Systems Administrator

Description We are looking for an experienced Systems Administrator to support and maintain core IT infrastructure in Houston, Texas. This Long-term Contract position focuses on ensuring reliable performance across server, desktop, and virtualized environments while delivering strong operational support to end users. The ideal candidate will bring hands-on expertise with Microsoft technologies, directory services, and enterprise hardware platforms. Success in this role requires a proactive approach to troubleshooting, system stability, and ongoing environment optimization.

Responsibilities:

- Manage and support Active Directory services, including user accounts, group policies, permissions, and access controls.

- Administer Microsoft Windows Server environments to maintain availability, performance, and security across business systems.

- Provide technical support for Windows 10 workstations, resolving issues related to software, hardware, and user access.

- Maintain and troubleshoot Dell infrastructure and endpoint hardware to ensure dependable day-to-day operations.

- Support Citrix environments by monitoring session performance, addressing connectivity issues, and assisting with application access.

- Perform system updates, patching, and routine maintenance activities to keep infrastructure current and secure.

- Investigate technical incidents, identify root causes, and implement effective solutions to minimize downtime.

- Document system configurations, support procedures, and operational changes to improve consistency and knowledge sharing. Requirements - Hands-on experience administering Active Directory in an enterprise environment.

- Strong working knowledge of Microsoft Windows Server administration and support.

- Proven experience supporting and troubleshooting Microsoft Windows 10 systems.

- Familiarity with Dell Technologies hardware, including deployment, maintenance, and issue resolution.

- Experience working with Citrix technologies in a business or enterprise setting.

- Ability to diagnose infrastructure and end-user technical problems efficiently and accurately.

- Strong organizational, communication, and documentation skills for day-to-day operational support. 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.

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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  for more information.

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