Specialist, It Infrastructure Engineering

Job Descriptionhackajob is collaborating with Colt Technology Services to connect them with exceptional professionals for this role.\ NColt 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.\ NWhy we need this role\ NThe 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).\ NThe role delivers secure, standardised, and automated solutions, translating architectural designs, standards, and roadmaps into robust, scalable platform implementations and operational services.\ NWorking 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.\ NIt 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.\ NWhat you will do\ NEngineers and supports solutions across M365, Azure, GCP, and Identity, ensuring platforms, tooling, interfaces, and configurations are secure, resilient, automated, and operationally effective.\ N\nMicrosoft 365 Platforms: Implementation, configuration, and support of collaboration and productivity services (inc. Teams, Exchange, SharePoint, OneDrive, Intune), including governance controls, security settings, and lifecycle activities\ NAzure Cloud: Deployment and support of landing zones, subscriptions, connectivity, platform services, and governance controls aligned to architectural standards\ NGoogle Cloud Platform (GCP): Implementation and operational support of project structures, networking, workload environments, and security configurations\ NIdentity & Access: Engineering and operation of Active Directory and Entra ID, including authentication, Conditional Access, privileged access, identity governance, and directory integration\ NCloud Security & Compliance: Implementation and maintenance of secure configurations, monitoring, logging, encryption, and policy enforcement across cloud and identity platforms\ NDelivers and supports standardisation, automation, tooling, and consistency across cloud, workplace, and identity platforms\ N\nWhat we're looking for\ N 1. Solution Engineering & Operation\ N\nImplement and operate infrastructure and platform solutions aligned to architectures, standards, and patterns\ NBuild, configure, and operate end-to-end cloud, M365, and identity solutions\ NAct as senior escalation point for engineering and operational issues\ N\n2. Security, Resilience & Operability\ N\nImplement and operate secure-by-design configurations\ NEnsure resilience, recoverability, monitoring, and operational readiness are delivered and sustained\ N\n3. Roadmap Execution\ N\nDeliver and operate roadmap initiatives and platform improvements\ NSupport planning andexecution of engineering and operational changes\ N\n4. Cross-Domain Collaboration\ N\nWork with Architecture, Security, Development, and Infrastructure teams to deliver integrated solutions\ NEnsure solutions aretested, transitioned, and fully operational\ N\n5. Vendor & Technology Engagement\ N\nWork with vendors to support implementation, operation, and issue resolution\ NContribute to platform, tooling, and operational improvements\ N\n6. Operational Governance & Support\ N\nEnsure solutions align to standards and are maintained through BAU lifecycle\ NSupport incident, problem, and continuous service improvement activities\ N\n7. Automation, Standardisation & Optimisation\ N\nImplement and operate automation-first solutions\ NReduce manual effort, technical debt, and complexity\ NImprove stability, consistency, and operational efficiency at scale\ N\nOperational Support\ N\nParticipate inan on-call rota for priority incident support\ N\nLeadership & Behavioural Expectations\ NOperates as a senior engineer with strong ownership, accountability, and delivery focus.\ N\nOwnership & Execution: Delivers reliable, secure solutions end-to-end, translating design into high-quality implementation\ NTechnical Leadership: Acts as SME across cloud, M365, and identity, resolving complex technical challenges\ NCollaboration & Influence: Works effectively across teams, contributing to design decisions and stakeholder outcomes\ NAdaptability & Improvement: Responds to challenges while driving automation, optimisation, and clear communication\ N\nQualification\n\ NExtensive experience in engineering and supporting cloud, workplace, and identity platforms\ NStrong expertise across:\ N\n\n\n\nMicrosoft 365 configuration, administration, and security\ NAzure cloud engineering (deployments, governance, connectivity)\ NGCP engineering (projects, networking, security, operations)\ NIdentity and access (Active Directory, Entra ID, authentication, access control)\ NSecurity configuration and resilience practices\ NAutomation and operational tooling (PowerShell, scripts, IaC concepts)\ N\n\n\n\nStrong troubleshooting and problem-solving capability\ NExperience working in enterprise-scale environments\ N\nWhat we offer you:\ NLooking to make a mark?\ NAt Colt, you’ll make a difference. Because around here, we empower people. We don’t tell you what to do.\ NInstead, we employ people we trust, who come together across the globe to create intelligent solutions.\ NOur 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.\ NWe 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.\ NDiversity and inclusion\ N\nInclusion and valuing diversity of thought and experience are at the heart of our culture here at Colt. From day one, you’ll be encouraged to be yourself because we believe that’s what helps our people to thrive. We welcome people with diverse backgrounds and experiences, regardless of their gender identity or expression, sexual orientation, race, religion, disability, neurodiversity, age, marital status, pregnancy status, or place of birth.\ N\nMost recently we have:\ N\nSigned the UN Women Empowerment Principles which guide our Gender Action Plan\ NTrained 60 (and growing) Colties to be Mental Health First Aiders\ NPlease speak with a member of our recruitment team if you require adjustments to our recruitment process to support you. For more information about our Inclusion and Diversity agenda, visit our DEI pages.\ N\nBenefits\nOur benefits support you through all parts of life, for both physical and mental health.\ N\nFlexible working hours and the option to work from home.\ NExtensive induction program with experienced mentors and buddies.\ NOpportunities for further development and educational opportunities.\ NGlobal Family Leave Policy.\ NEmployee Assistance Program.\ NInternal inclusion &diversity employee networks.\ N\nA global network\ N\nWhen you join Colt you become part of our global network. We are proud of our colleagues and the stories and experience they bring – take a look at ‘Our People’ site including our Empowered Women in Tech.\ N