Windows Linux Systems Operations Engineer (Chicago)

***We are unable to sponsor for this permanent full-time role***

***Position is Bonus eligible***

Prestigious Global Firm is currently seeking a Windows and Linux Systems Engineer with strong Azure and PowerShell scripting experience. Candidate will focus on day-to-day server operations, proactive security remediation, cloud infrastructure optimization, and driving successful delivery of enterprise-scale projects. With your expertise in virtualization, system administration, and cloud services, you ll help ensure system availability, strengthen security posture, and scale infrastructure to meet evolving business needs. Participation in an on-call rotation and response to after-hours emergencies as required

Responsibilities:

Server Operations & Support Provide advanced administration and Level 2 support for global Windows and Linux environments; manage hypervisors including VMware vSphere, Nutanix Acropolis, and Hyper-V.

Identity & Directory Services Administer and maintain Active Directory, DNS, DHCP, GPOs, and Certificate Services to ensure secure, reliable access and identity management.

Monitoring & Automation Use tools such as SCOM, Zabbix, SCCM, and Ansible Tower to monitor performance, resolve alerts, and automate configuration and deployment.

Cloud Infrastructure Engineer, operate, and optimize Microsoft Azure environments including Virtual Machines, Entra AD Connect, RBAC roles, DNS, Azure Backup, and Site Recovery; support Landing Zone design and scalability.

Security & Compliance Remediate vulnerabilities, apply patches, and implement configuration updates; work closely with security teams to ensure compliance with corporate and regulatory standards.

Project Delivery Contribute to provisioning, migrations, upgrades, and disaster recovery planning; collaborate with internal teams and vendors to deliver solutions that balance efficiency and stability.

Documentation & Knowledge Sharing Maintain accurate operational procedures, system documentation, and reports to support continuity and stakeholder transparency.

Qualifications:

Education Bachelor s degree in Computer Science, Information Technology, or equivalent work experience.

Experience 5 7 years of progressive IT infrastructure experience, with at least 3+ years supporting large-scale Windows and virtualization environments.

Virtualization Expertise Hands-on experience with VMware vSphere/ESXi, Nutanix Acropolis, and Hyper-V.

System Administration Skills Proficiency with Windows Server (2016 2025) and Linux distributions such as RHEL and Ubuntu.

Cloud Knowledge Strong background in Microsoft Azure (IaaS, Entra AD Connect, RBAC, ASR, Backup); Oracle Cloud Infrastructure familiarity a plus.

Directory & Identity Management Skilled in Active Directory, DNS, DHCP, GPOs, and Certificate Services.

Monitoring & Configuration Tools Experience with SCOM, Zabbix, SCCM, and Ansible Tower.

Security & Scripting Strong understanding of vulnerability remediation, patch management, and compliance best practices; advanced proficiency in PowerShell scripting.