System Administrator Jobs in Wisconsin
System Administrator jobs in Wisconsin concentrate in healthcare IT, manufacturing, financial services, and higher education, with demand at every level from entry-level help desk crossovers to senior infrastructure engineers. Milwaukee, Madison, and Green Bay are the primary hiring centers, home to established employers such as Advocate Aurora Health, Northwestern Mutual, and the University of Wisconsin System. The most in-demand specialties are network administration, cloud infrastructure management, and Active Directory and endpoint management. Find a role that fits below and apply directly.
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About CyberLynk
Founded in 1995, CyberLynk Network is an independently owned hosting and infrastructure provider headquartered in Franklin, Wisconsin, just outside Milwaukee. From our SOC 2 certified Milwaukee area (MKE1) and Phoenix (PHX1) datacenters, we deliver cloud infrastructure, colocation, dedicated and web application hosting, and hosted voice and messaging services to MSPs, SaaS platforms, telecom carriers, and businesses nationwide. With three decades of experience, we pride ourselves on engineer-led support and a team that still answers the phone when it matters.
About the Role
CyberLynk is looking for a Linux System Administrator to help run and support the Linux infrastructure behind our hosting, cloud, and virtualization services. You will help administer our shared, reseller, VPS, and dedicated servers, keep core infrastructure such as DNS resolvers and authoritative DNS servers healthy and secure, and act as a technical support resource for our hosting customers. You will also occasionally support our VoIP systems and hosted Macs as needed. You will work alongside a senior director for an extended transition period, giving you a long runway to learn the environment before taking full ownership of your piece of it.
What You Will Do
- Administer and maintain shared, reseller, VPS, and dedicated cPanel/WHM servers, including provisioning, configuration, patching, and upgrades
- Provide technical support for hosting customers, resolving issues across DNS, mail delivery and reputation, SSL/TLS, and web application performance.
- Manage and maintain core Linux infrastructure, including DNS resolvers and authoritative DNS servers (BIND/PowerDNS)
- Monitor server health, respond to alerts, and resolve performance, availability, and capacity issues
- Harden and secure servers using CloudLinux, Imunify360, and KernelCare, and respond to abuse and security incidents such as malware and compromised accounts
- Manage backups and disaster recovery processes, and perform data restorations for customers
- Administer KVM-based virtualization hosts supporting VPS customers
- Perform server migrations and account transfers between servers
- Document systems, procedures, and troubleshooting steps
- Help evaluate, test, and pilot new and adjacent services as customer needs evolve, from proof of concept through production rollout.
- Participate in a shared on-call rotation for after-hours coverage approximately every 8-12 weeks
Required Qualifications
- 1-3+ years of professional Linux system administration experience with Debian-family distributions (Debian, Ubuntu), and familiarity with RHEL-family distributions (AlmaLinux, Rocky Linux, CentOS).
- Working knowledge of DNS concepts and experience managing DNS servers (BIND, PowerDNS, or similar)
- Experience with the standard web hosting stack: Apache/LiteSpeed/NGINX, PHP, MySQL/MariaDB, Exim or similar MTAs
- Solid understanding of TCP/IP networking, firewalls, and SSL/TLS
- Strong customer service skills and clear written and verbal communication; comfortable working directly with customers
- Ability to work onsite in the Milwaukee, WI metro area
Preferred Qualifications
- Experience administering servers in a web hosting environment
- Experience with CloudLinux, Imunify360, and KernelCare
- Experience with KVM or other virtualization platforms
- Shell scripting (Bash) or basic Python for task automation
- Experience in a web hosting, ISP, or MSP environment
- Red Hat certification (RHCSA or RHCE), cPanel University certifications, or comparable credentials (preferred, not required)
Schedule and On-Call
This is a full-time, first-shift position. Scheduled maintenance and occasional after-hours work are part of the job, and we offer flex time to balance it. The position also participates in a shared on-call rotation with other team members, covering one week approximately every 8 to 12 weeks, to handle after-hours coverage for critical infrastructure and customer emergencies.
Compensation and Benefits
Salary range: $65,000 to $85,000 per year, based on experience.
CyberLynk offers a competitive benefits package including company-paid health insurance, dental, and vision insurance, a 401(k) retirement plan with generous company match, long and short term disability insurance, flex time, paid holidays, and paid time off.
Equal Opportunity
CyberLynk is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other characteristic protected by law.
Pay: $65,000.00 - $85,000.00 per year
Benefits:
- 401(k)
- 401(k) matching
- Dental insurance
- Flexible spending account
- Health insurance
- Paid time off
Application Question(s):
- Describe your hands-on experience administering Linux servers in a production environment. This could include hosting/cloud platforms (shared, reseller, VPS, dedicated), enterprise IT, or other server environments; please specify the type of environment and your role in managing it.
- Walk us through how you would set up SSH key-based authentication for a new Linux server and then disable password logins entirely. What commands or files are involved?
- Describe your day-to-day approach to managing Linux servers. Do you primarily work from the command line, or do you rely on a control panel like Webmin, cPanel, or Plesk? Please be specific.
- Do you have any experience with VoIP systems and/or Mac OS administration? If so, please briefly describe your level of exposure.
Work Location: In person
About CyberLynk
Founded in 1995, CyberLynk Network is an independently owned hosting and infrastructure provider headquartered in Franklin, Wisconsin, just outside Milwaukee. From our SOC 2 certified Milwaukee area (MKE1) and Phoenix (PHX1) datacenters, we deliver cloud infrastructure, colocation, dedicated and web application hosting, and hosted voice and messaging services to MSPs, SaaS platforms, telecom carriers, and businesses nationwide. With three decades of experience, we pride ourselves on engineer-led support and a team that still answers the phone when it matters.
About the Role
CyberLynk is looking for a Linux System Administrator to help run and support the Linux infrastructure behind our hosting, cloud, and virtualization services. You will help administer our shared, reseller, VPS, and dedicated servers, keep core infrastructure such as DNS resolvers and authoritative DNS servers healthy and secure, and act as a technical support resource for our hosting customers. You will also occasionally support our VoIP systems and hosted Macs as needed. You will work alongside a senior director for an extended transition period, giving you a long runway to learn the environment before taking full ownership of your piece of it.
What You Will Do
- Administer and maintain shared, reseller, VPS, and dedicated cPanel/WHM servers, including provisioning, configuration, patching, and upgrades
- Provide technical support for hosting customers, resolving issues across DNS, mail delivery and reputation, SSL/TLS, and web application performance.
- Manage and maintain core Linux infrastructure, including DNS resolvers and authoritative DNS servers (BIND/PowerDNS)
- Monitor server health, respond to alerts, and resolve performance, availability, and capacity issues
- Harden and secure servers using CloudLinux, Imunify360, and KernelCare, and respond to abuse and security incidents such as malware and compromised accounts
- Manage backups and disaster recovery processes, and perform data restorations for customers
- Administer KVM-based virtualization hosts supporting VPS customers
- Perform server migrations and account transfers between servers
- Document systems, procedures, and troubleshooting steps
- Help evaluate, test, and pilot new and adjacent services as customer needs evolve, from proof of concept through production rollout.
- Participate in a shared on-call rotation for after-hours coverage approximately every 8-12 weeks
Required Qualifications
- 1-3+ years of professional Linux system administration experience with Debian-family distributions (Debian, Ubuntu), and familiarity with RHEL-family distributions (AlmaLinux, Rocky Linux, CentOS).
- Working knowledge of DNS concepts and experience managing DNS servers (BIND, PowerDNS, or similar)
- Experience with the standard web hosting stack: Apache/LiteSpeed/NGINX, PHP, MySQL/MariaDB, Exim or similar MTAs
- Solid understanding of TCP/IP networking, firewalls, and SSL/TLS
- Strong customer service skills and clear written and verbal communication; comfortable working directly with customers
- Ability to work onsite in the Milwaukee, WI metro area
Preferred Qualifications
- Experience administering servers in a web hosting environment
- Experience with CloudLinux, Imunify360, and KernelCare
- Experience with KVM or other virtualization platforms
- Shell scripting (Bash) or basic Python for task automation
- Experience in a web hosting, ISP, or MSP environment
- Red Hat certification (RHCSA or RHCE), cPanel University certifications, or comparable credentials (preferred, not required)
Schedule and On-Call
This is a full-time, first-shift position. Scheduled maintenance and occasional after-hours work are part of the job, and we offer flex time to balance it. The position also participates in a shared on-call rotation with other team members, covering one week approximately every 8 to 12 weeks, to handle after-hours coverage for critical infrastructure and customer emergencies.
Compensation and Benefits
Salary range: $65,000 to $85,000 per year, based on experience.
CyberLynk offers a competitive benefits package including company-paid health insurance, dental, and vision insurance, a 401(k) retirement plan with generous company match, long and short term disability insurance, flex time, paid holidays, and paid time off.
Equal Opportunity
CyberLynk is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other characteristic protected by law.
Pay: $65,000.00 - $85,000.00 per year
Benefits:
- 401(k)
- 401(k) matching
- Dental insurance
- Flexible spending account
- Health insurance
- Paid time off
Application Question(s):
- Describe your hands-on experience administering Linux servers in a production environment. This could include hosting/cloud platforms (shared, reseller, VPS, dedicated), enterprise IT, or other server environments; please specify the type of environment and your role in managing it.
- Walk us through how you would set up SSH key-based authentication for a new Linux server and then disable password logins entirely. What commands or files are involved?
- Describe your day-to-day approach to managing Linux servers. Do you primarily work from the command line, or do you rely on a control panel like Webmin, cPanel, or Plesk? Please be specific.
- Do you have any experience with VoIP systems and/or Mac OS administration? If so, please briefly describe your level of exposure.
Work Location: In person
See All 7 System Administrator Jobs in Wisconsin
Find roles in Wisconsin that match your experience and apply in just a few clicks.
Find System Administrator JobsSystem Administrator Jobs by City in Wisconsin
Where Wisconsin roles are concentrated, by current openings.
System Administrator Job Market in Wisconsin
A snapshot from current Wisconsin openings, updated as new roles post.
Who's Hiring
What Wisconsin Employers Look For
The qualifications that appear most often in system administrator jobs across Wisconsin.
- CompTIA A+, Network+, or Security+ certification strongly preferred by Wisconsin employers
- Bachelor's degree in information technology, computer science, or a related field
- Hands-on experience administering Windows Server and Active Directory environments
- Proficiency with virtualization platforms such as VMware or Hyper-V
- Familiarity with cloud platforms including Microsoft Azure or AWS
- Strong troubleshooting skills for network, server, and end-user systems
System Administrator Jobs in Wisconsin: Frequently Asked Questions
How do you become a system administrator in Wisconsin?
Wisconsin does not require a state-issued license for system administrators, so the path runs through education and vendor or industry certifications. Most Wisconsin employers expect at minimum an associate or bachelor's degree in information technology or computer science, combined with credentials such as CompTIA Network+, Microsoft Certified: Azure Administrator, or equivalent. Many candidates enter through help desk or IT support roles at Wisconsin's large healthcare systems, universities, or manufacturers before advancing to full administration responsibilities.
How much do system administrators make in Wisconsin?
System administrators in Wisconsin earn a median of about $83,650 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $58,950 for the lowest 10% to over $128,580 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire system administrators in Wisconsin?
Employers hiring system administrators in Wisconsin right now include Menards, Latitude, and BAE Systems USA, based on current listings on Migrate Mate as of September 2026. Wisconsin's dense concentration of healthcare networks, insurance firms, and mid-size manufacturers means steady, recurring demand rather than cyclical hiring spikes.
Which Wisconsin cities have the most system administrator jobs?
Madison, Beloit, and Verona have the most system administrator openings in Wisconsin. Milwaukee leads because of its headquarters-level presence of financial services firms, health systems, and regional manufacturers, while Madison's market is driven by state government agencies, the University of Wisconsin-Madison, and a growing technology sector, and Green Bay's openings reflect its strong manufacturing and healthcare employer base.
Are there remote system administrator jobs in Wisconsin?
Yes, though they're more selective than fully desk-based roles, since system administrators frequently need physical access to servers, network hardware, and on-site infrastructure. About 25% of system administrator openings tied to Wisconsin are remote or hybrid as of September 2026, with remote work most common for cloud-focused or monitoring-heavy positions where hands-on hardware intervention is minimal.
How can I get hired as a system administrator in Wisconsin with little or no experience?
The most realistic entry path is through an IT support or help desk role at one of Wisconsin's large healthcare networks, university systems, or manufacturers, which routinely hire candidates with CompTIA A+ or Network+ and promote internally. The University of Wisconsin System and Advocate Aurora Health run structured IT associate programs that onboard candidates without deep administrative backgrounds. Building a home lab, earning a cloud associate credential, and targeting IT technician or desktop support postings at Wisconsin-based organizations bridges the gap toward a full system administrator title.
Where can I find and apply to system administrator jobs in Wisconsin?
You can find and apply to system administrator jobs in Wisconsin on Migrate Mate, which lists current openings from employers actively hiring in the state. Search the listings, find roles that match your experience and preferred location, and apply directly to the ones that fit.
See All 7 System Administrator Jobs in Wisconsin
Find roles in Wisconsin that match your experience and apply in just a few clicks.
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