System Administrator

Plexus Corp.; Neenah (WI); On-site; USD 45,000 - 48,000; Full time

Job summary

Plexus Corp. is seeking a Systems Administrator to maintain enterprise Windows Server infrastructure, Active Directory, and virtualization environments in a manufacturing setting. You will enforce endpoint security, support end users, and collaborate with IT teams to implement secure technology solutions.

The role offers hands-on exposure to automation, cybersecurity initiatives, MDM administration, and new OT deployments, aligning IT with advanced manufacturing needs.

Qualifications

• 2+ years of Systems Administration or IT infrastructure experience
• Strong Active Directory administration experience (Users, Groups, GPOs)
• VMware or other virtualization platform experience
• Knowledge of Windows endpoint operating systems
• Understanding of endpoint security hardening and security best practices
• Experience with incident management, troubleshooting, and issue resolution
• Basic networking knowledge including network topology, wireless systems, and firewalls
• Experience with backup/restore processes and system maintenance
• Ability to support vulnerability management and security compliance initiatives
• Strong customer service and end-user support skills

Responsibilities

• Install, configure, and maintain Windows Server infrastructure in VMware environments
• Manage Active Directory users, groups, and Group Policy Objects
• Implement and enforce endpoint security policies and configurations
• Install, configure, and remove hardware and software solutions
• Provide technical support and troubleshooting for internal users
• Monitor application performance and perform application maintenance
• Execute backup, restore, and system maintenance procedures
• Automate routine administrative functions using PowerShell and standard tools
• Support endpoint vulnerability management and resolve security events
• Administer MDM platforms including Google and SOTI
• Support deployment and integration of new Operational Technologies and manufacturing equipment
• Assess, document, and implement technology changes
• Investigate and resolve escalated incidents while ensuring proper documentation
• Analyze incident trends and contribute to continuous service improvement
• Collaborate with IT teams, vendors, and business partners to deliver secure technology solutions

Skills

Active Directory

VMware

Windows endpoint OS

Endpoint security hardening

Incident management

Networking basics

Backup/restore

Vulnerability management

PowerShell scripting

End-user support

Education

Bachelor's Degree in IT/CS

Tools

PowerShell

MDM platforms (Google, SOTI)

VMware

Job description

Location: Chicago IL, Neenah WI, Boise ID

Interview Process: 1 Round

Openings: 3

12 Month W2 contract with options to extend or convert to FTE

Compensation: $33-35 Hour

Must-Haves:

• 2+ years of Systems Administration or related IT infrastructure experience
• Strong Active Directory administration experience (Users, Groups, GPOs)
• VMware or other virtualization platform experience
• Knowledge of Windows endpoint operating systems
• Understanding of endpoint security hardening and security best practices
• Experience with incident management, troubleshooting, and issue resolution
• Basic networking knowledge including network topology, wireless systems, and firewalls
• Experience with backup/restore processes and system maintenance
• Ability to support vulnerability management and security compliance initiatives
• Strong customer service and end-user support skills

Plusses:

• Bachelor's Degree in Information Technology, Computer Science, or related field
• PowerShell scripting and automation experience
• Experience with Mobile Device Management (MDM) platforms such as Google or SOTI
• Exposure to Operational Technology (OT) environments
• Experience supporting manufacturing technologies and collaborative robotics
• Process improvement and innovation experience
• Knowledge of IT/OT convergence principles

Day-to-Day:

• Install, configure, and maintain Windows Server infrastructure in VMware environments
• Manage Active Directory users, groups, and Group Policy Objects
• Implement and enforce endpoint security policies and configurations
• Install, configure, and remove hardware and software solutions
• Provide technical support and troubleshooting for internal users
• Monitor application performance and perform application maintenance
• Execute backup, restore, and system maintenance proceduresAutomate routine administrative functions using PowerShell and standard tools
• Support endpoint vulnerability management and resolve security events
• Administer MDM platforms including Google and SOTI
• Support deployment and integration of new Operational Technologies and manufacturing equipment
• Assess, document, and implement technology changes
• Investigate and resolve escalated incidents while ensuring proper documentation
• Analyze incident trends and contribute to continuous service improvement
• Collaborate with IT teams, vendors, and business partners to deliver secure technology solutions

Job Description:

This candidate will be responsible for maintaining and supporting enterprise Windows Server infrastructure, Active Directory, virtualization environments, endpoint security, and user support operations. The ideal candidate will work closely with internal stakeholders to ensure reliable, secure, and sustainable technology solutions while supporting both traditional IT systems and modern operational technologies within a manufacturing environment. This role offers exposure to automation, cybersecurity initiatives, MDM administration, infrastructure management, and innovative manufacturing technologies, making it an excellent opportunity for a systems professional looking to expand their technical expertise and business impact.