Senior Systems Engineer L3 – Azure & Proxmox
$2–8 / hour
Freelancer
Join a fast-growing Managed Security Service Provider (MSSP) as a Senior Systems Engineer (Level 3) supporting and leading the L1/L2 engineering team. You will be responsible for advanced system design, implementation, maintenance, troubleshooting, and escalations across on-prem, virtualized, and cloud environments, focusing on Microsoft Azure, Microsoft 365, Proxmox/Ceph, and automation using PowerShell/Python.
Responsibilities: Design and maintain environments, manage Proxmox clusters, serve as L3 escalation point, automate tasks, troubleshoot AD, DNS, DHCP, and manage infrastructure health.
Must-have skills: Strong experience as a Senior Systems Engineer, hands-on knowledge of Microsoft Azure, Microsoft 365, Proxmox, Ceph, and scripting skills. Excellent English communication is essential.
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