System Administrator

Technical Center, 6715 South Sprinkle Rd, Portage, Michigan, United States of America

Posted Wednesday, August 19, 2026 at 4:00 AM

Summit Polymers is a leading, global supplier of automotive interior systems including consoles, door panels, and instrument panels. With over 50 years serving the industry, we deliver engineering and product excellence to our customers, on time, in budget, with the latest innovations.

A career with Summit Polymers means working with smart people in a culture that thrives on challenging, meaningful work. At Summit, we look for growth potential with every hire. We don't just fill seats, we set people on career paths. We're always on the lookout for smart people who are committed to continuous improvement, customer service and quality.

JOB TITLE: Systems Administrator

FLSA STATUS: Exempt

REPORTS TO: Director, IT

The Systems Administrator is responsible for securing, administering, and continuously improving the company's infrastructure and Microsoft M365 environment across corporate offices and 12 manufacturing plants in the United States, Mexico, and Vietnam. This position owns day-to-day cyber security administration, identity and access controls, M365 tenant governance, endpoint management, and the full lifecycle of Microsoft and other critical system updates. The role works closely with plant leadership, IT team members, vendors, and business users to protect company systems, reduce operational risk, and keep technology platforms reliable, current, and aligned with business needs.

• Own administration, security, governance, and lifecycle management for all Microsoft M365 environments, including Entra , Exchange Online, SharePoint, One Drive, Teams, Intune, Defender, Purview, licensing, domains, and connected services.
• Administer and strengthen cyber security controls including multi-factor authentication, conditional access, privileged access, endpoint protection, vulnerability management, email security, data protection, and user access reviews.
• Own, update, and track all cyber security KPI's and executive reporting. Act as the lead for all information security audits and certifications (TISAX, T.R.A.C.K., etc).
• Develop, document, and execute patching standards, maintenance windows, testing procedures, rollback plans, and reporting for corporate and plant environments.
• Monitor security alerts, system health, update compliance, and vulnerability exposure; investigate issues and coordinate remediation with internal teams and external partners.
• Administer identity services including Active Directory, Entra , group policy, security groups, role assignments, device registration, and account lifecycle processes.
• Manage endpoint configuration and compliance using tools such as Intune, Microsoft Defender, Windows Update for Business, Autopatch, Configuration Manager, or equivalent platforms.
• Support and secure Windows servers, virtual infrastructure, storage, backups, network services, and plant systems that rely on Microsoft technologies.
• Partner with plant IT and operations teams to schedule updates and security changes in a way that protects production uptime while reducing technology risk.
• Implement and maintain M365 security features such as anti-phishing policies, safe links and attachments, retention, DLP, audit logging, eDiscovery support, and secure collaboration settings.
• Create and maintain technical documentation, standards, inventories, diagrams, change records, and operational procedures for systems, M365, patching, and security administration.
• Participate in incident response, root cause analysis, disaster recovery exercises, and business continuity planning for infrastructure and M365 services.
• Coordinate with vendors and service providers to resolve escalated technical issues, validate recommended updates, and ensure support agreements meet company needs.
• Provide technical support and training to IT team members and end users on secure system use, M365 functionality, and update-related changes.
• Continuously evaluate new Microsoft features, security recommendations, update channels, and automation opportunities that improve reliability, visibility, and cyber security posture.

A successful candidate will possess five plus years of experience. Demonstrated collaboration with teams and individuals.

• Strong working knowledge of Microsoft M365…