Colt provides network, voice and data centre services to thousands of businesses around the world, allowing them to focus on delivering their business goals instead of the underlying infrastructure.
The Senior IT Infrastructure Engineer (M365, Azure, GCP & Identity) is responsible for the engineering, implementation, and operational support of Microsoft 365, Azure, Google Cloud Platform (GCP), and enterprise identity (AD/Entra).
The role delivers secure, standardised, and automated solutions, translating architectural designs, standards, and roadmaps into robust, scalable platform implementations and operational services.
Working as a senior technical expert within the engineering team, the role collaborates with Architecture, Security, Development, and Operations teams to ensure solutions are delivered, integrated, and operated effectively.
It embeds security, resilience, automation, and operability by implementation, driving consistency and optimisation across M365, Azure, GCP, and Identity platforms. Through engineering excellence, the role reduces risk, complexity, and manual effort, improves resilience and service stability, and supports cost-efficient platform operations.
Engineers and supports solutions across M365, Azure, GCP, and Identity, ensuring platforms, tooling, interfaces, and configurations are secure, resilient, automated, and operationally effective.
1. Solution Engineering & Operation
2. Security, Resilience & Operability
3. Roadmap Execution
4. Cross-Domain Collaboration
5. Vendor & Technology Engagement
6. Operational Governance & Support
7. Automation, Standardisation & Optimisation
Operational Support
Leadership & Behavioural Expectations
Operates as a senior engineer with strong ownership, accountability, and delivery focus.
Looking to make a mark?
At Colt, you’ll make a difference. Because around here, we empower people. We don’t tell you what to do.
Instead, we employ people we trust, who come together across the globe to create intelligent solutions.
Our global teams are full of ambitious, driven people, all working together towards one shared purpose: to put the power of the digital universe in the hands of our customers wherever, whenever and however they want.
We give our people the opportunity to inspire and lead teams, and work on projects that connect people, cities, businesses, and ideas. We want you to help us change the world, for the better.
Diversity and inclusion
Most recently we have:
Benefits
Our benefits support you through all parts of life, for both physical and mental health.
A global network
Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed. Powered by amazing people and like-minded partners, Colt is driven by its purpose: to put the power of the digital universe in the hands of its customers, wherever, whenever and however they choose.
Since 1992, Colt has set itself apart through its deep commitment to its customers, growing from its heritage in the City of London to a global business spanning 40+ countries, with over 6,000 employees and more than 80 offices around the world. Colt’s customers benefit from expansive digital infrastructure connecting 32,000 buildings across 230 cities, more than 50 Metropolitan Area Networks and 250+ Points of Presence across Europe, Asia, the Middle East, Africa and North America’s largest business hubs.
Privately owned, Colt is one of the most financially sound companies in the sector. Obsessed with delivering industry-leading customer experience, Colt is guided by its dedication to customer innovation, by its values and its responsibility to its customers, partners, people and the planet.
For more information, please visit www.colt.net
