Senior L3 Systems Engineer – Windows/VMware/Linux

TechDigital Group; Jersey City (NJ); On-site; USD 90,000 - 130,000; Full time

Job summary

TechDigital Group in Jersey City seeks an L3 Support Engineer to provide high-level technical support across Windows, VMware, and Linux environments. The role emphasizes incident handling, root-cause analysis, patch management and collaboration with cross-functional teams to ensure reliable IT operations.

The successful candidate will participate in on-call rotations, mentor junior staff, and drive ITIL-aligned processes and security remediation.

Qualifications

• Advanced knowledge of Windows, VMware, and Linux environments.
• Proficient with Puppet and WSUS for patching.
• Familiar with VMware ESXi 7, vSAN, and vSphere features.
• Experience managing HPE GreenLake hardware.
• Understanding vulnerability management frameworks and CVSS.
• ITIL processes for incident, change and problem management.
• Certs preferred: VCP, RHCE, AZ-104, ITIL Foundation.

Responsibilities

• System Administration: Manage Windows Server, VMware ESXi/vCenter, and Linux servers.
• Patch Management: automate with Puppet; patch via WSUS; ensure compliance.
• Hardware & Infrastructure: monitor GreenLake hardware; firmware updates.
• Vulnerability Management: assess and remediate using Nessus/Qualys.
• ITIL Alignment: incident, problem, and change management; keep docs updated.
• Collaboration: communicate with cross-functional teams; mentor juniors.

Skills

Windows Server

VMware ESXi / vCenter

Linux (RHEL/Ubuntu/CentOS)

Patch management

Vulnerability remediation

ITIL processes

Communication skills

On-call support

Troubleshooting veteran

Tools

Puppet

WSUS

Nessus/Qualys

HPE GreenLake

Job description

TechDigital Group in Jersey City seeks an L3 Support Engineer to provide high-level technical support across Windows, VMware, and Linux environments. The role emphasizes incident handling, root-cause analysis, patch management and collaboration with cross-functional teams to ensure reliable IT operations.

The successful candidate will participate in on-call rotations, mentor junior staff, and drive ITIL-aligned processes and security remediation.