About the Role
We’re looking for an experienced and forward-thinking Azure Cloud Architect to play a critical role in shaping the infrastructure that underpins our high-stakes, high-volume SaaS products.
In this role, you’ll drive the design of robust, scalable, and secure Azure-based architectures, ensuring our platforms meet the highest standards of performance, availability, and cost-efficiency. You’ll work closely with Product Architects and engineering teams to turn complex concepts into practical, world-class infrastructure solutions.
This is an opportunity to influence architectural direction, champion best practices, and contribute to the ongoing evolution of our cloud platform strategy.
What You’ll Be Doing
Azure Architecture & Design
Lead the design of secure, performant, and supportable Azure infrastructure architectures
Contribute to and evolve reference architectures and reusable design patterns
Translate business and product requirements into scalable and resilient technical solutions
Embed observability, resilience, and security by design
Technical Leadership
Collaborate closely with Product Architects to shape and challenge design decisions
Provide expert guidance to ensure solutions are robust, cost-effective, and supportable
Ensure architectural consistency and alignment with best practice
Cloud & Platform Engineering
Design cloud-native solutions within the Microsoft Azure ecosystem, including AKS and distributed application platforms
Ensure designs are scalable, highly available, and cost-optimised
Enable strong cost governance and reporting capabilities
Cross-Functional Collaboration
Work closely with engineering teams, development leads, and technical architects
Ensure infrastructure changes align with standards, processes, and a customer-first mindset
Support project teams through the full lifecycle, from design through to delivery
Continuous Improvement
Drive adoption of modern infrastructure tooling and automation practices
Influence and improve architectural standards and ways of working
Share knowledge and mentor others within the team
What We’re Looking For
Experience & Expertise
Deep expertise in the Microsoft Azure ecosystem, including AKS and distributed systems
Strong understanding of security, IAM, networking, and database architecture
Proven experience designing and troubleshooting complex, distributed systems
Experience supporting high-scale SaaS platforms in production environments
Technical Skills
Hands-on experience with tools such as:
Azure DevOps
Docker
Terraform
Bash
Packer
Ansible
Strong understanding of infrastructure-as-code and automation principles
Professional Skills
Excellent collaboration and stakeholder engagement skills
Strong problem-solving and analytical thinking
Ability to balance technical excellence with business impact and cost considerations
Effective time management and prioritisation skills
What Success Looks Like
High-quality, scalable, and resilient infrastructure designs delivered consistently
Strong alignment between product vision and infrastructure capability
Secure, cost-controlled architectures supporting critical customer platforms
Improved reuse through standardised patterns and reference architectures
Effective collaboration across architecture, engineering, and product teams
Values
Customer Success – putting users at the heart of decisions
High Standards – striving for excellence in every design
Respect for Others – collaborating openly and constructively
Innovation – continuously improving and evolving
Openness & Enjoyment – fostering a positive, inclusive working environment
Work on high-impact, high-scale SaaS platforms
Shape the future of cloud architecture in a growing organisation
Collaborate with highly skilled architects and engineers
Be part of a culture that values innovation, quality, and continuous improvement
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
Salary description
£80000.00 - £80000.00 per year