Business Analyst

NS&I is one of the largest savings organisations in the UK with more than 24 million customers and over £240 billion invested. We are both a government department and an Executive Agency of the Chancellor of the Exchequer. Our origins can be traced back more than 150 years to 1861.

A small company with a big reach, we offer a range of benefits including flexible working, a 9-day fortnight scheme, a performance-related variable pay bonus, a generous pension scheme and great opportunities for development. We care for colleagues, respect one another, invest in our people and manage talent effectively.

We are currently working in a hybrid way with colleagues expected to work at their chosen office location for 40% of their working month.

The Business Analyst bridges the gap between business needs and technical solutions. They are responsible for understanding the business goals, target operating models, processes, and challenges and then translating these into clear, outcome focussed requirements for delivery by NS&I’s strategic partners. Their role is to ensure that business objectives are understood and met through the most effective use of technology and processes.

The Business Analyst performs an influential role within the Business Transformation Programme, providing project scope definition, process modelling, gap analysis, requirements definition, feasibility assessments, and support for funding approvals and benefits realisation. Collectively these activities help manage complexity, prevent miscommunication, improve operational efficiency, mitigate risk and support delivery of business value.

• Business Situation Investigation and Problem Analysis

Investigate root causes of business problems, or opportunities, identifying where a particular business need exists and shaping the project to address this need.

• Business Process Modelling and Improvement

Research, analyse and define current and proposed business processes, apply gap analysis to identify actions required to implement the revised processes.

• Business Analysis Reports and Presentations

Synthesise information, viewpoints and diagrams into objective reports and presentations that enable efficient communication and effective decision making.

• Business Case Development and Feasibility Assessment

Evaluate the options to meet the business need and support development of the business case throughout the funding approval cycle.

• Business Requirements Definition and Validation

Elicit, analyse and define requirements for business and IT change initiatives, ensuring traceability and alignment across strategic delivery partners.

• Business Acceptance Testing

Support NS&I People in testing new business and IT changes to ensure acceptability and delivery of agreed business outcomes.

• Business Change Deployment

Support the deployment of business and IT changes, within NS&I Corporate (Head Office), to ensure a smooth transition.

BCS International Diploma in Business Analysis (or equivalent)

This job is broadly open to the following groups:

• UK nationals
• nationals of the Republic of Ireland
• nationals of Commonwealth countries who have the right to work in the UK
• nationals of the EU, Switzerland, Norway, Iceland or Liechtenstein and family members of those nationalities with settled or pre-settled status under the European Union Settlement Scheme (EUSS) (opens in a new window)
• nationals of the EU, Switzerland, Norway, Iceland or Liechtenstein and family members of those nationalities who have made a valid application for settled or pre-settled status under the European Union Settlement Scheme (EUSS)
• individuals with limited leave to remain or indefinite leave to remain who were eligible to apply for EUSS on or before 31 December 2020
• Turkish nationals, and certain family members of Turkish nationals, who have accrued the right to work in the Civil Service

Further information on nationality requirements (opens in a new window)

This vacancy is using Success Profiles (opens in a new window), and will assess your Behaviours and Experience.

To apply, please click the link on this advert and follow the steps to complete the application form.

In your application you will be asked to provide the following

• An outline of your career history and qualifications with your key responsibilities and achievements. A 250 word personal statement explaining the experience you have as a business analyst in your career so far.
• A 250 word statement for each selected behaviour at sift. Please use examples from your experience and knowledge to demonstrate how you meet them addressing the essential criteria in the Person Specification. We would recommend using the STAR ‘situation, task, action, result’ method of giving examples.

We will assess applications on your personal statement and behaviour statements.

In the event we receive a large number of applicants, applications will be sifted first on the Personal Statement. Only those that meet the minimum acceptable score for this criteria will qualify for the full sift and be considered for interview.

If shortlisted, you will be invited to attend a 1 hour panel interview via video call.

You will be expected to provide evidence of the full BCS International Diploma in Business Analysis or equivalent qualification you hold ahead of the interview.

As part of this interview you will be asked to make a 10 minute presentation aimed at demonstrating your experience with business analysis

Interviews will take place from the 19th November 2026.

Right to Work

As part of our recruitment process NS&I will ask about your right to work status. Candidates must have the right to work in the UK and meet eligibility requirements to work within the UK Civil Service.

If applying for a role on a fixed-term contract, you must hold a valid visa that covers the full duration of the contract, or at a minimum, the majority of the term.

Please note we are currently unable to offer visa sponsorship, as a result candidates requiring sponsorship are not eligible to apply.

Qualifications

Evidence of the qualification listed for this role will be required at the interview stage. The offer will be subject to successful verification of this qualification. We kindly ask that your application details are accurate and meet the stated requirements, as incorrect information may affect the progress of your offer.

Security and Credit Checks

This role is subject to Baseline Personnel Security Standard and financial credit checks.

Reserve List

A reserve list may be held for a period of 12 months from which further appointments can be made.

Working for NS&I

Any move to NS&I from another employer will mean you can no longer access childcare vouchers. This includes moves between government departments. You may however be eligible for other government schemes, including Tax-Free Childcare. Determine your eligibility at https://www.childcarechoices.gov.uk/.

For NS&I employees: If you are applying for a role at the same NS&I band as you are currently and the advertised salary of the role is higher, if you are successful, any salary increase will be at the discretion of NS&I and will be reviewed as part of the next annual pay review, in accordance with the NS&I employee handbook.

For existing permanent NS&I employees: Please be aware that if you are a permanent employee appointed to a fixed term role, our recruiting principles ensure you will retain your permanent status at the end of this contract. However, you are not guaranteed to return to your original role. At the conclusion of this fixed term period, you may be redeployed to another suitable role at NS&I, offered retraining or will be given priority mover status to find another role in the civil service.

For NS&I employees on a fixed term contract: If moving to another fixed term role, you will continue to be employed for a fixed term to the end date of this role. You may apply for suitable roles within NS&I or the civil service.

For Existing Civil Servants: If you are transferring from another government department at the same grade, your current salary will generally be matched within reasonable parameters and subject to NS&I pay ranges. If you are transferring on promotion, you will be offered the starting salary at the bottom of the pay scale. If you are transferring on promotion and your existing salary is within the advertised range, you will be offered a maximum of a 10% uplift on your existing salary (up to the advertised maximum).

For External Candidates: If you are not currently employed within the civil service, you will be offered the starting salary at the bottom of the advertised pay range.

Further information

Please visit our website http://nsandi-corporate.com/about-nsi for further details about NS&I.

Feedback will only be provided if you attend an interview or assessment.