Azure Infrastructure Engineer

Azure Infrastructure Engineer ( Azure Devops Cloud , Terraforms , Docker MSSQL PostgreSQL)

Build Cloud Infrastructure That Powers Critical SaaS Platforms

Our client is a leading technology organisation delivering large-scale, cloud-native SaaS solutions used by millions of users globally.

As part of continued investment in their cloud platform, they are looking for a Senior Azure Infrastructure Engineer to join a highly skilled Infrastructure Engineering team.

This is an opportunity to work on complex, high-availability environments where you’ll design, build and automate cloud infrastructure using Infrastructure as Code, while collaborating closely with architects, developers and platform teams to deliver business-critical applications.

If you enjoy solving difficult technical challenges, improving deployment automation, working with Kubernetes and mentoring other engineers, this could be an excellent next step.

The Role

As a Azure Engineer, you will be responsible for building and maintaining the cloud platforms that underpin a suite of large-scale SaaS applications.

Working within a project-focused delivery team, you will help drive infrastructure best practice, develop deployment pipelines, support cloud transformation initiatives and contribute to the continuous improvement of engineering standards across the organisation.

You will also act as a senior technical resource within the team, providing mentorship and supporting complex infrastructure issues when required.

Key Responsibilities
Cloud Infrastructure Engineering
Design, build and deploy Azure infrastructure using Infrastructure as Code principles.
Develop and maintain infrastructure and application deployment pipelines.
Deliver new cloud environments, services and platform capabilities.
Support the successful delivery of business-critical technology projects.
Ensure infrastructure aligns with established architectural standards and best practices.
Drive continuous improvement across deployment processes and automation frameworks.
DevOps & Automation
Build, maintain and optimise CI/CD pipelines.
Implement automated deployment and infrastructure provisioning processes.
Improve platform reliability, scalability and deployment efficiency.
Support modern containerised and cloud-native architectures.
Operational Support
Provide senior-level infrastructure support and technical escalation.
Participate in an on-call rota supporting critical production services.
Troubleshoot and resolve complex platform, networking and application hosting issues.
Produce high-quality technical documentation and operational procedures.
Leadership & Mentoring
Mentor and support other engineers within the Infrastructure team.
Share knowledge and encourage engineering best practice.
Collaborate with development, architecture and platform teams.
Contribute to technical standards and continuous improvement initiatives.
Technical Environment

You will work extensively across a modern Microsoft Azure environment including:

Azure Technologies
Azure Kubernetes Service (AKS)
Azure Application Gateway
Azure API Management (APIM)
Azure Service Bus
Azure SQL Server
Azure PostgreSQL
Azure Monitoring & Diagnostic Services
DevOps & Automation Tooling
Azure DevOps
Terraform
Docker
Helm Charts
Bash
Packer
Ansible
Infrastructure as Code
CI/CD Pipelines
About You
Essential Skills & Experience

We are looking for an engineer who can demonstrate:

Strong experience working within enterprise-scale Microsoft Azure environments.
Proven experience with Azure Kubernetes Service (AKS).
Expertise in Infrastructure as Code, particularly Terraform.
Strong experience developing and supporting CI/CD pipelines.
Solid understanding of:
Security best practices
Identity & Access Management (IAM)
Networking
Database platforms
Monitoring and compliance
Experience with Docker and containerised workloads.
Strong troubleshooting and analytical skills.
Excellent technical documentation skills.
Ability to manage competing priorities and take ownership of project outcomes.
Strong communication and stakeholder engagement skills.
Desirable Experience
SaaS platform environments.
Cloud transformation or migration projects.
Large-scale Azure deployments.
Infrastructure automation at enterprise scale.
Technical mentoring or team leadership responsibilities.
Highly regulated or security-conscious environments.
Why Apply?

This role offers the opportunity to:

Work with a modern Azure cloud platform.
Develop expertise across Kubernetes, DevOps and Infrastructure as Code.
Influence technical standards and engineering best practice.
Join a collaborative and highly skilled engineering team.
Work on complex, business-critical systems used at scale.
Benefit from genuine opportunities for career growth and professional development.
Benefits
Competitive salary
Hybrid and flexible working
Private medical insurance
Enhanced pension scheme
Life assurance
Holiday purchase scheme
Wellbeing and healthcare benefits
Cycle-to-work scheme
Employee referral programme
Learning and certification support

All our roles are UK based. When submitting your application to Colossus, please ensure the following

• Your CV has your address and postcode.
• You also have your correct phone number and email address so we can contact you asap regarding your application.