HMRC HO Systems & Data Auditor - 10 positions - Multiple Locations (see job description)

Job Description

As a Higher Systems & Data Auditor, you will be supporting our Compliance Caseworkers in carrying out Tax Investigations.

You will be providing technical systems and data interrogation support, with the intent of tackling non-compliance and electronic sales suppression. To do this, we need you to analyse and understand customers' computerised systems, software, and data in relation to their accounts. 

You will mentor and coach junior colleagues, building their confidence and skills using your leadership qualities. As this is a vital role within tax compliance, we will provide you with the necessary support and learning needed. Should you have the desire to progress further, we are committed to supporting your personal development.

Job Description

The role of a Higher Systems and Data Auditor is varied and could involve:

• interviewing customers and their representatives as part of supporting investigations, either virtually or face-to-face by visiting customers premises across your region and at times outside of your region, including overnight stays

• supporting operational colleagues with the technical aspects of the role

• identifying and documenting systems and audit trails, including details of the different software used by the customer

• lead on in-depth analysis of complex systems and data, using a variety of tools and producing audit reports

• testing accuracy of customers' financial accounting and tax liabilities

• creating, reviewing, and approving system internal guidance, knowledge on systems, audit techniques and best practice 

• reconstructing partial data records using best judgement, logic, and available evidence

• supporting and coaching junior auditors with the more complex and technical aspects of their role


Watch our videos below to get an insight into our roles: 

Working as a Systems & Data Auditor at HMRC – Rianne

Working as a Systems & Data Auditor at HMRC - Konrad


You can find out more about what it’s like being a Systems & Data Auditor at HMRC on the Civil Service Careers website


Person Specification

You don’t need any existing knowledge or experience of tax to apply, but we are looking for the following skills and personal qualities:

• a good level of computer literacy

• an interest in solving IT issues

• confidence when using unfamiliar software

• ability to handle difficult conversations

• good ability to document and maintain a robust audit trail

• good organisational skills to enable you to effectively prioritise and manage your workload

• good verbal and written communication skills


To apply we will need:

This should be sent via e-mail to



Bristol, Edinburgh, Portsmouth, Croydon, Birmingham, Newcastle, Leeds


Here is how we work in Customer Compliance Group (CCG):
• 37 hours between 7am to 8pm Monday to Saturday
• There will be a requirement for frequent travel within your region and occasional travel outside of your region, including overnight stays.
• There are several business areas within CCG. You may be required to work outside of these hours if you are allocated to a specific business area.
• If you are posted to an area with working arrangements that fall outside of our standard hours, you may be eligible for flexitime

• Further information will be provided during training if this affects you based on the role allocated

• Your working arrangement may change in-line with business needs, and that could  include increased weekend or evening working. We will always give you reasonable notice of any changes to your working arrangement.

During your training period we will need you to work full-time Monday to Friday within HMRC standard operating hours, for a period of 12 weeks. This is even if you have an agreed Flexible Working Arrangement in place.

Due to the training programme in place, no leave will be granted for the first two weeks in the role, following this, any annual leave is at HMRC’s discretion. 

Frequent travel within your region and occasional travel outside of your region, including overnight stays.  

60% minimum office attendance required. 

Flexible Working Arrangements (FWA) and Part-time working 
As mentioned previously, most posts are full-time but there may be the opportunity for you to  work part-time or have a flexible working arrangement.

If you are successful at interview and receive a conditional offer, it will explain how to give the details of your preferred working hours. There is an expectation for part-time staff to cover the 
working arrangements as above. 

You’ll need to inform us of your part time or flexible working arrangement request at the conditional offer stage, even if you told us about this earlier in the application process. 

Confirmation of the offer will depend on business need, so we can’t promise that your request will be accommodated.

Contract Length

2-year temporary fixed term appointment (TFTA)

If application is successful, Informal conversations with candidates are expected to take place in July 2024 and it is hoped that successful candidates start in September 2024 following successful security checks.

Security Clearance Level (at Pre-employment Checks)

A Counter Terrorist Check (CTC)