Senior Site Reliability Engineer – Python

Allscreens Nationwide Ltd; Birmingham; On-site; GBP 64,000 - 84,000; Full time

Job summary

The Department for Business, Innovation, Science and Trade (BIST) is recruiting a Senior Site Reliability Engineer to design, build and operate reliable, scalable platform services in Birmingham. You will work with multidisciplinary teams to provide observability, tooling and CI/CD support ensuring services are resilient and performant.

You will spend time hands-on coding in Python and managing cloud infrastructure, while mentoring peers and improving security, resilience and deployment

Qualifications

• Experience designing,building and running reliable, scalable platform services.
• Strong capability with observability, monitoring and incident handling.
• Proven track record applying SRE practices, SLIs/SLOs and error budgets.

Responsibilities

• Build and maintain shared service products enabling developers to be more efficient.
• Write clean, well-tested Python code for platform tooling and services.
• Improve platform tooling, monitoring, logging, metrics, dashboards and CI/CD pipelines.
• Develop and maintain cloud infrastructure using IaC (Terraform).
• Support teams to adopt SRE practices, including SLIs/SLOs and error budgets.
• Contribute to observability across services to understand performance and user impact.
• Enhance CI/CD pipelines for safe, frequent deployments.
• Collaborate with product, delivery and architecture to meet user needs.
• Support live service operations including incident response and problem management.
• Mentor colleagues and contribute to an inclusive engineering community.

Skills

Python

Django framework

Observability

CI/CD

On-call support

Incident response

SRE practices

Tools

Docker

Terraform

AWS

ECS

ECR

GitHub Actions

CodePipelines/CodeBuild

PostgreSQL as a service (RDS)

Job description

Senior Site Reliability Engineer – Python

Company: Government Recruitment Service
Salary: £63,824 - £83,778
Hours: Full-time
Location: Birmingham
Job type: Permanent
Posting date: 25 Aug 2026
Closing date: 14 Sept 2026

About us

The Department for Business, Innovation, Science and Trade (BIST) helps businesses invest, innovate, export and grow across the UK. Digital, Data and Technology (DDaT) helps deliver this by designing, building and running the services, platforms and technology that businesses and colleagues rely on every day.

Our teams work on a wide range of services and technologies, including:

• digital services that help businesses access government support, guidance and opportunities
• data and AI products that support decision making and enable innovation
• internal tools and services that help colleagues work more effectively
• secure technology and platforms that support critical government services
• cyber security services that protect systems, data and users

By joining DDaT, you'll work on services used by businesses, colleagues and citizens across the UK. You'll be part of multidisciplinary teams focused on improving services, solving complex problems and delivering better outcomes for users.

We are committed to creating an inclusive and supportive workplace. In recognition of this, we were named Best Public Sector Employer at the Women in Tech Employer Awards 2025!

About the role

As a Senior Site Reliability Engineer (DevOps), you will play a key role in designing,buildingand running reliable,scalableand secure platform services that underpin criticalBISTdigital products. Working in multidisciplinary, agile teams,you’llhelp ensure development teams have the tools and support they need,from observability andmonitoringthrough to CI/CD pipelinesso services are resilient,performantand centred around user needs.You’llchampion good engineering practices, helping teams use data and insight to continuously improve how services are delivered andoperated.

This is a hands-on role whereyou’llspend much of your time building and improving platform capabilities directly.You’llwork closely with product managers,architectsand engineers to improve reliability and reduce operational burden, while also supporting and mentoring others across the engineering community.You’llcontribute to building and scaling our global platform, support live services through an on-call rota, and play an active role in initiatives such as enhancing observability and streamlining deployment processes to improve service quality and delivery outcomes.

You will:

• Build andmaintainshared service products enabling developers to be more efficient.
• Write clean,maintainableand well-tested code to support platform and tooling development.
• Work closely with development teams to provide and improve platform tooling, including monitoring, logging, metrics,dashboardsand CI/CD pipelines.
• Build,maintainand improve reliable,secureand scalable cloud-based infrastructure using infrastructure-as-code approaches.
• Support teams to adopt SRE practices, including Service Level Indicators (SLIs), Service Level Objectives (SLOs)and error budgets.
• Contribute to observability across services, helping teams better understand performance,reliabilityand user impact.
• Develop and improve CI/CD pipelines to enable safe,frequentand low-risk delivery of changes.
• Collaborate with product,deliveryand architecture colleagues to ensure platform services meet user and business needs.
• Support live service operations, including incident response, troubleshooting and problem management, with a focus on learning and continuous improvement.
• Share knowledge and provide coaching and mentoring to colleagues, contributing to a supportive and inclusive engineering community.
• Contribute to improving security,resilienceand compliance practices within the platform.

What tech will you be using?

• Python and Django framework
• PostgreSQL as a service (Amazon RDS)
• GitHub Actionsand AWSCodePipelines/CodeBuild
• Terraform
• Docker, Elastic Container Service (ECS)and Elastic Container Registry (ECR)

Proud member of the Disability Confident employer scheme