Workstation Systems Engineer III

Endpoint Infrastructure Engineer – Virtualization & Endpoint Management

Location: New York 
Work Arrangement: Hybrid – 3 days onsite per week

Position Overview

We are seeking a highly experiencedEndpoint Infrastructure Engineer to join the User Infrastructure team supporting a large-scale enterprise environment in the Tri-State area.

This position is ideal for a senior infrastructure professional with strong expertise inMicrosoft Windows, MECM/SCCM, VMware/Omnissa Horizon, Citrix, and PowerShell. The Engineer will be responsible for supporting virtualization and workstation infrastructure, performing security remediation and patch management, developing automation, and serving as a senior technical escalation point.

The successful candidate will be comfortable working independently as well as collaboratively with infrastructure, security, and support teams. Strong communication, problem-solving, and technical documentation skills are essential.

Key Responsibilities

Virtualization Infrastructure

• Provide operational support and security remediation forCitrix XenApp environments.

• Support and maintainVMware/Omnissa Horizon VDI infrastructure.

• Troubleshoot and resolve issues affecting virtual desktop environments.

• Support theOmnissa/Horizon imaging process, including image maintenance and deployment.

• Partner with infrastructure and support teams on virtualization-related projects and improvements.

Workstation & Endpoint Infrastructure

• Serve as a subject matter expert forWindows 10/11 workstation infrastructure.

• Manage Windows workstation security remediation and patching usingMECM/SCCM and related technologies.

• Research, test, and deploy security updates and software packages.

• Identify and remediate software and hardwareEnd-of-Life (EOL) issues.

• Perform patch management and vulnerability remediation across physical workstations and virtual desktops.

• Develop, maintain, and deployActive Directory Group Policy Objects (GPOs).

• Troubleshoot complex endpoint infrastructure issues and serve as a point of escalation for IT Support.

• Develop automation to streamline repetitive administrative tasks usingPowerShell, VMware PowerCLI, Excel/Power Query, and batch scripting.

Security, Compliance & Lifecycle Management

• Collaborate with Security and Infrastructure teams to identify, prioritize, and remediate vulnerabilities.

• Support endpoint security and compliance initiatives.

• Research emerging security risks and recommend appropriate remediation strategies.

• Research and remediate EOL hardware and software to reduce operational and security risks.

• Support IT audit activities by compiling and maintaining accurate technical documentation and evidence.

Collaboration & Documentation

• Work closely with Infrastructure, Security, IT Support, and other technology teams.

• Independently manage assigned projects and technical initiatives from planning through completion.

• Provide clear status updates to technical and non-technical stakeholders.

• Create and maintain high-quality technical documentation, procedures, and support materials.

• Translate complex technical issues into clear, understandable explanations for business stakeholders.

Required Qualifications

• 10+ years of experience in enterprise infrastructure engineering or systems administration.

• Strong experience supportingon-premises and hybrid IT environments.

• Advanced knowledge ofWindows 10/11 workstation operating systems.

• Strong hands-on experience withMicrosoft MECM/SCCM.

• StrongPowerShell scripting and automation experience.

• Significant experience withVMware and/or Omnissa Horizon environments.

• Experience supportingCitrix XenApp or related Citrix technologies.

• Experience with endpoint patching, vulnerability remediation, and security hardening.

• Strong knowledge ofActive Directory and Group Policy.

• Experience with software deployment and endpoint lifecycle management.

• Strong troubleshooting and problem-solving skills.

• Excellent written and verbal communication skills.

Preferred Technical Skills

• VMware vSphere / ESXi / vCenter

• Omnissa Horizon

• Omnissa/Horizon imaging and desktop pools

• Citrix XenApp

• Microsoft MECM/SCCM

• PowerShell

• VMware PowerCLI

• Active Directory / Group Policy

• Windows 10/11 security and patch management

• Vulnerability and security remediation

• Excel / Power Query

• Batch scripting

• Enterprise endpoint management

Ideal Candidate

The ideal candidate is asenior infrastructure engineer who can hit the ground running in a complex enterprise environment. You should be comfortable taking ownership of technical issues, working across multiple teams, managing competing priorities, and communicating effectively with both technical and business stakeholders.

Experience infinancial services or another highly regulated enterprise environment is strongly preferred.

Why This Role?

This is an opportunity to play a key role in the stability, security, and modernization of enterprise endpoint and virtualization infrastructure. The Engineer will have significant responsibility acrossWindows, VMware/Omnissa Horizon, Citrix, MECM/SCCM, automation, patch management, and security remediation.

Candidates with a strong background in Omnissa/VMware, PowerShell, and Citrix are strongly encouraged to apply.