Description We are looking for an experienced Systems Engineer to support enterprise infrastructure initiatives in Deer Park, Illinois. This Long-term Contract opportunity is ideal for a detail-oriented candidate who can manage large Windows-based environments, maintain reliable system performance, and contribute to data center operations in a complex setting. The role requires strong technical depth across server administration, identity services, virtualization, and core infrastructure platforms.

Responsibilities:

• Lead large-scale Windows server migration efforts, including transitions from VMware environments to Hyper-V across extensive server estates.
• Administer and maintain Windows Server platforms, Active Directory services, Azure Active Directory, Group Policy, and related enterprise system configurations.
• Support deployment, installation, and expansion activities within the data center while helping ensure stable operations and limited service interruption.
• Manage and troubleshoot enterprise server hardware, Cisco-based infrastructure components, and Pure Storage solutions within production environments.
• Coordinate system cutovers, infrastructure changes, and implementation tasks in partnership with technical teams and project stakeholders.
• Investigate and resolve complex system issues by applying structured troubleshooting methods across server, virtualization, and infrastructure layers.
• Create and maintain clear technical documentation covering environment configurations, procedures, and project-related updates.
• Provide operational support for core Microsoft technologies, including Exchange and Citrix-related environments, as needed within the broader infrastructure landscape. Requirements
• Demonstrated experience supporting large-scale Windows server environments, ideally including migrations involving more than 400 servers.
• Strong expertise in Microsoft Windows Server administration and enterprise identity management with Active Directory and Azure Active Directory.
• Hands-on knowledge of virtualization platforms, including VMware and Hyper-V, in complex production settings.
• Experience working with Group Policy, Microsoft Exchange, and Citrix technologies in an enterprise environment.
• Familiarity with Cisco server infrastructure, Pure Storage platforms, and modern data center operations.
• Proven ability to execute server deployments, hardware installations, and infrastructure cutovers with minimal downtime.
• Solid troubleshooting, documentation, and cross-functional project coordination skills.
• Ability to work effectively in a fast-paced enterprise environment while managing multiple infrastructure priorities.

Technology Doesn't Change the World, People Do.® Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more. Our specialized recruiting professionals apply their expertise and utilize our proprietary AI to find you great job matches faster. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) .