System Administrator

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

Job summary

Plexus Corp. in Chicago IL is seeking a Systems Administrator for a 12-month W2 contract to maintain Windows Server infrastructure in VMware environments and manage Active Directory.

The role emphasizes endpoint security, incident management, and end-user support, with opportunities to work on IT/OT convergence in a manufacturing context. Location includes Chicago and nearby sites; contract may extend or convert to full-time.

Qualifications

• 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.

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 Administration

Endpoint Security

Incident Management

Networking Basics

PowerShell

VMware

User Support

Education

Bachelor's Degree in IT/CS

Tools

VMware

PowerShell

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 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

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.