowledge of HTML, CSS and JavaScript.
  • Knowledge of PPC campaigns (AdWords, Doubleclick, Floodlights and Facebook) and an understanding of SEO

We’ll assess you against these behaviours during the selection process:

  • Communicating and Influencing
  • Managing a Quality Service
  • Working Together
As well as a competitive salary, you’ll enjoy:
  • Generous holiday allowance – 25 days annual leave, rising to 30 days after 5 years’ service in addition to public holidays;
  • Good work-life balance – working options include flexible working arrangements Monday to Friday between 7am and 7pm;
  • Strong ethos of equality and diversity;
  • Up to 3 days paid leave per year for voluntary opportunities;
  • Maternity, adoption or shared parental leave of up to 26 weeks full pay followed by 13 weeks of statutory pay and a further 13 weeks unpaid, and statutory paternity leave of 2 weeks plus an additional week of departmental paternity leave all at full pay;
  • Highly competitive contributory Civil Service Pension;
  • Career development and progression – Career pathway options such as apprenticeships and recognised qualifications for a variety of professions are available;
  • Free onsite car parking in Newport and Fareham;
  • Cycle to work scheme