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4 results for Systems Administrator in Waukesha, WI
- Milwaukee, WI
- onsite
- Permanent / Full Time
- 70000 - 80000 USD / Yearly
- <p>Robert Half is partnering with a well-established technology organization in the Milwaukee area to help them hire an experienced Systems Administrator. This role is responsible for maintaining server, virtualization, identity, database, and application-hosting technologies while helping ensure systems remain secure, reliable, and available for both internal teams and external customers.</p><p><br></p><p>This is a hands-on position for someone who enjoys troubleshooting, automation, infrastructure improvement, and working across a broad range of technologies.</p><p><br></p><p>What You'll Be Doing</p><ul><li>Administer and support Windows Server environments across production and non-production systems</li><li>Manage Active Directory, Group Policy, user access, and identity-related services</li><li>Support Microsoft SQL Server environments, including maintenance, backups, and recovery processes</li><li>Configure and maintain virtualization platforms such as VMware, Citrix, and Remote Desktop Services</li><li>Support web and application hosting technologies including IIS, Tomcat, and related services</li><li>Monitor system performance, availability, and security while proactively addressing issues</li><li>Develop and maintain automation and scripting solutions using PowerShell and other tools</li><li>Troubleshoot infrastructure, application, and network-related problems</li><li>Create and maintain technical documentation, procedures, and system configurations</li><li>Participate in an on-call rotation and assist with incident response when needed</li></ul><p><br></p>
- 2026-10-20T00:00:00Z
- Milwaukee, WI
- onsite
- Permanent / Full Time
- 110000 - 140000 USD / Yearly
- <p>Robert Half is seeking a Senior Systems Administrator to support and maintain a complex mix of Linux, Windows, virtualization, cloud, and application environments. This role is ideal for someone who enjoys working across a broad technology stack, solving challenging infrastructure issues, and partnering directly with both internal stakeholders and external customers.</p><p><br></p><p>You'll play a key role in system administration, automation, application support, security, performance optimization, and infrastructure projects while helping ensure highly available and secure business-critical environments.</p><p><br></p><p>What You'll Do</p><ul><li>Administer and support Linux and Windows server environments, including installation, configuration, patching, upgrades, troubleshooting, and performance tuning.</li><li>Manage core infrastructure services such as Active Directory, Group Policy, IIS, DNS, and related technologies.</li><li>Support business applications and the underlying infrastructure required to keep them running efficiently.</li><li>Maintain and troubleshoot virtualized environments, including VMware and similar platforms.</li><li>Assist with cloud-based infrastructure across Azure, AWS, and other public cloud environments.</li><li>Develop and maintain automation using tools such as PowerShell, Bash, Python, Ansible, or Terraform.</li><li>Monitor system health, performance, and capacity while proactively identifying opportunities for improvement.</li><li>Partner with security teams to implement system hardening, vulnerability remediation, access controls, and patch management best practices.</li><li>Support backup, recovery, and disaster recovery processes for critical systems and applications.</li><li>Troubleshoot networking and application connectivity issues involving DNS, DHCP, VPNs, firewalls, and TCP/IP.</li><li>Participate in infrastructure upgrades, migrations, onboarding efforts, and technology modernization initiatives.</li><li>Create and maintain technical documentation, procedures, and operational runbooks.</li><li>Serve as a senior technical resource during incidents, projects, and customer-facing engagements.</li><li>Participate in an on-call rotation supporting production systems as needed.</li></ul><p><br></p>
- 2026-10-20T00:00:00Z
- Mequon, WI
- onsite
- Permanent / Full Time
- 110000 - 140000 USD / Yearly
- <p>Robert Half is currently looking for a SQL DBA to support and optimize a highly available hosted infrastructure environment for our client in the Milwaukee area. This person will be responsible for the administration, performance, security, and reliability of Microsoft SQL Server platforms that support both internal business systems and customer-facing applications.</p><p><br></p><p>This is a hands-on role for someone who enjoys troubleshooting, automation, performance tuning, and ensuring critical database environments remain stable and secure.</p><p><br></p><p><strong>This position is open to remote employees located within Wisconsin. Candidates outside of Wisconsin are not eligible for remote consideration.</strong></p><p><br></p><p>What You'll Be Doing</p><ul><li>Administer SQL Server environments across production, development, and test systems</li><li>Install, configure, upgrade, and maintain SQL Server instances</li><li>Monitor database performance and proactively identify opportunities for optimization</li><li>Perform routine maintenance including indexing, integrity checks, and capacity planning</li><li>Design and maintain backup, recovery, and disaster recovery processes</li><li>Support high-availability and business continuity initiatives</li><li>Manage database security, permissions, and access controls</li><li>Troubleshoot database, application, and infrastructure-related issues</li><li>Develop automation and operational efficiencies using PowerShell, T-SQL, or similar scripting tools</li><li>Partner with infrastructure and application teams to support business-critical systems</li><li>Create and maintain technical documentation, standards, and operational procedures</li><li>Participate in an on-call rotation supporting production environments</li></ul><p><br></p>
- 2026-10-20T00:00:00Z
- Mayville, WI
- onsite
- Temporary to Hire
- 66.5 - 77 USD / Hourly
- We are looking for an ERP/CRM Administrator to join a collaborative team in Wisconsin on a contract basis with the potential for a permanent position. This position will oversee the current enterprise application landscape, provide hands-on support to business users, and contribute to system improvements across core operational areas. The role also plays an important part in modernization efforts by supporting migration-related activities, strengthening system reliability, and helping the organization prepare for future platform capabilities.<br><br>Responsibilities:<br>• Oversee daily administration of the ERP environment, including system upkeep, monitoring, updates, and overall operational stability.<br>• Provide frontline support to users in areas such as order management, production, inventory control, and reporting, resolving issues in a timely manner.<br>• Partner with business teams to identify process gaps, recommend practical system enhancements, and improve how the platform supports operations.<br>• Administer user accounts, roles, and security permissions to ensure appropriate access and compliance with internal controls.<br>• Support backup procedures, recovery readiness, patch deployment, and ongoing health checks across the application environment.<br>• Contribute to migration initiatives by assisting with planning, testing, implementation support, and stabilization activities for the future-state platform.<br>• Work with stakeholders and external partners to document integrations, evaluate system dependencies, and support architecture discussions tied to modernization efforts.<br>• Assist with long-term data retention and archiving efforts, including validation of archival approaches, cleanup planning, and optimization of historical data management.<br>• Provide infrastructure-related support such as environment coordination, server administration activities, and security hardening efforts where needed.
- 2026-11-03T00:00:00Z