Senior IT Systems Engineer - Windows & Hybrid Infra

ZT Systems

Secaucus (NJ)

On-site

USD 125,000 - 183,000

Full time

14 days+

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Benefits offered by this job

Bonus eligibility

401(k) retirement savings plan

Tuition reimbursement

Paid time off

Job summary

ZT Systems is seeking a Sr. Staff IT Systems Engineer to design, deploy, and manage our on‑premise infrastructure across a global environment. You will lead initiatives, automate tasks, and collaborate with information security while ensuring high availability and compliance.

You will mentor junior engineers, document architectures, and drive improvements in data center and virtualization platforms. A strong background in AD, DNS/DHCP, MFA, and VMware is essential for success.

Qualifications

Bachelor’s degree in Computer Science or equivalent work experience.
8+ years of Windows systems administration in a global environment.
Deep expertise in Active Directory/Entra ID and ADSI.
Advanced knowledge of DNS/DHCP/GPO.
Experience with hybrid environments and cloud platforms.

Responsibilities

Architect, deploy, and maintain scalable Windows servers and AD, virtualization, storage, and other infrastructure components.
Collaborate with information security to implement best practices, manage patches, and ensure compliance.
Lead or contribute to infrastructure projects and initiatives.
Implement automation for systems administration tasks.
Monitor performance and drive improvements; collaborate with vendors and consultants.
Ensure compliance requirements and secure design principles.
Provide third‑tier support and participate in on‑call rotation.
Create and maintain documentation of systems and issues.
Stay current with emerging technologies; mentor junior engineers.