Senior System Administrator

Overview Join to apply for the Senior System Administrator role at LONGYEAR . Longyear is excited to announce a new opening in the company— Senior System Administrator based in Marquette, Michigan . In this role, you’ll be the go-to expert for our IT environment—keeping our identity systems, networks, servers, and applications secure, healthy, and reliable. You’ll work with a diverse mix of technologies, from on-premises servers and VMware to cloud-based business applications like Microsoft Entra ID (Azure AD) and Microsoft 365, all while helping us stay connected across multiple sites and subsidiaries. If you enjoy solving complex problems, keeping systems running smoothly, and making technology work better for people, this is the perfect opportunity to join the Longyear team.

WHAT WE OFFER.

Extremely competitive salary based on your knowledge and experience. Opportunity for annual performance-based bonus. Medical, dental, vision, life and disability insurance. Employee Assistance and Employee Wellness Programs. 401(k) retirement plan with 4% employer match. Paid vacation, paid sick time and paid holidays; paid parental leave.

WHAT YOU WILL DO.

Manage our hybrid identity: Active Directory, Entra ID, Conditional Access, MFA, and SSO. Keep endpoints secure and running smoothly with imaging, patching, software deployment, and remote support. Maintain Windows Servers, backups, disaster recovery jobs, and VMware infrastructure. Support multi-site networks—including firewalls, VPNs, VLANs, and ISP/vendor coordination. Oversee applications and cloud services, including Microsoft 365, SharePoint, Teams, and more. Champion security best practices: MFA, patch compliance, vulnerability remediation, and monitoring. Collaborate with colleagues, vendors, and end users to troubleshoot and resolve issues with patience and professionalism.

WHAT WE ARE LOOKING FOR.

3 or more years of systems administration experience, or experience in a similar role supporting hybrid work environments preferred. Associates degree or technical certificate, or an equivalent combination of education and experience. Bachelor’s degree in a technical discipline preferred. Hands-on knowledge of Active Directory, Entra ID/Azure AD, DNS/DHCP, GPO, and remote endpoint management tools. Familiarity with VMware, backup/DR solutions, and network fundamentals (VPN, VLANs, Wi-Fi, firewalls). PowerShell scripting and automation experience. Strong communication skills—you can explain technical details clearly and work well with non-technical teammates. A proactive problem solver who pays attention to detail and follows through. Valid driver’s license and ability to travel (as needed) to manufacturing operation sites (up to 20%). READY TO MAKE YOUR MARK? Apply online at longyear.hirescore.com #J-18808-Ljbffr LONGYEAR