Senior System Administrator

LONGYEAR; Marquette (MI); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Extremely competitive salary

Annual performance-based bonus

Medical, dental, vision insurance

401(k) retirement plan with employer match

Paid vacation and holidays

Life & disability insurance

Employee Assistance Program

401(k) with 4% match

Paid time off

Parental leave

Job summary

A technology company in Marquette, Michigan, seeks a Senior System Administrator to manage its IT environment. You will secure and maintain hybrid identity systems, support multi-site networks, and collaborate with teams to solve complex problems. The ideal candidate has 3+ years of systems administration experience along with hands-on knowledge of Active Directory and VMware. This role offers a competitive salary and a comprehensive benefits package.

Qualifications

• 3+ years of systems administration experience or similar role.
• Experience supporting hybrid work environments preferred.
• Valid driver’s license and ability to travel up to 20%.

Responsibilities

• Manage Active Directory, Entra ID, Conditional Access, MFA, and SSO.
• Maintain Windows Servers, backups, and VMware infrastructure.
• Collaborate with colleagues and vendors to troubleshoot issues.
• 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.

Skills

Hands-on knowledge of Active Directory

Familiarity with VMware

PowerShell scripting

Strong communication skills

Proactive problem solver

Backup / DR

PowerShell scripting

Security best practices

Remote endpoint management

Strong communication

Travel up to 20%

Education

Associates degree or technical certificate

Bachelor's degree in a technical discipline

Tools

VMware

Microsoft 365

Job description

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