> Markdown version of [/jobs/ext/2581164-it-systems-administrator](https://www.wearedevelopers.com/jobs/ext/2581164-it-systems-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# IT Systems Administrator

- **Company:** LEO Inc
- **Location:** Pewaukee, WI, United States
- **Experience:** Experienced
- **Salary:** $85,000.0 - $95,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Antivirus Softwares, Cloud Computing, Disaster Recovery, Networking Hardware, Virtual Private Networks (VPN), Network Architecture, Network Service, Backup and Restore, Software Licensing, Office365, System Availability, Firewalls (Computer Science), Information Technology, Patch Management, Network Server
- **Published:** August 10, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=d87e002ac48724fd

## About the Role

* 3+ years of experience in IT support or systems administration role.
 * Strong experience supporting Windows 11, Microsoft 365, and iPhone environments.
 * Hands-on experience with Active Directory, Microsoft 365 administration, Exchange, and Mobile Device Management (MDM).
 * Strong troubleshooting skills across hardware, software, networking, and operating systems.
 * Working knowledge of network infrastructure, cloud technologies, and cybersecurity principles, including firewalls, antivirus, VPNs, and endpoint security.
 * Excellent communication and customer service skills with the ability to explain technical concepts to non-technical users.
 * Strong organizational, problem-solving, and time management skills with the ability to manage multiple priorities.
 * Ability to work independently while collaborating effectively with IT team members and using service desk tools.
 * Relevant certifications (CompTIA A+, Network+, Microsoft 365 Fundamentals, or similar) are preferred.

## Description

* Provide first-line technical support for hardware, software, network, and mobile device issues affecting Windows PCs, iPhones, and other company technology.
 * Configure, deploy, and maintain Windows workstations, iPhones, servers, printers, network equipment, and peripheral devices.
 * Administer Microsoft 365, Active Directory, email systems, mobile device management (MDM), and user access across company platforms.
 * Troubleshoot and resolve issues related to Microsoft 365 applications, Windows operating systems, networking, and endpoint devices.
 * Support user onboarding and offboarding by provisioning and deprovisioning accounts, devices, email, and system access.
 * Monitor, maintain, and optimize IT infrastructure, including network performance, servers, endpoint protection, and system availability.
 * Implement and enforce cybersecurity best practices, including antivirus, firewalls, security policies, access controls, software updates, and patch management.
 * Administer system backups, disaster recovery processes, and restore procedures to ensure business continuity.
 * Maintain IT asset inventory, software licensing, technical documentation, and knowledge base articles.
 * Coordinate with third-party vendors to support hardware, software, telecommunications, and network services.
 * Assist with IT projects, technology deployments, system upgrades, and process improvements.
 * Develop and maintain IT policies, procedures, and best practices to support compliance, security, and operational efficiency.


## Related Videos

- [Demystifying application networking in the cloud](https://www.wearedevelopers.com/videos/675-demystifying-application-networking-in-the-cloud)
- [Kubernetes Security - Challenge and Opportunity](https://www.wearedevelopers.com/videos/412-kubernetes-security-challenge-and-opportunity)
- [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure)
- [Your organization as a Graph](https://www.wearedevelopers.com/videos/2051-your-organization-as-a-graph)
- [Fireside Chat with Lea](https://www.wearedevelopers.com/videos/551-fireside-chat-with-lea)
- [tRPC: API schemas are pure overhead](https://www.wearedevelopers.com/videos/796-trpc-api-schemas-are-pure-overhead)

## Related Articles

- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)
- [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers)