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268 systems administrator jobs at 179 companies in Wisconsin

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Systems Administrator
Windsor, Wisconsin, United States
OnsiteFull Time
Bell Laboratories
Bell Laboratories: The World Leader In Rodent Control Technology
4+ YOEAssociate degree in IT, computer science, networking, or related field required; bachelor's preferred. Requires 4+ years in systems or cloud administration, infrastructure support, and Microsoft technologies.
Microsoft 365, Microsoft Exchange Online, Microsoft Entra ID, Microsoft Teams, Microsoft SharePoint Online, Microsoft OneDrive, VMware, Microsoft Intune, Windows Server, Multi-factor authentication (MFA)
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Systems Administrator
Appleton, Wisconsin, United States
$52k-$64k/yr OnsiteFull Time
The Boldt Company
The Boldt Company: Employee-owned construction services and real estate development firm.
3+ YOEAssociate's degree or equivalent experience, 3–5 years of enterprise systems administration, Microsoft environment expertise, Azure, virtualization, Intune, troubleshooting, and stakeholder communication skills.
Azure, Microsoft 365, VMware, Nutanix, Citrix, Microsoft Exchange, Microsoft Entra ID, Microsoft Intune, Linux, SQL, Azure Virtual Desktop (AVD), BeyondTrust PAM, PasswordSafe, Azure Storage, Nasuni
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IT Systems Administrator
Delafield, Wisconsin, United States
OnsiteFull Time
Tanis Brush
Tanis Brush: Privately held industrial and abrasive brush manufacturer serving businesses with custom-engineered and stock brush solutions.
3+ YOERequires 3–6 years in systems administration or IT operations, Microsoft 365 and Active Directory experience, Windows Server, virtualization, networking, endpoint, security, and backup expertise.
Microsoft 365, Active Directory, Windows Server, Hyper-V, Global Shop Solutions ERP, UPS WorldShip, FedEx Ship Manager, Veeam, Microsoft Outlook, Mersive Solstice, Zebra label printers, VMware, Epicor, Infor, Made2Manage, Microsoft, CompTIA Network+, CompTIA Security+, HSA, EAP
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Senior Systems Administrator
Alabama or Florida or Georgia or Iowa or Kentucky or Nebraska or North Carolina or Tennessee or Texas or Wisconsin or Wyoming or Atlanta
RemoteFull Time
CorServ
CorServ: Privately held payment card issuer helping banks and fintechs launch and manage card programs.
5+ YOERequires 5+ years in systems administration or IT infrastructure, strong PowerShell/Python/Bash scripting, backup and disaster recovery expertise, automation, SQL Server, cloud environments, and troubleshooting skills.
PowerShell, Python, Bash, SQL Server, AWS, Azure, GCP
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4w
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Systems Administrator
Glendale, Wisconsin, United States
$55k-$90k/yr HybridFull Time
River Run Computers
River Run Computers: Private Wisconsin managed IT services provider delivering cybersecurity, cloud, help-desk, and technology support to businesses.
3+ YOEWindows desktop/server administration, TCP/IP, DNS, routing, AD/Exchange, backup/patch/antithreat, 3+ years Microsoft network experience or associate degree, ability to lift equipment, valid car and insurance, Network+ and Windows Server competency.
Windows Server, Windows Desktop, TCP/IP, DNS, Routing, Firewalls, Backup, Patch Management, Active Directory, Microsoft Exchange
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Systems Administrator
Mequon, Wisconsin, United States
$70k-$80k/yr OnsiteFull Time
ISCorp
ISCorp: Minority-owned managed private cloud provider serving software companies and regulated-industry organizations with secure application delivery.
3+ YOE3+ years administering Windows-based systems; proficiency with Active Directory, Group Policy, Microsoft SQL Server, virtualization, scripting (PowerShell/VBScript); strong troubleshooting and documentation skills.
Windows Server, Active Directory, Group Policy, Microsoft SQL Server, VMware, Citrix, Remote Desktop Services, IIS, Tomcat, PowerShell, VBScript, HyperV, Azure, AWS, Google Cloud, Progress, MySQL, Oracle
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2mo
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Systems Administrator
Amherst or Boston or Madison
$50k-$90k/yr OnsiteFull Time
Frontier Science Research Foundation
Frontier Science Research Foundation: Nonprofit clinical research organization providing data management, biostatistics, and technical services to research networks, pharma, and academics.
Install, maintain, and secure servers, network devices, and end-user systems; monitor performance; perform backups and disaster recovery; support cloud services (GCP/Workspace); travel to data centers.
Windows, Linux, Google Cloud Platform (GCP), Google Workspace, Gmail, Drive, Okta, Active Directory
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Systems Administrator
Green Bay, Wisconsin, United States
OnsiteFull Time
Green Bay Packaging
Green Bay Packaging: Vertically integrated manufacturer of sustainable packaging and paper products.
2+ YOEManage and maintain information systems and infrastructure, implement security solutions, troubleshoot network/hardware/software issues, support users, and administer Microsoft Office/Office 365. Degree or 2 years' related experience required.
Microsoft Office, Microsoft Office 365
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Associate Systems Administrator
Elmwood, Wisconsin, United States
OnsiteFull Time
Mark Anderson Companies
Mark Anderson Companies: Private Wisconsin animal-health manufacturer and supplier serving veterinarians, animal caregivers, and livestock producers.
Associate degree or equivalent experience in computer science, experience in IT support/systems administration, Windows and Microsoft 365 familiarity, Entra ID/Azure AD and Intune exposure, network basics (DNS/DHCP/VPN), and ability to lift up to 20 lbs.
Microsoft 365, Exchange Online, Microsoft Teams, SharePoint, OneDrive, Entra ID (Azure AD), Microsoft Intune, Microsoft Endpoint Manager, Windows, Azure, DNS, DHCP, VPN
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2w
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IT Systems Administrator
Pewaukee, Wisconsin, United States
$85k-$95k/yr OnsiteFull Time
Bevara Building Services
Bevara Building Services: Private facilities maintenance platform providing interior and exterior services to commercial properties across the U.S. and Canada.
3+ YOERequires 3+ years in IT support or systems administration, Windows 11 and Microsoft 365 expertise, Active Directory, Exchange, MDM, networking, cybersecurity, troubleshooting, and service desk experience.
Windows 11, Microsoft 365, iPhone, Active Directory, Exchange, Mobile Device Management (MDM), Microsoft 365 Fundamentals, VPN, firewalls, antivirus, endpoint security, service desk tools
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Systems Administrator
Stevens Point, Wisconsin, United States
HybridFull Time
Ki Mobility
Ki Mobility: Privately owned manufacturer of complex-rehab manual wheelchairs and seating solutions for people with disabilities.
3+ YOEManage servers, hypervisors, backup/DR, M365 (Entra, Intune, Exchange, SharePoint, Copilot), networking, and provide Tier 2 support; 3+ years relevant IT experience; bachelor\u0002s in Computer Science or 4+ years experience.
Windows Server, Microsoft Suite, Entra, Intune, Exchange, Sharepoint, Copilot, Microsoft 365
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Operations Systems Administrator
Antigo or Neenah or De Pere
OnsiteFull Time
CoVantage Credit Union
CoVantage Credit Union: Member-owned credit union providing personal and business banking, lending, and financial services across Michigan, Wisconsin, and Illinois.
3+ YOE3–5 years IT operations or systems administration experience; experience with batch/job scheduling (OpCon), SFTP integrations, enterprise apps, and service desk support; bachelor’s/associate’s degree or equivalent experience.
OpCon, SFTP
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Software Systems Administrator
Waukesha, Wisconsin, United States
OnsiteFull Time
Generac
GeneracNYSE: GNRC: Manufacturer of backup power generation and energy technology solutions.
5+ YOE5+ years software administration experience, led large system migrations, managed multiple platforms; bachelor’s in CS/IS/Engineering or equivalent; proficiency in Visual Studio and multiple programming languages; strong collaboration and communication.
Visual Studio, Python, C#, C++, Java, Go, Rust, QA Trax, LabView, Nation Instruments, SQL, Git, GitHub, GitHub Co-Pilot, Claude Code
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3w
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OT SYSTEMS ADMINISTRATOR (Systems and Network Engineer)
Neenah, Wisconsin, United States
OnsiteFull Time
Galloway Company
Galloway Company: Family-owned dairy ingredient manufacturer serving food and beverage businesses with milk products, dessert mixes, and beverage bases.
5+ YOE5+ years systems administration experience in OT/industrial environments; Foxboro experience preferred; strong OT networking, cybersecurity, VMware/Hyper-V and Windows Server skills; familiarity with Purdue/ISA-95 and industrial protocols.
Foxboro, System Auditor, VMware, Hyper-V, Windows Server, NIST, IEC 62443, EtherNet/IP, Profinet, Modbus, OPC-UA, ISA-95, Purdue Model
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Systems Administrator I
Onalaska or Waterloo
OnsiteFull Time
Locknet Managed IT
Locknet Managed IT: Family- and woman-owned Midwest business technology provider serving businesses with managed IT, print, document management, and scanning.
2+ YOECollege diploma or 2 years IT experience, support Microsoft desktop/server OS and Office, troubleshoot hardware/software, use diagnostic and ticketing tools, strong customer service and communication, participate in on-call rotation.
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Systems Administrator I
Onalaska or Waterloo
OnsiteFull Time
Locknet Managed IT
Locknet Managed IT: A managed security and IT partner serving regulated and high-stakes organizations with proactive IT, cybersecurity, and cloud services.
2+ YOEProvide first-level IT support, troubleshoot hardware/software, support Microsoft desktop/server and Office, use diagnostic/help-desk tools, and participate in on-call rotation; college diploma or 2 years equivalent experience preferred.
Microsoft Office
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Administrator, Application Systems
Oshkosh, Wisconsin, United States
OnsiteFull Time
Hoffmaster Group
Hoffmaster Group: U.S. manufacturer of single-use tableware and baking products for foodservice operators, retailers, and consumers.
5+ YOE5+ years of related experience administering IBM i Power Systems and enterprise applications; experience with HMC, BRMS, and QEDD; SQL scripting and database querying skills. IT or computer science degree preferred.
IBM i, Power Systems, Infor OS, Infor LX, HMC, BRMS, QEDD, SQL
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3w
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Warehouse Systems Administrator (2nd Shift)
Milwaukee, Wisconsin, United States
$27-$29/hr OnsiteFull Time
Palermo Villa, Inc.
Palermo Villa, Inc.: Family-owned frozen pizza manufacturer serving grocery retailers and private-label customers through branded and contract-manufactured products.
Experience supporting Oracle Fusion and warehouse management systems (WMS), ensuring data accuracy, order processing, system troubleshooting, and cross-team collaboration.
Oracle Fusion, WMS
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Systems Administrator Internship - Summer 2027
Pleasant Prairie, Wisconsin, United States
OnsiteInternship, Part Time
Uline
Uline: North America's leading distributor of shipping and packaging materials.
Junior-status college student pursuing a bachelor's degree in computer science, information systems, or a related field; strong communication, writing, and problem-solving skills; interest in enterprise IT.
Microsoft 365, Exchange Online, Copilot, Power Platform
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2w
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Systems Administrator Internship - Summer 2027
Pleasant Prairie or Milwaukee or Waukegan or Glenview or Kenosha
OnsiteInternship, Full Time
Uline
Uline: North America's leading distributor of shipping and packaging materials.
Full-time 12-week internship for junior college students pursuing a bachelor's degree in computer science, information systems, or a related field, with interest in Microsoft enterprise tools.
Microsoft 365, Exchange Online, Copilot, Power Platform
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