Senior Infrastructure Engineer

nuffieldhealth; Epsom; Hybrid; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Free gym membership

Health assessments

Retail discounts

Pension options

Job summary

Nuffield Health in the United Kingdom is seeking a Senior Infrastructure Engineer to design, implement and maintain core infrastructure supporting clinical and health services. The role blends hands-on engineering with strategic thinking in a hybrid setup (one office day per week) across Epsom and Barbican, London.

Responsibilities include migrating applications to Azure, implementing Entra ID RBAC and secure baselines, and driving IaC using Terraform and ARM/Bicep.

Qualifications

• Strong hands-on experience with Azure Cloud infrastructure (IaaS, PaaS, serverless).
• Experience with infrastructure-as-code tools to provision and manage cloud infra.
• Proficiency in Windows Server and Linux; scripting in PowerShell and Bash.

Responsibilities

• Design and evolve cloud and on-prem infrastructure for scalability and performance, supporting migration to Azure.
• Implement identity and security best practices (Entra ID, RBAC, Key Vault, patching).
• Use IaC tools (Terraform/ARM/Bicep/CloudFormation) to provision infrastructure and automate delivery processes.
• Collaborate with DevOps, Networking, Security, and Engineering to deliver robust Azure platform solutions and maintain documentation.
• Manage patching, vulnerability remediation, and secure baselines.

Skills

Azure Cloud

Terraform

PowerShell

Entra ID

Tools

Terraform

ARM/Bicep

CloudFormation

Entra ID

Key Vault

Job description

Senior Infrastructure Engineer

Epsom & Barbican, London | Hybrid Working (One office day a week) | Permanent | Full-Time | Competitive salary available, depending on experience | 37.5 hours per week

Overview

The Senior Infrastructure Engineer role is responsible for designing, implementing, and maintaining the core infrastructure that underpins the organisation's applications and services. This role blends hands‑on engineering with strategic thinking, ensuring systems are secure, scalable, resilient, and aligned with long‑term business goals. The engineer acts as a subject‑matter expert, mentor, and key contributor to architectural decisions.

Key Responsibilities

• Design and evolve cloud and on‑premises infrastructure with a focus on scalability, reliability, and performance, supporting migration of applications and databases from on‑premise to Azure Cloud.


• Implementing identity, access control, and security best practices (Entra ID, RBAC, managed identities, Key Vault, secure baselines, patching)


• Implementation of infrastructure-as-code (IaC) using tools such as Terraform, ARM/Bicep, or CloudFormation.


• Collaborate with DevOps, Networking, Security, and Engineering teams to deliver integrated, compliant and robust Azure Cloud platform solutions and maintain clear documentation.


• Manage patching, vulnerability remediation, and secure configuration baselines.

Requirements

• A core understanding and hands‑on working experience with the Azure Cloud infrastructure, hosting and services e.g. IaaS, PaaS, Serverless computing, Databases and all‑in‑one Azure cloud‑based solutions.


• Experience working with infrastructure‑as‑code, configuration and automation tools such as Terraform to provision and manage Cloud infrastructure and automate software delivery processes.


• Strong proficiency with Windows Server and Linux, and in automation and scripting (PowerShell, Bash).


• Experience with Azure identity services (Entra ID), RBAC, managed identities, and Key Vault.


• Experience designing and supporting highly available and resilient cloud environments (backup, restore, Disaster Recovery).


• Strong understanding of cloud security principles, including secure configuration, patching, and vulnerability management.


• Solid understanding of networking, load balancing, DNS, firewalls, and VPNs


• Experience implementing monitoring and observability solutions (Azure Monitor, Application Insights, New Relic, or similar).


• Optimise cost, performance, and resource utilisation across environments.

Collaboration & Leadership

Partner with software engineering, product, and security teams to deliver robust and scalable solutions.

Mentor junior engineers and contribute to building a high‑performing infrastructure team.

Influence technical direction and contribute to long‑term infrastructure strategy.

Document systems, processes, and architectural decisions clearly and effectively.

Professional Attributes

• Strong analytical and problem‑solving skills.


• Ability to lead complex technical initiatives with minimal oversight.


• Excellent communication skills, with the ability to explain technical concepts to non‑technical stakeholders.


• A mindset focused on automation, reliability, and continuous improvement.

Work within Product Engineering teams and collaborated closely with Product Owners, Architects, Designers, DevOps, QA and Delivery, enabling and upskilling teams in cloud platform capabilities, infrastructure‑as‑code, and operational tooling.

This role will provide you with the opportunity to:

• Working across a variety of clinical applications that deliver various services connected to health care.


• Work closely with cross‑functional product teams to design and implement appropriate cloud native solutions, codifying the infrastructure, configuration, and CI/CD pipelines to automate processes and improve efficiency.


• Work collaboratively with like‑minded colleagues who are focused on improving the health of our nation and making a real difference to peoples' everyday lives


• Helping you feel good.

Benefits

We want you to love coming to work, feeling healthy, happy and valued. That's why we've developed a benefits package with you in mind.

• free gym membership, health assessments, retail discounts and pension options

At Nuffield Health, we take care of what's important to you.