IT Systems Administrator

Gil-Mar Manufacturing Company•Livonia, MI

18h•Onsite

About The Position

The IT Systems Administrator ensures reliable, secure, and compliant technology operations across production, quality, engineering, and corporate functions. The role focuses on maximizing uptime for plant-floor systems, strengthening cybersecurity and audit readiness (CMMC and TISAX), and reducing reliance on the MSP.

Requirements

Bachelor’s degree or equivalent experience.
3–5 years of systems/infrastructure administration.
Experience with supporting AS400
Manufacturing IT experience preferred.
Proficiency in Microsoft ecosystem, virtualization, networking, and OT integrations.
Strong troubleshooting across office IT and plant-floor systems.
Cybersecurity and compliance understanding (CMMC, TISAX).
Communication, documentation, customer service proficiency.

Nice To Haves

Certifications a plus (Microsoft, VMware, Security+, ITIL Foundation).

Responsibilities

Support servers, storage, virtualization, networking, and wireless systems.
Maintain uptime and performance for CNC machines, PLCs, HMIs, and plant-floor applications.
Support MES/ERP/production scheduling systems integration.
Implement OT/IT network segmentation and secure access.
Manage VMware, Microsoft 365, Azure AD/Entra ID, Active Directory, Intune, and GPO.
Own Tier 2/3 incidents now escalated to MSP; transition repeatable tasks in-house.
Lead infrastructure projects end-to-end.
Maintain SOPs, runbooks, images, and system documentation.
Operate patching and vulnerability management programs.
Assist with CMMC/TISAX controls: hardening, access reviews, log checks, backups.
Prioritize tickets impacting production and support after-hours maintenance.
Knowledgeable for routine system tasks such as monitoring Epico CMS jobs on our IBM iSeries (AS400)