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# IT Systems Administrator

- **Company:** Seyer Industries Inc.
- **Location:** St. Peters, MO, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Apple IOS, Apple Mac Systems, Microsoft Azure, Software Documentation, CompTIA Security+, Dynamic Host Configuration Protocol, Domain Name System (DNS), Monitoring of Systems, Virtual Private Networks (VPN), Windows Servers, Networking Basics, Network Segmentation, Windows PowerShell, Azure Active Directory, Cloud Services, Microsoft SharePoint, TCP/IP, Technical Data Management Systems, Virtual Local Area Networks, VMware VSphere, Wi-Fi Technology, Firewalls (Computer Science), Microsoft InTune, Information Technology, Epicor ERP, Fortinet, Veeam, Vmware
- **Published:** October 12, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=320cad35d1746c38

## About the Role

* 3+ years of hands-on systems administration in a Windows Server / Active Directory environment.
 * Working proficiency with Microsoft 365 administration (Exchange Online, SharePoint, Teams, Intune) and Microsoft Entra ID, including hybrid identity and Conditional Access.
 * Solid networking fundamentals (TCP/IP, DNS, DHCP, VLANs, VPN, firewalls, Wi-Fi).
 * Experience with VMware vSphere virtualization and Veeam BackupReplication (backup jobs, restores, replication, and recovery testing).
 * Experience supporting Windows and Apple (macOS/iOS) devices.
 * PowerShell scripting for administration and automation.
 * Ability to write clear technical documentation and follow formal change control.
 * Strong organizational skills; able to prioritize and manage several tasks or projects at once.
 * Ability to learn on the job, research effectively, and handle a diverse set of users and issues with positivity.
 * Leadership skills and the ability to lead with a positive attitude.

Educational Requirements:

Degree in Networking, Computer Science, Information Technology, or related work experience (relevant experience - field preferred - and education may be considered in lieu of a degree)., * Experience in an aerospace/defense or other regulated manufacturing environment (AS9100, ITAR).

 * Experience administering Microsoft 365 GCC High and/or Box Enterprise (FedRAMP-authorized) or other FedRAMP cloud services.
 * Familiarity with Fortinet security products, CrowdStrike Falcon, Veeam, and RMM/helpdesk platforms (e.g., NinjaOne).
 * Experience with Epicor Kinetic or other manufacturing ERP systems and with OT/CNC network segmentation.
 * Certifications such as CompTIA Security+, Network+, Server+, Microsoft Certified: Azure Administrator (AZ-104), Microsoft 365 Administrator, or VMware VCP.
 * Associate's or Bachelor's degree in Information Technology, Computer Science, or related field, or equivalent experience.

Eligibility and work requirements:

 * Must be a U.S. Person (U.S. citizen or lawful permanent resident) as required to access ITAR-controlled technical data and CUI.
 * Ability to pass a background check; ability to obtain a security clearance is a plus.
 * On-site position based in Saint Peters, MO, with occasional travel to the Cuba, MO facility.
 * Ability to lift and install server, network, and desktop equipment; occasional after-hours or weekend maintenance windows.

## Description

* Administer and maintain servers, networks, backups, phone systems, and end-user devices across both facilities.
 * Manage Microsoft 365 GCC High, Entra ID, Intune, and Box Enterprise, supporting secure access, collaboration, and applicable compliance requirements.
 * Support CNC connectivity, shop-floor technology, Harmoni machine monitoring, and ERP infrastructure to maintain production uptime.
 * Partner with IT and Operations to troubleshoot issues, coordinate system upgrades, and align technology support with production needs.
 * Maintain system documentation, follow change-management procedures, and use PowerShell automation to improve efficiency.
 * Monitor system performance and participate in incident response and rotating after-hours support.