SUMMARY The Senior Systems Engineer is a senior technical contributor responsible for advanced server and systems implementation, troubleshooting, and escalation support across a diverse client base within a remote MSP environment. This role handles complex infrastructure incidents escalated from Tier 1, drives proactive improvements, and serves as a subject matter expert for Windows and Linux server administration, virtualization, identity, storage, backup, and cloud platforms. The engineer works closely with clients and internal teams to deliver high-quality, reliable managed services, and is expected to use AI tools to work faster and raise the quality of their work. JOB RESPONSIBILITIES Build, configure, and administer Windows Server (2016, 2019, 2022, 2025) and Linux servers (RHEL, CentOS, Ubuntu) across multiple client environments. Administer and troubleshoot Microsoft Active Directory, Group Policy, DNS, DHCP, ADFS, and Remote Desktop Services, including forest and domain archi...