Systems Administrator

Description We are looking for a Systems Administrator to support and strengthen a distributed infrastructure environment in Wisconsin. This contract position with permanent potential focuses on keeping network, server, and telephony systems stable, secure, and responsive while delivering high-level technical support to internal users. The role will contribute to day-to-day operations across multiple sites and help improve reliability, protection, and overall system performance.

Responsibilities:

• Oversee the health and performance of network and telecommunications systems across multiple locations, addressing issues before they disrupt operations.

• Investigate and resolve advanced connectivity and infrastructure problems, working with external service providers and hardware vendors when repairs or replacements are needed.

• Administer Meraki MX appliances, including secure site-to-site connectivity, to maintain dependable communication between locations.

• Provide Tier 3 technical support for complex IT, systems, and telephony incidents while meeting established service expectations.

• Install, configure, patch, and upgrade server, network, and end-user hardware and software as part of ongoing infrastructure support.

• Manage user access and permissions across core systems to help protect company resources and enforce authorized usage.

• Monitor backup processes and recovery readiness to support data protection and business continuity objectives.

• Maintain accurate support records, technical documentation, and ticket updates within the help desk platform.

• Identify opportunities to improve infrastructure security, resilience, and operational efficiency, and recommend practical enhancements.

• Support administration of internal platforms and services, including licensing oversight and changes related to core infrastructure environments. Requirements • 3+ years of experience in systems administration or infrastructure support roles.

• Hands-on experience administering Windows Server environments, Active Directory, and Group Policy.

• Working knowledge of Microsoft 365, Azure AD, and Azure AD Connect, including user and license administration.

• Experience with PowerShell scripting to automate routine administrative and support tasks.

• Background supporting Hyper-V, clustered environments, and server infrastructure in production settings.

• Familiarity with Cisco and Meraki networking technologies, including routers, switches, firewalls, VLANs, and TCP/IP troubleshooting.

• Understanding of backup, disaster recovery, DNS, DHCP, SAN storage, multifactor authentication, and secure access controls.

• Ability to support and troubleshoot telephony and network-related issues in a multi-site business environment. 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 roberthalf.gobenefits.net for more information.

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