18506 - Principal Infrastructure Engineer – Automation
| Posting date: | 08 June 2026 |
|---|---|
| Salary: | £71,381 to £85,257 per year |
| Additional salary information: | The national salary is £71,381 - £80,419. London salary is £75,674 - £85,257. Your salary will be dependent on your base location |
| Hours: | Full time |
| Closing date: | 22 June 2026 |
| Location: | UK |
| Remote working: | Hybrid - work remotely up to 3 days per week |
| Company: | Ministry of Justice |
| Job type: | Permanent |
| Job reference: | 18506 |
Summary
The Role
Please note this role requires you to pass Security Check clearance. Please click on the link for details.
We’re recruiting for a Principal Infrastructure Engineer for our Technology Services area here at Justice Digital, Data and Science, to be part of our warm and collaborative Digital Infrastructure and Security Operations (DISO), team.
This role aligns against Principal Infrastructure Engineer from the Government Digital and Data framework.
DISO is part of Technology Services in Justice Digital, Data and Science, a modern and diverse workplace that promotes a healthy work-life balance and flexible working options.
DISO designs, builds and supports user-centred digital and technology services for the justice system: services that make a real difference to our staff and users. Millions of people every year interact with our services, and DISO plays an important role in improving access to justice and making communication and connectivity experiences simpler and more efficient for all users.
We want to hear from people who want to make a difference by building excellent services that meet user needs and change their experience by creating a simpler, faster and better system for everyone. Our mission is to deliver a world-class justice system that works for everyone in society.
As a Principal Infrastructure Engineer at MoJ, you will work with colleagues across Technology Services and build strong relationships with Service Owners, Information Security, Customer Service Operational Teams, Delivery Managers, Product Managers and other key stakeholders. You will share knowledge of tools and techniques with the wider team and community. You will be comfortable working across multi-disciplinary teams and flexible enough to adjust, at short notice, to immediate demand.
The role will provide a dedicated support function dealing with service requests, tickets and major incidents. Occasionally you will participate in support during Out of Hours (OoH), for which you’ll be paid an allowance and further payment if dealing with incidents.
Key Responsibilities:
• Provide technical leadership for infrastructure automation, infrastructure workflows, cloud platform engineering, with a focus SaaS Infrastructure services and capabilities leveraging AI-assisted development (e.g. LLM-based tooling) to accelerate delivery of infrastructure-as-code (IaC) and operational workflows.
• Define and lead automation practices, embedding infrastructure as code, CI/CD pipelines and platform engineering principles across MoJ Technology services.
• Lead on resilience, reliability and cost optimisation, ensuring infrastructure platforms are efficient, observable, and sustainable.
• Collaborate with security and architecture teams to ensure secure-by-default infrastructure environments (EUCS, Networks, Voice & Video), aligned with government standards.
• Champion the use of automation, monitoring and analytics within end user computing, networking, voice and video services to improve efficiency, service performance, service quality and user experience.
• Build capability through mentoring, communities of practice and leadership of engineering excellence initiatives.
If this role feels like an exciting challenge, something you are enthusiastic about, and want to join our team please read on and apply!
Please note in addition to the Principal Infrastructure Engineer – Automation we will be recruiting for a Principal Infrastructure Engineer – Security Operations & a Principal Infrastructure Engineer – Network Operations, these will be advertised shortly.
Please note this role requires you to pass Security Check clearance. Please click on the link for details.
We’re recruiting for a Principal Infrastructure Engineer for our Technology Services area here at Justice Digital, Data and Science, to be part of our warm and collaborative Digital Infrastructure and Security Operations (DISO), team.
This role aligns against Principal Infrastructure Engineer from the Government Digital and Data framework.
DISO is part of Technology Services in Justice Digital, Data and Science, a modern and diverse workplace that promotes a healthy work-life balance and flexible working options.
DISO designs, builds and supports user-centred digital and technology services for the justice system: services that make a real difference to our staff and users. Millions of people every year interact with our services, and DISO plays an important role in improving access to justice and making communication and connectivity experiences simpler and more efficient for all users.
We want to hear from people who want to make a difference by building excellent services that meet user needs and change their experience by creating a simpler, faster and better system for everyone. Our mission is to deliver a world-class justice system that works for everyone in society.
As a Principal Infrastructure Engineer at MoJ, you will work with colleagues across Technology Services and build strong relationships with Service Owners, Information Security, Customer Service Operational Teams, Delivery Managers, Product Managers and other key stakeholders. You will share knowledge of tools and techniques with the wider team and community. You will be comfortable working across multi-disciplinary teams and flexible enough to adjust, at short notice, to immediate demand.
The role will provide a dedicated support function dealing with service requests, tickets and major incidents. Occasionally you will participate in support during Out of Hours (OoH), for which you’ll be paid an allowance and further payment if dealing with incidents.
Key Responsibilities:
• Provide technical leadership for infrastructure automation, infrastructure workflows, cloud platform engineering, with a focus SaaS Infrastructure services and capabilities leveraging AI-assisted development (e.g. LLM-based tooling) to accelerate delivery of infrastructure-as-code (IaC) and operational workflows.
• Define and lead automation practices, embedding infrastructure as code, CI/CD pipelines and platform engineering principles across MoJ Technology services.
• Lead on resilience, reliability and cost optimisation, ensuring infrastructure platforms are efficient, observable, and sustainable.
• Collaborate with security and architecture teams to ensure secure-by-default infrastructure environments (EUCS, Networks, Voice & Video), aligned with government standards.
• Champion the use of automation, monitoring and analytics within end user computing, networking, voice and video services to improve efficiency, service performance, service quality and user experience.
• Build capability through mentoring, communities of practice and leadership of engineering excellence initiatives.
If this role feels like an exciting challenge, something you are enthusiastic about, and want to join our team please read on and apply!
Please note in addition to the Principal Infrastructure Engineer – Automation we will be recruiting for a Principal Infrastructure Engineer – Security Operations & a Principal Infrastructure Engineer – Network Operations, these will be advertised shortly.