Senior Systems & Infrastructure Engineer
Core
Senior engineer responsible for investigating, troubleshooting, and resolving complex production infrastructure incidents, escalations, and migrations across multi-client environments.
Role type
Senior Systems & Infrastructure Engineer (IC)
Builds
Production IT infrastructure stability, disaster recovery, and modernization projects for diverse client environments.
Domain
Managed IT services, cybersecurity, enterprise infrastructure
Required skills
Windows Server administration, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Entra ID, VMware vSphere, Hyper-V, networking (firewalls, VPNs, VLANs, routing, switching), backup and disaster recovery, PowerShell scripting, root-cause analysis, technical documentation
Preferred skills
Microsoft Exchange Server, Citrix Virtual Apps and Desktops, Citrix NetScaler, advanced VMware infrastructure, advanced networking troubleshooting, Veeam
Technologies
Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Entra ID, VMware vSphere, Hyper-V, Citrix, Veeam, PowerShell, firewalls, VPNs
Responsibilities
Own investigation and resolution of complex infrastructure incidents and escalations; Administer and troubleshoot Windows Server, Active Directory, Group Policy, DNS, and DHCP; Support Microsoft 365 and Entra ID environments including identity, authentication, MFA, and Conditional Access; Troubleshoot and support virtualization environments using VMware and/or Hyper-V; Diagnose networking issues involving firewalls, VPNs, VLANs, routing, switching, and connectivity; Support backup, disaster recovery, and business continuity systems; Plan and execute infrastructure migrations, upgrades, and modernization projects; Perform root-cause analysis and implement changes to prevent recurring problems; Provide occasional onsite support at client locations in the New York City metropolitan area.
Seniority
Senior, hands-on IC
