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# Systems Administrator

- **Company:** Robert Half
- **Location:** Pleasant Prairie, WI, United States
- **Experience:** Experienced
- **Contract:** Temporary contract
- **Skills:** Microsoft Windows, Active Directory, Backup Devices, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Multi-Factor Authentication, Hyper-V, Windows Servers, Windows PowerShell, Azure Active Directory, Virtual Local Area Networks, Network Routers, Computer Network Technologies, Firewalls (Computer Science), 3-tier Architectures, Cisco
- **Published:** July 30, 2026
- **Apply:** https://dejobs.org/x/x/EE875C92060F40A6BCCB9864EDD75B46/job/

## About the Role

* 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.®

## Description

* 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.


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