Systems Engineer

About the role

We are looking for a Systems Engineer to join the Core IT Systems & Infrastructure team, supporting a geographically distributed organisation across Malta, Greece, London, and the US. In this role you will own and operate core enterprise infrastructure, working across on‑prem, cloud, and SaaS platforms while driving reliability, security, automation, and continuous improvement.

Key responsibilities

• Lead Microsoft 365 administration (app registration, Teams, Defender suite, Purview, etc.) including automation with PowerShell, monitoring, troubleshooting, tenant administration and migration activities.
• Own, manage and improve corporate IT infrastructure, covering Microsoft Entra, Azure, Windows Active Directory, virtualisation, security, IaaS, SaaS, SSO integration and cloud application management.
• Act as a senior escalation point (2nd/3rd line) for complex infrastructure and identity‑related incidents.
• Design, document and continuously improve systems to increase security, resilience and operational efficiency.
• Proactively monitor infrastructure health and address risks before service impact.
• Support audit and compliance activities, driving remediation and control improvements.
• Research, evaluate and help introduce new infrastructure and platform technologies.
• Participate in architecture and tooling decisions for infrastructure‑related initiatives.

Required profile

• Strong hands‑on experience managing Microsoft 365, Entra, Azure, identity, conditional access, licensing and tenant‑level configuration in mid‑to‑large environments.
• Proven experience operating and supporting corporate IT infrastructure at scale (1,000+ users).
• Experience working with Jira and Splunk.
• Strong PowerShell scripting skills focused on automation and operational efficiency.
• Solid understanding of identity and access management concepts, including SSO, IAM and conditional access.
• Hands‑on experience deploying and managing workloads across AWS and Azure, including IaaS, PaaS and identity integration.
• Practical Linux administration experience (RedHat/CentOS) and exposure to web services such as Nginx.
• Experience using AI tools (Claude, Copilot) to enhance productivity, automation and documentation.

Required skills

• Microsoft 365
• Microsoft Entra
• Azure
• Windows Active Directory
• PowerShell
• Jira
• Splunk
• Identity and Access Management (IAM)
• Conditional Access
• Single Sign‑On (SSO)
• AWS
• Google Cloud Platform (GCP)
• Linux (RedHat/CentOS)
• Nginx
• AI tools (Claude, Copilot)