Anti-Corruption Investigation Officer

Job summary

Discover what it’s like to work in a compliance role that makes an impact. Could you help us shape a stronger, fairer future? Your next career move starts here.

Are you ready to take the next step in your investigation or intelligence career—within an organisation that places integrity and public trust at its core?

This role offers an exciting opportunity to join HMRC's Internal Investigations team. You’ll bring your existing experience in investigations, intelligence analysis, or anti-corruption work to a team that plays a vital role in protecting HMRC's reputation and values.

Our work involves investigating serious allegations involving staff, identifying risks such as internal fraud and corruption, and handling sensitive intelligence and whistle-blowing concerns. You’ll collaborate with experts across Government and UK Law Enforcement, contributing to cases that uphold the highest standards of professionalism and accountability.

We’re looking for individuals with a strong ethical compass, analytical thinking, and a commitment to continuous learning. In return, you’ll gain exposure to complex and meaningful work, with opportunities to grow and develop within a trusted and modern tax authority.

If you're ready to make a difference and build a career rooted in integrity, we’d love to hear from you.

Job description

An Internal Investigations (Anti-Corruption) Investigation Officer (IO) works within a case team to gather intelligence and evidence on individuals, corporates, and Organised Crime Groups (OCGs), supporting criminal investigations involving HMRC employees and external threats to the tax and benefits systems. The role focuses on insider threats and attacks on HMRC, requiring Investigation Officers to undertake a wide range of duties.

The Internal Investigations Investigation Officer conducts comprehensive investigations into allegations of misconduct, corruption, and breaches of professional standards within HMRC. This critical role ensures organisational integrity whilst maintaining public confidence in our services.

Key Responsibilities

- Operate within legal frameworks such as RIPA, CPIA, PACE, and POCA
- Gather Evidence, obtain witness statements to support investigations
- Act as a Disclosure Officer/Deputy Disclosure Officer
- Conduct Surveillance (training will be provided)
- Carry out Interventions including Searches, Arrests, Interviews and Seizure of goods
- Maintain Case records using FCMS (Fraud Case Management System)
- Prepare and attend court for Production Orders and Search Warrants
- Compile Case reports and evidential bundles for the CPS
- Keep abreast of legal and professional developments
- Handle sensitive information
- Participate in the On Call roster, 1 week in 4 (which may involve evening and weekend work at short notice. A Flexibility Payment (FP) Level 2 is provided to support this requirement.)
- Maintain high professional standards and integrity.

You can find out more about what it’s like to work in these roles on HMRC – Fraud Investigation Service, Civil Service Careers

Significant travel and overnight stays will be required for these roles.

This role requires a high level of integrity. We are looking for candidates who demonstrate honesty, ethical judgement and strong personal values, with a proven ability to act responsibly and make sound decisions in sensitive situations.

Person specification

The successful applicant will need to demonstrate relevant experience and effective delivery of the following essential criteria, and hold one of the qualifications listed in the Qualifications section below.

Essential Criteria

• Demonstrable experience within a criminal investigation role, including the practical application of relevant legislative frameworks. This should include experience of exercising powers under PACE 1984 (England and Wales), and a working knowledge of RIPA 2000 and/or IPA 2016, CPIA 1996, and Property Interference under the Police Act 1995.
  
  
• Experience of executing and supporting operational activity, including exercising investigative powers, contributing to or leading operational delivery, compiling risk assessments, and participating in interventions, including the execution of search warrants and/or production orders.
  
  
• Proven ability to develop or assure investigative strategies, identifying key lines of enquiry and applying technical expertise to progress complex cases.
  
  
• Strong understanding and application of the Manual of Guidance suite of forms in an operational or investigative context.
  
  
• Ability to analyse complex information and intelligence, identify patterns, and make sound, evidence-based decisions, with effective communication of findings to stakeholders.
  
  
• Full UK driving licence.

Working Arrangements

The nature of criminal investigation work and your role duties mean you must be willing and able to:

- Work your hours flexibly to meet business needs, including at night-time, weekends and public holidays, and change your work pattern at short notice

If required, you must also be able to:

- Be “on-call” throughout the day and night for 1 week out of every 4
- Work a specified number of additional hours

The nature of the attendance requirements and duties of this role mean it isn’t suitable for HMRC’s hybrid working arrangement. FIS will support colleagues receiving the Flexibility Payment to work from home for some of the time, but this won’t be fixed to a number of days per week or month, or to specific days of the week. The role’s attendance requirements also mean some Flexible Working arrangements may not be available – please discuss your situation with us before accepting this role.

Candidates are asked to provide 1 location preference only. Please ensure that you only apply for a location that you are willing and able to work from, as we will only make one offer of employment. Any additional notes included in a ‘Further Location Preferences (optional)’ field within the application form, will not be considered. Please be aware that you cannot change your location preference after submitting your application.

Training

Training Requirement

A comprehensive training programme is provided.

The course is 4 weeks in total with an additional one-week personal safety training. There is a guided learning module to complete prior to the event, 3 weeks training, 1 week safety and then a 1-week final exercise. The course is residential and cannot be done from home.

This training event will build on previous experience in the Law Enforcement arena and provide a refresh and upskilling in HMRC powers and procedures.

For those that have not previously had the power to carry out an arrest under the Police and Criminal Evidence Act 1984, you will be trained to use this power before attending the Final Exercise.

Successful completion of the training course is an essential condition for continuing in the appointed role. Candidates must demonstrate the necessary competencies and meet the assessment standards set out during the training period. If a candidate is unable to successfully complete the training, HMRC may explore suitable alternatives including completing HMRC’s full Criminal Investigation Foundation Training programme, which is 9 weeks and a mixture of digital and face to face events. You would need to be available for the full programme.

Public and Personal Safety Training (PPST) is a crucial element of becoming a criminal investigator. This is a PASS/FAIL event.

The event includes digital and face-to-face training where you will learn practical techniques