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About the Role
GEM Technologies is seeking a Senior Systems & Infrastructure Engineer to tackle complex technical problems and take ownership through resolution. This hands-on role involves supporting multiple client environments with intricate infrastructure issues, incidents, escalations, migrations, and projects.
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, 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 or recommend changes that prevent recurring problems.
- Use PowerShell, scripting, automation and other tools where they can improve reliability and efficiency.
- Create and maintain clear technical documentation.
- Work directly with clients, vendors and other GEM engineers during projects and technical incidents.
- Provide occasional onsite support at client locations in the New York City metropolitan area.
Requirements
- Substantial hands-on experience supporting production IT infrastructure and personally resolving complex technical problems.
- Strong experience in Microsoft Infrastructure including Windows Server and Active Directory, Group Policy, DNS and DHCP, Microsoft 365 and Entra ID, Identity, MFA and Conditional Access.
- Strong experience in Virtualization and Core Infrastructure including VMware vSphere/ESXi and/or Microsoft Hyper-V, Server and storage infrastructure, Backup and disaster recovery.
- Strong experience in Networking and Security including Firewalls, VPNs, VLANs, routing and switching, Network and infrastructure troubleshooting, System hardening, EDR, MFA and related security technologies.
- Comfortable communicating directly with clients and explaining complex technical issues to both technical and nontechnical audiences.
- Experience working for an MSP, technology consulting firm or other multi-client environment is strongly preferred.
- Candidates from complex internal IT environments who can demonstrate comparable technical breadth, independence and ownership will also be considered.
- Meaningful hands-on experience in one or more of the following: Microsoft Exchange Server and hybrid Exchange environments, Citrix Virtual Apps and Desktops (CVAD), Citrix NetScaler / ADC, Advanced VMware infrastructure, Advanced networking and firewall troubleshooting, Veeam or similar backup and disaster recovery platforms, PowerShell scripting and automation, Infrastructure migrations and major upgrades.
- Strong, hands-on proficiency across most of these technologies, with deeper expertise in several areas.
- Broad technical capability, demonstrated troubleshooting depth, and the ability to work independently across multiple systems.
- Candidates must be legally authorized to work in the United States.
- GEM Technologies is not currently able to provide employment visa sponsorship.
Skills
- Windows Server
- Active Directory
- Group Policy
- DNS
- DHCP
- Microsoft 365
- Entra ID
- Identity management
- Authentication
- MFA
- Conditional Access
- VMware
- Hyper-V
- Firewalls
- VPNs
- VLANs
- Routing
- Switching
- Connectivity troubleshooting
- Backup systems
- Disaster recovery
- Business continuity systems
- PowerShell scripting
- Automation
- Technical documentation
- Microsoft Exchange Server
- Citrix Virtual Apps and Desktops (CVAD)
- Citrix NetScaler / ADC
- Veeam
Location
- New York Metropolitan Area
Work Type
- Primarily Remote
- Occasional Client-Site Work
- Full-Time
Experience Level
- Senior
Salary/Compensations
- $90,000-$120,000
Benefits
- Health insurance
- Paid time off
- Other employee benefits
About the Company
- GEM Technologies is a managed IT and cybersecurity services company supporting organizations with complex technology environments.
- We are a small, experienced team where senior engineers work across technologies, interact directly with clients, and have meaningful responsibility.
- We value engineers who are curious, continue learning, share knowledge, document their work and take ownership.
- We encourage the responsible use of AI, scripting and automation to improve troubleshooting, documentation and operational efficiency while maintaining appropriate security and protection of client information.