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Principal Infrastructure Engineer

Job details
Posting date: 15 September 2025
Salary: £73,900 to £85,690 per year
Additional salary information: National £73,900 - £81,290 London £77,900 - £85,690 You may also be eligible for an additional non-pensionable allowance, pending a Capability and Skills assessment, with a value of up to £21,700
Hours: Full time
Closing date: 29 September 2025
Location: Sheffield
Company: Government Recruitment Service
Job type: Permanent
Job reference: 427543/4

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Summary

Networks and Infrastructure (N&I) within the Home Office are responsible for delivering and maintaining the core infrastructure for all the Home Office. This post sits within the existing Core Infrastructure team.

The team handles a diverse range of systems, concepts, and technologies. This includes Windows and Linux servers, core Windows technologies such as Active Directory, DNS, DHCP and Certificate Authority. They also manage server and service monitoring, Infrastructure as Code, immutable infrastructure, automation and serverless compute as well as public cloud provided services across several major public cloud vendors. The team collaborates extensively with other traditional infrastructure teams for connectivity and services as well as application teams to move legacy workloads to the cloud.

A Principal Infrastructure Engineer is a technical leader, responsible for developing strategic and tactical engineering roadmaps for technologies and services, ensuring they are future proofed and maximise value of technology investments. You define engineering best practice within the Home Office and inspire others to adopt them.

You may be responsible for the operational relationships with suppliers, ensuring services and products are delivered and aligned to industry best practice, regulatory and contractual requirements.

Leading infrastructure teams, you oversee the building, managing, supporting, and maintaining solutions according to departmental policy and strategy. You will work with technical architects, ensuring continuous improvement to the service catalogue, future designs, and service operability. You will lead on overall management activities such as workforce planning, budgeting, technology roadmaps, projects, and tasks.

This post offers the opportunity for skilled, ambitious applicants to work with a range of these technologies to develop their skills and career in Infrastructure Engineering within a large enterprise environment.

Tools and Technologies we use:

We are keen for Engineers to continue learning new technologies, we have a large range in the Home Office including:

  • Infrastructure: Windows, Linux, security hardening, Active Directory, Entra, cloud IaaS and PaaS, DNS, PKI
  • Networking: Aviatrix, software defined networking, next generation firewalls, switching, routing, firewalling and load balancing
  • Backend: PowerShell, GO, Python,
  • Data: PostgreSQL, Microsoft SQL Server, Mongodb, Apache Cassandra 
  • DevOps/Platforms: Azure, AWS, Kubernetes, Azure, Jenkins, Docker, Ansible, Terraform
  • AI: Azure ML Studio, Python, Github Copilot, OpenAI

What you will do

Your main day to day responsibilities will be:

  • leading teams and departments in the design, implementation, transition, administration and support of infrastructure solutions and services
  • providing operational feedback to technical architects to ensure their designs meet the needs of the infrastructure engineers
  • providing support to make sure that solutions and services are designed with security controls embedded, specifically engineered as mitigation against security threats
  • ensuring that the right actions are taken to investigate, resolve and anticipate problems, coordinating teams to investigate problems, implement solutions and establish preventative measures
  • establishing standards and procedures across a service lifecycle including the development lifecycle and ensure that engineers adhere to this. Managing resources to ensure that the systems integration function works effectively
  • defining and helping shape engineering best practices and standards

Due to business requirements this post is available on a full time/flexible working basis. Where business needs allow, some roles may be suitable for a combination of office and home-based working. Where this is the case, employees will be expected to spend a minimum of 60% of their working time in the office. 

This role is not suitable for part-time working due to the nature of the role.

UK residency and security requirements - You need to have lived in the UK for the past 5 years.

Proud member of the Disability Confident employer scheme

Disability Confident
A Disability Confident employer will generally offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people. For more details please go to Disability Confident.

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