Shared Application Services (SAS) is a dynamic and rapidly expanding area within the Home Office, focused on strengthening capabilities in application development and support. SAS embraces cutting-edge technologies and continuously evolves to stay ahead of emerging trends.

As part of the DDaT’s innovative SAS Level 2 (L2) Support Team, you will contribute to real-time monitoring of the Home Office’s core technology, infrastructure, applications, and services. The team provides a unified operational view of the technical estate and ensures robust 24/7/365 support and recovery.

You will help deliver a forward-thinking approach to technical estate management, leveraging the latest technologies, methodologies, and service management best practices. The team is committed to developing intelligent solutions for real-time monitoring, automation, and service industrialisation.

Each area of responsibility presents unique challenges and opportunities where AI and automation can drive significant efficiency gains and enhance outcomes for both the public and colleagues.

As a Principal Infrastructure Engineer, you will serve as a highly skilled technical leader, shaping and delivering both strategic and tactical engineering roadmaps within your area of expertise. You will ensure that technologies and services are future-ready, enabling the organisation to maximise value from its investments.

You will define and champion engineering best practices across the Home Office, fostering a culture of excellence, innovation, and continuous improvement. Your leadership will empower teams to adopt forward-thinking approaches and uphold high standards in infrastructure engineering.

In this role, you may be responsible for managing operational relationships with suppliers, ensuring that services and products align with industry standards, regulatory requirements, and contractual commitments.

You will lead infrastructure teams in the design, development, support, and maintenance of solutions that align with departmental policies and strategic objectives. Working closely with technical architects, you will help shape the service catalogue, influence future designs, and enhance service operability.

Your responsibilities will also include overseeing key management activities such as workforce planning, budgeting, technology road mapping, and project delivery.

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:

• Backend: Java, Node.js, C#, Python, PHP, Scala, Power Platform

• Frontend: React, JavaScript, Typescript, Angular

• 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 are meeting 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.

Like many organisations we need to maintain our services 24/7, therefore, on occasions there may be a requirement to work out of hours, for which you will be paid an additional allowance.

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