Senior Systems & Infrastructure Engineer
Core
Senior engineer responsible for investigating, troubleshooting, and resolving complex production infrastructure incidents and escalations across multi-client environments.
Role type
Senior hands-on IC Systems & Infrastructure Engineer
Builds
Production IT infrastructure stability, security, and reliability for diverse client environments
Domain
Managed IT services, Enterprise Infrastructure, Cybersecurity
Deliverable
Production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Windows Server administration, Active Directory management, Group Policy configuration, DNS and DHCP troubleshooting, Microsoft 365 and Entra ID support, Identity and access management, MFA and Conditional Access implementation, VMware vSphere/ESXi administration, Hyper-V management, Server and storage infrastructure support, Backup and disaster recovery planning, Network troubleshooting (firewalls, VPNs, VLANs, routing, switching), System hardening, PowerShell scripting and automation, Root cause analysis, Technical documentation
Preferred skills
Microsoft Exchange Server administration, Citrix Virtual Apps and Desktops (CVAD), Citrix NetScaler / ADC, Advanced VMware infrastructure, Advanced networking and firewall troubleshooting, Veeam backup platforms, Infrastructure migrations and major upgrades
Technologies
Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Entra ID, VMware vSphere, ESXi, Hyper-V, PowerShell, Veeam, Citrix, NetScaler, Firewalls, VPNs
Responsibilities
Own the 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 and authentication, 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 or recommend changes that prevent recurring problems, Provide occasional onsite support at client locations in the New York City metropolitan area
Seniority
Senior, hands-on IC