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.

HMRC’s Fraud Investigation Service (FIS) is responsible for the department’s civil and criminal investigations.

Covert Operations, Digital Exploitation (CODE) sits within FIS. Working across Law Enforcement and government, CODE provides investigative tools and covert techniques to front-line investigations and works with key partners to develop and provide access to new technology and systems to enable investigators to respond to serious and complex tax evasion and crime.

This role sits within the Digital Forensic Infrastructure Team (DFI) which is part of FIS CODE Capability, Development, Infrastructure & Innovation (CDII) and plays an integral role in His Majesty's Government's fight against serious and organised crime, supporting investigations totalling hundreds of millions of pounds each year. DFI supports FIS CODE and all wider FIS investigations.

Digital Forensic Infrastructure (DFI) is responsible for delivering a broad portfolio of change initiatives, both to sustain and transform FIS’s legacy technologies and to deliver innovative new solutions, designed around our customers’ needs. DFI works in an integrated way to combine digital and technology change, project deliver, business process, product management and cultural change to maximise impact and ensure sustainability.

Job description

As FIS grows, so does the need for Infrastructure support. The Infrastructure Engineer role is an amazing opportunity for any experienced, forward thinking and focused individual who has a passion for technology.

If you flourish with dealing with diverse challenges, enjoy delivering exceptional support to users, growing your knowledge and want to work with a like-minded and supportive team then this may be the role for you.

As an IT Infrastructure Engineer, you will ensure robust, reliable high-performance systems and services meet business needs. You'll be responsible for building, administration, maintenance, and monitoring of diverse systems. This includes servers, storage, endpoint management, networks, telephony, and business applications.

You will work closely with Infrastructure managers and collaborate closely with fellow engineers to provide third-line support and project delivery across a wide spectrum of IT systems. You'll also engage frequently with other teams and departments outside of IT to achieve shared objectives. This role offers the opportunity to influence the future technical direction within a dynamic and innovative team environment which is vital to the successful delivery of FIS CODE Infrastructure and Technology.

This post attracts a Level 2 Flexibility Payment (FP) that is paid monthly with salary. This FP allows HMRC flexibility to change your work pattern, at short notice, to meet business needs. You will be expected to undertake periods of On Call. You will also be expected to work additional hours, at weekends and outside your normal working hours/days (including bank holidays).

In applying for a position and accepting the FP you agree that you can and will meet those attendance requirements.

FP levels are reviewed annually – on a business need and personal basis – and may be subject to change.

Details of the Flexibility Payment can be found in the attached document.

Person specification

We are looking for an enthusiastic, resilient individual who can deliver in an impactful way within a fast-paced environment with shifting priorities.

For this role you must:

Hold SC Clearance or be willing to be SC cleared to take up duty.

Please refer to the Additional Security Information below for further information.

Additional Security Information

Please note in addition to the standard pre-employment checks for appointment into the Civil Service, all candidates must also obtain National Security Vetting at Security Check (SC) clearance level for this vacancy. You will normally need to meet the minimum UK residency period as determined by the level of vetting being undertaken, which for SC is 5 years UK residency prior to your vetting application. If you have any questions about this residency requirement, please speak to the vacancy holder for this post.

From 1 April 2026, applicants will be required to meet updated nationality and residency requirements so that National Security Vetting (NSV) checks can be conducted. If this affects you, we will give you more information at the appropriate time.

This is an IT Technical role, and you will already have an Infrastructure background with technical understanding of infrastructure (i.e., virtual machines, datacentres and environments).

The successful candidate will be undertaking the following (but not limited to):

Providing 3rd-line support for Incidents, managing Service Requests, Tasks and Problems, adhering to established processes and ITIL standard methodology within agreed SLA’s.
Supporting datacentre management activities including capacity and availability management.
Installing, managing, and maintaining end user devices in a Windows environment.
Involvement in the assurance programme to ensure that assets are regularly reviewed, maintained and improved where necessary.
Assisting in the provision of outstanding services and consistent levels of capability.
Provide technical support and assistance to projects, ensuring delivery of non-functional requirements and continual service improvement.
Be familiar with the installed hardware and software and the procedures in use in the IT Infrastructure area.
An excellent communicator who can describe basic technical concepts to technical and non-technical audiences and you will regularly be expected to provide verbal updates and produce written user documentation on BAU taskings and projects.
This may include participating in technical workshops to assess business requirements to support possible changes to existing services, identifying requirements and quantifying benefits.

Regular travel within the UK for meetings and infrastructure work will be required with occasional overnight stays. You will be required to work out of hours on an on-call rota, weekdays and weekends.

Essential Criteria

Demonstrable knowledge or experience with network technologies including knowing how to build, configure, administer and support infrastructure technologies and solutions. These technologies and solutions can include computing, storage, networking, physical infrastructure, software, commercial-off-the-shelf software (COTS), and open-source packages and solutions.
Knowledge of virtualisation technologies such as VMWare, vSphere or Horizon.
Demonstrable knowledge or experience of Microsoft Windows domains and associated services (A/D, GPOs, domain trusts, DNS, DHCP, PKI etc.).
Experience with supporting the planning, installation, maintenance and improvement of hardware services within a data centre.
Demonstrable experience to break a problem down into its component parts to identify and diagnose root causes as well as troubleshoot across different technology capabilities.
You can demonstrate an awareness of information security and the types of security controls that can be used to mitigate security threats within solutions and services.
Experience of being a strong communicator who can perform in a client/customer facing role with the ability to communicate technical concepts to a non-technical audience (both verbally and in writing).

Desirable Criteria

Qualifications in Information Technology or a related field and/or practical experience supporting an IT environment.
Qualifications and certifications held may include (but are not limited to): MCSE, CCNA, SAA-C03, CompTIA, etc.
Knowledge or experience of Cisco, ACI or NXOS, Fortigate firewalls.
ITIL Foundation Qualification or demonstrable understanding of ITIL Lifecycle Standards.
Exposure to, or experience working with DevOps processes and practices.
Experience working with Gitlab or other CI/CD tools.
Experience working with programming/IaC languages (eg. Powershell, Python, Terraform).
Exposure to, or experience working with project management tools (eg. Jira, MS Project) Exposure to, or experience with version control systems.
Full UK Driving Licence.

Technical skills

We'll assess you against these technical skills during the selection process:

Technical Assessment

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Infrastructure Engineer

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