> Markdown version of [/jobs/ext/4472270-it-system-administrator](https://www.wearedevelopers.com/jobs/ext/4472270-it-system-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 System Administrator - **Company:** American 3b Scientific, L.P. - **Location:** Tucker, GA, United States - **Experience:** Experienced - **Salary:** $75,000.0 - $85,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Wireless LAN, Active Directory, Systems Engineering, Microsoft Online Services, Information Systems, Microsoft Management Console, Data Centers, VMware ESX Servers, Issue Tracking Systems, Local Area Networks, Windows Servers, Performance Tuning, Server Administration, Systems Architecture, Systems Integration, Virtualization Technology, VMware Virtualization, Wireless Networks, Wi-Fi Technology, OTRS, Software Troubleshooting, Reliability of Systems, Information Technology, Palo Alto Networks, Hardware Infrastructure - **Published:** October 22, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=fff4975ece7a8e1a ## About the Role * Proficiency in Microsoft Windows server operating systems (2012R2 to 2022), Active Directory, and Microsoft 365. * Experience with Aruba/Aruba Central for switches and WLAN, Palo Alto firewalls, WAN, Dell server hardware, and VMware virtualization. * Familiarity with Windows 10 and 11 client operating systems in corporate networks. * Essential: hands-on system administration, server administration, software administration, software troubleshooting, system troubleshooting, and technical troubleshooting support. * Essential: knowledge of IT infrastructure, systems engineering, system architecture, operating systems, virtualization, and computer management. * A computer science background is useful; apply scripting and performance-tuning skills to improve system reliability and support. Soft Skills: * Strong analytical skills with a high level of service and customer orientation. * Willingness to engage in project-related topics outside of day-to-day business. * Ability to work independently with a hands-on mentality. * Excellent communication skills. Education and Experience: * Bachelor's degree in Information Systems or a related field required. * Completed training as an IT specialist in system integration or equivalent qualification in the IT sector. * Minimum of 2 years of professional experience as a system administrator in data center operation. * Experience in user support in a medium-sized company. ## Description Infrastructure Support: * Operate and maintain Windows Server environments (2012R2 to 2022) and Active Directory. * Manage Microsoft 365 services. * Oversee LAN and WIFI networks. * Administer virtualization through VMware ESX. * Comcast Business VoiceEdge phone system User Support: * Provide user support for American locations, ensuring timely and effective issue resolution. * Handle problem and incident management via the ticket system (OTRS). Documentation and Process Management: * Create and maintain operational documentation and process descriptions. * Support the team with administrative tasks and projects