Senior System Administrator
Core
Senior Systems Administrator managing Linux servers, Microsoft 365, cloud infrastructure, and security for a deep-tech company in Space and Defence.
Role type
Senior Systems Administrator
Builds
Scalable and reliable IT practices, infrastructure, and security controls for corporate and engineering environments.
Domain
Deep-tech (Space, Defence, Commercial)
Deliverable
production ML models | infrastructure
Required skills
Linux administration, Microsoft 365/Entra ID management, cloud infrastructure support, identity and access management, endpoint administration, technical troubleshooting, vendor coordination, system documentation, cyber security controls, process automation.
Preferred skills
Experience in engineering/product development environments, Defence/Space/security-sensitive environments, IT/Computer Science degree, Microsoft/Linux/cloud/cyber security certifications, IT service-management certifications.
Responsibilities
Administer and maintain Linux-based servers and services; Manage Microsoft 365 services (Entra ID, Exchange, SharePoint, Teams, Intune, Defender); Support on-premises and cloud-hosted infrastructure; Manage user identities, permissions, and access controls; Troubleshoot systems, applications, and end-user issues; Support backup, recovery, patching, and lifecycle management; Coordinate IT activities with external MSPs and vendors; Support software deployment, licensing, and asset management; Maintain system documentation and security controls; Identify opportunities to automate and improve IT systems.
Seniority
Senior, hands-on IC
