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Infrastructure Engineer CTI - HMRC - SEO

Government Digital & Data -

Full-time (Permanent)
National: £45,544 - £49,523 London: £50,686 - £55,157
Published on
2 June 2026
Deadline
15 June 2026

Location

Gillingham (Kent), Manchester, Stratford

About the job

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 CODE Technology Infrastructure Team (CTI) 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. CTI supports FIS CODE and all wider FIS investigations.

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

As FIS grows, so does the need for Infrastructure support. The Senior 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.

Job description

As a Senior 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 other Infrastructure managers and collaborate closely with fellow engineers to provide support and have responsibility for 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 Technology Infrastructure.

For more information about our Directorates, Lines of Business and some of our roles, please visit the FIS Careers pages (opens in new window).

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.

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):

Technical

  • Lead and direct a team of infrastructure specialists and engineers, ensuring services are integrated, delivered, and operated as required.
  • Provide direction and support to junior engineers.
  • Manage multiple priorities in a fast-paced environment. 
  • Lead and work collaboratively within a high performing, technically skilled team, sharing ideas and best practices, while also demonstrating the initiative to work independently with minimal supervision.
  • Play a leading role in the planning, designing, maintaining, and improving FIS Infrastructure services and technologies.
  • Work closely with third party providers, to support the delivery of infrastructure services, and collaborate with technical architects to translate architectural designs into operation infrastructure.
  • You can break complex issues down into their component parts to identify and diagnose root causes, and you are skilled at troubleshooting and identifying problems across different technology capabilities.

Communication

  • We are looking for 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.

Additional responsibilities

  • This may include participating in technical workshops to assess business requirements to support possible changes to existing services, identifying requirements and quantifying benefits.

Travel and On Call

  • 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

  • Extensive experience with network technologies such as Cisco routing and switching, Fortinet, ACI, Cisco Firepower, Core Network Knowledge such as IPv4, DNS, DHCP, subnetting etc and the use of ACLs in hardware and software firewalls.  
  • Demonstrable experience with Microsoft Windows domains and Systems Administrations
  • Extensive awareness or experience of Data Centre Management and Enterprise Hardware such as HP or PURE Storage.
  • Experience of Enterprise Class Operating Systems (Windows, Linux etc).
  • Experience with Virtualisation such as VMWare, HyperV, or similar.
  • Experience in providing support and guidance to other junior colleagues.
  • Demonstrable experience in Troubleshooting and problem solving.
  • Demonstrable experience and knowledge of best practice security principles information security and disaster recovery.

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, etc.
  • Exposure to, or awareness of automation, scripting or programming languages (PowerShell, Python, TypeScript, etc.).
  • Awareness of public cloud technologies or an interest to learn more.
  • 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.
  • Knowledge of Solution Architecture.
  • Knowledge of Containerisation.
  • Full UK Driving Licence.

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