Systems Administrator IT/OT, VMware & Security

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

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.