Cloud Systems Engineer

CARE International UK; Greater London; On-site; GBP 70,000 - 95,000; Full time

Job summary

CARE International UK is seeking a Lead Cloud Systems Administrator to guide the management, optimisation and security of its cloud infrastructure and enterprise systems. The role focuses on maintaining highly available platforms, supporting cloud migration and ensuring effective administration of Azure, Microsoft 365, Windows and Linux servers.

You will lead on security, automation, incident response and continuous improvement while mentoring junior colleagues and coordinating with stakeholders

Qualifications

• Experience with Microsoft Azure, Microsoft 365, Windows Server and hybrid environments.
• Strong troubleshooting, automation and security skills.
• Experience with Entra ID, Intune, networking, backup and disaster recovery.
• Ability to mentor others and manage competing priorities.
• Security-first approach and proactive continuous improvement.

Responsibilities

• Lead management, optimisation and security of CARE's cloud infrastructure.
• Maintain highly available platforms and support cloud migration activity.
• Administer core services including Azure, M365, Windows and Linux servers.
• Collaborate with IT Manager and stakeholders across the organisation.
• Drive automation and standardisation to improve performance.

Skills

Cloud infrastructure

Azure

Microsoft 365

Windows Server

Windows/Linux hybrid

Automation

Security

Incident response

Leadership

Stakeholder management

Education

Azure/AWS/M365 certifications

Tools

Azure

Microsoft 365

Intune

Entra ID

PowerShell

Job description

The Lead Cloud Systems Administrator is responsible for leading the management, optimisation and security of CARE International UK’s cloud infrastructure and enterprise systems. The role focuses on maintaining highly available and secure platforms, supporting infrastructure transformation and cloud migration activity, and ensuring effective administration of core services including Azure, Microsoft 365, Windows and Linux servers, identity services, networking, backup and disaster recovery. The postholder will work closely with the IT Manager, wider IT team and key stakeholders across the organisation, while also supporting projects, change management and technical planning.

The role requires strong technical knowledge across cloud platforms, systems administration, security and infrastructure support, alongside excellent analytical and problem-solving ability. You will need to be confident managing complex environments, improving performance through automation and standardisation, and responding effectively to incidents and vulnerabilities. Success in the role will also depend on your ability to communicate clearly, lead troubleshooting, mentor junior colleagues and take a proactive, security-first approach to continuous improvement.

About you

You will be an experienced cloud infrastructure or lead systems administrator with strong hands-on expertise across Microsoft Azure, Microsoft 365, Windows Server and hybrid environments. We are looking for someone with excellent troubleshooting, automation and security skills, including experience with Entra ID, Intune, networking, backup and disaster recovery, and PowerShell scripting. You will also bring strong leadership, communication and stakeholder management skills, with the ability to mentor others and manage competing priorities. Relevant certifications such as Azure Administrator, Azure Solutions Architect, AWS SysOps, Security+ or ITIL would be advantageous.