Senior Infrastructure Engineer

Job summary

The Senior Infrastructure Engineer designs, implements, administers, and supports large-scale Microsoft-based infrastructure across on-premises, cloud, and hybrid environments. The role covers Microsoft 365, Windows Server, Active Directory, Linux, endpoint management, networking, virtualization, backup and disaster recovery, and cybersecurity, including controls aligned with ISO 27001. It also leads infrastructure projects, migrations, cloud adoption, and PowerShell automation, and provides on-call support for critical services.

Qualifications

• Bachelor of Science in Computer Science, Management Information Systems, or a related field.
• At least 5 years of experience as a Systems Administrator or Infrastructure Engineer.
• Strong experience with Microsoft 365, Entra ID, Exchange Online, Teams, and SharePoint.
• Advanced knowledge of Windows Server, Active Directory, and identity management.
• PowerShell scripting and automation experience.
• Experience managing Microsoft Intune and endpoint compliance solutions.
• Understanding of backup, disaster recovery, and business continuity principles.
• Experience supporting hybrid cloud environments, particularly Microsoft Azure.
• Knowledge of DNS, DHCP, VPN, and TCP/IP.
• Experience administering Windows and Linux environments.
• Knowledge of cybersecurity best practices, vulnerability management, and ISO 27001 controls.
• Ability to deliver complex infrastructure projects and technical improvements.
• Strong communication, documentation, and stakeholder management skills.
• Desirable experience with Fortinet technologies, Microsoft Defender XDR, Microsoft Sentinel, VMware vSphere, Hyper-V, or Veeam Backup & Replication.
• Desirable experience in a global, multi-site enterprise; Agile delivery; or manufacturing, industrial, or operational technology environments.

Responsibilities

• Implement and support resilient on-premises, cloud, and hybrid infrastructure.
• Administer Microsoft 365 services, including Exchange Online, Teams, SharePoint Online, OneDrive, and Entra ID.
• Manage Windows Server, Active Directory, Group Policy, and Linux systems.
• Administer endpoint management platforms, including Microsoft Intune and Windows Autopilot.
• Maintain enterprise networking, virtualization, backup, and disaster recovery solutions.
• Manage cybersecurity technologies, including Microsoft Defender, Fortinet solutions, and identity protection controls.
• Develop and maintain automation using PowerShell and other scripting tools.
• Monitor and optimize infrastructure performance, availability, and security.
• Maintain policies, standards, and controls aligned with ISO 27001 and industry best practices.
• Evaluate technologies and contribute to infrastructure roadmaps and continuous improvement.
• Lead infrastructure projects, system upgrades, migrations, and cloud adoption.
• Participate in the on-call rota for critical business services.

Skills

Certifications

Degrees

Work schedule

Travel

Industry

Relocation